POST接口时头部参数如下：
User-Agent: FiddlerHost: api.***.comContent-Length: 73Content-Type: application/json
Request Body应该如下传递参数：
{"category":"9","sort_key":"0","sort_value":"0","page":"1","per_page":10}Fiddler Web Debugger简单调试头部参数
原文地址：http://www.cnblogs.com/firstcsharp/p/7586243.html