app.js

const path = require('path'); //路径
const express = require('express'); //web框架

const bodyParser = require('body-parser');
require("body-parser-xml")(bodyParser);
const mongoose = require('mongoose'); // 加载mongoose模块
const cookieParser = require('cookie-parser');
const session = require('express-session');
const mongoStore = require('connect-mongo')(session); //会话持久
const logger = require('morgan'); //日志中间件
const queryString = require('query-string');

var port = process.env.PORT || 3003; // 设置端口号：3001

var dbUrl = 'mongodb://localhost:27017/huangblog';
//var dbUrl = 'mongodb://127.0.0.1:19999/huangblog';
var env = process.env.NODE_ENV || 'development'

var wechat = require('./wechat')
var menu = require('./wechat/menu');


if (env === 'development') {
  dbUrl = 'mongodb://huangblogOne:huangblogOne@localhost:27017/huangblog';
}

const routes = require('./routes')
const pkg = require('./package')

mongoose.connect(dbUrl); // 连接mongodb本地数据库imovie
console.log('MongoDB connection success!');

const app = express()


app.use(bodyParser.xml({
  limit: "1MB", // Reject payload bigger than 1 MB
  xmlParseOptions: {
    normalize: true, // Trim whitespace inside text nodes
    normalizeTags: true, // Transform tags to lowercase
    explicitArray: false // Only put nodes in array if >1
  },
  verify: function(req, res, buf, encoding) {
    if (buf && buf.length) {
      // Store the raw XML
      req.rawBody = buf.toString(encoding || "utf8");
    }
  }
}));

// 因为后台录入页有提交表单的步骤，故加载此模块方法（bodyParser模块来做文件解析），将表单里的数据进行格式化
app.use(bodyParser.urlencoded({
  extended: true,
  "limit": "10000kb"
}));
// 设置模板目录
app.set('views', path.join(__dirname, './app/views'))
// 设置模板引擎为 ejs
app.set('view engine', 'ejs')
// 设置静态文件目录
app.use(express.static(path.join(__dirname, 'public')))
//session依赖于cookies
app.use(cookieParser());
app.use(session({
  secret: 'huang',
  cookie: { maxAge: 84000000 }, //1440000 84000000
  store: new mongoStore({
    url: dbUrl,
    collection: 'sessions'
  }),
  resave: false,
  saveUninitialized: true
}));

//app.use(logger('short'));
if ('development' === app.get('env')) {
  app.set('showStackError', true); //打印错误信息
  app.use(logger(':method :url :status')) //中间件
  app.locals.pretty = true; //格式化代码
  mongoose.set('debug', true) //数据库日志
}

// 路由
require('./routes')(app);
// 监听端口，启动程序
app.listen(port, function() {
  console.log('listening on port' + port)
})
app.locals.moment = require('moment'); // 载入moment模块，格式化日期

app.locals.searchJoin = function(Vold, Vnew) {
  var parsed = Object.assign({}, queryString.parse(Vold), Vnew)
  return queryString.stringify(parsed);
}