java解析xml问题

<?xml version="1.0" encoding="UTF-8"?>
<QUERYCONDITION recordsperpage="10">
<PREDICATE/>
<CONDITIONS>
<CONDITION>
<LOGIC> and </LOGIC>
<FIELDNAME sv="">A.AJBS</FIELDNAME>
<OPERATION>=</OPERATION>
<VALUE>2</VALUE>
<FIELDTYPE>text</FIELDTYPE>
<FIELDFORMAT/>
</CONDITION>
<CONDITION>
<LOGIC> and </LOGIC>
<FIELDNAME sv="lihw">B.BAR</FIELDNAME>
<OPERATION>=</OPERATION>
<VALUE>lihw</VALUE>
<FIELDTYPE>text</FIELDTYPE>
<FIELDFORMAT/>
</CONDITION>
<CONDITION>
<LOGIC> and </LOGIC>
<FIELDNAME sv="">C.XM</FIELDNAME>
<OPERATION>like</OPERATION>
<VALUE>%王%</VALUE>
<FIELDTYPE>text</FIELDTYPE>
<FIELDFORMAT/>
</CONDITION>
</CONDITIONS>
</QUERYCONDITION>


public Document zhbar(Document doc)
{
String queryCode = "";
Element eleClone = null;
List list = doc.selectNodes("//CONDITIONS/CONDITION");
Iterator iter = list.iterator();
Element element = null;
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