[Htmlunit-user] i want to set cookies as a single request header, can you help me

[b. <bo...@fo...>]

hi,i don't know how to set  cookies as a single request header,can you help me? thank you very much.
 reason:
 A web app that I'm trying to get with htmlunit but it doesn't work. 
 when i browse the web app on ie first,then try to use htmlunit to get the web,it can works.