| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149 |
- <!DOCTYPE html>
- <html lang="zh-CN">
- <head>
- <meta charset="utf-8">
- <meta name="viewport" content="width=device-width,initial-scale=1">
- <title>静态方法扩展 | 彪哥博客</title>
- <meta name="generator" content="VuePress 1.9.5">
- <link rel="icon" href="/blog/img/favicon.ico">
- <meta name="description" content="web前端技术博客,专注web前端学习与总结。JavaScript,js,ES6,TypeScript,vue,React,python,css3,html5,Node,git,github等技术文章。">
- <meta name="keywords" content="前端博客,个人技术博客,前端,前端开发,前端框架,web前端,前端面试题,技术文档,学习,面试,JavaScript,js,ES6,TypeScript,vue,python,css3,html5,Node,git,github,markdown">
- <meta name="theme-color" content="#11a8cd">
-
- <link rel="preload" href="/blog/assets/css/0.styles.cf8cd190.css" as="style"><link rel="preload" href="/blog/assets/js/app.28edfb28.js" as="script"><link rel="preload" href="/blog/assets/js/2.395c0d18.js" as="script"><link rel="preload" href="/blog/assets/js/3.6748bd5c.js" as="script"><link rel="preload" href="/blog/assets/js/198.628c2c1a.js" as="script"><link rel="prefetch" href="/blog/assets/js/10.cad3aa70.js"><link rel="prefetch" href="/blog/assets/js/100.08a8b2d8.js"><link rel="prefetch" href="/blog/assets/js/101.2aabb12c.js"><link rel="prefetch" href="/blog/assets/js/102.13f3cc4d.js"><link rel="prefetch" href="/blog/assets/js/103.c19aee03.js"><link rel="prefetch" href="/blog/assets/js/104.91a6aec1.js"><link rel="prefetch" href="/blog/assets/js/105.71de1aa4.js"><link rel="prefetch" href="/blog/assets/js/106.207422de.js"><link rel="prefetch" href="/blog/assets/js/107.bf754f60.js"><link rel="prefetch" href="/blog/assets/js/108.a43622c2.js"><link rel="prefetch" href="/blog/assets/js/109.3219d87b.js"><link rel="prefetch" href="/blog/assets/js/11.f2e9eca8.js"><link rel="prefetch" href="/blog/assets/js/110.f41596b0.js"><link rel="prefetch" href="/blog/assets/js/111.da99a105.js"><link rel="prefetch" href="/blog/assets/js/112.9dd75c6f.js"><link rel="prefetch" href="/blog/assets/js/113.9322f157.js"><link rel="prefetch" href="/blog/assets/js/114.c5150cc6.js"><link rel="prefetch" href="/blog/assets/js/115.f58b49f8.js"><link rel="prefetch" href="/blog/assets/js/116.8f7d9c6f.js"><link rel="prefetch" href="/blog/assets/js/117.3c970f48.js"><link rel="prefetch" href="/blog/assets/js/118.921e1d54.js"><link rel="prefetch" href="/blog/assets/js/119.0141defb.js"><link rel="prefetch" href="/blog/assets/js/12.98512c60.js"><link rel="prefetch" href="/blog/assets/js/120.de47a761.js"><link rel="prefetch" href="/blog/assets/js/121.a0b3693a.js"><link rel="prefetch" href="/blog/assets/js/122.6c7dd225.js"><link rel="prefetch" href="/blog/assets/js/123.dbff103c.js"><link rel="prefetch" href="/blog/assets/js/124.493776ef.js"><link rel="prefetch" href="/blog/assets/js/125.554c9fbf.js"><link rel="prefetch" href="/blog/assets/js/126.9d3b75dc.js"><link rel="prefetch" href="/blog/assets/js/127.aad20a7e.js"><link rel="prefetch" href="/blog/assets/js/128.6543adba.js"><link rel="prefetch" href="/blog/assets/js/129.d7c56b92.js"><link rel="prefetch" href="/blog/assets/js/13.a79fa0c7.js"><link rel="prefetch" href="/blog/assets/js/130.593d21f0.js"><link rel="prefetch" href="/blog/assets/js/131.4c90d8b8.js"><link rel="prefetch" href="/blog/assets/js/132.4ad12bdc.js"><link rel="prefetch" href="/blog/assets/js/133.6df121d8.js"><link rel="prefetch" href="/blog/assets/js/134.65e904d2.js"><link rel="prefetch" href="/blog/assets/js/135.47498729.js"><link rel="prefetch" href="/blog/assets/js/136.d99350df.js"><link rel="prefetch" href="/blog/assets/js/137.71e8757e.js"><link rel="prefetch" href="/blog/assets/js/138.75e29c6f.js"><link rel="prefetch" href="/blog/assets/js/139.766f20b7.js"><link rel="prefetch" href="/blog/assets/js/14.0fdf0c78.js"><link rel="prefetch" href="/blog/assets/js/140.0d9b8fbc.js"><link rel="prefetch" href="/blog/assets/js/141.128b6e26.js"><link rel="prefetch" href="/blog/assets/js/142.e004a584.js"><link rel="prefetch" href="/blog/assets/js/143.5a19a0b2.js"><link rel="prefetch" href="/blog/assets/js/144.5f397211.js"><link rel="prefetch" href="/blog/assets/js/145.3b994de3.js"><link rel="prefetch" href="/blog/assets/js/146.24441c89.js"><link rel="prefetch" href="/blog/assets/js/147.f7f1952e.js"><link rel="prefetch" href="/blog/assets/js/148.25581f95.js"><link rel="prefetch" href="/blog/assets/js/149.7a6ca4f7.js"><link rel="prefetch" href="/blog/assets/js/15.fce722b2.js"><link rel="prefetch" href="/blog/assets/js/150.3a1675b7.js"><link rel="prefetch" href="/blog/assets/js/151.250a4894.js"><link rel="prefetch" href="/blog/assets/js/152.fa700729.js"><link rel="prefetch" href="/blog/assets/js/153.cc421f44.js"><link rel="prefetch" href="/blog/assets/js/154.a04c0164.js"><link rel="prefetch" href="/blog/assets/js/155.b5c0abcd.js"><link rel="prefetch" href="/blog/assets/js/156.2ba750fc.js"><link rel="prefetch" href="/blog/assets/js/157.99ee745c.js"><link rel="prefetch" href="/blog/assets/js/158.09b15f2b.js"><link rel="prefetch" href="/blog/assets/js/159.3fd855e1.js"><link rel="prefetch" href="/blog/assets/js/16.7cf1b239.js"><link rel="prefetch" href="/blog/assets/js/160.307b6a2e.js"><link rel="prefetch" href="/blog/assets/js/161.97acae68.js"><link rel="prefetch" href="/blog/assets/js/162.86431056.js"><link rel="prefetch" href="/blog/assets/js/163.f1bfa2fe.js"><link rel="prefetch" href="/blog/assets/js/164.105b48fa.js"><link rel="prefetch" href="/blog/assets/js/165.700f83da.js"><link rel="prefetch" href="/blog/assets/js/166.8de21024.js"><link rel="prefetch" href="/blog/assets/js/167.2b670c3d.js"><link rel="prefetch" href="/blog/assets/js/168.330ac31c.js"><link rel="prefetch" href="/blog/assets/js/169.f8233c38.js"><link rel="prefetch" href="/blog/assets/js/17.93f492a1.js"><link rel="prefetch" href="/blog/assets/js/170.7c8b0366.js"><link rel="prefetch" href="/blog/assets/js/171.c3155533.js"><link rel="prefetch" href="/blog/assets/js/172.b659d767.js"><link rel="prefetch" href="/blog/assets/js/173.62c681db.js"><link rel="prefetch" href="/blog/assets/js/174.5c66f092.js"><link rel="prefetch" href="/blog/assets/js/175.d41dd28b.js"><link rel="prefetch" href="/blog/assets/js/176.e60d7f0a.js"><link rel="prefetch" href="/blog/assets/js/177.10de95b1.js"><link rel="prefetch" href="/blog/assets/js/178.f301674d.js"><link rel="prefetch" href="/blog/assets/js/179.4d54a4ff.js"><link rel="prefetch" href="/blog/assets/js/18.f17de23a.js"><link rel="prefetch" href="/blog/assets/js/180.955aa8ec.js"><link rel="prefetch" href="/blog/assets/js/181.a53e32e0.js"><link rel="prefetch" href="/blog/assets/js/182.38687994.js"><link rel="prefetch" href="/blog/assets/js/183.544fef00.js"><link rel="prefetch" href="/blog/assets/js/184.711e54a6.js"><link rel="prefetch" href="/blog/assets/js/185.20075148.js"><link rel="prefetch" href="/blog/assets/js/186.08c67f20.js"><link rel="prefetch" href="/blog/assets/js/187.7ca2d0c6.js"><link rel="prefetch" href="/blog/assets/js/188.cd167879.js"><link rel="prefetch" href="/blog/assets/js/189.e8e2eb21.js"><link rel="prefetch" href="/blog/assets/js/19.6b963460.js"><link rel="prefetch" href="/blog/assets/js/190.8b557318.js"><link rel="prefetch" href="/blog/assets/js/191.3e6fdc4f.js"><link rel="prefetch" href="/blog/assets/js/192.99d6e1d8.js"><link rel="prefetch" href="/blog/assets/js/193.4ced091e.js"><link rel="prefetch" href="/blog/assets/js/194.4b375e2e.js"><link rel="prefetch" href="/blog/assets/js/195.003e3d67.js"><link rel="prefetch" href="/blog/assets/js/196.7a3f55e5.js"><link rel="prefetch" href="/blog/assets/js/197.30d4c5b4.js"><link rel="prefetch" href="/blog/assets/js/199.89c4e586.js"><link rel="prefetch" href="/blog/assets/js/20.839dae41.js"><link rel="prefetch" href="/blog/assets/js/200.1d9f2ef9.js"><link rel="prefetch" href="/blog/assets/js/201.5ba078d9.js"><link rel="prefetch" href="/blog/assets/js/202.b49b23f4.js"><link rel="prefetch" href="/blog/assets/js/203.d88a03d9.js"><link rel="prefetch" href="/blog/assets/js/204.fb928277.js"><link rel="prefetch" href="/blog/assets/js/205.432c3d8d.js"><link rel="prefetch" href="/blog/assets/js/206.ed726599.js"><link rel="prefetch" href="/blog/assets/js/207.9ac30d7b.js"><link rel="prefetch" href="/blog/assets/js/208.c5e77adc.js"><link rel="prefetch" href="/blog/assets/js/209.d396aad5.js"><link rel="prefetch" href="/blog/assets/js/21.bd21bd29.js"><link rel="prefetch" href="/blog/assets/js/210.02e4ee2f.js"><link rel="prefetch" href="/blog/assets/js/211.0f8a9304.js"><link rel="prefetch" href="/blog/assets/js/212.9220dd3d.js"><link rel="prefetch" href="/blog/assets/js/213.89521ebd.js"><link rel="prefetch" href="/blog/assets/js/214.cd5ec468.js"><link rel="prefetch" href="/blog/assets/js/215.0084d772.js"><link rel="prefetch" href="/blog/assets/js/216.a72becb1.js"><link rel="prefetch" href="/blog/assets/js/217.71a7f3aa.js"><link rel="prefetch" href="/blog/assets/js/218.9793e19a.js"><link rel="prefetch" href="/blog/assets/js/219.c89175e9.js"><link rel="prefetch" href="/blog/assets/js/22.e6bcf65d.js"><link rel="prefetch" href="/blog/assets/js/220.d496e411.js"><link rel="prefetch" href="/blog/assets/js/221.07a9338a.js"><link rel="prefetch" href="/blog/assets/js/222.22bf261f.js"><link rel="prefetch" href="/blog/assets/js/223.b9c6a055.js"><link rel="prefetch" href="/blog/assets/js/224.364b4b11.js"><link rel="prefetch" href="/blog/assets/js/225.adec6660.js"><link rel="prefetch" href="/blog/assets/js/226.78192713.js"><link rel="prefetch" href="/blog/assets/js/227.0c1ec0e5.js"><link rel="prefetch" href="/blog/assets/js/228.a94ad835.js"><link rel="prefetch" href="/blog/assets/js/229.51820867.js"><link rel="prefetch" href="/blog/assets/js/23.7bb82fc7.js"><link rel="prefetch" href="/blog/assets/js/230.6eb1d9bf.js"><link rel="prefetch" href="/blog/assets/js/231.55d62061.js"><link rel="prefetch" href="/blog/assets/js/232.f938a3a8.js"><link rel="prefetch" href="/blog/assets/js/233.2c81f1b3.js"><link rel="prefetch" href="/blog/assets/js/234.4dbf5d59.js"><link rel="prefetch" href="/blog/assets/js/235.f78274d9.js"><link rel="prefetch" href="/blog/assets/js/236.a2b61bec.js"><link rel="prefetch" href="/blog/assets/js/237.6ae31c88.js"><link rel="prefetch" href="/blog/assets/js/238.2f5c56ae.js"><link rel="prefetch" href="/blog/assets/js/239.506a4e9f.js"><link rel="prefetch" href="/blog/assets/js/24.2c9c4ee6.js"><link rel="prefetch" href="/blog/assets/js/25.b4de33d1.js"><link rel="prefetch" href="/blog/assets/js/26.0bb98ba9.js"><link rel="prefetch" href="/blog/assets/js/27.df98327e.js"><link rel="prefetch" href="/blog/assets/js/28.31289bac.js"><link rel="prefetch" href="/blog/assets/js/29.45af5621.js"><link rel="prefetch" href="/blog/assets/js/30.d5c08e66.js"><link rel="prefetch" href="/blog/assets/js/31.78e43a68.js"><link rel="prefetch" href="/blog/assets/js/32.66c0e717.js"><link rel="prefetch" href="/blog/assets/js/33.0efe6b11.js"><link rel="prefetch" href="/blog/assets/js/34.cb1866c1.js"><link rel="prefetch" href="/blog/assets/js/35.dca9b927.js"><link rel="prefetch" href="/blog/assets/js/36.fb4476c3.js"><link rel="prefetch" href="/blog/assets/js/37.09dfc1c5.js"><link rel="prefetch" href="/blog/assets/js/38.6624bf02.js"><link rel="prefetch" href="/blog/assets/js/39.df6c26ac.js"><link rel="prefetch" href="/blog/assets/js/4.44654b1a.js"><link rel="prefetch" href="/blog/assets/js/40.80101c19.js"><link rel="prefetch" href="/blog/assets/js/41.2b5e8c27.js"><link rel="prefetch" href="/blog/assets/js/42.c6ded3fe.js"><link rel="prefetch" href="/blog/assets/js/43.6d9424d6.js"><link rel="prefetch" href="/blog/assets/js/44.835e4b5c.js"><link rel="prefetch" href="/blog/assets/js/45.e7bb6f6a.js"><link rel="prefetch" href="/blog/assets/js/46.1b9286bf.js"><link rel="prefetch" href="/blog/assets/js/47.8d66ca97.js"><link rel="prefetch" href="/blog/assets/js/48.3c1102e1.js"><link rel="prefetch" href="/blog/assets/js/49.e17a3436.js"><link rel="prefetch" href="/blog/assets/js/5.88de390f.js"><link rel="prefetch" href="/blog/assets/js/50.6750f186.js"><link rel="prefetch" href="/blog/assets/js/51.9f93af9f.js"><link rel="prefetch" href="/blog/assets/js/52.f3ef3b5e.js"><link rel="prefetch" href="/blog/assets/js/53.a6bacd25.js"><link rel="prefetch" href="/blog/assets/js/54.dbb7c9ab.js"><link rel="prefetch" href="/blog/assets/js/55.2562d0c8.js"><link rel="prefetch" href="/blog/assets/js/56.14ea4931.js"><link rel="prefetch" href="/blog/assets/js/57.a2fad780.js"><link rel="prefetch" href="/blog/assets/js/58.8165b971.js"><link rel="prefetch" href="/blog/assets/js/59.556cab0d.js"><link rel="prefetch" href="/blog/assets/js/6.277038ca.js"><link rel="prefetch" href="/blog/assets/js/60.f048aa7c.js"><link rel="prefetch" href="/blog/assets/js/61.bdb307a8.js"><link rel="prefetch" href="/blog/assets/js/62.37a94f10.js"><link rel="prefetch" href="/blog/assets/js/63.74811780.js"><link rel="prefetch" href="/blog/assets/js/64.d3429318.js"><link rel="prefetch" href="/blog/assets/js/65.acfdd371.js"><link rel="prefetch" href="/blog/assets/js/66.cb805d9b.js"><link rel="prefetch" href="/blog/assets/js/67.39f85baa.js"><link rel="prefetch" href="/blog/assets/js/68.a1902a2a.js"><link rel="prefetch" href="/blog/assets/js/69.923fdd78.js"><link rel="prefetch" href="/blog/assets/js/7.474f8f8d.js"><link rel="prefetch" href="/blog/assets/js/70.1f3e978d.js"><link rel="prefetch" href="/blog/assets/js/71.13cd9358.js"><link rel="prefetch" href="/blog/assets/js/72.739b22a8.js"><link rel="prefetch" href="/blog/assets/js/73.95f69ae2.js"><link rel="prefetch" href="/blog/assets/js/74.b6624f6a.js"><link rel="prefetch" href="/blog/assets/js/75.31b56e72.js"><link rel="prefetch" href="/blog/assets/js/76.b9c0ce40.js"><link rel="prefetch" href="/blog/assets/js/77.46f6e413.js"><link rel="prefetch" href="/blog/assets/js/78.aebd00ee.js"><link rel="prefetch" href="/blog/assets/js/79.1b784d15.js"><link rel="prefetch" href="/blog/assets/js/8.9428e7ee.js"><link rel="prefetch" href="/blog/assets/js/80.1f550d53.js"><link rel="prefetch" href="/blog/assets/js/81.101cc131.js"><link rel="prefetch" href="/blog/assets/js/82.077c8298.js"><link rel="prefetch" href="/blog/assets/js/83.2e375d11.js"><link rel="prefetch" href="/blog/assets/js/84.38102a34.js"><link rel="prefetch" href="/blog/assets/js/85.24532d6a.js"><link rel="prefetch" href="/blog/assets/js/86.1dabbf00.js"><link rel="prefetch" href="/blog/assets/js/87.763da0f2.js"><link rel="prefetch" href="/blog/assets/js/88.ff6e5f7c.js"><link rel="prefetch" href="/blog/assets/js/89.187e5e16.js"><link rel="prefetch" href="/blog/assets/js/9.da143545.js"><link rel="prefetch" href="/blog/assets/js/90.3c8cff94.js"><link rel="prefetch" href="/blog/assets/js/91.a50bd44d.js"><link rel="prefetch" href="/blog/assets/js/92.5484868f.js"><link rel="prefetch" href="/blog/assets/js/93.c8ee75e3.js"><link rel="prefetch" href="/blog/assets/js/94.b18a3e9b.js"><link rel="prefetch" href="/blog/assets/js/95.cddef6ae.js"><link rel="prefetch" href="/blog/assets/js/96.80e5a938.js"><link rel="prefetch" href="/blog/assets/js/97.1f5e5197.js"><link rel="prefetch" href="/blog/assets/js/98.e3a275c8.js"><link rel="prefetch" href="/blog/assets/js/99.d33bf89e.js">
- <link rel="stylesheet" href="/blog/assets/css/0.styles.cf8cd190.css">
- </head>
- <body class="theme-mode-light">
- <div id="app" data-server-rendered="true"><div class="theme-container sidebar-open have-rightmenu"><header class="navbar blur"><div title="目录" class="sidebar-button"><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" role="img" viewBox="0 0 448 512" class="icon"><path fill="currentColor" d="M436 124H12c-6.627 0-12-5.373-12-12V80c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12zm0 160H12c-6.627 0-12-5.373-12-12v-32c0-6.627 5.373-12 12-12h424c6.627 0 12 5.373 12 12v32c0 6.627-5.373 12-12 12z"></path></svg></div> <a href="/blog/" class="home-link router-link-active"><img src="/blog/img/logo.png" alt="彪哥博客" class="logo"> <span class="site-name can-hide">彪哥博客</span></a> <div class="links"><div class="search-box"><input aria-label="Search" autocomplete="off" spellcheck="false" value=""> <!----></div> <nav class="nav-links can-hide"><div class="nav-item"><a href="/blog/" class="nav-link">首页</a></div><div class="nav-item"><a href="http://fseller.com" target="_blank" rel="noopener noreferrer" class="nav-link external">
- 个人游戏网站
- <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="前端" class="dropdown-title"><a href="/blog/web/" class="link-title">前端</a> <span class="title" style="display:none;">前端</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><h4>前端文章</h4> <ul class="dropdown-subitem-wrapper"><li class="dropdown-subitem"><a href="/blog/pages/8143cc480faf9a11/" class="nav-link">JavaScript</a></li></ul></li><li class="dropdown-item"><h4>学习笔记</h4> <ul class="dropdown-subitem-wrapper"><li class="dropdown-subitem"><a href="/blog/note/javascript/" class="nav-link">《JavaScript教程》</a></li><li class="dropdown-subitem"><a href="/blog/note/js/" class="nav-link">《JavaScript高级程序设计》</a></li><li class="dropdown-subitem"><a href="/blog/note/es6/" class="nav-link">《ES6 教程》</a></li><li class="dropdown-subitem"><a href="/blog/note/vue/" class="nav-link">《Vue》</a></li><li class="dropdown-subitem"><a href="/blog/note/react/" class="nav-link">《React》</a></li><li class="dropdown-subitem"><a href="/blog/note/typescript-axios/" class="nav-link">《TypeScript 从零实现 axios》</a></li><li class="dropdown-subitem"><a href="/blog/note/git/" class="nav-link">《Git》</a></li><li class="dropdown-subitem"><a href="/blog/pages/51afd6/" class="nav-link">TypeScript</a></li><li class="dropdown-subitem"><a href="/blog/pages/4643cd/" class="nav-link">JS设计模式总结</a></li></ul></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="页面" class="dropdown-title"><a href="/blog/ui/" class="link-title">页面</a> <span class="title" style="display:none;">页面</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/blog/pages/8309a5b876fc95e3/" class="nav-link">HTML</a></li><li class="dropdown-item"><!----> <a href="/blog/pages/0a83b083bdf257cb/" class="nav-link">CSS</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="技术" class="dropdown-title"><a href="/blog/technology/" class="link-title">技术</a> <span class="title" style="display:none;">技术</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/blog/pages/9a7ee40fc232253e/" class="nav-link">技术文档</a></li><li class="dropdown-item"><!----> <a href="/blog/pages/4c778760be26d8b3/" class="nav-link">GitHub技巧</a></li><li class="dropdown-item"><!----> <a href="/blog/pages/117708e0af7f0bd9/" class="nav-link">Nodejs</a></li><li class="dropdown-item"><!----> <a href="/blog/pages/41f87d890d0a02af/" class="nav-link">博客搭建</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="更多" class="dropdown-title"><a href="/blog/more/" class="link-title">更多</a> <span class="title" style="display:none;">更多</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/blog/pages/f2a556/" class="nav-link">学习</a></li><li class="dropdown-item"><!----> <a href="/blog/pages/aea6571b7a8bae86/" class="nav-link">面试</a></li><li class="dropdown-item"><!----> <a href="/blog/pages/2d615df9a36a98ed/" class="nav-link">心情杂货</a></li><li class="dropdown-item"><!----> <a href="/blog/pages/baaa02/" class="nav-link">实用技巧</a></li><li class="dropdown-item"><!----> <a href="/blog/friends/" class="nav-link">友情链接</a></li></ul></div></div><div class="nav-item"><a href="/blog/about/" class="nav-link">关于</a></div><div class="nav-item"><a href="/blog/pages/beb6c0bd8a66cea6/" class="nav-link">收藏</a></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="索引" class="dropdown-title"><a href="/blog/archives/" class="link-title">索引</a> <span class="title" style="display:none;">索引</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/blog/categories/" class="nav-link">分类</a></li><li class="dropdown-item"><!----> <a href="/blog/tags/" class="nav-link">标签</a></li><li class="dropdown-item"><!----> <a href="/blog/archives/" class="nav-link">归档</a></li></ul></div></div> <a href="https://github.com/heBody/blog" target="_blank" rel="noopener noreferrer" class="repo-link">
- GitHub
- <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav></div></header> <div class="sidebar-mask"></div> <div class="sidebar-hover-trigger"></div> <aside class="sidebar" style="display:none;"><div class="blogger"><img src="https://fastly.jsdelivr.net/gh/xugaoyi/image_store/blog/20200103123203.jpg"> <div class="blogger-info"><h3>彪哥</h3> <span>爱好前端</span></div></div> <nav class="nav-links"><div class="nav-item"><a href="/blog/" class="nav-link">首页</a></div><div class="nav-item"><a href="http://fseller.com" target="_blank" rel="noopener noreferrer" class="nav-link external">
- 个人游戏网站
- <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="前端" class="dropdown-title"><a href="/blog/web/" class="link-title">前端</a> <span class="title" style="display:none;">前端</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><h4>前端文章</h4> <ul class="dropdown-subitem-wrapper"><li class="dropdown-subitem"><a href="/blog/pages/8143cc480faf9a11/" class="nav-link">JavaScript</a></li></ul></li><li class="dropdown-item"><h4>学习笔记</h4> <ul class="dropdown-subitem-wrapper"><li class="dropdown-subitem"><a href="/blog/note/javascript/" class="nav-link">《JavaScript教程》</a></li><li class="dropdown-subitem"><a href="/blog/note/js/" class="nav-link">《JavaScript高级程序设计》</a></li><li class="dropdown-subitem"><a href="/blog/note/es6/" class="nav-link">《ES6 教程》</a></li><li class="dropdown-subitem"><a href="/blog/note/vue/" class="nav-link">《Vue》</a></li><li class="dropdown-subitem"><a href="/blog/note/react/" class="nav-link">《React》</a></li><li class="dropdown-subitem"><a href="/blog/note/typescript-axios/" class="nav-link">《TypeScript 从零实现 axios》</a></li><li class="dropdown-subitem"><a href="/blog/note/git/" class="nav-link">《Git》</a></li><li class="dropdown-subitem"><a href="/blog/pages/51afd6/" class="nav-link">TypeScript</a></li><li class="dropdown-subitem"><a href="/blog/pages/4643cd/" class="nav-link">JS设计模式总结</a></li></ul></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="页面" class="dropdown-title"><a href="/blog/ui/" class="link-title">页面</a> <span class="title" style="display:none;">页面</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/blog/pages/8309a5b876fc95e3/" class="nav-link">HTML</a></li><li class="dropdown-item"><!----> <a href="/blog/pages/0a83b083bdf257cb/" class="nav-link">CSS</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="技术" class="dropdown-title"><a href="/blog/technology/" class="link-title">技术</a> <span class="title" style="display:none;">技术</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/blog/pages/9a7ee40fc232253e/" class="nav-link">技术文档</a></li><li class="dropdown-item"><!----> <a href="/blog/pages/4c778760be26d8b3/" class="nav-link">GitHub技巧</a></li><li class="dropdown-item"><!----> <a href="/blog/pages/117708e0af7f0bd9/" class="nav-link">Nodejs</a></li><li class="dropdown-item"><!----> <a href="/blog/pages/41f87d890d0a02af/" class="nav-link">博客搭建</a></li></ul></div></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="更多" class="dropdown-title"><a href="/blog/more/" class="link-title">更多</a> <span class="title" style="display:none;">更多</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/blog/pages/f2a556/" class="nav-link">学习</a></li><li class="dropdown-item"><!----> <a href="/blog/pages/aea6571b7a8bae86/" class="nav-link">面试</a></li><li class="dropdown-item"><!----> <a href="/blog/pages/2d615df9a36a98ed/" class="nav-link">心情杂货</a></li><li class="dropdown-item"><!----> <a href="/blog/pages/baaa02/" class="nav-link">实用技巧</a></li><li class="dropdown-item"><!----> <a href="/blog/friends/" class="nav-link">友情链接</a></li></ul></div></div><div class="nav-item"><a href="/blog/about/" class="nav-link">关于</a></div><div class="nav-item"><a href="/blog/pages/beb6c0bd8a66cea6/" class="nav-link">收藏</a></div><div class="nav-item"><div class="dropdown-wrapper"><button type="button" aria-label="索引" class="dropdown-title"><a href="/blog/archives/" class="link-title">索引</a> <span class="title" style="display:none;">索引</span> <span class="arrow right"></span></button> <ul class="nav-dropdown" style="display:none;"><li class="dropdown-item"><!----> <a href="/blog/categories/" class="nav-link">分类</a></li><li class="dropdown-item"><!----> <a href="/blog/tags/" class="nav-link">标签</a></li><li class="dropdown-item"><!----> <a href="/blog/archives/" class="nav-link">归档</a></li></ul></div></div> <a href="https://github.com/heBody/blog" target="_blank" rel="noopener noreferrer" class="repo-link">
- GitHub
- <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></a></nav> <ul class="sidebar-links"><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>初识 TypeScript</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>TypeScript 常用语法</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>ts-axios 项目初始化</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>ts-axios 基础功能实现</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>ts-axios 异常情况处理</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>ts-axios 接口扩展</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>ts-axios 拦截器实现</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>ts-axios 配置化实现</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>ts-axios 取消功能实现</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading open"><span>ts-axios 更多功能实现</span> <span class="arrow down"></span></p> <ul class="sidebar-links sidebar-group-items"><li><a href="/blog/pages/5dce43eba796a2ab/" class="sidebar-link">withCredentials</a></li><li><a href="/blog/pages/390cb70e2b619449/" class="sidebar-link">XSRF 防御</a></li><li><a href="/blog/pages/1376fd897809036e/" class="sidebar-link">上传和下载的进度监控</a></li><li><a href="/blog/pages/89cd6496c23159ae/" class="sidebar-link">HTTP 授权</a></li><li><a href="/blog/pages/40b41ce8e8159567/" class="sidebar-link">自定义合法状态码</a></li><li><a href="/blog/pages/7753b8141663e54a/" class="sidebar-link">自定义参数序列化</a></li><li><a href="/blog/pages/0b9f2ee2b4dbb728/" class="sidebar-link">baseURL</a></li><li><a href="/blog/pages/c26b053540a7dafa/" aria-current="page" class="active sidebar-link">静态方法扩展</a><ul class="sidebar-sub-headers"><li class="sidebar-sub-header level2"><a href="/blog/pages/c26b053540a7dafa/#需求分析" class="sidebar-link">需求分析</a></li><li class="sidebar-sub-header level2"><a href="/blog/pages/c26b053540a7dafa/#代码实现" class="sidebar-link">代码实现</a></li><li class="sidebar-sub-header level2"><a href="/blog/pages/c26b053540a7dafa/#demo-编写" class="sidebar-link">demo 编写</a></li></ul></li></ul></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>ts-axios 单元测试</span> <span class="arrow right"></span></p> <!----></section></li><li><section class="sidebar-group collapsable depth-0"><p class="sidebar-heading"><span>ts-axios 部署与发布</span> <span class="arrow right"></span></p> <!----></section></li></ul> </aside> <div><main class="page"><div class="theme-vdoing-wrapper "><div class="articleInfo-wrap" data-v-06970110><div class="articleInfo" data-v-06970110><ul class="breadcrumbs" data-v-06970110><li data-v-06970110><a href="/blog/" title="首页" class="iconfont icon-home router-link-active" data-v-06970110></a></li> <li data-v-06970110><a href="/blog/note/typescript-axios/#《TypeScript 从零实现 axios》" data-v-06970110>《TypeScript 从零实现 axios》</a></li><li data-v-06970110><a href="/blog/note/typescript-axios/#ts-axios 更多功能实现" data-v-06970110>ts-axios 更多功能实现</a></li></ul> <div class="info" data-v-06970110><div title="作者" class="author iconfont icon-touxiang" data-v-06970110><a href="javascript:;" data-v-06970110>HuangYi</a></div> <div title="创建时间" class="date iconfont icon-riqi" data-v-06970110><a href="javascript:;" data-v-06970110>2020-01-05</a></div> <!----></div></div></div> <!----> <div class="content-wrapper"><div class="right-menu-wrapper"><div class="right-menu-margin"><div class="right-menu-title">目录</div> <div class="right-menu-content"></div></div></div> <h1><img src="data:image/png;base64,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">静态方法扩展<!----></h1> <div class="theme-vdoing-content content__default"><h1 id="静态方法扩展"><a href="#静态方法扩展" class="header-anchor">#</a> 静态方法扩展</h1> <h2 id="需求分析"><a href="#需求分析" class="header-anchor">#</a> 需求分析</h2> <p>官方 axios 库实现了 <code>axios.all</code>、<code>axios.spread</code> 等方法，它们的用法如下：</p> <div class="language-typescript line-numbers-mode"><pre class="language-typescript"><code><span class="token keyword">function</span> <span class="token function">getUserAccount</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token keyword">return</span> axios<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span><span class="token string">'/user/12345'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
- <span class="token punctuation">}</span>
- <span class="token keyword">function</span> <span class="token function">getUserPermissions</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token keyword">return</span> axios<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span><span class="token string">'/user/12345/permissions'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
- <span class="token punctuation">}</span>
- axios<span class="token punctuation">.</span><span class="token function">all</span><span class="token punctuation">(</span><span class="token punctuation">[</span><span class="token function">getUserAccount</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token function">getUserPermissions</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">]</span><span class="token punctuation">)</span>
- <span class="token punctuation">.</span><span class="token function">then</span><span class="token punctuation">(</span>axios<span class="token punctuation">.</span><span class="token function">spread</span><span class="token punctuation">(</span><span class="token keyword">function</span> <span class="token punctuation">(</span>acct<span class="token punctuation">,</span> perms<span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token comment">// Both requests are now complete</span>
- <span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
- </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br></div></div><p>实际上，<code>axios.all</code> 就是 <code>Promise.all</code> 的封装，它返回的是一个 <code>Promise</code> 数组，<code>then</code> 函数的参数本应是一个参数为 <code>Promise resolves</code>（数组）的函数，在这里使用了 <code>axios.spread</code> 方法。所以 <code>axios.spread</code> 方法是接收一个函数，返回一个新的函数，新函数的结构满足 <code>then</code> 函数的参数结构。</p> <p>个人认为 <code>axios</code> 这俩静态方法在目前看来很鸡肋，因为使用 <code>Promise</code> 一样可以完成这俩需求。</p> <div class="language-typescript line-numbers-mode"><pre class="language-typescript"><code><span class="token keyword">function</span> <span class="token function">getUserAccount</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token keyword">return</span> axios<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span><span class="token string">'/user/12345'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
- <span class="token punctuation">}</span>
- <span class="token keyword">function</span> <span class="token function">getUserPermissions</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token keyword">return</span> axios<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span><span class="token string">'/user/12345/permissions'</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
- <span class="token punctuation">}</span>
- <span class="token builtin">Promise</span><span class="token punctuation">.</span><span class="token function">all</span><span class="token punctuation">(</span><span class="token punctuation">[</span><span class="token function">getUserAccount</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token function">getUserPermissions</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">]</span><span class="token punctuation">)</span>
- <span class="token punctuation">.</span><span class="token function">then</span><span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token punctuation">[</span>acct<span class="token punctuation">,</span>perms<span class="token punctuation">]</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token comment">// Both requests are now complete</span>
- <span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">)</span><span class="token punctuation">;</span>
- </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br></div></div><p>在 <code>Promise.all</code> 的 <code>resolve</code> 函数中，我们可以直接通过数组的解构拿到每个请求对应的响应对象。</p> <p>但是为了保持与官网 axios API 一致，我们也在 <code>ts-axios</code> 库中实现这俩方法。</p> <p>官方 axios 库也通过 <code>axios.Axios</code> 对外暴露了 <code>Axios</code> 类(感觉也没有啥使用场景，但为了保持一致，我们也会实现)。</p> <p>另外对于 axios 实例，官网还提供了 <code>getUri</code> 方法在不发送请求的前提下根据传入的配置返回一个 url，如下：</p> <div class="language-typescript line-numbers-mode"><pre class="language-typescript"><code><span class="token keyword">const</span> fakeConfig <span class="token operator">=</span> <span class="token punctuation">{</span>
- baseURL<span class="token operator">:</span> <span class="token string">'https://www.baidu.com/'</span><span class="token punctuation">,</span>
- url<span class="token operator">:</span> <span class="token string">'/user/12345'</span><span class="token punctuation">,</span>
- params<span class="token operator">:</span> <span class="token punctuation">{</span>
- idClient<span class="token operator">:</span> <span class="token number">1</span><span class="token punctuation">,</span>
- idTest<span class="token operator">:</span> <span class="token number">2</span><span class="token punctuation">,</span>
- testString<span class="token operator">:</span> <span class="token string">'thisIsATest'</span>
- <span class="token punctuation">}</span>
- <span class="token punctuation">}</span>
- <span class="token builtin">console</span><span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>axios<span class="token punctuation">.</span><span class="token function">getUri</span><span class="token punctuation">(</span>fakeConfig<span class="token punctuation">)</span><span class="token punctuation">)</span>
- <span class="token comment">// https://www.baidu.com/user/12345?idClient=1&idTest=2&testString=thisIsATest</span>
- </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><h2 id="代码实现"><a href="#代码实现" class="header-anchor">#</a> 代码实现</h2> <p>首先修改类型定义。</p> <p><code>types/index.ts</code>：</p> <div class="language-typescript line-numbers-mode"><pre class="language-typescript"><code><span class="token keyword">export</span> <span class="token keyword">interface</span> <span class="token class-name">AxiosClassStatic</span> <span class="token punctuation">{</span>
- <span class="token keyword">new</span> <span class="token punctuation">(</span>config<span class="token operator">:</span> AxiosRequestConfig<span class="token punctuation">)</span><span class="token operator">:</span> Axios
- <span class="token punctuation">}</span>
- <span class="token keyword">export</span> <span class="token keyword">interface</span> <span class="token class-name">AxiosStatic</span> <span class="token keyword">extends</span> <span class="token class-name">AxiosInstance</span> <span class="token punctuation">{</span>
- <span class="token comment">// ...</span>
- <span class="token generic-function"><span class="token function">all</span><span class="token generic class-name"><span class="token operator"><</span><span class="token constant">T</span><span class="token operator">></span></span></span><span class="token punctuation">(</span>promises<span class="token operator">:</span> <span class="token builtin">Array</span><span class="token operator"><</span><span class="token constant">T</span> <span class="token operator">|</span> <span class="token builtin">Promise</span><span class="token operator"><</span><span class="token constant">T</span><span class="token operator">>></span><span class="token punctuation">)</span><span class="token operator">:</span> <span class="token builtin">Promise</span><span class="token operator"><</span><span class="token constant">T</span><span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token operator">></span>
- <span class="token generic-function"><span class="token function">spread</span><span class="token generic class-name"><span class="token operator"><</span><span class="token constant">T</span><span class="token punctuation">,</span> <span class="token constant">R</span><span class="token operator">></span></span></span><span class="token punctuation">(</span><span class="token function-variable function">callback</span><span class="token operator">:</span> <span class="token punctuation">(</span><span class="token operator">...</span>args<span class="token operator">:</span> <span class="token constant">T</span><span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token constant">R</span><span class="token punctuation">)</span><span class="token operator">:</span> <span class="token punctuation">(</span>arr<span class="token operator">:</span> <span class="token constant">T</span><span class="token punctuation">[</span><span class="token punctuation">]</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token constant">R</span>
- Axios<span class="token operator">:</span> AxiosClassStatic
- <span class="token punctuation">}</span>
- <span class="token keyword">export</span> <span class="token keyword">interface</span> <span class="token class-name">Axios</span> <span class="token punctuation">{</span>
- <span class="token comment">// ...</span>
- <span class="token function">getUri</span><span class="token punctuation">(</span>config<span class="token operator">?</span><span class="token operator">:</span> AxiosRequestConfig<span class="token punctuation">)</span><span class="token operator">:</span> <span class="token builtin">string</span>
- <span class="token punctuation">}</span>
- </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br></div></div><p>然后我们去实现这几个静态方法。</p> <p><code>axios.ts</code>：</p> <div class="language-typescript line-numbers-mode"><pre class="language-typescript"><code>axios<span class="token punctuation">.</span><span class="token function-variable function">all</span> <span class="token operator">=</span> <span class="token keyword">function</span> <span class="token function">all</span><span class="token punctuation">(</span>promises<span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token keyword">return</span> <span class="token builtin">Promise</span><span class="token punctuation">.</span><span class="token function">all</span><span class="token punctuation">(</span>promises<span class="token punctuation">)</span>
- <span class="token punctuation">}</span>
- axios<span class="token punctuation">.</span><span class="token function-variable function">spread</span> <span class="token operator">=</span> <span class="token keyword">function</span> <span class="token function">spread</span><span class="token punctuation">(</span>callback<span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token keyword">return</span> <span class="token keyword">function</span> <span class="token function">wrap</span><span class="token punctuation">(</span>arr<span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token keyword">return</span> <span class="token function">callback</span><span class="token punctuation">.</span><span class="token function">apply</span><span class="token punctuation">(</span><span class="token keyword">null</span><span class="token punctuation">,</span> arr<span class="token punctuation">)</span>
- <span class="token punctuation">}</span>
- <span class="token punctuation">}</span>
- axios<span class="token punctuation">.</span>Axios <span class="token operator">=</span> Axios
- </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br></div></div><p>最后我们去给 Axios 添加实例方法 <code>getUri</code>。</p> <p><code>core/Axios.ts</code>：</p> <div class="language-typescript line-numbers-mode"><pre class="language-typescript"><code><span class="token function">getUri</span><span class="token punctuation">(</span>config<span class="token operator">?</span><span class="token operator">:</span> AxiosRequestConfig<span class="token punctuation">)</span><span class="token operator">:</span> <span class="token builtin">string</span> <span class="token punctuation">{</span>
- config <span class="token operator">=</span> <span class="token function">mergeConfig</span><span class="token punctuation">(</span><span class="token keyword">this</span><span class="token punctuation">.</span>defaults<span class="token punctuation">,</span> config<span class="token punctuation">)</span>
- <span class="token keyword">return</span> <span class="token function">transformURL</span><span class="token punctuation">(</span>config<span class="token punctuation">)</span>
- <span class="token punctuation">}</span>
- </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br></div></div><p>先和默认配置合并，然后再通过 <code>dispatchRequest</code> 中实现的 <code>transformURL</code> 返回一个新的 <code>url</code>。</p> <h2 id="demo-编写"><a href="#demo-编写" class="header-anchor">#</a> demo 编写</h2> <div class="language-typescript line-numbers-mode"><pre class="language-typescript"><code><span class="token keyword">function</span> <span class="token function">getA</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token keyword">return</span> axios<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span><span class="token string">'/more/A'</span><span class="token punctuation">)</span>
- <span class="token punctuation">}</span>
- <span class="token keyword">function</span> <span class="token function">getB</span><span class="token punctuation">(</span><span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token keyword">return</span> axios<span class="token punctuation">.</span><span class="token function">get</span><span class="token punctuation">(</span><span class="token string">'/more/B'</span><span class="token punctuation">)</span>
- <span class="token punctuation">}</span>
- axios<span class="token punctuation">.</span><span class="token function">all</span><span class="token punctuation">(</span><span class="token punctuation">[</span><span class="token function">getA</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token function">getB</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">]</span><span class="token punctuation">)</span>
- <span class="token punctuation">.</span><span class="token function">then</span><span class="token punctuation">(</span>axios<span class="token punctuation">.</span><span class="token function">spread</span><span class="token punctuation">(</span><span class="token keyword">function</span><span class="token punctuation">(</span>resA<span class="token punctuation">,</span> resB<span class="token punctuation">)</span> <span class="token punctuation">{</span>
- <span class="token builtin">console</span><span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>resA<span class="token punctuation">.</span>data<span class="token punctuation">)</span>
- <span class="token builtin">console</span><span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>resB<span class="token punctuation">.</span>data<span class="token punctuation">)</span>
- <span class="token punctuation">}</span><span class="token punctuation">)</span><span class="token punctuation">)</span>
- axios<span class="token punctuation">.</span><span class="token function">all</span><span class="token punctuation">(</span><span class="token punctuation">[</span><span class="token function">getA</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">,</span> <span class="token function">getB</span><span class="token punctuation">(</span><span class="token punctuation">)</span><span class="token punctuation">]</span><span class="token punctuation">)</span>
- <span class="token punctuation">.</span><span class="token function">then</span><span class="token punctuation">(</span><span class="token punctuation">(</span><span class="token punctuation">[</span>resA<span class="token punctuation">,</span> resB<span class="token punctuation">]</span><span class="token punctuation">)</span> <span class="token operator">=></span> <span class="token punctuation">{</span>
- <span class="token builtin">console</span><span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>resA<span class="token punctuation">.</span>data<span class="token punctuation">)</span>
- <span class="token builtin">console</span><span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>resB<span class="token punctuation">.</span>data<span class="token punctuation">)</span>
- <span class="token punctuation">}</span><span class="token punctuation">)</span>
- <span class="token keyword">const</span> fakeConfig <span class="token operator">=</span> <span class="token punctuation">{</span>
- baseURL<span class="token operator">:</span> <span class="token string">'https://www.baidu.com/'</span><span class="token punctuation">,</span>
- url<span class="token operator">:</span> <span class="token string">'/user/12345'</span><span class="token punctuation">,</span>
- params<span class="token operator">:</span> <span class="token punctuation">{</span>
- idClient<span class="token operator">:</span> <span class="token number">1</span><span class="token punctuation">,</span>
- idTest<span class="token operator">:</span> <span class="token number">2</span><span class="token punctuation">,</span>
- testString<span class="token operator">:</span> <span class="token string">'thisIsATest'</span>
- <span class="token punctuation">}</span>
- <span class="token punctuation">}</span>
- <span class="token builtin">console</span><span class="token punctuation">.</span><span class="token function">log</span><span class="token punctuation">(</span>axios<span class="token punctuation">.</span><span class="token function">getUri</span><span class="token punctuation">(</span>fakeConfig<span class="token punctuation">)</span><span class="token punctuation">)</span>
- </code></pre> <div class="line-numbers-wrapper"><span class="line-number">1</span><br><span class="line-number">2</span><br><span class="line-number">3</span><br><span class="line-number">4</span><br><span class="line-number">5</span><br><span class="line-number">6</span><br><span class="line-number">7</span><br><span class="line-number">8</span><br><span class="line-number">9</span><br><span class="line-number">10</span><br><span class="line-number">11</span><br><span class="line-number">12</span><br><span class="line-number">13</span><br><span class="line-number">14</span><br><span class="line-number">15</span><br><span class="line-number">16</span><br><span class="line-number">17</span><br><span class="line-number">18</span><br><span class="line-number">19</span><br><span class="line-number">20</span><br><span class="line-number">21</span><br><span class="line-number">22</span><br><span class="line-number">23</span><br><span class="line-number">24</span><br><span class="line-number">25</span><br><span class="line-number">26</span><br><span class="line-number">27</span><br><span class="line-number">28</span><br><span class="line-number">29</span><br><span class="line-number">30</span><br><span class="line-number">31</span><br></div></div><p>这里我们通过 <code>axios.all</code> 同时发出了 2 个请求，返回了 <code>Promise</code> 数组，，我们可以在 <code>axios.spread</code> 的参数函数中拿到结果，也可以直接在 then 函数的参数函数中拿到结果。另外，我们可以根据 <code>axios.getUri</code> 方法在不发送请求的情况下根据配置得到最终请求的 url 结果。</p> <p>至此，<code>ts-axios</code> 就实现了官网 axios 库在浏览器端的所有需求。如果你学到了这里，先为自己鼓个掌吧，因为我们已经获得了阶段性的学习成果了。</p> <p>目前为止，我们对于所写代码的验证都是通过 demo 的方式，但是 demo 毕竟难以覆盖所有场景和代码分支，为了保证代码的正确性，我们还需要更科学的方式。从下一章开始，我们会学习编写单元测试，通过单元测试的方式来保证我们的代码正确性。</p></div></div> <div class="page-edit"><div class="edit-link"><a href="https://github.com/heBody/blog/edit/master/docs/《TypeScript 从零实现 axios》/10.ts-axios 更多功能实现/08.静态方法扩展.md" target="_blank" rel="noopener noreferrer">编辑</a> <span><svg xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewBox="0 0 100 100" width="15" height="15" class="icon outbound"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path> <polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg> <span class="sr-only">(opens new window)</span></span></div> <div class="tags"><a href="/blog/tags/?tag=TypeScript" title="标签">#TypeScript</a></div> <div class="last-updated"><span class="prefix">上次更新:</span> <span class="time">2022/12/14, 19:36:42</span></div></div> <div class="page-nav-wapper"><div class="page-nav-centre-wrap"><a href="/blog/pages/0b9f2ee2b4dbb728/" class="page-nav-centre page-nav-centre-prev"><div class="tooltip">baseURL</div></a> <a href="/blog/pages/df36888424843793/" class="page-nav-centre page-nav-centre-next"><div class="tooltip">前言</div></a></div> <div class="page-nav"><p class="inner"><span class="prev">
- ←
- <a href="/blog/pages/0b9f2ee2b4dbb728/" class="prev">baseURL</a></span> <span class="next"><a href="/blog/pages/df36888424843793/">前言</a>→
- </span></p></div></div></div> <div class="article-list"><div class="article-title"><a href="/blog/archives/" class="iconfont icon-bi">最近更新</a></div> <div class="article-wrapper"><dl><dd>01</dd> <dt><a href="/blog/pages/922650/"><div>
- Git修改分支名
- <!----></div></a> <span class="date">08-11</span></dt></dl><dl><dd>02</dd> <dt><a href="/blog/pages/55f894/"><div>
- CSS给table的tbody添加滚动条
- <!----></div></a> <span class="date">06-29</span></dt></dl><dl><dd>03</dd> <dt><a href="/blog/pages/829589/"><div>
- 我做了一个手写春联小网页，祝大家虎年暴富
- <span class="title-tag">
- 原创
- </span></div></a> <span class="date">01-28</span></dt></dl> <dl><dd></dd> <dt><a href="/blog/archives/" class="more">更多文章></a></dt></dl></div></div></main></div> <div class="footer"><div class="icons"><a href="mailto:30363811@qq.com" title="发邮件" target="_blank" class="iconfont icon-youjian"></a><a href="https://github.com/heBody" title="GitHub" target="_blank" class="iconfont icon-github"></a></div>
- Copyright © 2016-2022
- <span>Hesb | <a href="https://github.com/heBody/blob" target="_blank">MIT License</a></span></div> <div class="buttons"><div title="返回顶部" class="button blur go-to-top iconfont icon-fanhuidingbu" style="display:none;"></div> <div title="去评论" class="button blur go-to-comment iconfont icon-pinglun" style="display:none;"></div> <div title="主题模式" class="button blur theme-mode-but iconfont icon-zhuti"><ul class="select-box" style="display:none;"><li class="iconfont icon-zidong">
- 跟随系统
- </li><li class="iconfont icon-rijianmoshi">
- 浅色模式
- </li><li class="iconfont icon-yejianmoshi">
- 深色模式
- </li><li class="iconfont icon-yuedu">
- 阅读模式
- </li></ul></div></div> <!----> <!----> <!----></div><div class="global-ui"><div></div></div></div>
- <script src="/blog/assets/js/app.28edfb28.js" defer></script><script src="/blog/assets/js/2.395c0d18.js" defer></script><script src="/blog/assets/js/3.6748bd5c.js" defer></script><script src="/blog/assets/js/198.628c2c1a.js" defer></script>
- </body>
- </html>
|
