junit 如何测试post请求 、去请求servlet？？
http://wenku.baidu.com/link?url=m-YXnEMRvzdrj4o0fP1xvq1vpl2DqwN6TFUX68-HlHs_nofT0XZI4Z4CN7xNFS5DCLRu3ixR8g0hSSTN5Msf2XpD5irF2gwBIviMQ6pAPoC