爬虫payload 方式的request头如何伪造,请大神赐教。

[Merlyj]

POST 请求的地址：
Request URL:http://www.gaggzy.com/TrueLoreAjax/TrueLore.Web.WebUI.WebAjaxService,TrueLore.Web.WebUI.ashx
Request Hearder：
Accept:*/*
Accept-Encoding:gzip, deflate
Accept-Language:zh-CN,zh;q=0.8
Ajax-method:GetPageJSGCXXFB
Connection:keep-alive
Content-Length:55
Content-Type:text/plain; charset=UTF-8
Cookie:ASP.NET_SessionId=xoug2uqy24ttkikg25xpdcdd
Host:www.gaggzy.com
Origin:http://www.gaggzy.com
Referer:http://www.gaggzy.com/Jyweb/JSGCXXFBList.aspx?Type=%e5%bb%ba%e8%ae%be%e5%b7%a5%e7%a8%8b&SubType=260
User-Agent:Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/53.0.2783.4 Safari/537.36
Request Payload：
[45,15,"FBSJ DESC","GCBH","","XXLB = 260"]1477470395453
网页原代码：

[Merlyj]

想了好久，网上也看了好久，都没找到解决办法。