text: 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 miguRouter = require('./routes/migu');
  var musicRouter = require('./routes/music');
  
  
  var app = 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')));
  
  //默认页面
  app.use('/', indexRouter);
  //咪咕爬取
  app.use('/migu', miguRouter);
  //歌曲系统
  app.use('/music',musicRouter);
  
  // 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;