angular实现对百度天气api跨域请求

申请秘钥：http://lbsyun.baidu.com/apiconsole/key  ，有个百度账号就行ak=开发者秘钥

url地址  ：http://api.map.baidu.com/telematics/v3/weather?location=北京%E5%8C%97%E4%BA%AC&output=json&ak=tQydkkwXfEtSNgvAEHUr1v6u0GbXUvZo&&callback=JSON_CALLBACK

 var app=angular.module('app',[]);
 // //天气
 app.controller('weather',function ($scope,$http){
     $scope.t1= '北京';
     $scope.$watch('t1',function (){
         $http.jsonp('http://api.map.baidu.com/telematics/v3/weather?location='+$scope.t1+'&output=json&ak=tQydkkwXfEtSNgvAEHUr1v6u0GbXUvZo&callback=JSON_CALLBACK').success(function (data){
             $scope.lightNight='';//白天或者黑夜的图片
             $scope.city=data.results[0].currentCity;
             $scope.temperature = data.results[0].weather_data[0].temperature;
             //白天黑夜
             var oDate = new Date();
             var oH = oDate.getHours();
             if (oH > 6 && oH < 18) {
                 $scope.lightNight = data.results[0].weather_data[0].dayPictureUrl;
             }else{
                 $scope.lightNight = data.results[0].weather_data[0].nightPictureUrl;
             }
         });
     });
 });