swift开发之json数据获取

import UIKit
//创建URL
var strUrl = "http://www.weather.com.cn/data/sk/101210501.html"
var url = NSURL(string: strUrl)


//获取数据
var data = NSData(contentsOfURL: url!, options: NSDataReadingOptions(), error: nil)
var json: AnyObject? = NSJSONSerialization.JSONObjectWithData(data!, options: NSJSONReadingOptions.AllowFragments, error: nil)


//解析json格式的数据(字典)
var weatherinfo: AnyObject? = json?.objectForKey("weatherinfo")
var temp2: AnyObject? = weatherinfo?.objectForKey("city")
var temp1: AnyObject? = weatherinfo?.objectForKey("temp")

var weather: AnyObject? = weatherinfo?.objectForKey("WD")

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