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app.js
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var createError = require('http-errors');
var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');
var loginRouter = require('./routes/login')
var videoRouter = require('./routes/video')
var adminRouter = require('./routes/admin')
var infoRouter = require('./routes/info')
var app = express();
var allowCrossDomain = function (req, res, next) {
res.header("Access-Control-Allow-Origin", "*");
res.header("Access-Control-Allow-Headers", "*");
res.header("Access-Control-Allow-Methods", "*");
// 下一步
next();
}
app.use(allowCrossDomain);
// 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('/static', express.static(path.join(__dirname, 'public')));
app.use('/login', loginRouter)
app.use('/video', videoRouter)
app.use('/admin', adminRouter)
app.use('/info', infoRouter)
// 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;