{"id":2388,"date":"2020-02-01T18:43:38","date_gmt":"2020-02-01T10:43:38","guid":{"rendered":"http:\/\/www.yuguoxy.com\/geekhome\/?p=2388"},"modified":"2021-06-25T20:19:32","modified_gmt":"2021-06-25T12:19:32","slug":"koa2-%e4%bb%8e%e5%85%a5%e9%97%a8%e5%88%b0%e8%bf%9b%e9%98%b6%e4%b8%83-cookie%e4%b8%8esession","status":"publish","type":"post","link":"https:\/\/ai.zhousir.top\/?p=2388","title":{"rendered":"koa2 \u4ece\u5165\u95e8\u5230\u8fdb\u9636(\u4e03)-cookie\u4e0esession"},"content":{"rendered":"

\u4e4b\u524d\u7684\u6587\u7ae0\u6211\u4eec\u4ecb\u7ecd\u4e86\u4e00\u4e0b koa\u00a0koa-static\u9759\u6001\u8d44\u6e90\u4e2d\u95f4\u4ef6\uff0c\u672c\u7bc7\u6587\u7ae0\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u00a0koa \u4e2d cookie \u548c session \u7684\u4f7f\u7528\u3002<\/p>\n

\n
\n
\n

cookie\u00a0\u662f\u5b58\u50a8\u4e8e\u8bbf\u95ee\u8005\u7684\u8ba1\u7b97\u673a\u4e2d\u7684\u53d8\u91cf\u3002\u53ef\u4ee5\u8ba9\u6211\u4eec\u7528\u540c\u4e00\u4e2a\u6d4f\u89c8\u5668\u8bbf\u95ee\u540c\u4e00\u4e2a\u57df\u540d\u7684\u65f6\u5019\u5171\u4eab\u6570\u636e\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\n
\n
\n

HTTP \u662f\u65e0\u72b6\u6001\u534f\u8bae\u3002\u7b80\u5355\u5730\u8bf4\uff0c\u5f53\u4f60\u6d4f\u89c8\u4e86\u4e00\u4e2a\u9875\u9762\uff0c\u7136\u540e\u8f6c\u5230\u540c\u4e00\u4e2a\u7f51\u7ad9\u7684\u53e6\u4e00\u4e2a\u9875 \u9762\uff0c\u670d\u52a1\u5668\u65e0\u6cd5\u8ba4\u8bc6\u5230\u8fd9\u662f\u540c\u4e00\u4e2a\u6d4f\u89c8\u5668\u5728\u8bbf\u95ee\u540c\u4e00\u4e2a\u7f51\u7ad9\u3002\u6bcf\u4e00\u6b21\u7684\u8bbf\u95ee\uff0c\u90fd\u662f\u6ca1\u6709\u4efb\u4f55\u5173\u7cfb\u7684\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n

\u6211\u4eec\u5c06\u4e4b\u524d\u9879\u76ee\u4e2d\u7684 app.js \u6539\u4e3a\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n

[java]
\n\/\/\u5f15\u5165 koa\u6a21\u5757
\nconst Koa = require(‘koa’);
\nconst Router = require(‘koa-router’);
\nconst views = require(‘koa-views’);
\nconst static = require(‘koa-static’);<\/p>\n

\/\/\u5b9e\u4f8b\u5316
\nconst app = new Koa();
\nconst router = new Router();<\/p>\n

\/\/\u914d\u7f6e\u9759\u6001\u8d44\u6e90\u4e2d\u95f4\u4ef6
\napp.use(static(__dirname + "\/static"));<\/p>\n

\/\/\u914d\u7f6e\u6a21\u677f\u5f15\u64ce\u4e2d\u95f4\u4ef6
\napp.use(views(‘views’, {
\n extension: ‘ejs’
\n}));<\/p>\n

router.get(‘\/’, async (ctx) => {
\n \/\/ \u8bbe\u7f6e cookie
\n ctx.cookies.set(‘userinfo’,encodeURIComponent(‘\u5f20\u4e09’),{maxAge:10*1000})
\n await ctx.render(‘index’, {});
\n});<\/p>\n

router.get(‘\/news’, async (ctx) => {
\n \/\/ \u83b7\u53d6 cookie
\n console.log(decodeURIComponent(ctx.cookies.get(‘userinfo’)));
\n await ctx.render(‘index’, {});
\n});<\/p>\n

\/\/\u542f\u52a8\u8def\u7531
\napp.use(router.routes());
\napp.use(router.allowedMethods());<\/p>\n

app.listen(3000);
\n[\/java]<\/p>\n

\u6211\u4eec\u5728 router.get(“\/” ) \u4e2d\u901a\u8fc7 ctx.cookie.set() \u7684\u5f62\u5f0f\u8bbe\u7f6e\u4e86\u4e00\u4e2a “userifon” \u7684 cookie ,\u7136\u540e\u5728 router.get(“\/news” ) \u4e2d\u901a\u8fc7 ctx.cookie.get() \u7684\u5f62\u5f0f\u6765\u83b7\u53d6\u6211\u4eec\u8bbe\u7f6e\u7684 userinfo \u7684 cookie \u503c\u3002<\/p>\n

\u5f53\u6211\u4eec\u8fd0\u884c localhost\uff1a3000 \u540e\u518d\u8fd0\u884c localhost\uff1a3000\/news \u65f6\uff0c\u6211\u4eec\u5728\u4ee3\u7801\u7f16\u8f91\u5668\u63a7\u5236\u53f0\u53ef\u4ee5\u770b\u5230\u5982\u4e0b\u8f93\u51fa\u7ed3\u679c\uff1a<\/p>\n

 <\/p>\n

\u4ece\u4e0a\u56fe\u53ef\u4ee5\u770b\u51fa\u6211\u4eec\u5df2\u7ecf\u83b7\u53d6\u5230\u4e86 userinfo = “\u5f20\u4e09” \u7684 cookie \u503c\u3002<\/p>\n

\u5728 ctx.cookie.set() \u4e2d\u7b2c\u4e09\u4e2a\u53c2\u6570\u4e3a\u4e00\u4e2a\u5bf9\u8c61\uff0c\u91cc\u9762\u6709\u4e00\u4e9b\u53ef\u9009\u53c2\u6570\uff0c\u5982\u4e0a\u9762\u6211\u4eec\u8bbe\u7f6e\u4e86\u4e00\u4e2a maxAge\uff1a10 * 1000\uff1b\u610f\u601d\u662f\u8be5 cookie \u503c\u5b58\u50a8\u65f6\u95f4\u4e3a 10 * 1000 \u6beb\u79d2\uff0c\u5373 10 \u79d2\u949f\uff0c\u5728 10 \u79d2\u4e4b\u540e\u4f1a\u6d88\u5931\uff0c\u8fd8\u6709\u5176\u4ed6\u53ef\u9009\u53c2\u6570\uff0c\u5982\u4e0b\uff1a<\/p>\n

 <\/p>\n

\u5728\u4e0a\u9762\u7684\u7a0b\u5e8f\u4e2d\uff0c\u6211\u4eec\u8fd8\u7528\u5230\u4e86<\/p>\n

\n
encodeURIComponent \u548c decodeURIComponent<\/pre>\n<\/blockquote>\n
\u4e0a\u9762\u7684\u4e24\u4e2a\u540d\u8bcd\u5206\u522b\u8868\u793a\u5bf9\u53c2\u6570\u7f16\u7801\u548c\u89e3\u7801\uff0c\u6211\u4eec\u5728\u4f20\u8f93\u6570\u636e\u7684\u65f6\u5019\u5982\u679c\u662f\u6c49\u5b57\uff0c\u5982 “\u5f20\u4e09”\uff0c\u5c31\u9700\u8981\u5bf9\u5176\u7f16\u7801\u548c\u89e3\u7801\uff0c\u8fd9\u6837\u624d\u80fd\u5bf9\u5185\u5bb9\u505a\u6b63\u786e\u7684\u4f20\u8f93\u3002<\/p>\n
 <\/p>\n
\u63a5\u4e0b\u6765\u6211\u4eec\u518d\u770b\u4e00\u4e0b koa \u4e2d session \u7684\u4f7f\u7528\u3002<\/p>\n
\n
session \u662f\u53e6\u4e00\u79cd\u8bb0\u5f55\u5ba2\u6237\u72b6\u6001\u7684\u673a\u5236\uff0c\u4e0d\u540c\u7684\u662f Cookie \u4fdd\u5b58\u5728\u5ba2\u6237\u7aef\u6d4f\u89c8\u5668\u4e2d\uff0c\u800c session \u4fdd\u5b58\u5728\u670d\u52a1\u5668\u4e0a\u3002\u5f53\u6d4f\u89c8\u5668\u8bbf\u95ee\u670d\u52a1\u5668\u5e76\u53d1\u9001\u7b2c\u4e00\u6b21\u8bf7\u6c42\u65f6\uff0c\u670d\u52a1\u5668\u7aef\u4f1a\u521b\u5efa\u4e00\u4e2a session \u5bf9\u8c61\uff0c\u751f \u6210\u4e00\u4e2a\u7c7b\u4f3c\u4e8e key,value \u7684\u952e\u503c\u5bf9\uff0c \u7136\u540e\u5c06 key(cookie)\u8fd4\u56de\u5230\u6d4f\u89c8\u5668(\u5ba2\u6237)\u7aef\uff0c\u6d4f\u89c8 \u5668\u4e0b\u6b21\u518d\u8bbf\u95ee\u65f6\uff0c\u643a\u5e26 key(cookie)\uff0c\u627e\u5230\u5bf9\u5e94\u7684 session(value)\u3002 \u5ba2\u6237\u7684\u4fe1\u606f\u90fd\u4fdd\u5b58 \u5728 session \u4e2d\u3002<\/div>\n
<\/div>\n<\/div>\n
\u4f7f\u7528 koa \u4e2d\u7684 session\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5 koa-session \u7684\u6a21\u5757<\/p>\n
npm install koa-session –save<\/p><\/blockquote>\n
\u6211\u4eec\u5c06\u4e0a\u9762\u7684 app.js \u6539\u4e3a\u5982\u4e0b\uff1a<\/p>\n
[java]
\n\/\/\u5f15\u5165 koa\u6a21\u5757
\nconst Koa = require(‘koa’);
\nconst Router = require(‘koa-router’);
\nconst views = require(‘koa-views’);
\nconst static = require(‘koa-static’);
\nconst session = require(‘koa-session’);<\/p>\n
\/\/\u5b9e\u4f8b\u5316
\nconst app = new Koa();
\nconst router = new Router();<\/p>\n
\/\/\u914d\u7f6e\u9759\u6001\u8d44\u6e90\u4e2d\u95f4\u4ef6
\napp.use(static(__dirname + "\/static"));<\/p>\n
\/\/\u914d\u7f6e\u6a21\u677f\u5f15\u64ce\u4e2d\u95f4\u4ef6
\napp.use(views(‘views’, {
\n    extension: ‘ejs’
\n}));<\/p>\n
\/\/\u914d\u7f6esession\u7684\u4e2d\u95f4\u4ef6
\napp.keys = [‘some secret hurr’];   \/**cookie\u7684\u7b7e\u540d \u9ed8\u8ba4*\/
\nconst CONFIG = {
\n    key: ‘koa:sess’, \/** \u9ed8\u8ba4 *\/
\n    maxAge: 10000,  \/**  cookie\u7684\u8fc7\u671f\u65f6\u95f4 *\/
\n    overwrite: true, \/** \u9ed8\u8ba4 \u53ef\u4ee5\u91cd\u5199\u8fc7\u671f\u65f6\u95f4 *\/
\n    httpOnly: true, \/**  true\u8868\u793a\u53ea\u6709\u670d\u52a1\u5668\u7aef\u53ef\u4ee5\u83b7\u53d6 cookie *\/
\n    signed: true, \/** \u9ed8\u8ba4 \u7b7e\u540d *\/
\n    rolling: true, \/** \u5728\u6bcf\u6b21\u8bf7\u6c42\u65f6\u5f3a\u884c\u8bbe\u7f6e cookie\uff0c\u8fd9\u5c06\u91cd\u7f6e cookie \u8fc7\u671f\u65f6\u95f4\uff08\u9ed8\u8ba4\uff1afalse\uff09 *\/
\n    renew: false, \/** \u5f53\u7528\u6237\u8fdb\u884c\u6d4f\u89c8\u5668\u64cd\u4f5c\u65f6\u5237\u65b0 cookie \u8fc7\u671f\u65f6\u95f4 *\/
\n};
\napp.use(session(CONFIG, app));<\/p>\n
router.get(‘\/’, async (ctx) => {
\n    \/\/ \u8bbe\u7f6e cookie
\n    ctx.session.userinfo=’\u5f20\u4e09’;
\n    await ctx.render(‘index’, {});
\n});<\/p>\n
router.get(‘\/news’, async (ctx) => {
\n    \/\/ \u83b7\u53d6 cookie
\n    console.log(ctx.session.userinfo);
\n    await ctx.render(‘index’, {});
\n});<\/p>\n
\/\/\u542f\u52a8\u8def\u7531
\napp.use(router.routes());
\napp.use(router.allowedMethods());<\/p>\n
app.listen(3000);
\n[\/java]<\/p>\n
\u5982\u4e0a\uff0c\u6211\u4eec\u9700\u8981\u5728\u6700\u5f00\u5934\u5f15\u5165\u6211\u4eec\u7684 koa-session \u6a21\u5757\uff0c\u7136\u540e\u8bbe\u7f6e session \u4e2d\u95f4\u4ef6\u3002session \u4e2d\u4e5f\u6709\u7c7b\u4f3c\u4e8e cookie \u7684\u53ef\u9009\u503c\uff0c\u5176\u4e2d\u6211\u4eec\u53ea\u9700\u8981\u4fee\u6539 maxAge\uff0crolling \u548c renew \u4e09\u4e2a\u503c\u5373\u53ef\u3002<\/p>\n
maxAge\uff1a\u8fc7\u671f\u65f6\u95f4\uff0c\u4ee5\u6beb\u79d2\u4e3a\u5355\u4f4d\u3002<\/p>\n
rolling\uff1a\u5f53\u6211\u4eec\u6bcf\u6b21\u6709\u6d4f\u89c8\u5668\u8bf7\u6c42\u65f6\u4f1a\u91cd\u65b0\u5237\u65b0\u6211\u4eec\u7684 session \u8fc7\u671f\u65f6\u95f4\uff0c\u662f\u4e00\u4e2a\u5177\u4f53\u7684\u65f6\u95f4\u503c\uff0c\u5982 12:00:00\u3002<\/p>\n
renew\uff1a\u5f53\u6211\u4eec\u6bcf\u6b21\u6709\u6d4f\u89c8\u5668\u8bf7\u6c42\u65f6\u4f1a\u91cd\u65b0\u5237\u65b0\u6211\u4eec\u7684 session \u8fc7\u671f\u65f6\u95f4\uff0c\u662f\u4e00\u4e2a\u65f6\u95f4\u8303\u56f4\uff0c\u5982 5000 \u6beb\u79d2\u3002<\/p>\n
\u63a5\u4e0b\u6765\u6211\u4eec\u5c31\u53ef\u4ee5\u5728\u6211\u4eec\u7684\u6d4f\u89c8\u5668\u4e2d\u4f7f\u7528 session \u4e86\uff0c\u6211\u4eec\u5728\u8fdb\u5165 localhost:3000 \u65f6\u8bbe\u7f6e\u4e00\u4e2a userinfo=”\u5f20\u4e09”\uff0c\u5f53\u8fdb\u5165 localhost:3000\/news \u65f6\u5728\u4ee3\u7801\u7f16\u8f91\u5668\u540e\u53f0\u6253\u5370\u8f93\u51fa\u8fd9\u4e2a userinfo\uff0c\u5982\u4e0b\uff1a<\/p>\n
 <\/p>\n
\u6211\u4eec\u62ff\u5230\u4e86 userinfo\uff1a”\u5f20\u4e09” \u7684\u503c\u3002<\/p>\n
 <\/p>\n
\u73b0\u5728\u6211\u4eec\u6765\u770b\u4e00\u4e0b cookie \u548c session \u7684\u533a\u522b\uff1a<\/p>\n
\n
\n
\n
\n
\u3000\u30001\u3001cookie \u6570\u636e\u5b58\u653e\u5728\u5ba2\u6237\u7684\u6d4f\u89c8\u5668\u4e0a\uff0csession \u6570\u636e\u653e\u5728\u670d\u52a1\u5668\u4e0a\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n
\n
\n
\n
\u3000\u30002\u3001cookie \u4e0d\u662f\u5f88\u5b89\u5168\uff0c\u522b\u4eba\u53ef\u4ee5\u5206\u6790\u5b58\u653e\u5728\u672c\u5730\u7684 cookie \u5e76\u8fdb\u884c cookie \u6b3a\u9a97\uff0c\u8003\u8651\u5230\u5b89\u5168\u5e94\u5f53\u4f7f\u7528 session\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n
\n
\n
\n
\u3000\u30003\u3001session \u4f1a\u5728\u4e00\u5b9a\u65f6\u95f4\u5185\u4fdd\u5b58\u5728\u670d\u52a1\u5668\u4e0a\u3002\u5f53\u8bbf\u95ee\u589e\u591a\uff0c\u4f1a\u6bd4\u8f83\u5360\u7528\u4f60\u670d\u52a1\u5668\u7684\u6027\u80fd \u8003\u8651\u5230\u51cf\u8f7b\u670d\u52a1\u5668\u6027\u80fd\u65b9\u9762\uff0c\u5e94\u5f53\u4f7f\u7528 cookie\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n
\n
\n
\n
\n
\u3000\u30004\u3001\u5355\u4e2a cookie \u4fdd\u5b58\u7684\u6570\u636e\u4e0d\u80fd\u8d85\u8fc7 4K\uff0c\u5f88\u591a\u6d4f\u89c8\u5668\u90fd\u9650\u5236\u4e00\u4e2a\u7ad9\u70b9\u6700\u591a\u4fdd\u5b58 20 \u4e2a cookie\u3002<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
\u4e4b\u524d\u7684\u6587\u7ae0\u6211\u4eec\u4ecb\u7ecd\u4e86\u4e00\u4e0b koa\u00a0koa-static\u9759\u6001\u8d44\u6e90\u4e2d\u95f4\u4ef6\uff0c\u672c\u7bc7\u6587\u7ae0\u6211\u4eec\u6765\u770b\u4e00\u4e0b\u00a0koa \u4e2d coo […]<\/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\/2388"}],"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=2388"}],"version-history":[{"count":3,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2388\/revisions"}],"predecessor-version":[{"id":3270,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=\/wp\/v2\/posts\/2388\/revisions\/3270"}],"wp:attachment":[{"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2388"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2388"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ai.zhousir.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2388"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}