onLoad: function() {  
    that = this;  
    wx.request( {  
      url: "http://op.juhe.cn/onebox/weather/query",  
      header: {  
        "Content-Type": "application/x-www-form-urlencoded"  
      },  
      method: "POST",  
     //data: { cityname: "上海", key: "1430ec127e097e1113259c5e1be1ba70" },  
      data: Util.json2Form( { cityname: "上海", key: "1430ec127e097e1113259c5e1be1ba70" }),  
      complete: function( res ) {  
        that.setData( {  
          toastHidden: false,  
          toastText: res.data.reason,  
          city_name: res.data.result.data.realtime.city_name,  
          date: res.data.result.data.realtime.date,  
          info: res.data.result.data.realtime.weather.info,  
        });  
        if( res == null || res.data == null ) {  
          console.error( '网络请求失败' );  
          return;  
        }  
      }  
    })  
  }