{"id":5633,"date":"2017-01-08T18:32:38","date_gmt":"2017-01-08T10:32:38","guid":{"rendered":"https:\/\/sdeno.com\/?p=5633"},"modified":"2024-04-02T17:39:32","modified_gmt":"2024-04-02T09:39:32","slug":"koa2%e7%ac%94%e8%ae%b0","status":"publish","type":"post","link":"https:\/\/sdeno.com\/?p=5633","title":{"rendered":"koa2\u7b14\u8bb0 koa-generator\u811a\u624b\u67b6"},"content":{"rendered":"

koa\u7b14\u8bb0 koa2 \u7b14\u8bb0<\/p>\n

\u4e4b\u524d\u4e00\u76f4\u4f7f\u7528express\u89c9\u5f97\u8fd8\u53ef\u4ee5\uff0c\u4e0d\u4e45express\u56e2\u961f\u53c8\u51fa\u4e86\u4e00\u4e2akoa,\u4e5f\u51fa\u73b0\u4e861\uff0c2\u7248\u672c\uff0c\u76ee\u524d\u5b66\u4e60\u6700\u597d\u4f7f\u7528koa2\uff0c\u4f7f\u7528\u4e86es6\u8bed\u6cd5\u3002\u76f4\u63a5\u4e0a\u5e72\u8d27\uff0c\u4f7f\u7528\u8fc7express\u4e0a\u624b\u642d\u5efa\u4e00\u4e2a\u9879\u76ee\u5176\u5b9e\u5f88\u7b80\u5355\u3002<\/p>\n

\u9996\u5148\uff1a<\/p>\n

npm install koa-generator -g  \/\/\u5168\u5c40\u5b89\u88c5\u8fd9\u4e2a\u5c31\u53ef\u4ee5\u4f7f\u7528koa\u547d\u4ee4\u4e86<\/pre>\n
\u5728\u4f60\u9700\u8981\u521b\u5efakoa\u9879\u76ee\u7684\u76ee\u5f55\u4e0b\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4<\/p>\n
koa2 -e koa2   \/\/\u6b64\u65f6\u5c31\u4f1a\u51fa\u73b0\u4e00\u4e2akoa2\u7684\u76ee\u5f55\uff0c\u5e76\u4e14\u91cc\u9762\u4f1a\u6709\u4e00\u4e9b\u521d\u59cb\u5316\u7684\u6587\u4ef6\r\n\u5982\u679c\u60f3\u4f7f\u7528koa1\u7684\u8bdd\u5c31\r\nkoa -e \u76ee\u5f55\u540d\u79f0 \/\/\u751f\u6210\u7684\u662fkoa1\u7684\u7248\u672c\r\nkoa2 -e \u76ee\u5f55\u540d\u79f0 \/\/\u751f\u6210\u7684\u65f6koa2\u7684\u7248\u672c<\/pre>\n
\u8fdb\u5165\u5230koa2\u76ee\u5f55\u4e0b\uff0c\u63a5\u7740\u5b89\u88c5\u9700\u8981\u7684\u4f9d\u8d56\u6a21\u5757<\/p>\n
npm install<\/pre>\n
\u542f\u52a8koa<\/p>\n
node .\/bin\/www<\/pre>\n
\u6700\u540e\u6253\u5f00\u6d4f\u89c8\u5668\u8f93\u5165\uff1ahttp:\/\/localhost:3000\/ \uff0c\u5c31\u53ef\u4ee5\u770b\u5230\u6211\u4eec\u7f51\u7ad9\u5efa\u7acb\u4e86\u3002<\/p>\n
\u63d0\u793a\uff1a\u5982\u679c\u7b80\u5355\u4f7f\u7528node\u547d\u4ee4\u542f\u52a8koa 2\u62a5\u9519\u53ef\u4ee5\u5c1d\u8bd5\u4f7f\u7528<\/p>\n
node --harmony xx.js<\/pre>\n
\u6765\u542f\u52a8\u6211\u4eec\u7684koa\u9879\u76ee\uff0c\u56e0\u4e3akoa\u6709\u65f6\u5019\u4f1a\u9700\u8981es5\u7684\u4e00\u4e9b\u5c5e\u6027\uff0c\u5e26\u6709–harmony\u53c2\u6570\u624d\u80fd\u591f\u542f\u7528\u90e8\u5206es5\u7684\u529f\u80fd\u3002<\/p>\n
\u8981\u4e48\u5347\u7ea7node.js\u73af\u5883\u52307.6<\/span>\u4ee5\u4e0a<\/p>\n
————————————–<\/p>\n
————————————–<\/p>\n
\u7b80\u5355\u7684\u542f\u52a8web\u670d\u52a1<\/span>,\u8bbf\u95eehttp:\/\/localhost:3000\/<\/p>\n
var Koa =require('koa');\r\nvar app=new Koa();\r\n\r\napp.use(async function (ctx,next) {\r\n  await next();\r\n  ctx.response.type='text\/html';\r\n  ctx.response.body='<div style=\"background: red\">\u4f60\u597d<\/div>';\r\n});\r\n\r\napp.listen(3000);<\/pre>\n
\/\/ koa2\u4e2d\u95f4\u4ef6\u6267\u884c\u987a\u5e8f<\/span> (\u6d0b\u8471\u6a21\u5f0f)
\n\/\/\u6700\u5148\u7684\u4e2d\u95f4\u4ef6\u4f1a\u88ab\u6267\u884c\uff0c\u76f4\u5230\u6267\u884c\u5230\u6700\u540e\u4e00\u4e2a\u4e2d\u95f4\u4ef6\u540e\u53c8\u4f1a\u518d\u6b21\u8fd4\u56de\u6765\uff0c
\n\/\/\u4e2d\u95f4\u4ef6\u5fc5\u987bawait next();\u4e0d\u7136\u5c31\u4e0d\u4f1a\u6267\u884c\u5230\u4e0b\u4e00\u4e2a\u4e2d\u95f4\u4ef6\u4e86\u3002
\n\/\/koa2\u542f\u52a8\u8fd0\u884c\u5176\u5b9e\u5c31\u662f\u5728\u6309\u7740\u6d0b\u8471\u6a21\u5f0f\u6267\u884c\u7740\u4e00\u4e2a\u4e2a\u4e2d\u95f4\u4ef6
\n\/\/\u5982\u679c\u8bf7\u6c42\u4e00\u4e2acss\u6587\u4ef6\u548c\u4e00\u4e2ajs\u6587\u4ef6\uff0c\u76f8\u5f53\u4e8e\u6267\u884c\u4e86\u67d0\u4e2a\u4e2d\u95f4\u4ef6\u4e24\u6b21<\/p>\n
var Koa =require('koa');\r\nvar app=new Koa();\r\n\r\n\r\napp.use(async function (ctx,next) {\r\n  console.log(1); \/\/<--\u6700\u5148\u88ab\u6267\u884c\r\n  await next();\r\n  console.log(2); \/\/<--\u6700\u540e\u88ab\u6267\u884c\r\n});\r\n\r\n\r\napp.use(async function (ctx,next) {\r\n  console.log(3);\r\n  console.log(4);\r\n  await next();\r\n});\r\n\r\n\r\napp.use(async function (ctx,next) {\r\n  await next();\r\n  console.log(5);\r\n  console.log(6);\r\n});\r\n\r\n\r\napp.use(async function (ctx,next) {\r\n  console.log(7);\r\n  await next();\r\n  console.log(8);\r\n});\r\n\r\n\r\napp.listen(3000);\r\n\r\n\/\/ \u7ed3\u679c\r\n\/\/ 1\r\n\/\/ 3\r\n\/\/ 4\r\n\/\/ 7\r\n\/\/ 8\r\n\/\/ 5\r\n\/\/ 6\r\n\/\/ 2<\/pre>\n
\/\/\u5c01\u88c5\u4e00\u4e2a\u4e2d\u95f4\u4ef6<\/span><\/p>\n
\/\/test.js\u4e2d\u95f4\u4ef6<\/p>\n
function log( ctx ) {\r\n  console.log( '\u6267\u884c\u81ea\u5b9a\u4e49\u4e2d\u95f4\u4ef6' )\r\n}\r\n\r\nmodule.exports = function () {\r\n  return async function ( ctx, next ) {\r\n    log(ctx);\r\n   await next()\r\n  }\r\n}<\/pre>\n
\/\/\u52a0\u8f7d\uff0c\u5e76\u8c03\u7528<\/p>\n
var test=require('.\/test');\r\n\r\napp.use(test());<\/pre>\n
*koa@2\u4e2d\u95f4\u4ef6\u53ea\u652f\u6301 async\/await \u5c01\u88c5\u7684\uff0c\u5982\u679c\u8981\u4f7f\u7528koa@1\u57fa\u4e8egenerator\u4e2d\u95f4\u4ef6\uff0c\u9700\u8981\u901a\u8fc7\u4e2d\u95f4\u4ef6koa-convert\u5c01\u88c5\u4e00\u4e0b\u624d\u80fd\u4f7f\u7528<\/p>\n
\u4e2d\u95f4\u4ef6\u4e4b\u95f4\u4f20\u9012\u6570\u636e<\/span><\/p>\n
app.use(async function (ctx,next) {\r\n  ctx.haha='haha';\r\n  await next();\r\n});\r\n\r\n\r\napp.use(async function (ctx,next) {\r\n  await next();\r\n  console.log(ctx.haha); \/\/\u6211\u80fd\u83b7\u53d6\u5230\u4e0a\u4e00\u4e2a\u4e2d\u95f4\u4ef6\u8d4b\u503c\u7684\u53d8\u91cf\r\n});<\/pre>\n
ctx\u4e0a\u4e0b\u6587<\/span>
\nctx.response.type \u53ef\u4ee5\u7f29\u5199\u4e3a ctx.type\uff0c\u8fd4\u56de\u7ed9\u6d4f\u89c8\u5668\u7684\u53c2\u6570
\n\u6709\u7b49\u53f7\uff0c\u8868\u793a\u8fd8\u53ef\u4ee5\u4fee\u6539
\nctx.body
\nctx.body=
\nctx.status
\nctx.status=
\nctx.length=
\nctx.type
\nctx.type= \/\/ ctx.type = ‘text\/plain; charset=utf-8’;
\nctx.headerSent
\nctx.redirect()
\nctx.attachment()
\nctx.set() \/\/ ctx.set(‘Content-Type’, ‘text\/html’)
\nctx.remove()
\nctx.lastModified=
\nctx.etag=
\n—————————
\nctx.request \/\/\u53d1\u9001\u7ed9\u670d\u52a1\u5668\u7aef
\nctx.header \/\/ctx.request.header = {‘authorization’: “Bearer ” + ctx.cookies.get(‘state’)}
\nctx.method
\nctx.method=
\nctx.url
\nctx.url=
\nctx.path
\nctx.path=
\nctx.query
\nctx.query=
\nctx.querystring
\nctx.querystring=
\nctx.length
\nctx.host
\nctx.fresh
\nctx.stale
\nctx.socket
\nctx.protocol
\nctx.secure
\nctx.ip
\nctx.ips
\nctx.subdomains
\nctx.is()
\nctx.accepts()
\nctx.acceptsEncodings()
\nctx.acceptsCharsets()
\nctx.acceptsLanguages()
\nctx.get()<\/p>\n
 <\/p>\n
 <\/p>\n
\u652f\u6301Es6\u7684import\u5bfc\u5165<\/span><\/p>\n
package.json \u7684\u6839\u8282\u70b9\u65b0\u589e “type”: “module”\u00a0 \/\/\u6ce8\u610f\u8981\u00a0v14.15.1\u4ee5\u4e0a\uff0c \u4e0d\u63a8\u8350\u8fd9\u79cd\u5199\u6cd5\uff0c\u8fd9\u6837\u5c31\u4e0d\u652f\u6301commonjs\u8bed\u6cd5\u4e86<\/p>\n
\u6216\u8005\u628a\u8981\u5bfc\u5165\u7684\u6a21\u5757\u6539\u6210\u540e\u7f00\u4e3amjs ,\u00a0 import a from ‘.\/a.mjs’;<\/p>\n
\u4ece Node.js v13.2 \u7248\u672c\u5f00\u59cb<\/p>\n
\n
Node.js \u8981\u6c42 ES6 \u6a21\u5757\u91c7\u7528.mjs\u540e\u7f00\u6587\u4ef6\u540d\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u53ea\u8981\u811a\u672c\u6587\u4ef6\u91cc\u9762\u4f7f\u7528import\u6216\u8005export\u547d\u4ee4\uff0c\u90a3\u4e48\u5c31\u5fc5\u987b\u91c7\u7528.mjs\u540e\u7f00\u540d\u3002Node.js \u9047\u5230.mjs\u6587\u4ef6\uff0c\u5c31\u8ba4\u4e3a\u5b83\u662f ES6 \u6a21\u5757\uff0c\u9ed8\u8ba4\u542f\u7528\u4e25\u683c\u6a21\u5f0f\uff0c\u4e0d\u5fc5\u5728\u6bcf\u4e2a\u6a21\u5757\u6587\u4ef6\u9876\u90e8\u6307\u5b9a”use strict”\u3002<\/div>\n<\/div>\n
 <\/p>\n
 <\/p>\n
\/\/\u533a\u5206\u6d4b\u8bd5\u73af\u5883\u3001\u751f\u4ea7\u73af\u5883<\/span>
\n\u53ef\u80fd\u9700\u8981\u5728\u4e0d\u540c\u73af\u5883\u4e0b\u8dd1\u4e0d\u540c\u7684\u903b\u8f91\uff0c\u8fd9\u65f6\u5019\u5c31\u9700\u8981\u5230
\n\u5b89\u88c5\uff1anpm i cross-env -g \/\/\u4e3awin\u548clinux\u505a\u597d\u4e86\u517c\u5bb9
\n\u542f\u52a8\u6267\u884c\uff1across-env NODE_ENV=production pm2 start .\/1.js \/\/\u4ee5\u751f\u4ea7\u65b9\u5f0f\u542f\u52a8
\n\u83b7\u53d6\u5224\u65ad\u65b9\u6cd5\uff1aprocess.env.NODE_ENV \/\/\u8f93\u51fa production<\/p>\n
cross-env NODE_ENV=production PORT=3001 node .\/1.js
\n\u83b7\u53d6\u7aef\u53e3process.env.PORT<\/p>\n
 <\/p>\n
\u53e6\u4e00\u79cd\u65b9\u6cd5\uff1a<\/p>\n
\"dev\": \".\/node_modules\/.bin\/nodemon bin\/www token=true\",\r\n\r\n\r\n\/\/\u83b7\u53d6 bin\/www xxx1=xxx2  \u540e\u9762\u7684\u53c2\u6570 \u6253\u5370\u51fa { xxx1:xxx2 }\r\nfunction getOption() {\r\n    const arr = process.argv.slice(2); \/\/ \u83b7\u53d6\u547d\u4ee4\u884c\u53c2\u6570\u6570\u7ec4\r\n    const r = arr.reduce((pre, item) => { \/\/ \u4f7f\u7528reduce\u65b9\u6cd5\u5bf9\u53c2\u6570\u6570\u7ec4\u8fdb\u884c\u5904\u7406\r\n        if (item.indexOf(\"=\") !== -1) { \/\/ \u5224\u65ad\u53c2\u6570\u662f\u5426\u6709\u7b49\u53f7\r\n            return [...pre, item.split(\"=\")]; \/\/ \u5c06\u5e26\u6709\u7b49\u53f7\u7684\u53c2\u6570\u8fdb\u884c\u5206\u5272\u5e76\u6dfb\u52a0\u5230\u7ed3\u679c\u6570\u7ec4\u4e2d\r\n        }\r\n        return pre; \/\/ \u5426\u5219\u8fd4\u56de\u539f\u7ed3\u679c\u6570\u7ec4\r\n    }, []);\r\n    const params = Object.fromEntries(r); \/\/ \u5c06\u7ed3\u679c\u6570\u7ec4\u8f6c\u5316\u4e3a\u53c2\u6570\u5bf9\u8c61\r\n    return params; \/\/ \u8fd4\u56de\u53c2\u6570\u5bf9\u8c61\r\n}\r\n\r\n\u8c03\u7528\uff1agetOption().token  \/\/\u83b7\u53d6\u90fdtoken\u7684\u5b57\u6bb5\u503c\r\n<\/pre>\n
 <\/p>\n
 <\/p>\n
 <\/p>\n
 <\/p>\n
 <\/p>\n
\/\/ \u6570\u636e\u8ddf\u8e2a\u76d1\u542c<\/span><\/p>\n
var Koa =require('koa');\r\nvar app=new Koa();\r\n\r\nconst logger = require('koa-logger');\r\n\r\napp.use(logger());\r\n\r\napp.use(async function (ctx,next) {\r\n await next();\r\n ctx.response.type='text\/html';\r\n ctx.response.body='<div style=\"background: red\">\u4f60\u597d<\/div>';\r\n});\r\n\r\napp.listen(3000);<\/pre>\n
<\/div>
<\/div><\/div><\/div>\"https:\/\/sdeno.com\/wp-content\/uploads\/2017\/01\/jianting1.png\"<\/figure>\n
\u521b\u5efa\u4e00\u4e2a\u9875\u9762<\/span><\/p>\n
\u521b\u5efa\u9996\u9875http:\/\/127.0.0.1\/\r\n router.get('\/', function (ctx, next) { \/\/\u9996\u9875\r\n     ctx.body = 'Hello World!';\r\n })<\/pre>\n
\u63a8\u8350\u6b64\u65b9\u6cd5\u521b\u5efa\u9875\u9762\uff1a
\n\u521b\u5efa\u5185\u9875\u5e76\u4e14\u5e262\u4e2a\u53c2\u6570 http:\/\/127.0.0.1\/www\/27\/28<\/p>\n
 router.get('www\/:id\/:age', async function (ctx, next) {\r\n   ctx.state = {\r\n      title:'ffff'+ctx.params.id\r\n   };\r\n   await ctx.render('index', {\r\n   });\r\n })<\/pre>\n
\u00a0get\u4f20\u53c2<\/span><\/p>\n
\/\/page1\u9875\u9762\u4f20\u53c2\r\nrouter.get('page1\/:id\/:age', async function (ctx, next) {\r\n   ctx.state = {\r\n      title:'ffff'+ctx.params.id\r\n   };\r\n   await ctx.render('index', {\r\n   });\r\n})\r\n\r\n\u5730\u5740\uff1ahttp:\/\/xxxx.com\/page1\/\u53c2\u65701\/\u53c2\u65702<\/pre>\n
\/\/\u9996\u9875\u4f20\u53c2\r\nrouter.get(':id\/:age', async function (ctx, next) {\r\n   ctx.state = {\r\n      title:'ffff'+ctx.params.id\r\n   };\r\n   await ctx.render('index', {\r\n   });\r\n})\r\n\r\n\u5730\u5740\uff1ahttp:\/\/xxxx.com\/\u53c2\u65701\/\u53c2\u65702<\/pre>\n
\u8fde\u7f00<\/span><\/p>\n
 router \/\/\u8fd9\u91cc\u662f4\u4e2a\u8def\u7531\r\n .get('\/', function (ctx, next) {\r\n    ctx.body = 'Hello World!';\r\n })\r\n .post('\/users', function (ctx, next) {\r\n    \/\/ ...\r\n })\r\n .put('\/users\/:id', function (ctx, next) {\r\n    \/\/ ...\r\n })\r\n .del('\/users\/:id', function (ctx, next) {\r\n    \/\/ ...\r\n });<\/pre>\n
\u8def\u7531\u56de\u8c03<\/span><\/p>\n
\u4e3a\u67d0\u4e2a\u8def\u7531\u8bbf\u95ee\u6210\u529f\u6dfb\u52a0\u56de\u8c03<\/p>\n
router.get('\/',async (ctx, next) => {\r\n  console.log('1');\r\n  await next(); \/\/\u8981\u52a0\u8fd9\u4e2a\u624d\u80fd\u6267\u884c\u5230all\u56de\u8c03\r\n  console.log('2');\r\n}).all('\/',async function (ctx, next) {\r\n  console.log('3');\r\n});\r\n\r\n\u7ed3\u679c\uff1a\r\n1\r\n3\r\n2\r\n\u8ddf\u4e2d\u95f4\u4ef6\u7684\u6d0b\u8471\u6a21\u5f0f\u4e00\u6837<\/pre>\n
\u8def\u7531\u5168\u5c40\u00a0 \u00a0\uff08\u5f88\u6709\u7528\uff09 \u62e6\u622a\u5668<\/span><\/p>\n
\u6548\u679c\u5c31\u662f\u8bbf\u95ee\u4efb\u610f\u4e00\u4e2aurl\u8def\u7531\u4e4b\u524d\u65f6\uff0c\u90fd\u8981\u6267\u884c\u67d0\u6bb5\u4e1a\u52a1\u903b\u8f91\u3002<\/p>\n
\u4e0d\u7ba1\u5148\u8bbf\u95ee\u9996\u9875\u8fd8\u662fhaha\uff0c\u90fd\u8981\u5148\u6267\u884call\u8def\u7531\u3002<\/p>\n
router.all('*',async function (ctx, next) {\r\n  ctx.state={  \/\/\u5168\u5c40\u53d8\u91cf\uff0c\u5728ejs\u6a21\u677f\u4e2d\u53ef\u4ee5\u76f4\u63a5\u663e\u793a\u51fa\uff0c\u5982<%= web %>\r\n      web:'http:\/\/localhost:3000',\r\n      title:'111'\r\n  }\r\n  await next(); \/\/\u5fc5\u987b\u52a0\u8fd9\u4e2a\r\n});\r\n\r\nrouter.get('\/',async (ctx, next) => {\r\n  \/\/ctx.state,\u53ef\u4ee5\u83b7\u53d6\u5230\u521d\u59cb\u53d8\u91cf\r\n  ctx.type='json';\r\n  ctx.body={xx:'123'};\r\n});\r\n\r\nrouter.get('haha',async (ctx, next) => {\r\n  ctx.body='haha';\r\n});\r\n\r\n\r\n\r\n\r\n<\/pre>\n
\u6216\u8005<\/p>\n
router.use(async (ctx,next)=>{\r\n\r\n    \/\/\u5168\u5c40\u7684G\u53d8\u91cf\r\n    ctx.state.G={\r\n        url:'http:\/\/www.itying.com',\r\n        userinfo:111,\r\n        prevPage:222   \/*\u4e0a\u4e00\u9875\u7684\u5730\u5740*\/\r\n    }\r\n    await next();\r\n})\r\n\r\nrouter.use('\/',index.routes());\r\nrouter.use('\/admin',admin.routes());<\/pre>\n
\u524d\u7f00<\/span><\/p>\n
\u00a0const router = new Router({\r\n    prefix: '\/users'\r\n });\r\n\r\n router.get('\/', ...); \/\/\u5b9e\u9645\u7684\u54cd\u5e94\u8def\u5f84\u662f\uff1a\/users\r\n router.get('\/:id', ...); \/\/\u5b9e\u9645\u7684\u54cd\u5e94\u8def\u5f84\u662f\uff1a\/users\/:id<\/pre>\n
\u4e3a\u4e00\u4e2a\u8def\u7531\u547d\u540d<\/span><\/p>\n
router.get('home',':haha\/:vv', function (ctx, next) { \/\/\u4e3a\u9996\u9875\u7684\u8def\u7531\u547d\u540d\u4e3ahome\r\n ctx.body = 'Hello World!';\r\n router.url('home', 3,'age') \/\/\u7b2c\u4e00\u6b21\u53c2\u6570\u586b\u5199\u8def\u7531\u540d\u79f0\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u5f00\u59cb\u586b\u5199\u81ea\u5b9a\u4e49\u53c2\u6570\uff0c\u8f93\u51fa:\/3\/age\r\n})<\/pre>\n
\u8def\u7531\u4f7f\u7528\u4e2d\u95f4\u4ef6<\/span><\/p>\n
 router.use(session(), authorize()); \/\/\u6240\u6709\u8def\u7531\u90fd\u4f7f\u7528\u8fd9\u4e24\u4e2a\u4e2d\u95f4\u4ef6\r\n router.use('\/users', userAuth()); \/\/\u53ea\u6709\u8df3\u8f6c\u5230\/users\u9875\u9762\u65f6\u4f7f\u7528 \u8fd9\u4e2a\u4e2d\u95f4\u4ef6\r\n router.use(['\/users', '\/admin'], userAuth()); \/\/\u53ea\u6709\u8fd9\u4e24\u4e2a\u9875\u9762\u53ef\u4ee5\u4f7f\u7528\r\n app.use(router.routes()); \/\/\u4e0a\u9762\u662f\u8bbe\u7f6e\uff0c\u6b64\u6b65\u9aa4\u662f\u542f\u52a8<\/pre>\n
\u5355\u4e2a\u8def\u7531\u652f\u6301\u591a\u4e2a\u4e2d\u95f4\u4ef6\u6267\u884c<\/p>\n
\/\/child.js\r\n\r\nfunction log( ctx ) {\r\n  console.log( '\u6267\u884c\u81ea\u5b9a\u4e49\u4e2d\u95f4\u4ef6' )\r\n}\r\n\r\nmodule.exports = function () {\r\n  return async function ( ctx, next ) {\r\n    log(ctx);\r\n    await next()\r\n  }\r\n};<\/pre>\n
var child=require('.\/child');\r\n\r\nrouter.get('\/',\r\n  child(), \/\/\u4e00\u4e2a\u4e2d\u95f4\u4ef6\r\n  async (ctx,next)=>{ \/\/\u4e00\u4e2a\u4e2d\u95f4\u4ef6\r\n     console.log(11111);\r\n     await next();\r\n  },\r\n  async (ctx, next) => {\r\n     await ctx.render('index',{\r\n       title:'xxxxx'\r\n     })\r\n});<\/pre>\n
\u91cd\u5b9a\u5411\u3001\u9875\u9762\u8df3\u8f6c<\/span><\/p>\n
 ctx.redirect('http:\/\/localhost:3000\/www\/123\/456')<\/pre>\n
app.use(async function (ctx,next) {   \/\/\u8bbf\u95ee\u5230\u9996\u9875\u5c31\u81ea\u52a8\u8df3\u8f6c\u5230\/wucg\u76ee\u5f55\u3002\u50cfapache\u3001nginx\u4e5f\u80fd\u5b9e\u73b0\r\n  if(ctx.originalUrl=='\/'){\r\n    ctx.response.redirect('\/wucg');\r\n  }\r\n  await next();\r\n});\r\n\r\nrouter.use('\/wucg',index.routes(),index2.routes());\r\nrouter.use('\/admin',admin.routes());\r\n\r\napp.use(router.routes(), router.allowedMethods());<\/pre>\n
\/\/\u8ba9\u9875\u9762\u62a5\u9519 \u629b\u9519<\/span><\/p>\n
\/\/\u5168\u5c40\uff0c\u5728\u4e00\u4e2a\u8def\u7531\u4e0a\u8bbe\u7f6e\uff0c\u4f1a\u8ba9\u6240\u6709\u63a5\u53e3\u90fd\u62a5400\r\nctx.throw([msg],[status],[properties])\r\nctx.throw(400, 'name required');\r\n\r\n\/\/\u5c40\u90e8\uff0c\u5355\u4e2a\u63a5\u53e3\u62a5\u9519\r\nrouter.post('\/hnsy-app\/aed\/pageAedInfo',async (ctx, next)=>{\r\n    await new Promise((a,b)=>{\r\n\r\n        setTimeout(()=>{\r\n            ctx.status=500\r\n            a()\r\n        },8000)\r\n\r\n    })\r\n\r\n})<\/pre>\n
SSL\u3001https<\/span><\/p>\n
node.js\u914d\u7f6essl\u3001http2<\/a><\/p><\/blockquote>\n