数据抓包工具得到的postdata _data 值如：<FormInfo formid="formUserInfo" setname="com.asiainfo.crm.
datamodel="com.ai.appframe2.web.datamodel.MethodModelForService" editable="false"
implservice_name="com.asiainfo.crm.so.query.service.interfaces.IPersonalGeneralInfoQuerySV"
implservice_querymethod="getUserGeneralInfo(String billId)" conditionname="condition"
cols="USER_TYPE;BRAND;PASSWORD_TYPE;OFFER;ICC_ID;IMSI;PUK1;PUK2;PIN1;
CREDIT_VALUE;OS_STATE;SIM_TYPE;VIP;MANAGER_NAME;CONT_MOBILE;ACTIVE_DATE;NETWORK_CHANNEL;DONE_DATE;REGION_ID;COUNTRY_CODE;OFFER_DESCRIPTION;ACCT_CREDIT_ID;MALE_USER"  >
</FormInfo>

怎么用idhttp提交post ，请各高手指教