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 session = require('express-session');
//加载ueditor 模块
var ueditor = require("ueditor");
//图片验证码
var svgCaptcha = require('svg-captcha');

var app = express();
var mongoose=require('./config/mongoose.js');
var db=mongoose();


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


app.use(logger('dev'));
app.use(bodyParser.json());
app.use(bodyParser.urlencoded({ extended: true }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));


//这里周期只设置为20秒，为了方便测试
//secret在正式用的时候务必修改
//express中间件顺序要和下面一致

app.use(session({//session持久化配置
  secret: "jxchexie",
  key: "jxchexie",
  cookie: {maxAge: 1000 * 60 * 60 * 24 * 30},//超时时间
  saveUninitialized: true,
  resave: false,
}));

//ueditor上传图片
app.use("/ueditor/ue", ueditor(path.join(__dirname, 'public'), function (req, res, next) {
  // ueditor 客户发起上传图片请求
  if (req.query.action === 'uploadimage') {
    var foo = req.ueditor;
    var imgname = req.ueditor.filename;
    var img_url = '/images/ueditor/';
    res.ue_up(img_url); //你只要输入要保存的地址 。保存操作交给ueditor来做
    res.setHeader('Content-Type', 'text/html');//IE8下载需要设置返回头尾text/html 不然json返回文件会被直接下载打开
  }
  //  客户端发起图片列表请求
  else if (req.query.action === 'listimage') {
    var dir_url = '/images/ueditor/';
    res.ue_list(dir_url); // 客户端会列出 dir_url 目录下的所有图片
  }
  // 客户端发起其它请求
  else {
    // console.log('config.json')
    res.setHeader('Content-Type', 'application/json');
    res.redirect('/ueditor/jsp/config.json');
  }
}));
//ueditor上传图片

app.get('/captcha', function (req, res) {
  var captcha = svgCaptcha.create({
    size: 4, // 验证码长度
    ignoreChars: '0o1i', // 验证码字符中排除 0o1i
    noise: 1, // 干扰线条的数量
    color: true, // 验证码的字符是否有颜色，默认没有，如果设定了背景，则默认有
    background: '#c4c4c5' // background color of the svg image
  });
  //将生成的验证码放在session中
  req.session.captcha = captcha.text;
  console.log( req.session.captcha);
  res.set('Content-Type', 'image/svg+xml');
  res.status(200).send(captcha.data);
});


require('./routes/index')(app);

/*官网后台做操作是需要，登录验证*/
app.use(function(req,res,next){
  if (!req.session.user) {
    if(req.url=="/login"||req.url=="/register"){
      next();//如果请求的地址是登录则通过，进行下一个请求
    }
    else
    {
      res.redirect('/login');
    }
  } else if (req.session.user) {
    next();
  }
});
/*后台登录验证*/

require('./routes/admin')(app);

// 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 handlers
// development error handler
// will print stacktrace
if (app.get('env') === 'development') {
  app.use(function(err, req, res, next) {
    res.status(err.status || 500);
    res.render('website/index/error', {
      message: err.message,
      error: err
    });
  });
}

// production error handler
// no stacktraces leaked to user
app.use(function(err, req, res, next) {
  res.status(err.status || 500);
  res.render('website/index/error', {
    message: err.message,
    error: {}
  });
});

module.exports = app;