dtd文件

<?xml version="1.0" encoding="UTF-8"?>
<!ELEMENT Contacts (Person*)>
<!ELEMENT Person (Name, Address, Phone, Email)>
<!ATTLIST Person Sex (男|女) "男">
<!ELEMENT Name (#PCDATA)>
<!ELEMENT Address (Country, Province, City)>
<!ELEMENT Country (#PCDATA)>
<!ELEMENT Province (#PCDATA)>
<!ELEMENT City (#PCDATA)>
<!ELEMENT Phone (#PCDATA)>
<!ELEMENT Email (#PCDATA)>