hibernate多对多例子.ppt

  1. 1、本文档共17页,可阅读全部内容。
  2. 2、有哪些信誉好的足球投注网站(book118)网站文档一经付费(服务费),不意味着购买了该文档的版权,仅供个人/单位学习、研究之用,不得用于商业用途,未经授权,严禁复制、发行、汇编、翻译或者网络传播等,侵权必究。
  3. 3、本站所有内容均由合作方或网友上传,本站不对文档的完整性、权威性及其观点立场正确性做任何保证或承诺!文档内容仅供研究参考,付费前请自行鉴别。如您付费,意味着您自己接受本站规则且自行承担风险,本站不退款、不进行额外附加服务;查看《如何避免下载的几个坑》。如果您已付费下载过本站文档,您可以点击 这里二次下载
  4. 4、如文档侵犯商业秘密、侵犯著作权、侵犯人身权等,请点击“版权申诉”(推荐),也可以打举报电话:400-050-0827(电话支持时间:9:00-18:30)。
查看更多
hibernate多对多例子

hibernate多对多例子 1.建表 create ? table ?student (sid? varchar ( 32 )? not ? null ? primary ? key , ?sname? varchar ( 16 ), ?sage? varchar ( 16 ), ) create ? table ?course (cid? varchar ( 32 )? not ? null ? primary ? key , cname? varchar ( 16 ) ) create ? table ?student_course_link (sid? varchar ( 32 )? not ? null , cid? varchar ( 32 )? not ? null , primary ? key (sid,cid) ) 2.写VO StudentVO package?com.test; import?java.util.Set; public?class?Student { ????private?String?sid; ????private?String?sname; ????private?String?sage; ????private?Set?course; ????public?Student() ????{ ????} ???//写上get?set Course vo package?com.test; import?java.util.Set; public?class?Course { ????private?String?cid; ????private?String?cname; ????private?Set?student; ???//写上get?set 写配置文件 Student.hbm.xml ?xml?version=1.0? !DOCTYPE?hibernate-mapping ????PUBLIC?-//Hibernate/Hibernate?Mapping?DTD//EN ????/hibernate-mapping-2.0.dtd hibernate-mapping ????class?name=com.test.Student?table=student? ????????id?name=sid?type=string?unsaved-value=null? ????????????column?name=sid?sql-type=char(32)?not-null=true/ ????????????generator?class=uuid.hex/ ????????/id property?name=sname ????????????column?name=sname?sql-type=varchar(16)?not-null=true/ ????????/property ????????property?name=sage ????????????column?name=sage?sql-type=varchar(16)?not-null=true/ ????????/property ????????set?name=course?table=student_course_link?cascade=all?outer-join=false ????????????key?column=sid/ ????????????many-to-many?class=com.test.Course?column=cid/ ????????/set ??? ????/class /hibernate-mapping property name=cname column name=cname sql-type=varchar(16) not-null=true/ /property set name=student table=student_course_link lazy=false cascade=all key column=cid/ many-to-many class=com.test.Student column=sid/ /set /class /hibernate-mapping 写测试类 package?com.test; impo

文档评论(0)

ligennv1314 + 关注
实名认证
内容提供者

该用户很懒,什么也没介绍

1亿VIP精品文档

相关文档