app.js中代碼
var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var bodyParser = require('body-parser');
var indexRouter = require('./routes/index');
var usersRouter = require('./routes/users');
var ejs = require('ejs');
var app = express();
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'html');
app.engine('html',ejs.__express)
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('/users', usersRouter);
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({
? extended: true
}))
// 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;
路由文件中的代碼index.js
router.get('/',function(req,res){
? ? res.type('html')
? ? res.render('index')
})
