{"id":278,"date":"2023-09-12T23:55:00","date_gmt":"2023-09-12T15:55:00","guid":{"rendered":"http:\/\/gjweb.top\/?p=278"},"modified":"2023-09-12T23:55:16","modified_gmt":"2023-09-12T15:55:16","slug":"koa%e7%8e%af%e5%a2%83%e6%90%ad%e5%bb%ba","status":"publish","type":"post","link":"https:\/\/gjweb.top\/?p=278","title":{"rendered":"Koa2 \u811a\u624b\u67b6\u5feb\u901f\u642d\u5efa\u9879\u76ee"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\" id=\"\u4f7f\u7528\u811a\u624b\u67b6\u521b\u5efa\u9879\u76ee\">\u4f7f\u7528\u811a\u624b\u67b6\u521b\u5efa\u9879\u76ee<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>npm install -g koa-generator<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u521b\u5efa\u9879\u76ee\">\u521b\u5efa\u9879\u76ee<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>koa2 \u9879\u76ee\u540d<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u8fd0\u884c\u9879\u76ee\">\u8fd0\u884c\u9879\u76ee<\/h2>\n\n\n\n<pre class=\"wp-block-code\"><code>yarn start \u9879\u76ee\u540d <\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u8def\u7531\u521b\u5efa\">\u8def\u7531\u521b\u5efa<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 routers \u4e2d\u65b0\u5efa\u6587\u4ef6\u5939 xxx.js<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const router = require('koa-router')()<br>router.prefix('\/api') \/\/\u6839\u76ee\u5f55<br>\u200b<br>router.get(\"\/userList\",async ()=&gt;{<br> &nbsp; &nbsp;console.log(\"\u8fd9\u662f\u4e00\u4e2aget\u8bf7\u6c42\")<br>})<br>\u200b<br>router.post(\"\/adduser\",async ()=&gt;{<br> &nbsp; &nbsp;console.log(\"\u8fd9\u662f\u4e00\u4e2apost\u8bf7\u6c42\")<br>})<br>mmodule.exports = router<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 app.js \u6587\u4ef6\u52a0\u5165\u8def\u7531\u4e2d\u95f4\u4ef6<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>const comments = require('.\/routes\/comments')<br>app.use(comments.routes(), comments.allowedMethods())<\/code><\/pre>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"\u90e8\u7f72\u76f8\u5173\u95ee\u9898\">\u90e8\u7f72\u76f8\u5173\u95ee\u9898<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"\u6d4f\u89c8\u5668\u8de8\u57df\u5e76\u5f00\u542f\u4e86options\u9884\u68c0\u673a\u5236\">\u6d4f\u89c8\u5668\u8de8\u57df\u5e76\u5f00\u542f\u4e86options\u9884\u68c0\u673a\u5236<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728 app.js \u6587\u4ef6\u4e2d\u7684\u6dfb\u52a0\u4e2d\u95f4\u4ef6, \u653e\u5728\u6240\u6709\u4e2d\u95f4\u4ef6\u7684\u6700\u4e0a\u9762<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>app.use(async (ctx, next)=> {\r\n  ctx.set('Access-Control-Allow-Origin', '*');\r\n  ctx.set('Access-Control-Allow-Headers', 'Content-Type, Content-Length, Authorization, Accept, X-Requested-With , yourHeaderFeild');\r\n  ctx.set('Access-Control-Allow-Methods', 'PUT, POST, GET, DELETE, OPTIONS');\r\n  if (ctx.method == 'OPTIONS') {\r\n    ctx.body = 200; \r\n  } else {\r\n    await next();\r\n  }\r\n});<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528\u811a\u624b\u67b6\u521b\u5efa\u9879\u76ee \u521b\u5efa\u9879\u76ee \u8fd0\u884c\u9879\u76ee \u8def\u7531\u521b\u5efa \u5728 routers \u4e2d\u65b0\u5efa\u6587\u4ef6\u5939 xxx.js \u5728 app. [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36],"tags":[],"class_list":["post-278","post","type-post","status-publish","format-standard","hentry","category-koa2"],"_links":{"self":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts\/278","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=278"}],"version-history":[{"count":3,"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts\/278\/revisions"}],"predecessor-version":[{"id":816,"href":"https:\/\/gjweb.top\/index.php?rest_route=\/wp\/v2\/posts\/278\/revisions\/816"}],"wp:attachment":[{"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=278"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=278"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/gjweb.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=278"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}