nodejs 入口app.js 分解

app.js
 
 
/**
 * Module dependencies.
 */
 
//加载模块
var util = require('util');
var http = require('http');
var path = require('path');
var routes = require('./routes');
var express = require('express');
 
//添加插件模块
var MongoStore = require('connect-mongodb');
var dbConfigure = require('./db_configure').configure;
var partials = require('express-partials');
var flash = require('connect-flash');
 
//定义app
var app = express();
 
var sessionStore = new MongoStore({
    db: dbConfigure.db
}, function () {
    console.log('connect mongodb success...');
});
 
// 文件配置 all environments
app.configure(function () {
 
    app.set('port', process.env.PORT || 3000);
    app.set('views', __dirname + '/views');
    app.set('view engine', 'jade');
 
    app.use(partials());
    app.use(flash());
    app.use(express.favicon());
    app.use(express.logger('dev'));
    app.use(express.bodyParser());
    app.use(express.methodOverride());
 
    app.use(express.cookieParser());
    app.use(express.cookieSession({
        secret: dbConfigure.cookieSecret,
        cookie: {
            maxAge: 60000 * 30 //20 minutes
        },
        store: sessionStore
    }));
    app.use(app.router);
    app.use(express.static(__dirname + '/public'));
});
 
//添加路由
// routes(app);
---------------- routes/index.js --------------
module.exports = function (app) {
    app.get('/query', function (req, res) {
 
    });
};
--------------------------------------------
app.get('/', routes.index);
app.get('/reg', routes.reg);
app.post('/reg', routes.doReg);
app.get('/login', routes.login);
app.post('/login', routes.doLogin);
app.get('/logout', routes.logout);
 
 
// development only
if ('development' == app.get('env')) {
    app.use(express.errorHandler());
}
 
//启动服务
http.createServer(app).listen(app.get('port'), function () {
    console.log('服务器已启动，监听：' + app.get('port'));
});
 
//输出日志
console.log(util.inspect([new MongoStore({
    db: dbConfigure.db_name
})], true, 4, true));