var obj = {
    property_1:   value_1,   // property_# 可能是一个标识符...
    2:            value_2,   // 或者是一个数字
    // ...,
    "property n": value_n    // 或是一个字符串};

Array.prototype.unique1 = function () {
    // 构建一个新数组，存放结果
    var newArray = [this[0]];    // for循环，每次从原数组中取出一个元素
    // 用取出的元素循环与结果数组对比
    for (var i = 1; i < this.length; i++) {        var repeat = false;        for (var j=0; j < newArray.length; j++) {            // 原数组取出的元素与结果数组元素相同
            if(this[i] == newArray[j]) {
                repeat = true;                break;
            }
        }        if(!repeat) {            // 如果结果数组中没有该元素，则存放到结果数组中
            newArray.push(this[i]);
        }
    }    return newArray;
}

app.use(express.basicAuth('username', 'password'));

app.use(express.basicAuth(function(user, pass){
  return 'tj' == user && 'wahoo' == pass;
}));

app.use(connect.basicAuth(function(user, pass, fn){
  User.authenticate({ user: user, pass: pass }, fn);
}))

var express = require('express')
var path=require('path')


var mongoose=require('mongoose')
var dbUrl='mongodb://127.0.0.1/zbyou'
	mongoose.connect(dbUrl)

var session = require('express-session')
var mongoStore=require('connect-mongo')(session)

var serveStatic = require('serve-static')
var bodyParser=require('body-parser')
var cookieParser=require('cookie-parser')

var port=process.env.PORT||3001
var app=express()
	app.listen(port)

<!--more-->
app.use(bodyParser.json())
app.use(bodyParser.urlencoded({extended:false}))
app.use(function(req, res, next) {
    res.setHeader('Access-Control-Allow-Origin', '*')
    res.setHeader('Access-Control-Allow-Methods', 'GET, POST')
    res.setHeader('Access-Control-Allow-Headers', 'X-Requested-With,content-type, Authorization');
    next()
})

app.use(cookieParser())
app.use(session({
	secret:'zbyou',
	saveUninitialized: true,
	resave: false,
	store: new mongoStore({
		url:dbUrl,
		collection:'sessions'
	})
}))

app.set('views', path.join(__dirname, '../font-end/managem/views'))//设置view的路径 编译jade
app.set('view engine', 'jade')

app.use(serveStatic(path.join(__dirname,'../')))//相对app.js来说 设置静态资源的路劲起点css jpg js等
app.locals.moment=require('moment')

require('./config/routes')(app)

console.log('zbyou started on port ' + port)

var c = document.createElement('canvas');
context = c.getContext('2d');

var hiddenImage = new Image();
hiddenImage.src=图片地址
 context .drawImage(hiddenImage, 0, 0, width, height);
   hiddenImage .onload=function(){
    context.putImageData(hiddenImage, 0, 0);
}