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TypeError: Cannot read property 'user' of undefined

at D:\Sublime Text 3\imooc-projects\imooc\config\routes.js:78:25

at Layer.handle [as handle_request] (D:\Sublime Text 3\imooc-projects\node_modules\express\lib\router\layer.js:95:5)

at next (D:\Sublime Text 3\imooc-projects\node_modules\express\lib\router\route.js:131:13)

at Route.dispatch (D:\Sublime Text 3\imooc-projects\node_modules\express\lib\router\route.js:112:3)

at Layer.handle [as handle_request] (D:\Sublime Text 3\imooc-projects\node_modules\express\lib\router\layer.js:95:5)

at D:\Sublime Text 3\imooc-projects\node_modules\express\lib\router\index.js:277:22

at Function.process_params (D:\Sublime Text 3\imooc-projects\node_modules\express\lib\router\index.js:330:12)

at next (D:\Sublime Text 3\imooc-projects\node_modules\express\lib\router\index.js:271:10)

at D:\Sublime Text 3\imooc-projects\imooc\config\routes.js:16:13

at Layer.handle [as handle_request] (D:\Sublime Text 3\imooc-projects\node_modules\express\lib\router\layer.js:95:5)

at trim_prefix (D:\Sublime Text 3\imooc-projects\node_modules\express\lib\router\index.js:312:13)

at D:\Sublime Text 3\imooc-projects\node_modules\express\lib\router\index.js:280:7

at Function.process_params (D:\Sublime Text 3\imooc-projects\node_modules\express\lib\router\index.js:330:12)

at next (D:\Sublime Text 3\imooc-projects\node_modules\express\lib\router\index.js:271:10)

at D:\Sublime Text 3\imooc-projects\imooc\node_modules\express-session\index.js:473:7

at tryCatcher (D:\Sublime Text 3\imooc-projects\imooc\node_modules\bluebird\js\release\util.js:16:23)

at Promise.successAdapter [as _fulfillmentHandler0] (D:\Sublime Text 3\imooc-projects\imooc\node_modules\bluebird\js\release\nodeify.js:23:30)

at Promise._settlePromise (D:\Sublime Text 3\imooc-projects\imooc\node_modules\bluebird\js\release\promise.js:564:21)

at Promise._settlePromise0 (D:\Sublime Text 3\imooc-projects\imooc\node_modules\bluebird\js\release\promise.js:612:10)

at Promise._settlePromises (D:\Sublime Text 3\imooc-projects\imooc\node_modules\bluebird\js\release\promise.js:691:18)

at Promise._fulfill (D:\Sublime Text 3\imooc-projects\imooc\node_modules\bluebird\js\release\promise.js:636:18)

at Promise._resolveCallback (D:\Sublime Text 3\imooc-projects\imooc\node_modules\bluebird\js\release\promise.js:431:57)

qq_水榭二钱乾_03658069

2016-09-01

源自：node建站攻略(二期)——网站升级 3-9

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5 回答

早起的鸟儿回答被采纳 +3 积分
2016-09-01

user为空，user变量名写错了或者获取user出错，仔细看下代码吧。

0 回复有任何疑惑可以回复我~

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qq_水榭二钱乾_03658069 提问者

非常感谢！

2016-09-01 回复有任何疑惑可以回复我~

程序员熊明才
2017-01-09

/* GET home page. */
router.get('/', function (req, res) {
   console.log('user in session !')
   console.log(req.session.user);
   var user =req.session.user||null;//这里从req.session.user 把user拿来
   Movie.fetch(function (err, movies) {
       if(err){
           console.log(err);
       }

       res.render('index',{
           title:'电影-首页',
           movies:movies,
           user:user //这加个变量
       });
   })
});

1 回复有任何疑惑可以回复我~

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程序员熊明才
2017-01-09

/* GET home page. */
router.get('/', function (req, res) {
console.log('user in session !')
console.log(req.session.user);
var user =req.session.user||null;//这加个变量这里从req.session.user 把user拿来

Movie.fetch(function (err, movies) {
if(err){
console.log(err);
}

res.render('index',{
title:'电影-首页',
movies:movies,
user:user //这加个变量
});
})
});