这是错误屏幕：
express-session deprecated undefined
saveUninitialized option; provide saveUninitialized option
server.js:52:11 listening on port 3000 events.js:167
throw er; // Unhandled 'error' event
^
TypeError: Cannot read property 'username' of undefined
at User.findOne (C:\Users\aksha\Desktop\kik\passport\passport-local.js:42:32)
at C:\Users\aksha\Desktop\kik\node_modules\mongoose\lib\model.js:4187:16
at model.Query.Query._completeOne (C:\Users\aksha\Desktop\kik\node_modules\mongoose\lib\query.js:1479:12)
at Immediate.Query.base.findOne.call (C:\Users\aksha\Desktop\kik\node_modules\mongoose\lib\query.js:1535:10)
at Immediate.<anonymous> (C:\Users\aksha\Desktop\kik\node_modules\mquery\lib\utils.js:119:16)
at runCallback (timers.js:696:18)
at tryOnImmediate (timers.js:667:5)
at processImmediate (timers.js:649:5) Emitted 'error' event at:
at C:\Users\aksha\Desktop\kik\node_modules\mongoose\lib\model.js:4189:13
at model.Query.Query._completeOne (C:\Users\aksha\Desktop\kik\node_modules\mongoose\lib\query.js:1479:12)
[... lines matching original stack trace ...]
at processImmediate (timers.js:649:5)
我正在尝试从ejs文件中获取用户名。
这是server.js
const express = require('express');
const bodyParser =require('body-parser');
const ejs = require('ejs');
const http = require('http');
const container = require('./container');
const cookieParser = require('cookie-parser');
const validator = require('express-validator');
const session = require('express-session');
const Mongostore = require('connect-mongo')(session);
const mongoose = require('mongoose');
const flash = require('connect-flash');
const passport = require('passport');
container.resolve(function(users) {
mongoose.Promise = global.Promise;
mongoose.connect('mongodb://localhost/footballkik',{useMongoClient: true});
const app = SetupExpress();
function SetupExpress(){
const app = express();
const server = http.createServer(app);
server.listen(3000,function(){
console.log('listening on port 3000');
});
ConfigrationExpress(app);
//ROUTER SETUP
const router = require('express-promise-router')();
users.SetRouting(router);
app.use(router);
}
function ConfigrationExpress(app) {
require('./passport/passport-local');
app.use(express.static('public'));
app.use(cookieParser());
app.set('view engine','ejs');
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({extended: true}));
app.use(validator());
app.use(session({
secret:'thisisatest',
resave: true,
saveInitialized: true,
store: new Mongostore({mongooseConnection:mongoose.connection})
}))
app.use(flash());
app.use(passport.initialize());
app.use(passport.session());
}
});
这是html文件：
<!DOCTYPE html>
<html>
<head>
<title>Xinfin Chat</title>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" type="text/css" href="/css/login.css">
</head>
<body>
<div class="container logo-container">
<div class="row">
<div class="col-md-12">
<nav class="navbar" id="nav_bar" role="navigation">
<div class="navbar-header">
<button type="button" class="navbar-toggle navbar_icon" data-toggle="collapse" data-target="#bs-example-navbar-collapse-1">
<span class="sr-only">Toggle navigation</span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
<span class="icon-bar"></span>
</button>
<h1 class="logo-div">
<a href="/">Xinfin Chat</a>
</h1>
</div>
<div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
<ul class="nav navbar-nav navbar-right">
<li style="padding-right: 50px;">
<h2 class="reg-div">
<a href="/">
Login
</a>
</h2>
</li>
<li class="reg_link2">
<h2 class="reg-div">
<a href="/signup">
Register
</a>
</h2>
</li>
</ul>
</div>
</nav>
</div>
</div>
</div>
<div id="main">
<div class="main">
<form action="/signup" method="post">
<h1>
Register
</h1>
<div class="inset">
<p>
<label for="username">USERNAME</label>
<input type="text" name="username" class="" placeholder="">
</p>
<p>
<label for="email">EMAIL ADDRESS</label>
<input type="text" name="email" placeholder="" />
</p>
<p>
<label for="password">PASSWORD</label>
<input type="password" name="password" placeholder="" />
</p>
</div>
<p class="p-container">
<span><a href="/">Login</a></span>
<input type="submit" class="login-log" style=" background: #3bb5ec; border: #3bb5ec;" value="Register">
</p>
</form>
</div>
</div>
<!-- Latest compiled and minified CSS -->
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css">
<!-- jQuery library -->
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<!-- Latest compiled JavaScript -->
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js"></script>
</body>
</html>
这是user.js
const mongoose = require('mongoose');
const bcrypt = require('bcrypt-nodejs');
const userSchema = mongoose.Schema({
username:{type: String, unique: true},
fullname:{type: String, unique: true,default:''},
email:{type: String, unique: true},
password:{type: String, default:''},
userImage:{type: String, default:'default.png'},
facebook:{type: String, default:''},
fbTokens:Array,
goolge:{type: String, default:''},
goolgeTokens:Array
});
userSchema.methods.encryptPassword = function(password) {
return bcrypt.hashSync(password,bcrypt.genSaltSync(10),null);
};
userSchema.methods.validUserPassword = function(password) {
return bcrypt.compareSync(password,this.password);
}
module.exports = mongoose.model('user',userSchema);
这是我的passport.js档案
'use strict';
const passport = require('passport');
const User = require('../models/user');
const LocalStrategy = require('passport-local').Strategy;
passport.serializeUser((user,done)=> {
done(null, user.id);
});
passport.deserializeUser((id,done)=>{
user.findById(id,(err,user)=>{
done(err,user);
});
});
passport.use('local.signup', new LocalStrategy({
usernameField:'email',
passwordField:'password',
passReqToCallBack: true},(req,email,password,done)=>{
User.findOne({'email':email},(err,user)=>{
if(err){
return done(err);
}
if(user){
return done(null,false,req.flash('error','user email already exist'));
}
const newUser = new User();
newUser.username = req.body.username;
newUser.email= req.body.email;
newUser.password=newUser.encryptPassword(req.body.password);
newUser.save((err)=>{
done(null,newUser);
});
});
}));
答案 0 :(得分：0)
根据我看到的错误和您的评论，说明passport.js与passport-local.js文件具有相同的代码。
您使用的是 req.body.username ，但根据错误， req.body 未定义或者newUser未定义。
你可以在req.body上为passport.js文件添加console.log并告诉我你得到了什么？