btnclick:function(){
    var that = this;
    wx.request({
      
      url: 'http://www.k1998.xyz/kjh/reciever.php',
      success: (result) => {
       console.log(result.data);
       //this.msg = result.data[1].receiver;
       //console.log(this.msg);
       that.setData({
        msg:result.data[1].receiver
      })
      }
    });
    
  }