dtd方式文档定义

<?xml version="1.0" encoding="UTF-8"?><!ELEMENT department (employee)><!ATTLIST department id CDATA #REQUIRED><!ELEMENT employee (name,title,staff?)><!ELEMENT name (#PCDATA)><!ELEMENT personal (department+)><!ELEMENT staff (employee+)><!ELEMENT title (#PCDATA)>

<?xml version="1.0" encoding="UTF-8"?><!DOCTYPE personal SYSTEM "t2.dtd"><personal><department id="销售部门"><employee><name>宋江</name><title>副总经理</title><staff><employee><name>柴进</name><title>经理</title><staff><employee><name>武松</name><title>销售人员</title></employee><employee><name>李逵</name><title>销售人员</title></employee></staff></employee><employee><name>公孙胜</name><title>财物主管</title></employee></staff></employee></department><department id="管理部门"><employee><name>卢俊义</name><title>副总经理</title><staff><employee><name>林冲</name><title>经理</title><staff><employee><name>关胜</name><title>职员</title></employee><employee><name>扈三娘</name><title>职员</title></employee></staff></employee><employee><name>阮小二</name><title>主管</title></employee></staff></employee></department><department id="市场部门"><employee><name>吴用</name><title>副总经理</title><staff><employee><name>时迁</name><title>擢升主管</title></employee><employee><name>戴宗</name><title>广告主管</title></employee></staff></employee></department></personal>