code 5.7.xml

开发web_xml

<?xml version= "1.0"?>
<!DOCTYPE  LEAGUE [
<!ELEMENT TEAM (MEMBER*)>
<!ELEMENT  MEMBER (#PCDATA)>
<!ATTLIST MEMBER CODE CDATA #REQUIRED>

]>

<TEAM>
  <MEMBER  CODE="5">Li Tie </MEMBER >
  <MEMBER  CODE="20"> Yang Chen </MEMBER >
  <MEMBER  CODE="2"> Zhang En Hua</MEMBER >
</TEAM >