student.dtd

这个是学习网络编程的好好文档！ 里面有一些老师发给的学习jsp的课件！

<!ELEMENT university (accountdata)+>
<!ELEMENT class (teacher,student)>
<!ELEMENT teacher (teachername,lession)>
<!ELEMENT teachername (#PCDATA)>
<!ELEMENT lession (#PCDATA)>
<!ELEMENT student (studentname,sex)>
<!ELEMENT studentname (#PCDATA)>
<!ELEMENT sex (#PCDATA)>
<!ATTLIST teacher 
	id ID #REQUIRED 
	charge CDATA #IMPLIED>
<!ATTLIST lession id ID #REQUIRED>