绑定目标的方法和属性必须是固定的。
The methods and attributes of your binding target must be fixed.
您正在建立的方法和属性有sample类。
You are establishing which methods and attributes will have the Sample class.
要注意这些方法和属性都与发送请求及处理响应有关。
Notice that each of these methods and properties relate to sending a request and dealing with a response.
应用推荐