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name=NCName
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<xs:attribute name="attr1" type="string"/>
<xs:attribute name="attr2" type="integer"/>
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<xs:attributeGroup ref="personattr"/>
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package com.dc.framework.taglib;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List; &nb ......
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<root>
<person id="1">
<username >xiaoma</username>
<password>xiaoma</password>
</person>
<person id="2">
<username>manager</username> ......