<?xml version="1.0" encoding="UTF-8"?>
<!ELEMENT movies (movie+)>
<!ELEMENT movie (title,actor+,rating)>
<!ELEMENT title (#PCDATA)>
<!ELEMENT actor (#PCDATA)>
<!ELEMENT rating (#PCDATA)>
<!ATTLIST movie id ID #REQUIRED>
<!ATTLIST movie type CDATA #IMPLIED>
/*******xml*******/按照xml写dtd
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转载自blog.csdn.net/mayuqing98/article/details/83096985
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