jquery和雅虎的yql服务实现天气预报服务示例

function getWeather() {

             $.getJSON("http://query.yahooapis.com/v1/public/yql", {
                 q: "select * from json where url=\"http://m.weather.com.cn/data/101210101.html\"",
                format: "json"
            }, function (data) {
                if (data.query.results) {
                    //$("#content").text(JSON.stringify(data.query.results));
                    var J_data = JSON.parse(JSON.stringify(data.query.results));
                     //alert(J_data.weatherinfo.city);
                       $("#content").append("

"+J_data.weatherinfo.city+"天气预报(数据来源中国天气网)"+"

");
                     $("#content").append("

"+J_data.weatherinfo.date_y+" "+J_data.weatherinfo.week+" "+J_data.weatherinfo.temp1+" "+J_data.weatherinfo.weather1+" "+J_data.weatherinfo.wind1+" "+J_data.weatherinfo.index+" "+J_data.weatherinfo.index_d+"

");
                     var t= J_data.weatherinfo.date_y;
                     t=t.replace("年","/");
                     t=t.replace("月","/");
                     t=t.replace("日","");

                     var tdy = new Date(t); 

                     var t2 = new Date();      

                  
                      t2.setDate(tdy.getDate()+1);

                   

                      $("#content").append("

"+ t2.Format("yyyy年MM月dd日")+" "+getweekdays(t2)+" "+J_data.weatherinfo.temp2+" "+J_data.weatherinfo.weather2+" "+J_data.weatherinfo.wind2+"

");

                       var t3 = new Date();

                      t3.setDate(tdy.getDate()+2);
                      $("#content").append("

"+t3.Format("yyyy年MM月dd日")+" "+getweekdays(t3)+" "+J_data.weatherinfo.temp3+" "+J_data.weatherinfo.weather3+" "+J_data.weatherinfo.wind3+"

");

                      var t4 = new Date();

                      t4.setDate(tdy.getDate()+3);
                      $("#content").append("

"+t4.Format("yyyy年MM月dd日")+" "+getweekdays(t4)+" "+J_data.weatherinfo.temp4+" "+J_data.weatherinfo.weather4+" "+J_data.weatherinfo.wind4+"

");

                      var t5 = new Date();

                      t5.setDate(tdy.getDate()+4);
                      $("#content").append("

"+t5.Format("yyyy年MM月dd日")+" "+getweekdays(t5)+" "+J_data.weatherinfo.temp5+" "+J_data.weatherinfo.weather5+" "+J_data.weatherinfo.wind5+"

");

                      var t6 = new Date();

                      t6.setDate(tdy.getDate()+5);
                      $("#content").append("

"+t6.Format("yyyy年MM月dd日")+" "+getweekdays(t6)+" "+J_data.weatherinfo.temp6+" "+J_data.weatherinfo.weather6+" "+J_data.weatherinfo.wind6+"

");

 

                     //alert(getweekdays(t2));

                } else {
                     $("#content").text('no such code: ' + code);
                 }
             });

          //$.getJSON("http://m.weather.com.cn/data/101210101.html", null, function(json) { alert(json); });            

        }

        function getweekdays(datey)
        {
           if(datey.getDay()==0)
           {
             return "星期日";
           }
           else if(datey.getDay()==1)
           {
              return "星期一";
           }
           else if(datey.getDay()==2)
           {
              return "星期二";
           }
           else if(datey.getDay()==3)
           {
              return "星期三";
           }
           else if(datey.getDay()==4)
           {
              return "星期四";
           }
           else if(datey.getDay()==5)
           {
              return "星期五";
           }
           else if(datey.getDay()==6)
           {
              return "星期六";
           }

 

        }