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我已经在sequelize定义这种模式：捕获错误
"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，如果电子邮件已位于存在，所以我把一个自定义的验证上的电子邮件，但后来在我的路由我有这个：
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;
好像因为它检测到的电子邮件已经存在，正在进入追赶，但我想显示的是模型内部，而不是该catch这可能意味着别的什么消息，我怎么能显示它在我的路由？