{"id":2386,"date":"2020-02-01T18:42:42","date_gmt":"2020-02-01T10:42:42","guid":{"rendered":"http:\/\/www.yuguoxy.com\/geekhome\/?p=2386"},"modified":"2021-06-25T20:19:12","modified_gmt":"2021-06-25T12:19:12","slug":"koa2-%e4%bb%8e%e5%85%a5%e9%97%a8%e5%88%b0%e8%bf%9b%e9%98%b6%e5%85%ad-%e9%9d%99%e6%80%81%e8%b5%84%e6%ba%90","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=2386","title":{"rendered":"koa2 \u4ece\u5165\u95e8\u5230\u8fdb\u9636(\u516d)-\u9759\u6001\u8d44\u6e90"},"content":{"rendered":"<p>\u4e4b\u524d\u7684\u6587\u7ae0\u6211\u4eec\u4ecb\u7ecd\u4e86\u4e00\u4e0b koa post\u63d0\u4ea4\u6570\u636e\u53ca koa-bodyparser\u4e2d\u95f4\u4ef6\uff0c\u672c\u7bc7\u6587\u7ae0\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u00a0koa-static\u9759\u6001\u8d44\u6e90\u4e2d\u95f4\u4ef6\u3002<\/p>\n<p>\u6211\u4eec\u5728\u4e4b\u524d\u7684\u76ee\u5f55\u60f3\u5f15\u5165\u5916\u90e8\u7684 js\uff0ccss\uff0cimg \u7b49\u9759\u6001\u8d44\u6e90\u8be5\u5982\u4f55\u83b7\u53d6\u5462\uff1f\u6211\u4eec\u9996\u5148\u5148\u6309\u7167\u4e4b\u524d\u7684\u601d\u7ef4\u6309\u7167\u76f8\u5bf9\u8def\u5f84\u53bb\u67e5\u627e\uff0c\u5982\u4e0b\u56fe\uff1a<\/p>\n<p>&nbsp;<\/p>\n<p>\u6211\u4eec\u5728 index.ejs \u6587\u4ef6\u4e2d\u6309\u7167\u76f8\u5bf9\u8def\u5f84\u5206\u522b\u5f15\u5165\u4e86\u4e00\u4e2a style.css \u6587\u4ef6\u548c\u4e00\u4e2a img \u56fe\u7247\uff0c<\/p>\n<p>app.js \u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n<p>[java]<br \/>\n\/\/\u5f15\u5165 koa\u6a21\u5757<br \/>\nconst Koa = require(&#8216;koa&#8217;);<br \/>\nconst Router = require(&#8216;koa-router&#8217;);<br \/>\nconst views = require(&#8216;koa-views&#8217;);<\/p>\n<p>\/\/\u5b9e\u4f8b\u5316<br \/>\nconst app = new Koa();<br \/>\nconst router = new Router();<\/p>\n<p>\/\/\u914d\u7f6e\u6a21\u677f\u5f15\u64ce\u4e2d\u95f4\u4ef6<br \/>\napp.use(views(&#8216;views&#8217;, {<br \/>\n    extension: &#8216;ejs&#8217;<br \/>\n}));<\/p>\n<p>router.get(&#8216;\/&#8217;, async (ctx) =&gt; {<br \/>\n    await ctx.render(&#8216;index&#8217;, {});<br \/>\n});<\/p>\n<p>\/\/\u542f\u52a8\u8def\u7531<br \/>\napp.use(router.routes());<br \/>\napp.use(router.allowedMethods());<\/p>\n<p>app.listen(3000);<br \/>\n[\/java]<\/p>\n<p>\u9875\u9762\u663e\u793a\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n<p>&nbsp;<\/p>\n<p>\u5728\u63a7\u5236\u53f0\u53ef\u4ee5\u770b\u51fa\u6211\u4eec\u5e76\u6ca1\u6709\u6210\u529f\u5f15\u5165\u4e24\u4e2a\u6587\u4ef6\u3002<\/p>\n<p>\u6211\u4eec\u901a\u8fc7\u770b\u62a5\u9519\u7684 url \u5730\u5740\u00a0http:\/\/localhost:3000\/static\/css\/style.css \u548c\u00a0http:\/\/localhost:3000\/static\/img\/1.jpg \u53ef\u4ee5\u770b\u51fa\uff0c\u6211\u4eec\u5e76\u6ca1\u6709\u5728 app.js \u4e2d\u5b9a\u4e49 \/static \u7684\u8def\u7531\u5730\u5740\uff0c\u6240\u4ee5\u67e5\u4e0d\u5230\uff0c\u90a3\u6211\u4eec\u5c31\u53ef\u4ee5\u5229\u7528\u4e4b\u524d\u8bf4\u8fc7\u7684\u4e2d\u95f4\u4ef6\u5148\u5f15\u5165\u8fd9\u4e2a\u8def\u7531\u5c31\u53ef\u4ee5\u5f15\u5165\u8fd9\u4e9b\u9759\u6001\u8d44\u6e90\u4e86\u3002<\/p>\n<p>\u6211\u4eec\u9700\u8981\u7528\u5230\u4e00\u4e2a koa-static \u6a21\u5757\uff0c\u8ddf\u4e4b\u524d\u4e00\u6837\uff0c\u5148\u5b89\u88c5\u8be5\u6a21\u5757<\/p>\n<blockquote><p>npm install koa-static &#8211;save<\/p><\/blockquote>\n<p>\u7136\u540e\u6211\u4eec\u5728 app.js \u4e2d\u770b\u5982\u4f55\u4f7f\u7528 koa-static \u6a21\u5757<\/p>\n<p>[java]<br \/>\n\/\/\u5f15\u5165 koa\u6a21\u5757<br \/>\nconst Koa = require(&#8216;koa&#8217;);<br \/>\nconst Router = require(&#8216;koa-router&#8217;);<br \/>\nconst views = require(&#8216;koa-views&#8217;);<br \/>\nconst static = require(&#8216;koa-static&#8217;);<\/p>\n<p>\/\/\u5b9e\u4f8b\u5316<br \/>\nconst app = new Koa();<br \/>\nconst router = new Router();<\/p>\n<p>\/\/\u914d\u7f6e\u9759\u6001\u8d44\u6e90\u4e2d\u95f4\u4ef6<br \/>\napp.use(static(__dirname + &quot;static&quot;));<br \/>\n\/\/\u914d\u7f6e\u6a21\u677f\u5f15\u64ce\u4e2d\u95f4\u4ef6<br \/>\napp.use(views(&#8216;views&#8217;, {<br \/>\n    extension: &#8216;ejs&#8217;<br \/>\n}));<\/p>\n<p>router.get(&#8216;\/&#8217;, async (ctx) =&gt; {<br \/>\n    await ctx.render(&#8216;index&#8217;, {});<br \/>\n});<\/p>\n<p>\/\/\u542f\u52a8\u8def\u7531<br \/>\napp.use(router.routes());<br \/>\napp.use(router.allowedMethods());<\/p>\n<p>app.listen(3000);<br \/>\n[\/java]<\/p>\n<p>\u5728 app.js \u4e2d\uff0c\u6211\u4eec\u5148\u5f15\u5165\u4e86 koa-static \u6a21\u5757\uff0c\u7136\u540e\u901a\u8fc7 app.use(static(__dirname + &#8220;\/static&#8221;))\uff1b\u6765\u5f15\u5165\u6211\u4eec\u7684\u9759\u6001\u8d44\u6e90\uff0c\u5176\u4e2d __dirname \u662f\u6211\u4eec\u5f53\u524d\u76ee\u5f55\u7edd\u5bf9\u8def\u5f84\u7684\u610f\u601d\uff0c\u5f53\u7136\u6211\u4eec\u4e5f\u53ef\u4ee5\u5199\u6210\u00a0app.use(static(&#8220;.\/static&#8221;))\u3002<\/p>\n<p>\u5f15\u5165\u4e0a\u9762\u7684\u4e2d\u95f4\u4ef6\u7684\u610f\u601d\u662f\u6211\u4eec\u5148\u53bb\u5339\u914d &#8220;static&#8221; \u76ee\u5f55\u4e0b\u7684\u5185\u5bb9\uff0c\u7136\u540e\u518d\u6267\u884c\u63a5\u4e0b\u6765\u7684\u7a0b\u5e8f\uff0c\u8fd9\u65f6\u6211\u4eec\u5c06 index.ejs \u6587\u4ef6\u6539\u4e3a\u5982\u4e0b\uff1a<\/p>\n<p>&nbsp;<\/p>\n<p>\u5982\u4e0a\u56fe\u6240\u793a\uff0c\u6211\u4eec\u5c06\u6211\u4eec\u7684\u5f15\u7528\u8def\u5f84\u76f4\u63a5\u6539\u4e3a static \u4e0b\u7684\u6587\u4ef6\uff0c\u8fd0\u884c\u7ed3\u679c\u5982\u4e0b\uff1a<\/p>\n<p>&nbsp;<\/p>\n<p>\u6837\u5f0f\u548c\u56fe\u7247\u90fd\u5f15\u5165\u4e86\uff0c\u8bf4\u660e\u6210\u529f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e4b\u524d\u7684\u6587\u7ae0\u6211\u4eec\u4ecb\u7ecd\u4e86\u4e00\u4e0b koa post\u63d0\u4ea4\u6570\u636e\u53ca koa-bodyparser\u4e2d\u95f4\u4ef6\uff0c\u672c\u7bc7\u6587\u7ae0\u6211\u4eec\u6765\u770b\u4e00\u4e0b [&hellip;]<\/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":[],"_links":{"self":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2386"}],"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=2386"}],"version-history":[{"count":3,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2386\/revisions"}],"predecessor-version":[{"id":3269,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2386\/revisions\/3269"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2386"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2386"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2386"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}