system.dtd

来自「一个用java开发的具有搜索功能的图书管理系统」· DTD 代码 · 共 27 行

<?xml version="1.0" encoding="GB2312"?>
<!ELEMENT System (BorrowTerm,BorrowSum,PenltyPerDay,Database,Pagination,BookSort*)>

<!--设置借阅期、借阅量和逾期罚款-->
<!ELEMENT BorrowTerm (#PCDATA)>
	<!ATTLIST BorrowTerm unit (日|周|月) "月">
<!ELEMENT BorrowSum (#PCDATA)>
<!ELEMENT PenltyPerDay (#PCDATA)>
	<!ATTLIST  PenltyPerDay unit (分|角|元) "元">

<!--设置数据库-->
<!ELEMENT Database (MySQL)>
<!ELEMENT MySQL (ReferentialIntegrity)>
	<!ATTLIST MySQL administrator ID #REQUIRED
		            password CDATA #REQUIRED
	>
<!--设置参照完整性-->
<!ELEMENT ReferentialIntegrity EMPTY>
	<!ATTLIST ReferentialIntegrity delete (RESTRICT|CASCADE|SETNULL|NOACTION) "CASCADE"
								   update (RESTRICT|CASCADE|SETNULL|NOACTION) "CASCADE"
	>

<!--设置分页参数-->
<!ELEMENT Pagination (RecordCount)>
<!ELEMENT RecordCount (#PCDATA)>
<!--设置图书分类-->
<!ELEMENT  BookSort (#PCDATA)>