Sails.js如何加载会话并创build，检查，销毁？

在configurationsession.js我已经启用redis之前，我已经安装了这两件事情…

npm安装connect-redis

npm install express

adapter: 'redis', // // on localhost is expected. // Read more about options at: https://github.com/visionmedia/connect-redis // host: 'localhost', port: 6379, ttl: 3600, db: 0, pass: '', prefix: 'sess:' 

在控制器2中

//分配会话中的值并redirect到controller1 req.session.error =“category not found”;

//错误TypeError：无法设置未定义的属性“错误”

  module.exports = { load_word: function(req, res){ var async = require('async'); var express = require('express'); var RedisStore = require('connect-redis')(express); async.waterfall([ function(callback){ Category.findOne().where({keyword:req.param('keyword')}).done(function(err,category){ if(category==undefined){ req.session.error = "category Not found"; res.redirect('home'); }else{ category_id = category.id; } /*Word.findOne().where({id:category_id}).done(function(err,word){ });*/ }); }, 

控制器1

的console.log（req.session.error）;

  module.exports = { /** * Action blueprints: * `/home/index` * `/home` */ index: function (req, res) { var async = require('async'); var express = require('express'); var RedisStore = require('connect-redis')(express); var data = new Object(); console.log(req.session.error); 

如何解决这个问题？

Answer 1

要检查类是否未定义或不使用if(typeof(category)!='undefined){}