[英]How to pass data "controller" instead of "app.js" in Nodejs
我正在研究 Nodejs(Express.js),我正在将表单数据发送到 controller 但对我不起作用,我收到错误“TypeError: Cannot read property 'name' of undefined in Nodejs”,但主要问题是我的代码是在“app.js”中工作/获取数据,但我想在“userController”中获取数据,因为我想使用 MVC strtucre,这是我的 root.js
var express=require('express');
var router= express.Router();
var controllers= require('../controllers');
router.get('/', controllers.homeController.index);
router.get('/signup', controllers.userController.signup);
router.post('/signup', controllers.userController.save);
router.get('/login', controllers.userController.login);
router.get('/dash', controllers.userController.dash);
module.exports = router;
这是我的 userController.js 文件
userController.save = function (req, res, next) {
var name = req.body.name;
console.log(name);
}
这是我的 app.js,如何在“userController”而不是“app.js”中获取数据,提前谢谢。
const express = require('express');
const mysql = require('mysql');
const expressValidator = require('express-validator');
const bodyParser = require('body-parser');
const cookieParser = require('cookie-parser');
const session = require('express-session');
const flash = require('connect-flash');
const app = express();
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());
app.use('/', routes);
app.set('view engine', 'pug');
app.set('views', path.join(__dirname, 'views'));
app.use(express.static(__dirname + '/public'));
app.use(cookieParser('keyboard cat'));
const PORT = 4000
app.listen(PORT, function (err) {
if (err) console.log(err);
console.log("App started on PORT", PORT);
});
我已经重新组织了你的代码。 请确保您的过滤路径声明正确。
var express=require('express');
var router = express.Router();
var controllers= require('../controllers/userController'); // if userController.js in controller folder.
router.get('/', controllers.homeController_index);
router.get('/signup', controllers.userController_signup);
router.post('/signup', controllers.userController_save);
router.get('/login', controllers.userController_login);
router.get('/dash', controllers.userController_dash);
module.exports = router;
用户控制器.js
const userController_save = function (req, res, next) {
var name = req.body.name;
console.log(name);
}
应用程序.js
const express = require('express');
const mysql = require('mysql');
const expressValidator = require('express-validator');
const bodyParser = require('body-parser');
const cookieParser = require('cookie-parser');
const session = require('express-session');
const flash = require('connect-flash');
const path = require("path");
const app = express();
const routes = require('./routes/root'); // If your root.js inside a routes folder
app.use(bodyParser.urlencoded({ extended: true }));
app.use(bodyParser.json());
app.set('view engine', 'pug');
app.set('views', path.join(__dirname, 'views'));
app.use(express.static(__dirname + '/public'));
app.use(cookieParser('keyboard cat'));
app.use('/', routes);
const PORT = 4000
app.listen(PORT, function (err) {
if (err) console.log(err);
console.log("App started on PORT", PORT);
});
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