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Commitc5905f0

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hibernate oneToMany, ManyToOne, ManyToMany
1 parent72adf63 commitc5905f0

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/target/
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eclipse.preferences.version=1
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encoding//src/main/java=UTF-8
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encoding//src/test/java=UTF-8
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encoding/<project>=UTF-8
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eclipse.preferences.version=1
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org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
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org.eclipse.jdt.core.compiler.codegen.targetPlatform=1.6
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org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
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org.eclipse.jdt.core.compiler.compliance=1.6
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org.eclipse.jdt.core.compiler.debug.lineNumber=generate
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org.eclipse.jdt.core.compiler.debug.localVariable=generate
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org.eclipse.jdt.core.compiler.debug.sourceFile=generate
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org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
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org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
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org.eclipse.jdt.core.compiler.problem.forbiddenReference=warning
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org.eclipse.jdt.core.compiler.source=1.6
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activeProfiles=
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eclipse.preferences.version=1
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resolveWorkspaceProjects=true
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version=1
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default.configuration=
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eclipse.preferences.version=1
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hibernate3.enabled=true
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eclipse.preferences.version=1
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org.jboss.ide.eclipse.as.core.singledeployable.deployableList=

‎Hibernate/entityManyToMany/pom.xml‎

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<projectxmlns="http://maven.apache.org/POM/4.0.0"xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>com.imooc</groupId>
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<artifactId>entity</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<packaging>jar</packaging>
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<name>entity</name>
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<url>http://maven.apache.org</url>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.hibernate</groupId>
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<artifactId>hibernate-core</artifactId>
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<version>4.1.0.Final</version>
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</dependency>
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<dependency>
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<groupId>junit</groupId>
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<artifactId>junit</artifactId>
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<version>4.10</version>
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<scope>test</scope>
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</dependency>
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<!-- https://mvnrepository.com/artifact/mysql/mysql-connector-java-->
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<dependency>
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<groupId>mysql</groupId>
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<artifactId>mysql-connector-java</artifactId>
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<version>5.1.40</version>
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</dependency>
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</dependencies>
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</project>
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<?xml version="1.0"?>
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<!DOCTYPEhibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
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"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
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<!-- Generated 2017-2-7 21:07:07 by Hibernate Tools 3.4.0.CR1-->
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<hibernate-mapping>
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<classname="com.imooc.entity.Employee"table="employee">
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<idname="empid"type="int">
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<columnname="empid" />
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<generatorclass="assigned" />
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</id>
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<propertyname="empname"type="java.lang.String">
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<columnname="empname"length="20"not-null="true" />
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</property>
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<setname="projects"table="proemp">
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<key>
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<columnname="rempid" />
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</key>
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<many-to-manyclass="com.imooc.entity.Project"column="rproid" />
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</set>
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</class>
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</hibernate-mapping>
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packagecom.imooc.entity;
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importjava.io.Serializable;
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importjava.util.HashSet;
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importjava.util.Set;
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publicclassEmployeeimplementsSerializable {
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privateintempid;
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privateStringempname;
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// 添加一个项目的集合
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privateSet<Project>projects =newHashSet<Project>();
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publicEmployee() {
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// TODO Auto-generated constructor stub
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}
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publicEmployee(intempid,Stringempname) {
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this.empid =empid;
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this.empname =empname;
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}
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@Override
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publicStringtoString() {
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return"Employee [empid=" +empid +", empname=" +empname +"]";
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}
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publicintgetEmpid() {
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returnempid;
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}
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publicvoidsetEmpid(intempid) {
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this.empid =empid;
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}
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publicStringgetEmpname() {
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returnempname;
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}
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publicvoidsetEmpname(Stringempname) {
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this.empname =empname;
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}
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publicSet<Project>getProjects() {
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returnprojects;
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}
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publicvoidsetProjects(Set<Project>projects) {
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this.projects =projects;
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}
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}
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<?xml version="1.0"?>
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<!DOCTYPEhibernate-mapping PUBLIC "-//Hibernate/Hibernate Mapping DTD 3.0//EN"
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"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
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<!-- Generated 2017-2-7 10:25:55 by Hibernate Tools 3.4.0.CR1-->
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<hibernate-mapping>
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<classname="com.imooc.entity.Grade"table="grade">
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<idname="gid"type="int">
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<columnname="gid" />
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<generatorclass="increment" />
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</id>
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<propertyname="gname"type="java.lang.String">
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<columnname="gname"length="20"not-null="true" />
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</property>
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<propertyname="gdesc"type="java.lang.String">
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<columnname="gdesc" />
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</property>
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<setname="students"table="student"inverse="false"lazy="true"cascade="save-update">
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<key>
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<columnname="gid" />
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</key>
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<one-to-manyclass="com.imooc.entity.Student" />
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</set>
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</class>
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</hibernate-mapping>

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