{"id":2382,"date":"2020-02-01T18:40:18","date_gmt":"2020-02-01T10:40:18","guid":{"rendered":"http:\/\/www.yuguoxy.com\/geekhome\/?p=2382"},"modified":"2026-08-18T12:35:23","modified_gmt":"2026-08-18T04:35:23","slug":"koa2-%e4%bb%8e%e5%85%a5%e9%97%a8%e5%88%b0%e8%bf%9b%e9%98%b6%e5%9b%9b-ejs%e6%a8%a1%e6%9d%bf","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=2382","title":{"rendered":"koa2 \u4ece\u5165\u95e8\u5230\u8fdb\u9636(\u56db)-ejs\u6a21\u677f"},"content":{"rendered":"
\n

\u4e0a\u4e00\u7bc7\u8bb2\u4e86 Koa \u4e2d\u95f4\u4ef6\u548c\u6d0b\u8471\u6a21\u578b\u3002\u8fd9\u4e00\u7bc7\u628a ctx.body<\/code> \u6362\u6210\u6a21\u677f\u6e32\u67d3\uff1a\u5728 Koa \u91cc\u7528 ejs<\/strong> \u8f93\u51fa\u9875\u9762\u3002<\/p>\n

Express \u91cc\u5e38\u7528 ejs\uff1bKoa \u540c\u6837\u53ef\u4ee5\uff0c\u9700\u8981 koa-views<\/code> \u548c ejs<\/code> \u4e24\u4e2a\u6a21\u5757\u3002\u6a21\u677f\u8bed\u6cd5\u672c\u8eab\u89c1\u5b98\u7f51 https:\/\/ejs.bootcss.com\/<\/a>\uff0c\u8fd9\u91cc\u53ea\u8bb2\u5728 Koa \u91cc\u600e\u4e48\u63a5\u4e0a\u3002<\/p>\n

\u4e00\u3001\u5b89\u88c5 koa-views \u4e0e ejs<\/h2>\n
npm install koa-views --save \/ cnpm install koa-views --save\nnpm install ejs --save \/ cnpm install ejs --save<\/code><\/pre>\n\n\n\n\n\n\n
\u914d\u7f6e<\/th>\nviews \u9009\u9879<\/th>\n\u6a21\u677f\u6587\u4ef6<\/th>\n<\/tr>\n<\/thead>\n
\u6309 html \u540e\u7f00<\/td>\nmap: { html: ‘ejs’ }<\/td>\nviews\/index.html<\/td>\n<\/tr>\n
\u6309 ejs \u540e\u7f00\uff08\u672c\u6587\u91c7\u7528\uff09<\/td>\nextension: ‘ejs’<\/td>\nviews\/index.ejs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u7b2c\u4e00\u4e2a\u53c2\u6570 'views'<\/code> \u662f\u6a21\u677f\u76ee\u5f55\uff0c\u9879\u76ee\u91cc\u8981\u5efa\u540c\u540d\u6587\u4ef6\u5939\u653e\u6a21\u677f\u3002\u82e5\u6587\u4ef6\u4ee5 .html<\/code> \u7ed3\u5c3e\uff0c\u89e3\u5f00 map \u90a3\u6bb5\u6ce8\u91ca\u3001\u5173\u6389 extension \u5373\u53ef\u3002<\/p>\n
\u4e8c\u3001\u5728 app.js \u91cc\u63a5\u5165\u6a21\u677f<\/h2>\n
\u7528\u5e94\u7528\u7ea7\u4e2d\u95f4\u4ef6\u5f80 ctx.state<\/code> \u6302\u516c\u5171\u6570\u636e\uff0c\u6bcf\u4e2a\u9875\u9762\u90fd\u80fd\u5f15\u7528\u3002\u8def\u7531\u91cc\u4e0d\u518d\u5199 ctx.body<\/code>\uff0c\u6539\u6210 ctx.render('index', { title, list })<\/code>\uff1a\u7b2c\u4e00\u4e2a\u53c2\u6570\u662f views<\/code> \u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u540d\uff08\u4e0d\u542b\u540e\u7f00\uff09\uff0c\u5bf9\u8c61\u91cc\u662f\u8981\u4f20\u7ed9\u6a21\u677f\u7684\u6570\u636e\u3002<\/p>\n
\/\/\u5f15\u5165 koa\u6a21\u5757\nconst Koa = require('koa');\nconst Router = require('koa-router');\nconst views = require('koa-views');\n\n\/\/\u5b9e\u4f8b\u5316\nconst app = new Koa();\nconst router = new Router();\n\n\/\/\u914d\u7f6e\u6a21\u677f\u5f15\u64ce\u4e2d\u95f4\u4ef6\n\n\/\/ \u6a21\u677f\u7684\u540e\u7f00\u540d\u662f.html\n\/\/ app.use(views('views', {\n\/\/     map: {html: 'ejs'}\n\/\/ }));\n\/\/ \u6a21\u677f\u7684\u540e\u7f00\u540d\u662f.html\napp.use(views('views', {\n    extension: 'ejs'\n}));\n\n\/\/\u5199\u4e00\u4e2a\u4e2d\u95f4\u4ef6\u914d\u7f6e\u516c\u5171\u7684\u4fe1\u606f\napp.use(async (ctx, next) => {\n    ctx.state.commonData = \"\u8fd9\u662f\u4e00\u4e2a\u516c\u6709\u6570\u636e\uff0c\u6bcf\u4e2a\u9875\u9762\u90fd\u80fd\u5f15\u7528\";\n    \/\/ \u7ee7\u7eed\u5411\u4e0b\u5339\u914d\u8def\u7531\n    await next();\n});\n\nrouter.get('\/', async (ctx) => {\n    let title = \"hello world\";\n    let list = [\"aaa\", \"bbb\", \"ccc\"];\n\n    await ctx.render('index', {\n        title,\n        list,\n    });\n});\n\nrouter.get('\/news', async (ctx) => {\n    await ctx.render('news', {});\n});\n\n\/\/\u542f\u52a8\u8def\u7531\napp.use(router.routes());\napp.use(router.allowedMethods());\n\napp.listen(3000);<\/code><\/pre>\n
\u4e09\u3001index.ejs \u4e0e news.ejs<\/h2>\n
\u6a21\u677f\u91cc\u7528 <% %><\/code> \u8dd1\u903b\u8f91\u3001<%= %><\/code> \u8f93\u51fa\u53d8\u91cf\u3002\u539f\u6587 index.ejs<\/code> \u5199\u6210\u4e86 commenData<\/code>\uff0c\u4e0e\u4e2d\u95f4\u4ef6\u91cc\u7684 commonData<\/code> \u5bf9\u4e0d\u4e0a\uff0c\u4e0b\u9762\u6309\u80fd\u8dd1\u901a\u7684\u540d\u5b57\u5199\u51fa\u3002<\/p>\n
<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <title><\/title>\n<\/head>\n<body>\n    <% include blocks\/header.ejs %>\n    <p><%= commonData %><\/p>\n    <p><%= title %><\/p>\n    <ul>\n        <% for(var i = 0;i < list.length;i++){ %>\n            <li><%= list[i] %><\/li>\n        <% } %>\n    <\/ul>\n<\/body>\n<\/html><\/code><\/pre>\n
news.ejs<\/code>\uff08\u539f\u6587\u6587\u4ef6\u540d\u5199\u6210 new.ejs\uff0c\u5e94\u5bf9\u5e94\u8def\u7531\u91cc\u7684 news<\/code>\uff09\uff1a<\/p>\n
<!DOCTYPE html>\n<html lang=\"en\">\n<head>\n    <meta charset=\"UTF-8\">\n    <title><\/title>\n<\/head>\n<body>\n<% include blocks\/header.ejs %>\n<h2><%= commonData %><\/h2>\n<\/body>\n<\/html><\/code><\/pre>\n
\u516c\u5171\u6570\u636e\u3001title\u3001\u5217\u8868\u90fd\u80fd\u51fa\u73b0\u5728\u9875\u9762\u4e0a\uff0c\u8bf4\u660e\u6a21\u677f\u5f15\u64ce\u5df2\u7ecf\u63a5\u597d\u3002ejs \u8fd0\u7b97\u7b26\u53f7\u7ec6\u8282\u4ecd\u4ee5\u5b98\u7f51\u4e3a\u51c6\u3002<\/p>\n
\n
\u4e00\u53e5\u8bdd\u603b\u7ed3\uff1aKoa \u7528 koa-views + ejs\uff1b\u516c\u5171\u6570\u636e\u653e ctx.state\uff0c\u9875\u9762\u7528 ctx.render \u6e32\u67d3 views \u76ee\u5f55\u4e0b\u7684\u6a21\u677f\u3002<\/strong><\/p>\n<\/blockquote>\n<\/section>\n","protected":false},"excerpt":{"rendered":"
\u4e0a\u4e00\u7bc7\u8bb2\u4e86 Koa \u4e2d\u95f4\u4ef6\u548c\u6d0b\u8471\u6a21\u578b\u3002\u8fd9\u4e00\u7bc7\u628a ctx.body \u6362\u6210\u6a21\u677f\u6e32\u67d3\uff1a\u5728 Koa \u91cc\u7528 ejs \u8f93\u51fa […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[107,105],"tags":[208],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2382"}],"collection":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2382"}],"version-history":[{"count":2,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2382\/revisions"}],"predecessor-version":[{"id":3267,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2382\/revisions\/3267"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2382"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2382"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2382"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}