嗨
尝试更改
requestUrl ="https://securevar.paymentech.com/manager";

到
requestUrl ="https://securevar.paymentech.com/manager/";

这应该可行，因为您将获得302重定向，问题是

和您的帖子网址

Hi
try changing
requestUrl = "https://securevar.paymentech.com/manager";

to
requestUrl = "https://securevar.paymentech.com/manager/";

this should work, as you are getting 302 redirect the problem is

with your post URL