java发起http请求提交表单

String strHtml = "";strHtml+="<form name=\"chinapnrPay\" id=\"chinapnrPay\" action=\"http://test.chinapnr.com/gar/RecvMerchant.do\" method=\"post\">";strHtml+="<input type=\"hidden\" name=\"Version\" value=\""+Version+"\"/>";strHtml+="<input type=\"hidden\" name=\"CmdId\" value=\""+CmdId+"\"/>";strHtml+="<input type=\"hidden\" name=\"MerId\" value=\""+MerId+"\"/>";strHtml+="<input type=\"hidden\" name=\"OrdId\" value=\""+OrdId+"\"/>";strHtml+="<input type=\"hidden\" name=\"OrdAmt\" value=\""+OrdAmt+"\"/>";strHtml+="<input type=\"hidden\" name=\"CurCode\" value=\""+CurCode+"\"/>";strHtml+="<input type=\"hidden\" name=\"Pid\" value=\""+Pid+"\"/>";strHtml+="<input type=\"hidden\" name=\"RetUrl\" value=\""+RetUrl+"\"/>";strHtml+="<input type=\"hidden\" name=\"BgRetUrl\" value=\""+BgRetUrl+"\"/>";strHtml+="<input type=\"hidden\" name=\"MerPriv\" value=\""+MerPriv+"\"/>";strHtml+="<input type=\"hidden\" name=\"GateId\" value=\""+GateId+"\"/>";strHtml+="<input type=\"hidden\" name=\"UsrMp\" value=\""+UsrMp+"\"/>";strHtml+="<input type=\"hidden\" name=\"DivDetails\" value=\""+DivDetails+"\"/>";strHtml+="<input type=\"hidden\" name=\"PayUsrId\" value=\""+PayUsrId+"\"/>";strHtml+="<input type=\"hidden\" name=\"ChkValue\" value=\""+ChkValue+"\"/>";//strHtml+="<input type=\"submit\" name=\"submit\" value=\"提交到快钱\">";strHtml+="</form>";strHtml+="<script type=\"text/javascript\">document.forms['chinapnrPay'].submit();</script>";