分享下知心天气jsonp跨域访问的代码

 var myWeather = (function(){
        var funShun = "https://api.thinkpage.cn/v3/weather/now.json?location=Fushun&callback=showWeather&"
        return {
            el : {},
            init : function(){
                var that = this;
                $.extend(that.el,{
                    'nowWeather' : $('.now-weather'),
                    'nowTemperature' : $('.now-temperature')
                })
            },
            getUrl : function(){
                var time = Math.round(new Date().getTime()/1000);
                var str = "ts=" + time + "&ttl=30&uid=UF4C86B626";
                var hash = CryptoJS.HmacSHA1(str, "nvczde0rd9tkkr3o");
                var base = hash.toString(CryptoJS.enc.Base64);
                var sig = encodeURIComponent(base); 
                var url = funShun  + str + "&sig=" + sig;
                return url;
            },
            getWeather : function(){
                var that = this;
                console.log(that.el.nowWeather)
                $.ajax({
                    url:that.getUrl(),
                    jsonp : 'callback',
                    jsonpCallback : 'showWeather',
                    success : function(data){
                       function showWeather(data){
                            that.el.nowWeather.html(data.results[0].now.text)
                            that.el.nowTemperature.html(data.results[0].now.temperature)
                            $.cookie('weather', JSON.stringify(data))
                       }
                       eval(data);
                    }
                })
            },
            rundev : function(){
                this.init();
                if($.cookie('weather') !=''){
                    var weather =  $.parseJSON($.cookie('weather'))
                    this.el.nowWeather.html(weather.results[0].now.text)
                    this.el.nowTemperature.html(weather.results[0].now.temperature)
                }else{
                    this.getWeather();
                }
            }
        }
    })()
    myWeather.rundev();