{"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":"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%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":"
\n

\u4e0a\u4e00\u7bc7\u7528 koa-static<\/code> \u6302\u4e86\u9759\u6001\u8d44\u6e90\u3002\u8fd9\u4e00\u7bc7\u770b Koa \u91cc\u7684 cookie<\/strong> \u548c session<\/strong>\uff1aHTTP \u672c\u8eab\u65e0\u72b6\u6001\uff0c\u6362\u4e00\u4e2a\u9875\u9762\u670d\u52a1\u5668\u5c31\u8ba4\u4e0d\u51fa\u662f\u4e0d\u662f\u540c\u4e00\u4e2a\u6d4f\u89c8\u5668\uff0c\u5fc5\u987b\u9760\u8fd9\u4e24\u6837\u628a\u8bbf\u95ee\u4e32\u8d77\u6765\u3002<\/p>\n

Cookie \u5b58\u5728\u8bbf\u95ee\u8005\u7535\u8111\u4e0a\uff0c\u540c\u4e00\u6d4f\u89c8\u5668\u8bbf\u95ee\u540c\u4e00\u57df\u540d\u65f6\u53ef\u4ee5\u5171\u4eab\u6570\u636e\u3002Session \u5b58\u5728\u670d\u52a1\u5668\u4e0a\uff1a\u7b2c\u4e00\u6b21\u8bbf\u95ee\u65f6\u670d\u52a1\u5668\u521b\u5efa session \u5bf9\u8c61\uff0c\u628a key \u4ee5 cookie \u5f62\u5f0f\u53d1\u7ed9\u6d4f\u89c8\u5668\uff0c\u4e0b\u6b21\u5e26\u7740 key \u5c31\u80fd\u627e\u5230\u5bf9\u5e94\u7684 value\u3002<\/p>\n

\u4e00\u3001\u8bbe\u7f6e\u4e0e\u8bfb\u53d6 Cookie<\/h2>\n

Koa \u5185\u7f6e cookie API\uff0c\u5199\u6cd5\u662f ctx.cookies.set<\/code> \/ ctx.cookies.get<\/code>\uff08\u6ce8\u610f\u662f cookies\uff0c\u4e0d\u662f cookie\uff09\u3002\u4e2d\u6587\u8981\u5148 encodeURIComponent<\/code>\uff0c\u8bfb\u51fa\u6765\u518d decodeURIComponent<\/code>\uff0c\u5426\u5219\u300c\u5f20\u4e09\u300d\u8fd9\u7c7b\u6c49\u5b57\u4f20\u4e0d\u5bf9\u3002<\/p>\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');\n\n\/\/\u5b9e\u4f8b\u5316\nconst app = new Koa();\nconst router = new Router();\n\n\/\/\u914d\u7f6e\u9759\u6001\u8d44\u6e90\u4e2d\u95f4\u4ef6\napp.use(static(__dirname + \"\/static\"));\n\n\/\/\u914d\u7f6e\u6a21\u677f\u5f15\u64ce\u4e2d\u95f4\u4ef6\napp.use(views('views', {\n    extension: 'ejs'\n}));\n\nrouter.get('\/', async (ctx) => {\n    \/\/ \u8bbe\u7f6e cookie\n    ctx.cookies.set('userinfo',encodeURIComponent('\u5f20\u4e09'),{maxAge:10*1000})\n    await ctx.render('index', {});\n});\n\nrouter.get('\/news', async (ctx) => {\n    \/\/ \u83b7\u53d6 cookie\n    console.log(decodeURIComponent(ctx.cookies.get('userinfo')));\n    await ctx.render('index', {});\n});\n\n\/\/\u542f\u52a8\u8def\u7531\napp.use(router.routes());\napp.use(router.allowedMethods());\n\napp.listen(3000);<\/code><\/pre>\n
\u5148\u8bbf\u95ee localhost:3000<\/code> \u5199\u5165 cookie\uff0c\u518d\u8bbf\u95ee localhost:3000\/news<\/code>\uff0c\u63a7\u5236\u53f0\u5c31\u80fd\u6253\u51fa userinfo = \u5f20\u4e09\u3002<\/p>\n
\u7b2c\u4e09\u4e2a\u53c2\u6570\u662f\u9009\u9879\u5bf9\u8c61\u3002\u4e0a\u9762\u7684 maxAge: 10 * 1000<\/code> \u8868\u793a\u5b58 10 \u79d2\uff0c\u5230\u671f\u6d88\u5931\u3002\u5e38\u89c1\u53ef\u9009\u9879\u5982\u4e0b\u3002<\/p>\n\n\n\n\n\n\n\n\n
\u9009\u9879<\/th>\n\u542b\u4e49<\/th>\n<\/tr>\n<\/thead>\n
maxAge<\/td>\n\u8fc7\u671f\u65f6\u95f4\uff0c\u6beb\u79d2\u300210 * 1000 \u5373 10 \u79d2<\/td>\n<\/tr>\n
httpOnly<\/td>\ntrue \u65f6\u53ea\u6709\u670d\u52a1\u5668\u80fd\u8bfb cookie\uff0c\u524d\u7aef\u811a\u672c\u8bfb\u4e0d\u5230<\/td>\n<\/tr>\n
signed<\/td>\n\u662f\u5426\u7b7e\u540d\uff0c\u9700\u914d\u5408 app.keys<\/td>\n<\/tr>\n
overwrite<\/td>\n\u662f\u5426\u5141\u8bb8\u8986\u76d6\u5df2\u6709\u540c\u540d cookie<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\u4e8c\u3001koa-session \u628a\u72b6\u6001\u653e\u670d\u52a1\u5668<\/h2>\n
Session \u662f\u53e6\u4e00\u79cd\u8bb0\u5ba2\u6237\u72b6\u6001\u7684\u673a\u5236\uff1aCookie \u5728\u6d4f\u89c8\u5668\uff0cSession \u5728\u670d\u52a1\u5668\u3002\u7b2c\u4e00\u6b21\u8bf7\u6c42\u65f6\u670d\u52a1\u5668\u521b\u5efa\u7c7b\u4f3c key\/value \u7684\u5bf9\u8c61\uff0c\u628a key \u5199\u56de\u6d4f\u89c8\u5668\uff1b\u4e0b\u6b21\u5e26\u7740\u8fd9\u4e2a cookie\uff0c\u5c31\u80fd\u627e\u5230\u5bf9\u5e94 session\u3002\u5ba2\u6237\u4fe1\u606f\u4fdd\u5b58\u5728 session \u91cc\u3002<\/p>\n
npm install koa-session --save<\/code><\/pre>\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');\n\n\/\/\u5b9e\u4f8b\u5316\nconst app = new Koa();\nconst router = new Router();\n\n\/\/\u914d\u7f6e\u9759\u6001\u8d44\u6e90\u4e2d\u95f4\u4ef6\napp.use(static(__dirname + \"\/static\"));\n\n\/\/\u914d\u7f6e\u6a21\u677f\u5f15\u64ce\u4e2d\u95f4\u4ef6\napp.use(views('views', {\n    extension: 'ejs'\n}));\n\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));\n\nrouter.get('\/', async (ctx) => {\n    \/\/ \u8bbe\u7f6e cookie\n    ctx.session.userinfo='\u5f20\u4e09';\n    await ctx.render('index', {});\n});\n\nrouter.get('\/news', async (ctx) => {\n    \/\/ \u83b7\u53d6 cookie\n    console.log(ctx.session.userinfo);\n    await ctx.render('index', {});\n});\n\n\/\/\u542f\u52a8\u8def\u7531\napp.use(router.routes());\napp.use(router.allowedMethods());\n\napp.listen(3000);<\/code><\/pre>\n
\u5f15\u5165 koa-session<\/code> \u540e\u914d\u4e2d\u95f4\u4ef6\u3002\u65e5\u5e38\u4e3b\u8981\u6539\u4e09\u4e2a\u503c\uff1a<\/p>\n
    \n
  • \n
    maxAge<\/code>\uff1a\u8fc7\u671f\u65f6\u95f4\uff0c\u6beb\u79d2\uff1b<\/section>\n<\/li>\n
  • \n
    rolling<\/code>\uff1a\u6bcf\u6b21\u8bf7\u6c42\u90fd\u91cd\u5199 cookie\uff0c\u4ece\u800c\u91cd\u7f6e\u8fc7\u671f\u65f6\u95f4\uff08\u9ed8\u8ba4 false\uff09\uff1b<\/section>\n<\/li>\n
  • \n
    renew<\/code>\uff1a\u63a5\u8fd1\u8fc7\u671f\u65f6\u5237\u65b0\u8fc7\u671f\u65f6\u95f4\u3002<\/section>\n<\/li>\n<\/ul>\n
    \u8bbf\u95ee\u9996\u9875\u65f6\u8bbe\u7f6e ctx.session.userinfo = '\u5f20\u4e09'<\/code>\uff0c\u518d\u8fdb \/news<\/code> \u6253\u5370\uff0c\u5c31\u80fd\u62ff\u5230\u300c\u5f20\u4e09\u300d\u3002<\/p>\n
    \u4e09\u3001Cookie \u548c Session \u600e\u4e48\u9009<\/h2>\n\n\n\n\n\n\n\n\n
    \u5bf9\u6bd4<\/th>\nCookie<\/th>\nSession<\/th>\n<\/tr>\n<\/thead>\n
    \u5b58\u653e\u4f4d\u7f6e<\/td>\n\u5ba2\u6237\u6d4f\u89c8\u5668<\/td>\n\u670d\u52a1\u5668<\/td>\n<\/tr>\n
    \u5b89\u5168<\/td>\n\u53ef\u88ab\u5206\u6790\u3001\u5192\u7528\uff0c\u654f\u611f\u6570\u636e\u4e0d\u9002\u5408<\/td>\n\u76f8\u5bf9\u66f4\u5b89\u5168<\/td>\n<\/tr>\n
    \u6027\u80fd<\/td>\n\u4e0d\u5360\u670d\u52a1\u5668\u5185\u5b58<\/td>\n\u8bbf\u95ee\u591a\u4e86\u5360\u670d\u52a1\u5668\u8d44\u6e90<\/td>\n<\/tr>\n
    \u5bb9\u91cf<\/td>\n\u5355\u4e2a\u4e0d\u8d85\u8fc7 4K\uff0c\u5f88\u591a\u6d4f\u89c8\u5668\u9650\u5236\u7ea6 20 \u4e2a<\/td>\n\u53d7\u670d\u52a1\u5668\u5b58\u50a8\u9650\u5236<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
    \n
    \u4e00\u53e5\u8bdd\u603b\u7ed3\uff1aCookie \u7528 ctx.cookies \u5b58\u6d4f\u89c8\u5668\uff08\u4e2d\u6587\u8981\u7f16\u89e3\u7801\uff09\uff1bSession \u7528 koa-session \u5b58\u670d\u52a1\u5668\u3002\u654f\u611f\u4fe1\u606f\u504f\u5411 session\uff0c\u51cf\u8f7b\u670d\u52a1\u5668\u538b\u529b\u5219\u504f\u5411 cookie\u3002<\/strong><\/p>\n<\/blockquote>\n<\/section>\n","protected":false},"excerpt":{"rendered":"
    \u4e0a\u4e00\u7bc7\u7528 koa-static \u6302\u4e86\u9759\u6001\u8d44\u6e90\u3002\u8fd9\u4e00\u7bc7\u770b Koa \u91cc\u7684 cookie \u548c session\uff1aHTT […]<\/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\/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}]}}