如何解决错误：需要数据和盐参数[创建新用户]
我是后端初学者，只想为我的主页实现 CRUD 功能，并尝试使用常用的注册模板将用户数据发送到我的数据库。但是，我不断收到以下错误消息：“错误：需要数据和盐参数”。 这是创建新用户的代码：
controller.js
require('dotenv').config()
var UserDB = require('../model/model');
var UserDB2 = require('../model/testmodel');
const jwt = require('jsonwebtoken');
const bcrypt = require('bcrypt');
const salt = 10;
exports.create=(req,res)=>{
//validate
if(!req.body){
res.status(400).send({message:'Empty'});
return;
}
//hash password
const hashedPassword= bcrypt.hashSync(req.body.password,salt)
//
//new user
const user = new UserDB({
name: req.body.name,email: req.body.email,password: password
})
//save database
user
.save(user)
.then(data => {
res.redirect('/signup')
})
.catch(err =>{
res.status(500).send({
message: err.message || "Mars Attacks !"
})
});
}
signup.ejs
<body>
<div class="Wrapklasse">
<div class="derKoerper">
<div class="dieKoerper dieKoerper-step-1 is-showing">
<div class="title">Sign Up</div>
<form action="/api/users" method="POST" id="add_user">
<input type="text" placeholder="Username*" required id="username" />
<input type="email" placeholder="E-Mail*" required id="email" />
<input type="password" placeholder="Password*" required id="password" />
<input type="con-password" placeholder="Confirm Password*" />
<div class="text-center">
<span id="SignUp"><img src=/img/knight.jpg alt="knight" style="width:35%" class="das_icon"></span>
<input type="submit" />
</div>
</form>
</div>
</div>
</div>
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.6.0/jquery.min.js" integrity="sha512-894YE6QWD5I59HgZOGReFYm4dnWc1Qt5NtvYSaNcop+u1T9qYdvdihz0PPSiiqn/+/3e7Jo4EaG7TubfWGUrMQ==" crossorigin="anonymous"></script>
<script> src="/js/index.js"</script>
</body>
index.js
$("#add_user").submit(function(event){
alert("Success!");
})
router.js
const express = require('express');
const route = express.Router();
const services = require ('../services/render');
const controller = require ('../controller/controller');
const jwt = require('jsonwebtoken');
//for use
route.get('/',services.homeRoutes);
route.get('/signup',services.signup);
route.get('/forum',services.forum);
route.get('/unterforum',services.unterforum);
route.get('/beitrag',services.beitrag);
route.get('/beitrag_erstellen',services.beitrag_erstellen);
//API
route.post('/api/users',controller.create);
route.get('/api/users',controller.find);
route.put('/api/users/:id',controller.update);
route.delete('/api/users/:id',controller.delete);
module.exports=route;
不幸的是，我不知道可能是什么问题。
解决方法
确保您已定义盐轮（“Salt”变量）并确保 req.body.password 未定义
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