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demo 我们可以看到,当我们请求的数据是普通对象并且没有配置 "),t("code",[s._v("headers")]),s._v(" 的时候,会自动为其添加 "),t("code",[s._v("Content-Type:application/json;charset=utf-8")]),s._v(";同时我们发现当 data 是某些类型如 "),t("code",[s._v("URLSearchParams")]),s._v(" 的时候,浏览器会自动为请求 "),t("code",[s._v("header")]),s._v("加上合适的 "),t("code",[s._v("Content-Type")]),s._v("。")]),s._v(" "),t("p",[s._v("至此我们对于请求的处理逻辑暂时告一段落。目前我们的请求从网络层面是可以收到服务端的响应的,下一节课我们就从代码层面来处理服务端响应,并且让调用方可以拿到从服务端返回的数据。")])])}),[],!1,null,null,null);t.default=e.exports}}]);