如何正确导入快递航线模块?
我产生与express-generator
的项目。在我的路线目录,我有2个文件:index.js
和users.js
,并about.js
处理该/about
路线。
访问在/about
Error 404 : Page Not found
结果。
当添加在/about
app.js
处理程序,错误不见了。
./app.js
:
var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var indexRouter = require('./routes/index')
var aboutRouter = require('./routes/about');
var usersRouter = require('./routes/users');
var app = express();
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use('/', indexRouter);
app.use('/about', aboutRouter);
app.use('/users', 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;
./route/index.js
:
var express = require('express');
var app = express();
var router = express.Router();
/* GET home page. */
router.get('/', function(req, res, next) {
res.json( {
message : "Home Page (Requeste for list)",
method : req.method,
Succes : "True"
});
// res.render('index', { title: 'Express' });
})
module.exports = router;
./routes/about.js
:
var express = require('express');
var router = express.Router();
router.get('/about', function(req, res) {
res.send('im the about page!');
});
router.post('/about', function(req, res) {
res.send('im the about page!');
});
module.exports = router;
回答如下:
重写你的router/about.js
这样
var express = require('express');
var router = express.Router();
router.get('/', function(req, res) {
res.send('im the about page!');
});
router.post('/', function(req, res) {
res.send('im the about page!');
});
module.exports = router;
由于您app.js
,你已经在第24行声明前缀/about
,所以你不必在router/about.js
做一遍
如何正确导入快递航线模块?
我产生与express-generator
的项目。在我的路线目录,我有2个文件:index.js
和users.js
,并about.js
处理该/about
路线。
访问在/about
Error 404 : Page Not found
结果。
当添加在/about
app.js
处理程序,错误不见了。
./app.js
:
var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var indexRouter = require('./routes/index')
var aboutRouter = require('./routes/about');
var usersRouter = require('./routes/users');
var app = express();
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'pug');
app.use(logger('dev'));
app.use(express.json());
app.use(express.urlencoded({ extended: false }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));
app.use('/', indexRouter);
app.use('/about', aboutRouter);
app.use('/users', 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;
./route/index.js
:
var express = require('express');
var app = express();
var router = express.Router();
/* GET home page. */
router.get('/', function(req, res, next) {
res.json( {
message : "Home Page (Requeste for list)",
method : req.method,
Succes : "True"
});
// res.render('index', { title: 'Express' });
})
module.exports = router;
./routes/about.js
:
var express = require('express');
var router = express.Router();
router.get('/about', function(req, res) {
res.send('im the about page!');
});
router.post('/about', function(req, res) {
res.send('im the about page!');
});
module.exports = router;
回答如下:
重写你的router/about.js
这样
var express = require('express');
var router = express.Router();
router.get('/', function(req, res) {
res.send('im the about page!');
});
router.post('/', function(req, res) {
res.send('im the about page!');
});
module.exports = router;
由于您app.js
,你已经在第24行声明前缀/about
,所以你不必在router/about.js
做一遍