{"id":5163,"date":"2016-07-07T11:55:24","date_gmt":"2016-07-07T03:55:24","guid":{"rendered":"https:\/\/sdeno.com\/?p=5163"},"modified":"2016-07-07T14:06:38","modified_gmt":"2016-07-07T06:06:38","slug":"node-js%e4%b8%ad%e5%9c%a8%e6%8c%87%e5%ae%9a%e7%9a%84%e6%97%b6%e9%97%b4%e5%86%85%e4%b8%8d%e5%81%9a%e4%bb%bb%e4%bd%95%e6%93%8d%e4%bd%9c%e6%8f%90%e7%a4%ba%e9%87%8d%e6%96%b0%e7%99%bb%e5%bd%95%e7%9a%84","status":"publish","type":"post","link":"https:\/\/sdeno.com\/?p=5163","title":{"rendered":"node.js\u4e2d\u5728\u6307\u5b9a\u7684\u65f6\u95f4\u5185\u4e0d\u505a\u4efb\u4f55\u64cd\u4f5c\u63d0\u793a\u91cd\u65b0\u767b\u5f55\u7684\u6548\u679c"},"content":{"rendered":"<p>\u8fd9\u91cc\u9700\u8981\u5230session\u529f\u80fd\uff0c\u53ef\u4ee5\u53c2\u8003\u300a<a href=\"https:\/\/sdeno.com\/?p=5160\" target=\"_blank\">node.js\u7684session\u914d\u7f6e\u4ee5\u53ca\u4f7f\u7528<\/a>\u300b\u3002<\/p>\n<p>\u8fd9\u91cc\u4e3b\u8981\u5c06\u5b9e\u73b0\u7684\u601d\u8def\uff0c\u8fd9\u6837\u4e0d\u7ba1\u662f\u8fd0\u7528\u5230\u54ea\u91cc\u90fd\u662f\u53ef\u4ee5\u7684\u3002<\/p>\n<p>&nbsp;<\/p>\n<p>1\uff0c\u767b\u5f55\u6210\u529f\u540e\uff0c\u5728\u767b\u5f55\u6210\u529f\u540e\u4ee3\u7801\u7684\u5730\u65b9\u63d2\u5165\u4ee5\u4e0b\u4ee3\u7801\uff1a<\/p>\n<pre> req.session.cookie.maxAge = 1000*60*60*24; \/\/\u8bbe\u7f6e\u4e00\u4e0b\u8fc7\u671f\u65f6\u95f4\u6700\u597d\u65f6\u95f4\u4e45\u70b9\r\n req.session.heretime=new Date().getTime(); \/\/\u83b7\u53d6\u5f53\u524d\u767b\u5f55\u8fd9\u4e2a\u65f6\u523b\u7684\u5fae\u79d2\u6570\uff0c\u4f5c\u4e3a\u4e34\u65f6\u503c\r\n req.session.name=name; \/\/\u8bb0\u5f55\u4e00\u4e0b\u8d26\u6237\u540d<\/pre>\n<p>&nbsp;<\/p>\n<p>2\uff0c\u5236\u4f5c\u4e00\u4e2a\u4e2d\u95f4\u4ef6\uff0c\u9875\u9762\u8df3\u8f6c\u65f6\u90fd\u80fd\u6267\u884c\u5230\u8fd9\u4e2a\u4e2d\u95f4\u4ef6\u4ee5\u8868\u793a\u7528\u6237\u5904\u5728\u64cd\u4f5c\u7684\u72b6\u6001\u4e0b<\/p>\n<pre>function public_session(){ \/\/\u7528\u6237\u4e0d\u505c\u7684\u6d4f\u89c8\u9875\u9762session\u4fdd\u6301\u6fc0\u6d3b\u72b6\u6001\r\n  return function(req,res,next){\r\n    var oldtime=req.session.heretime; \/\/\u4e34\u65f6\u503c\r\n    var newtime=new Date().getTime(); \/\/\u5f53\u524d\u65f6\u95f4\r\n    if(oldtime !== newtime) { \/\/\u5f53\u524d\u503c\u548c\u4e34\u65f6\u503c\u4e0d\u4e00\u6837\u65f6\r\n       req.session.heretime=newtime;  \/\/\u5728\u5e2e\u5f53\u524d\u503c\u590d\u5236\u7ed9\u4e34\u65f6\u503c\r\n    }\r\n    \/\/\u4e0a\u9762\u7684\u4ee3\u7801\u5b9e\u73b0\u6548\u679c\u662f\u8bb0\u5f55\u4e0a\u4e00\u6b21\u7684\u64cd\u4f5c\u65f6\u95f4\uff0c\u548c\u6b64\u523b\u7684\u64cd\u4f5c\u65f6\u95f4\r\n\r\n    \/\/\u4e0b\u9762\u4ee3\u7801\u6548\u679c\u662f\u5f97\u5230\uff0c\u7528\u6237\u6ca1\u53bb\u505a\u4efb\u4f55\u64cd\u4f5c\u65f6\u7684\u7a7a\u95f2\u65f6\u95f4\r\n    if(!!req.session.name){\r\n       if((60000*2)&lt;(newtime-oldtime)){ \/\/2\u5206\u949f\u5185\u6ca1\u4efb\u4f55\u64cd\u4f5c\u5c31\u91cd\u65b0\u767b\u5f55\r\n          req.session.destroy();\r\n          res.redirect(req.originalUrl);\r\n       }\r\n     }\r\n     next();\r\n  }\r\n}\r\n\r\nmodule.exports=public_session;<\/pre>\n<p>&nbsp;<\/p>\n<p>3\uff0c\u5728\u6a21\u5757\u7684\u516c\u5171\u90e8\u5206\u52a0\u8f7d\u5e76\u8c03\u7528\u4e2d\u95f4\u4ef6\u4fdd\u8bc1\u6bcf\u4e2a\u9875\u9762\u8df3\u8f6c\u65f6\u5c31\u80fd\u6267\u884c\u6b64\u4e2d\u95f4\u4ef6\u3002<\/p>\n<pre>var public_session = require('.\/routes\/public_session');\r\napp.use('\/', public_session()); 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