[英]Simple NodeJS Server with Localhost, Error (404): “Not found”
[英]404 Not Found nodejs to localhost
我正在編寫 nodejs express 以將數據提取到 web 頁面。 打開時出現錯誤 404 Not Found
在瀏覽器的 Dev 工具中顯示: users:1 GET http://127.0.0.1:3000/users 404 (Not Found)
下面是 app.js 和 index.js 以及 users.js 文件
我想我的路線有問題
應用程序.js
var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var expressValidator = require('express-validator');
var flash = require('express-flash');
var session = require('express-session');
var bodyParser = require('body-parser');
var mysql = require('mssql');
// var connection = require('./lib/db');
var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var app = express();
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'ejs');
app.use(logger('dev'));
app.use(bodyParser.json());
//I put false instead true
app.use(bodyParser.urlencoded({ extended: true }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use(session({
secret: '123456cat',
resave: false,
saveUninitialized: true,
cookie: { maxAge: 60000 }
}))
app.use(flash());
app.use(expressValidator());
app.use('/', indexRouter);
app.use('/list', usersRouter);
// catch 404 and forward to error handler
app.use(function(req, res, next) {
next(createError(404));
});
// error handler
app.use(function(err, req, res, next) {
// set locals, only providing error in development
res.locals.message = err.message;
res.locals.error = req.app.get('env') === 'development' ? err : {};
// render the error page
res.status(err.status || 500);
res.render('error');
});
module.exports = app;
下面是路由文件。 路線/index.js
var express = require('express');
var router = express.Router();
/* GET home page. */
router.get('/', function(req, res, next) {
res.render('index', { title: 'Express' });
});
module.exports = router;
路線/users.js
var express = require('express');
var router = express.Router();
var connection = require('../database.js');
/* GET home page. */
router.get('/', function(req, res, next) {
connection.query('SELECT * FROM users',function(err,rows) {
if(err){
req.flash('error', err);
res.render('list',{page_title:"Users - Node.js",data:''});
}else{
res.render('list',{page_title:"Users - Node.js",data:rows});
}
});
});
module.exports = router;
正如我在評論中已經提到的,您沒有/user
路由,因此您將收到404 NotFound錯誤。
改變這個
app.use('/list', usersRouter);
對此
app.use('/user', usersRouter);
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