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;

             }

         });

     });

 });