我通过一个方法获得相应的参数,我想通过这些参数生成一个XML,如: <?xml version="1.0" encoding="GB2312"?> 
<DOC_APPROVEINFO> 
<WORKFLOWNODE  NODENAME="开始" > 
<WORKFLOWINFOS NAME="count" VALUE="1"> 
  <WORKFLOWINFO  NAME="time" VALUE="2008-07-22 09:00:10"/> 
  <WORKFLOWINFO NAME="person" VALUE="zhangsan"/> 
  <WORKFLOWINFO NAME="idea" VALUE="OK"/> 
</WORKFLOWINFOS> 
</WORKFLOWNODE > 
    
<WORKFLOWNODE  NODENAME="结束"/> 
<WORKFLOWINFO  NAME="count" VALUE="1"> 
  <WORKFLOWINFO  NAME="time" VALUE="2008-07-22 09:00:10"/> 
  <WORKFLOWINFO NAME="person" VALUE="zhangsan"/> 
  <WORKFLOWINFO NAME="idea" VALUE="OK"/> 
    </WORKFLOWINFO> 
    <WORKFLOWINFO NAME="count" VALUE="2"> 
  <WORKFLOWINFO  NAME="time" VALUE="2008-07-22 09:00:10"/> 
  <WORKFLOWINFO NAME="person" VALUE="zhangsan"/> 
  <WORKFLOWINFO NAME="idea" VALUE="OK"/> 
      </WORKFLOWINFO> 
      <WORKFLOWINFO NAME="count" VALUE="3"> 
  <WORKFLOWINFO  NAME="time" VALUE="2008-07-22 09:00:10"/> 
  <WORKFLOWINFO NAME="person" VALUE="zhangsan"/> 
  <WORKFLOWINFO NAME="idea" VALUE="OK"/> 
      </WORKFLOWINFO> 
</WORKFLOWNODE > 
请问我如何生成,当生成XML后我要通过SOAP消息发出去,我如何去做,谢谢大家了