app.js

var express = require('express');
var path = require('path');
var favicon = require('serve-favicon');
var logger = require('morgan');
var cookieParser = require('cookie-parser');
var bodyParser = require('body-parser');
var ejs = require('ejs');

var index = require('./routes/index');
var users = require('./routes/users');
//文件上传
var upload = require('./routes/upload');  
 //朋友圈
 var parQuan=require('./routes/parQuan');  

//添加的
var session=require('express-session');

var app = express();
app.engine('html',ejs.__express);
// view engine setup
app.set('views', path.join(__dirname, 'views'));
app.set('view engine', 'html');

// uncomment after placing your favicon in /public
//app.use(favicon(path.join(__dirname, 'public', 'favicon.ico')));
app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: false }));

//文件上传
//app.use(bodyParser({ uploadDir: "./public/upload" }));  

//添加会话中间件
app.use(cookieParser("An"));

//
app.use(session({
	secret:'an',
	resave:false,
	saveUninitialized:true
}));
app.use(express.static(path.join(__dirname, 'public')));

app.use('/', index);
//app.use('/users', users);
app.post('/zwl',users.zwl);

//登录
app.post('/login',users.login);

app.post('/parQuan',parQuan.parQuan);
//文件上传
app.post('/upload', upload.upload); 
// catch 404 and forward to error handler
app.use(function(req, res, next) {
  var err = new Error('Not Found');
  err.status = 404;
  next(err);
});

// 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;