我在sequelize中定义了这个模型:
"use strict";
var sequelize = require('./index');
var bcrypt = require('bcrypt-nodejs');
module.exports = function (sequelize, DataTypes) {
var User = sequelize.define("User", {
username: DataTypes.STRING,
email: {
type: DataTypes.STRING,
allowNull: false,
validate: {
isEmail: true
},
unique: {
args: true,
msg: 'Email address already in use!'
}
},
password: DataTypes.STRING
}, {
classMethods: {
generateHash: function (password) {
return bcrypt.hashSync(password, bcrypt.genSaltSync(8), null);
},
},
instanceMethods: {
validPassword: function (password) {
return bcrypt.compareSync(password, this.password);
},
checkEmailExists: function (email) {
return email == this.email
}
}
});
return User;
}
我需要检测电子邮件是否存在,因此我对电子邮件进行了自定义验证,但随后在我的路由中我有以下内容:
var express = require('express');
var User = require('../../models').User;
var router = express.Router();
var sequelize = require('../../models/index');
/* GET users listing. */
router.post('/', function (req, res, next) {
if (JSON.stringify(req.body) == "{}") {
return res.status(400).json({ Error: "Register request body is empty" });
}
if (!req.body.email || !req.body.username || !req.body.password) {
return res.status(400).json({ Error: "Missing fields for registration" });
}
var password = User.generateHash(req.body.password);
User.create({
username: req.body.username,
email: req.body.email,
password: password
}).then(function () {
return res.status(200).json({ message: "user created" });
}).catch(function (err) {
return res.status(400).json({ message: "issues trying to connect to database" });
})
});
module.exports = router;
似乎正在输入捕获,因为它检测到电子邮件已经存在,但我想显示模型内部的消息,而不是可能意味着其他内容的捕获,我如何在路由中显示它?
最佳答案
在 Angular 色模型中:
name: {
type: DataTypes.STRING,
validate: {
len: [3, 5]
}
},
然后
const {ValidationError} = require('sequelize');
async function test() {
try {
var item = await Role.build({code: 'SSA1', name: 'testtttt'});
await item.validate();
// validation passed
await item.save();
console.log('object created successfully');
}catch (e) {
if(e instanceof ValidationError){
return console.error( 'Captured validation error: ', e.errors[0].message);
}
console.error(e);
}
}
test();
日志:
Captured validation error: Validation len on name failed
关于javascript - 捕获sequelize模型中的错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/43966493/