(window.webpackJsonp=window.webpackJsonp||[]).push([[183],{512:function(s,t,a){"use strict";a.r(t);var n=a(3),e=Object(n.a)({},(function(){var s=this,t=s._self._c;return t("ContentSlotsDistributor",{attrs:{"slot-key":s.$parent.slotKey}},[t("h1",{attrs:{id:"扩展接口"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#扩展接口"}},[s._v("#")]),s._v(" 扩展接口")]),s._v(" "),t("h2",{attrs:{id:"需求分析"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#需求分析"}},[s._v("#")]),s._v(" 需求分析")]),s._v(" "),t("p",[s._v("为了用户更加方便地使用 axios 发送请求，我们可以为所有支持请求方法扩展一些接口：")]),s._v(" "),t("ul",[t("li",[t("p",[t("code",[s._v("axios.request(config)")])])]),s._v(" "),t("li",[t("p",[t("code",[s._v("axios.get(url[, config])")])])]),s._v(" "),t("li",[t("p",[t("code",[s._v("axios.delete(url[, config])")])])]),s._v(" "),t("li",[t("p",[t("code",[s._v("axios.head(url[, config])")])])]),s._v(" "),t("li",[t("p",[t("code",[s._v("axios.options(url[, config])")])])]),s._v(" "),t("li",[t("p",[t("code",[s._v("axios.post(url[, data[, config]])")])])]),s._v(" "),t("li",[t("p",[t("code",[s._v("axios.put(url[, data[, config]])")])])]),s._v(" "),t("li",[t("p",[t("code",[s._v("axios.patch(url[, data[, config]])")])])])]),s._v(" "),t("p",[s._v("如果使用了这些方法，我们就不必在 "),t("code",[s._v("config")]),s._v(" 中指定 "),t("code",[s._v("url")]),s._v("、"),t("code",[s._v("method")]),s._v("、"),t("code",[s._v("data")]),s._v(" 这些属性了。")]),s._v(" "),t("p",[s._v("从需求上来看，"),t("code",[s._v("axios")]),s._v(" 不再单单是一个方法，更像是一个混合对象，本身是一个方法，又有很多方法属性，接下来我们就来实现这个混合对象。")]),s._v(" "),t("h2",{attrs:{id:"接口类型定义"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#接口类型定义"}},[s._v("#")]),s._v(" 接口类型定义")]),s._v(" "),t("p",[s._v("根据需求分析，混合对象 "),t("code",[s._v("axios")]),s._v(" 本身是一个函数，我们再实现一个包括它属性方法的类，然后把这个类的原型属性和自身属性再拷贝到 "),t("code",[s._v("axios")]),s._v(" 上。")]),s._v(" "),t("p",[s._v("我们先来给 "),t("code",[s._v("axios")]),s._v(" 混合对象定义接口：")]),s._v(" "),t("p",[t("code",[s._v("types/index.ts")]),s._v("：")]),s._v(" "),t("div",{staticClass:"language-typescript line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-typescript"}},[t("code",[t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("export")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("interface")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Axios")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("request")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise\n\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("get")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise\n\n  "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("delete")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise\n\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("head")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise\n\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("options")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise\n\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("post")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" data"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("any")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise\n\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("put")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" data"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("any")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise\n\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("patch")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" data"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("any")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise\n"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("export")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("interface")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("AxiosInstance")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("extends")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Axios")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise\n"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("export")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("interface")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("AxiosRequestConfig")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n  url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token comment"}},[s._v("// ...")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n")])]),s._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[s._v("1")]),t("br"),t("span",{staticClass:"line-number"},[s._v("2")]),t("br"),t("span",{staticClass:"line-number"},[s._v("3")]),t("br"),t("span",{staticClass:"line-number"},[s._v("4")]),t("br"),t("span",{staticClass:"line-number"},[s._v("5")]),t("br"),t("span",{staticClass:"line-number"},[s._v("6")]),t("br"),t("span",{staticClass:"line-number"},[s._v("7")]),t("br"),t("span",{staticClass:"line-number"},[s._v("8")]),t("br"),t("span",{staticClass:"line-number"},[s._v("9")]),t("br"),t("span",{staticClass:"line-number"},[s._v("10")]),t("br"),t("span",{staticClass:"line-number"},[s._v("11")]),t("br"),t("span",{staticClass:"line-number"},[s._v("12")]),t("br"),t("span",{staticClass:"line-number"},[s._v("13")]),t("br"),t("span",{staticClass:"line-number"},[s._v("14")]),t("br"),t("span",{staticClass:"line-number"},[s._v("15")]),t("br"),t("span",{staticClass:"line-number"},[s._v("16")]),t("br"),t("span",{staticClass:"line-number"},[s._v("17")]),t("br"),t("span",{staticClass:"line-number"},[s._v("18")]),t("br"),t("span",{staticClass:"line-number"},[s._v("19")]),t("br"),t("span",{staticClass:"line-number"},[s._v("20")]),t("br"),t("span",{staticClass:"line-number"},[s._v("21")]),t("br"),t("span",{staticClass:"line-number"},[s._v("22")]),t("br"),t("span",{staticClass:"line-number"},[s._v("23")]),t("br"),t("span",{staticClass:"line-number"},[s._v("24")]),t("br"),t("span",{staticClass:"line-number"},[s._v("25")]),t("br"),t("span",{staticClass:"line-number"},[s._v("26")]),t("br"),t("span",{staticClass:"line-number"},[s._v("27")]),t("br")])]),t("p",[s._v("首先定义一个 "),t("code",[s._v("Axios")]),s._v(" 类型接口，它描述了 "),t("code",[s._v("Axios")]),s._v(" 类中的公共方法，接着定义了 "),t("code",[s._v("AxiosInstance")]),s._v(" 接口继承 "),t("code",[s._v("Axios")]),s._v("，它就是一个混合类型的接口。")]),s._v(" "),t("p",[s._v("另外 "),t("code",[s._v("AxiosRequestConfig")]),s._v(" 类型接口中的 "),t("code",[s._v("url")]),s._v(" 属性变成了可选属性。")]),s._v(" "),t("h2",{attrs:{id:"创建-axios-类"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#创建-axios-类"}},[s._v("#")]),s._v(" 创建 Axios 类")]),s._v(" "),t("p",[s._v("我们创建一个 "),t("code",[s._v("Axios")]),s._v(" 类，来实现接口定义的公共方法。我们创建了一个 "),t("code",[s._v("core")]),s._v(" 目录，用来存放发送请求核心流程的代码。我们在 "),t("code",[s._v("core")]),s._v(" 目录下创建 "),t("code",[s._v("Axios.ts")]),s._v(" 文件。")]),s._v(" "),t("p",[t("code",[s._v("core/Axios.ts")])]),s._v(" "),t("div",{staticClass:"language-typescript line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-typescript"}},[t("code",[t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" AxiosPromise"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" Method "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("from")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'../types'")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" dispatchRequest "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("from")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'./dispatchRequest'")]),s._v("\n\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("export")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("default")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("class")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Axios")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("request")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("dispatchRequest")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("get")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("this")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("_requestMethodWithoutData")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'get'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" url"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n  "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("delete")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("this")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("_requestMethodWithoutData")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'delete'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" url"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("head")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("this")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("_requestMethodWithoutData")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'head'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" url"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("options")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("this")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("_requestMethodWithoutData")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'options'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" url"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("post")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" data"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("any")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("this")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("_requestMethodWithData")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'post'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" url"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" data"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("put")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" data"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("any")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("this")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("_requestMethodWithData")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'put'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" url"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" data"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("patch")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" data"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("any")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("this")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("_requestMethodWithData")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'patch'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" url"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" data"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("_requestMethodWithoutData")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("method"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" Method"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("this")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("request")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("\n      Object"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("assign")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("||")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n        method"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v("\n        url\n      "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("_requestMethodWithData")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("method"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" Method"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" data"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("any")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("?")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("this")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("request")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("\n      Object"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("assign")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("||")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n        method"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v("\n        url"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v("\n        data\n      "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n")])]),s._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[s._v("1")]),t("br"),t("span",{staticClass:"line-number"},[s._v("2")]),t("br"),t("span",{staticClass:"line-number"},[s._v("3")]),t("br"),t("span",{staticClass:"line-number"},[s._v("4")]),t("br"),t("span",{staticClass:"line-number"},[s._v("5")]),t("br"),t("span",{staticClass:"line-number"},[s._v("6")]),t("br"),t("span",{staticClass:"line-number"},[s._v("7")]),t("br"),t("span",{staticClass:"line-number"},[s._v("8")]),t("br"),t("span",{staticClass:"line-number"},[s._v("9")]),t("br"),t("span",{staticClass:"line-number"},[s._v("10")]),t("br"),t("span",{staticClass:"line-number"},[s._v("11")]),t("br"),t("span",{staticClass:"line-number"},[s._v("12")]),t("br"),t("span",{staticClass:"line-number"},[s._v("13")]),t("br"),t("span",{staticClass:"line-number"},[s._v("14")]),t("br"),t("span",{staticClass:"line-number"},[s._v("15")]),t("br"),t("span",{staticClass:"line-number"},[s._v("16")]),t("br"),t("span",{staticClass:"line-number"},[s._v("17")]),t("br"),t("span",{staticClass:"line-number"},[s._v("18")]),t("br"),t("span",{staticClass:"line-number"},[s._v("19")]),t("br"),t("span",{staticClass:"line-number"},[s._v("20")]),t("br"),t("span",{staticClass:"line-number"},[s._v("21")]),t("br"),t("span",{staticClass:"line-number"},[s._v("22")]),t("br"),t("span",{staticClass:"line-number"},[s._v("23")]),t("br"),t("span",{staticClass:"line-number"},[s._v("24")]),t("br"),t("span",{staticClass:"line-number"},[s._v("25")]),t("br"),t("span",{staticClass:"line-number"},[s._v("26")]),t("br"),t("span",{staticClass:"line-number"},[s._v("27")]),t("br"),t("span",{staticClass:"line-number"},[s._v("28")]),t("br"),t("span",{staticClass:"line-number"},[s._v("29")]),t("br"),t("span",{staticClass:"line-number"},[s._v("30")]),t("br"),t("span",{staticClass:"line-number"},[s._v("31")]),t("br"),t("span",{staticClass:"line-number"},[s._v("32")]),t("br"),t("span",{staticClass:"line-number"},[s._v("33")]),t("br"),t("span",{staticClass:"line-number"},[s._v("34")]),t("br"),t("span",{staticClass:"line-number"},[s._v("35")]),t("br"),t("span",{staticClass:"line-number"},[s._v("36")]),t("br"),t("span",{staticClass:"line-number"},[s._v("37")]),t("br"),t("span",{staticClass:"line-number"},[s._v("38")]),t("br"),t("span",{staticClass:"line-number"},[s._v("39")]),t("br"),t("span",{staticClass:"line-number"},[s._v("40")]),t("br"),t("span",{staticClass:"line-number"},[s._v("41")]),t("br"),t("span",{staticClass:"line-number"},[s._v("42")]),t("br"),t("span",{staticClass:"line-number"},[s._v("43")]),t("br"),t("span",{staticClass:"line-number"},[s._v("44")]),t("br"),t("span",{staticClass:"line-number"},[s._v("45")]),t("br"),t("span",{staticClass:"line-number"},[s._v("46")]),t("br"),t("span",{staticClass:"line-number"},[s._v("47")]),t("br"),t("span",{staticClass:"line-number"},[s._v("48")]),t("br"),t("span",{staticClass:"line-number"},[s._v("49")]),t("br"),t("span",{staticClass:"line-number"},[s._v("50")]),t("br"),t("span",{staticClass:"line-number"},[s._v("51")]),t("br"),t("span",{staticClass:"line-number"},[s._v("52")]),t("br"),t("span",{staticClass:"line-number"},[s._v("53")]),t("br"),t("span",{staticClass:"line-number"},[s._v("54")]),t("br"),t("span",{staticClass:"line-number"},[s._v("55")]),t("br")])]),t("p",[s._v("其中 "),t("code",[s._v("request")]),s._v(" 方法的功能和我们之前的 "),t("code",[s._v("axios")]),s._v(" 函数功能是一致。"),t("code",[s._v("axios")]),s._v(" 函数的功能就是发送请求，基于模块化编程的思想，我们把这部分功能抽出一个单独的模块，在 "),t("code",[s._v("core")]),s._v(" 目录下创建 "),t("code",[s._v("dispatchRequest")]),s._v(" 方法，把之前 "),t("code",[s._v("axios.ts")]),s._v(" 的相关代码拷贝过去。另外我们把 "),t("code",[s._v("xhr.ts")]),s._v(" 文件也迁移到 "),t("code",[s._v("core")]),s._v(" 目录下。")]),s._v(" "),t("p",[t("code",[s._v("core/dispatchRequest.ts")]),s._v("：")]),s._v(" "),t("div",{staticClass:"language-typescript line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-typescript"}},[t("code",[t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v(" AxiosPromise"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" AxiosResponse "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("from")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'../types'")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" xhr "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("from")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'./xhr'")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v(" buildURL "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("from")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'../helpers/url'")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v(" transformRequest"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" transformResponse "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("from")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'../helpers/data'")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v(" processHeaders "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("from")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'../helpers/headers'")]),s._v("\n\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("export")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("default")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("function")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("dispatchRequest")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosPromise "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("processConfig")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("xhr")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("then")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("res "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=>")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("transformResponseData")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("res"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("function")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("processConfig")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("void")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n  config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("url "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("transformURL")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n  config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("headers "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("transformHeaders")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n  config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("data "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("transformRequestData")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("function")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("transformURL")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("string")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("const")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v(" url"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" params "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" config\n  "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("buildURL")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("url"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" params"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("function")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("transformRequestData")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("any")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("transformRequest")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("data"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("function")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("transformHeaders")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("config"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosRequestConfig"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("const")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v(" headers "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" data "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" config\n  "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("processHeaders")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("headers"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" data"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("function")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("transformResponseData")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("res"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosResponse"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosResponse "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n  res"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("data "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("transformResponse")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("res"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("data"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" res\n"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n")])]),s._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[s._v("1")]),t("br"),t("span",{staticClass:"line-number"},[s._v("2")]),t("br"),t("span",{staticClass:"line-number"},[s._v("3")]),t("br"),t("span",{staticClass:"line-number"},[s._v("4")]),t("br"),t("span",{staticClass:"line-number"},[s._v("5")]),t("br"),t("span",{staticClass:"line-number"},[s._v("6")]),t("br"),t("span",{staticClass:"line-number"},[s._v("7")]),t("br"),t("span",{staticClass:"line-number"},[s._v("8")]),t("br"),t("span",{staticClass:"line-number"},[s._v("9")]),t("br"),t("span",{staticClass:"line-number"},[s._v("10")]),t("br"),t("span",{staticClass:"line-number"},[s._v("11")]),t("br"),t("span",{staticClass:"line-number"},[s._v("12")]),t("br"),t("span",{staticClass:"line-number"},[s._v("13")]),t("br"),t("span",{staticClass:"line-number"},[s._v("14")]),t("br"),t("span",{staticClass:"line-number"},[s._v("15")]),t("br"),t("span",{staticClass:"line-number"},[s._v("16")]),t("br"),t("span",{staticClass:"line-number"},[s._v("17")]),t("br"),t("span",{staticClass:"line-number"},[s._v("18")]),t("br"),t("span",{staticClass:"line-number"},[s._v("19")]),t("br"),t("span",{staticClass:"line-number"},[s._v("20")]),t("br"),t("span",{staticClass:"line-number"},[s._v("21")]),t("br"),t("span",{staticClass:"line-number"},[s._v("22")]),t("br"),t("span",{staticClass:"line-number"},[s._v("23")]),t("br"),t("span",{staticClass:"line-number"},[s._v("24")]),t("br"),t("span",{staticClass:"line-number"},[s._v("25")]),t("br"),t("span",{staticClass:"line-number"},[s._v("26")]),t("br"),t("span",{staticClass:"line-number"},[s._v("27")]),t("br"),t("span",{staticClass:"line-number"},[s._v("28")]),t("br"),t("span",{staticClass:"line-number"},[s._v("29")]),t("br"),t("span",{staticClass:"line-number"},[s._v("30")]),t("br"),t("span",{staticClass:"line-number"},[s._v("31")]),t("br"),t("span",{staticClass:"line-number"},[s._v("32")]),t("br"),t("span",{staticClass:"line-number"},[s._v("33")]),t("br"),t("span",{staticClass:"line-number"},[s._v("34")]),t("br"),t("span",{staticClass:"line-number"},[s._v("35")]),t("br"),t("span",{staticClass:"line-number"},[s._v("36")]),t("br"),t("span",{staticClass:"line-number"},[s._v("37")]),t("br")])]),t("p",[s._v("回到 "),t("code",[s._v("Axios.ts")]),s._v(" 文件，对于 "),t("code",[s._v("get")]),s._v("、"),t("code",[s._v("delete")]),s._v("、"),t("code",[s._v("head")]),s._v("、"),t("code",[s._v("options")]),s._v("、"),t("code",[s._v("post")]),s._v("、"),t("code",[s._v("patch")]),s._v("、"),t("code",[s._v("put")]),s._v(" 这些方法，都是对外提供的语法糖，内部都是通过调用 "),t("code",[s._v("request")]),s._v(" 方法实现发送请求，只不过在调用之前对 "),t("code",[s._v("config")]),s._v(" 做了一层合并处理。")]),s._v(" "),t("h2",{attrs:{id:"混合对象实现"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#混合对象实现"}},[s._v("#")]),s._v(" 混合对象实现")]),s._v(" "),t("p",[s._v("混合对象实现思路很简单，首先这个对象是一个函数，其次这个对象要包括 "),t("code",[s._v("Axios")]),s._v(" 类的所有原型属性和实例属性，我们首先来实现一个辅助函数 "),t("code",[s._v("extend")]),s._v("。")]),s._v(" "),t("p",[t("code",[s._v("helpers/util.ts")])]),s._v(" "),t("div",{staticClass:"language-typescript line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-typescript"}},[t("code",[t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("export")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("function")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token generic-function"}},[t("span",{pre:!0,attrs:{class:"token function"}},[s._v("extend")]),t("span",{pre:!0,attrs:{class:"token generic class-name"}},[t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("<")]),t("span",{pre:!0,attrs:{class:"token constant"}},[s._v("T")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token constant"}},[s._v("U")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(">")])])]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("to"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token constant"}},[s._v("T")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" from"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token constant"}},[s._v("U")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token constant"}},[s._v("T")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("&")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token constant"}},[s._v("U")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("for")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("const")]),s._v(" key "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("in")]),s._v(" from"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(";")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("to "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("as")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token constant"}},[s._v("T")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("&")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token constant"}},[s._v("U")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("[")]),s._v("key"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("]")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" from"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("[")]),s._v("key"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("]")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("as")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token builtin"}},[s._v("any")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" to "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("as")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token constant"}},[s._v("T")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("&")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token constant"}},[s._v("U")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n")])]),s._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[s._v("1")]),t("br"),t("span",{staticClass:"line-number"},[s._v("2")]),t("br"),t("span",{staticClass:"line-number"},[s._v("3")]),t("br"),t("span",{staticClass:"line-number"},[s._v("4")]),t("br"),t("span",{staticClass:"line-number"},[s._v("5")]),t("br"),t("span",{staticClass:"line-number"},[s._v("6")]),t("br")])]),t("p",[t("code",[s._v("extend")]),s._v(" 方法的实现用到了交叉类型，并且用到了类型断言。"),t("code",[s._v("extend")]),s._v(" 的最终目的是把 "),t("code",[s._v("from")]),s._v(" 里的属性都扩展到 "),t("code",[s._v("to")]),s._v(" 中，包括原型上的属性。")]),s._v(" "),t("p",[s._v("我们接下来对 "),t("code",[s._v("axios.ts")]),s._v(" 文件做修改，我们用工厂模式去创建一个 "),t("code",[s._v("axios")]),s._v(" 混合对象。")]),s._v(" "),t("p",[t("code",[s._v("axios.ts")]),s._v("：")]),s._v(" "),t("div",{staticClass:"language-typescript line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-typescript"}},[t("code",[t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v(" AxiosInstance "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("from")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'./types'")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" Axios "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("from")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'./core/Axios'")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v(" extend "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("from")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'./helpers/util'")]),s._v("\n\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("function")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("createInstance")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" AxiosInstance "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("const")]),s._v(" context "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("new")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token class-name"}},[s._v("Axios")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("const")]),s._v(" instance "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" Axios"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),s._v("prototype"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("request")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("bind")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("context"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n\n  "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("extend")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),s._v("instance"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" context"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n\n  "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("return")]),s._v(" instance "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("as")]),s._v(" AxiosInstance\n"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("const")]),s._v(" axios "),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v("=")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("createInstance")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n\n"),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("export")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("default")]),s._v(" axios\n")])]),s._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[s._v("1")]),t("br"),t("span",{staticClass:"line-number"},[s._v("2")]),t("br"),t("span",{staticClass:"line-number"},[s._v("3")]),t("br"),t("span",{staticClass:"line-number"},[s._v("4")]),t("br"),t("span",{staticClass:"line-number"},[s._v("5")]),t("br"),t("span",{staticClass:"line-number"},[s._v("6")]),t("br"),t("span",{staticClass:"line-number"},[s._v("7")]),t("br"),t("span",{staticClass:"line-number"},[s._v("8")]),t("br"),t("span",{staticClass:"line-number"},[s._v("9")]),t("br"),t("span",{staticClass:"line-number"},[s._v("10")]),t("br"),t("span",{staticClass:"line-number"},[s._v("11")]),t("br"),t("span",{staticClass:"line-number"},[s._v("12")]),t("br"),t("span",{staticClass:"line-number"},[s._v("13")]),t("br"),t("span",{staticClass:"line-number"},[s._v("14")]),t("br"),t("span",{staticClass:"line-number"},[s._v("15")]),t("br"),t("span",{staticClass:"line-number"},[s._v("16")]),t("br")])]),t("p",[s._v("在 "),t("code",[s._v("createInstance")]),s._v(" 工厂函数的内部，我们首先实例化了 "),t("code",[s._v("Axios")]),s._v(" 实例 "),t("code",[s._v("context")]),s._v("，接着创建"),t("code",[s._v("instance")]),s._v(" 指向 "),t("code",[s._v("Axios.prototype.request")]),s._v(" 方法，并绑定了上下文 "),t("code",[s._v("context")]),s._v("；接着通过 "),t("code",[s._v("extend")]),s._v(" 方法把 "),t("code",[s._v("context")]),s._v(" 中的原型方法和实例方法全部拷贝到 "),t("code",[s._v("instance")]),s._v(" 上，这样就实现了一个混合对象："),t("code",[s._v("instance")]),s._v(" 本身是一个函数，又拥有了 "),t("code",[s._v("Axios")]),s._v(" 类的所有原型和实例属性，最终把这个 "),t("code",[s._v("instance")]),s._v(" 返回。由于这里 "),t("code",[s._v("TypeScript")]),s._v(" 不能正确推断 "),t("code",[s._v("instance")]),s._v(" 的类型，我们把它断言成 "),t("code",[s._v("AxiosInstance")]),s._v(" 类型。")]),s._v(" "),t("p",[s._v("这样我们就可以通过 "),t("code",[s._v("createInstance")]),s._v(" 工厂函数创建了 "),t("code",[s._v("axios")]),s._v("，当直接调用 "),t("code",[s._v("axios")]),s._v(" 方法就相当于执行了 "),t("code",[s._v("Axios")]),s._v(" 类的 "),t("code",[s._v("request")]),s._v(" 方法发送请求，当然我们也可以调用 "),t("code",[s._v("axios.get")]),s._v("、"),t("code",[s._v("axios.post")]),s._v(" 等方法。")]),s._v(" "),t("h2",{attrs:{id:"demo-编写"}},[t("a",{staticClass:"header-anchor",attrs:{href:"#demo-编写"}},[s._v("#")]),s._v(" demo 编写")]),s._v(" "),t("p",[s._v("在 "),t("code",[s._v("examples")]),s._v(" 目录下创建 "),t("code",[s._v("extend")]),s._v(" 目录，在 "),t("code",[s._v("extend")]),s._v(" 目录下创建 "),t("code",[s._v("index.html")]),s._v(":")]),s._v(" "),t("div",{staticClass:"language-html line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-html"}},[t("code",[t("span",{pre:!0,attrs:{class:"token doctype"}},[t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("<!")]),t("span",{pre:!0,attrs:{class:"token doctype-tag"}},[s._v("DOCTYPE")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token name"}},[s._v("html")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("<")]),s._v("html")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token attr-name"}},[s._v("lang")]),t("span",{pre:!0,attrs:{class:"token attr-value"}},[t("span",{pre:!0,attrs:{class:"token punctuation attr-equals"}},[s._v("=")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v('"')]),s._v("en"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v('"')])]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("<")]),s._v("head")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("<")]),s._v("meta")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token attr-name"}},[s._v("charset")]),t("span",{pre:!0,attrs:{class:"token attr-value"}},[t("span",{pre:!0,attrs:{class:"token punctuation attr-equals"}},[s._v("=")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v('"')]),s._v("utf-8"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v('"')])]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("<")]),s._v("title")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v("Extend example"),t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("</")]),s._v("title")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("</")]),s._v("head")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("<")]),s._v("body")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v("\n    "),t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("<")]),s._v("script")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token attr-name"}},[s._v("src")]),t("span",{pre:!0,attrs:{class:"token attr-value"}},[t("span",{pre:!0,attrs:{class:"token punctuation attr-equals"}},[s._v("=")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v('"')]),s._v("/__build__/extend.js"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v('"')])]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),t("span",{pre:!0,attrs:{class:"token script"}}),t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("</")]),s._v("script")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("</")]),s._v("body")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token tag"}},[t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("</")]),s._v("html")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(">")])]),s._v("\n")])]),s._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[s._v("1")]),t("br"),t("span",{staticClass:"line-number"},[s._v("2")]),t("br"),t("span",{staticClass:"line-number"},[s._v("3")]),t("br"),t("span",{staticClass:"line-number"},[s._v("4")]),t("br"),t("span",{staticClass:"line-number"},[s._v("5")]),t("br"),t("span",{staticClass:"line-number"},[s._v("6")]),t("br"),t("span",{staticClass:"line-number"},[s._v("7")]),t("br"),t("span",{staticClass:"line-number"},[s._v("8")]),t("br"),t("span",{staticClass:"line-number"},[s._v("9")]),t("br"),t("span",{staticClass:"line-number"},[s._v("10")]),t("br")])]),t("p",[s._v("接着创建 "),t("code",[s._v("app.ts")]),s._v(" 作为入口文件：")]),s._v(" "),t("div",{staticClass:"language-typescript line-numbers-mode"},[t("pre",{pre:!0,attrs:{class:"language-typescript"}},[t("code",[t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("import")]),s._v(" axios "),t("span",{pre:!0,attrs:{class:"token keyword"}},[s._v("from")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'../../src/index'")]),s._v("\n\n"),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("axios")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n  url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'/extend/post'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v("\n  method"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'post'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v("\n  data"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n    msg"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'hi'")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n\naxios"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("request")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n  url"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'/extend/post'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v("\n  method"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'post'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v("\n  data"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v("\n    msg"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'hello'")]),s._v("\n  "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),s._v("\n"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n\naxios"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("get")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'/extend/get'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n\naxios"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("options")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'/extend/options'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n\naxios"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("delete")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'/extend/delete'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n\naxios"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("head")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'/extend/head'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n\naxios"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("post")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'/extend/post'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v(" msg"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'post'")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n\naxios"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("put")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'/extend/put'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v(" msg"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'put'")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n\naxios"),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(".")]),t("span",{pre:!0,attrs:{class:"token function"}},[s._v("patch")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("(")]),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'/extend/patch'")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(",")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("{")]),s._v(" msg"),t("span",{pre:!0,attrs:{class:"token operator"}},[s._v(":")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token string"}},[s._v("'patch'")]),s._v(" "),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v("}")]),t("span",{pre:!0,attrs:{class:"token punctuation"}},[s._v(")")]),s._v("\n")])]),s._v(" "),t("div",{staticClass:"line-numbers-wrapper"},[t("span",{staticClass:"line-number"},[s._v("1")]),t("br"),t("span",{staticClass:"line-number"},[s._v("2")]),t("br"),t("span",{staticClass:"line-number"},[s._v("3")]),t("br"),t("span",{staticClass:"line-number"},[s._v("4")]),t("br"),t("span",{staticClass:"line-number"},[s._v("5")]),t("br"),t("span",{staticClass:"line-number"},[s._v("6")]),t("br"),t("span",{staticClass:"line-number"},[s._v("7")]),t("br"),t("span",{staticClass:"line-number"},[s._v("8")]),t("br"),t("span",{staticClass:"line-number"},[s._v("9")]),t("br"),t("span",{staticClass:"line-number"},[s._v("10")]),t("br"),t("span",{staticClass:"line-number"},[s._v("11")]),t("br"),t("span",{staticClass:"line-number"},[s._v("12")]),t("br"),t("span",{staticClass:"line-number"},[s._v("13")]),t("br"),t("span",{staticClass:"line-number"},[s._v("14")]),t("br"),t("span",{staticClass:"line-number"},[s._v("15")]),t("br"),t("span",{staticClass:"line-number"},[s._v("16")]),t("br"),t("span",{staticClass:"line-number"},[s._v("17")]),t("br"),t("span",{staticClass:"line-number"},[s._v("18")]),t("br"),t("span",{staticClass:"line-number"},[s._v("19")]),t("br"),t("span",{staticClass:"line-number"},[s._v("20")]),t("br"),t("span",{staticClass:"line-number"},[s._v("21")]),t("br"),t("span",{staticClass:"line-number"},[s._v("22")]),t("br"),t("span",{staticClass:"line-number"},[s._v("23")]),t("br"),t("span",{staticClass:"line-number"},[s._v("24")]),t("br"),t("span",{staticClass:"line-number"},[s._v("25")]),t("br"),t("span",{staticClass:"line-number"},[s._v("26")]),t("br"),t("span",{staticClass:"line-number"},[s._v("27")]),t("br"),t("span",{staticClass:"line-number"},[s._v("28")]),t("br"),t("span",{staticClass:"line-number"},[s._v("29")]),t("br"),t("span",{staticClass:"line-number"},[s._v("30")]),t("br"),t("span",{staticClass:"line-number"},[s._v("31")]),t("br")])]),t("p",[s._v("然后在命令行运行 "),t("code",[s._v("npm run dev")]),s._v("，接着打开 chrome 浏览器，访问 "),t("code",[s._v("http://localhost:8080/")]),s._v(" 即可访问我们的 demo 了，我们点到 "),t("code",[s._v("Extend")]),s._v(" 目录下，通过开发者工具的 network 部分我们可以看到每个请求的发送情况。")]),s._v(" "),t("p",[s._v("至此我们支持了对 "),t("code",[s._v("axios")]),s._v(" API 的扩展，把它变成了一个混合对象。官方的 "),t("code",[s._v("axios")]),s._v(" 实例除了支持了 "),t("code",[s._v("axios(config)")]),s._v("，还支持了传入 2 个参数 "),t("code",[s._v("axios(url, config)")]),s._v("，这里就涉及到函数重载的概念了，下一节我们来实现这个 feature。")])])}),[],!1,null,null,null);t.default=e.exports}}]);