Hibernate课程 初探多对多映射2-4 测试

Posted 2020-12-26 扈江离与辟芷兮，纫秋兰以为佩。

package com.ddwei.test;

import org.hibernate.Session;
import org.hibernate.Transaction;

import com.ddwei.entity.Employee2;
import com.ddwei.entity.Project;
import com.ddwei.util.HibernateUtil;

/**
 * 
 * @author weijingli
 *
 */
public class Test {
    
    /**
     * 关联关系交由Project来管理，需要在Employee2.hbm.xml中设置反转;
     * 为了删除项目时，级联删除员工，所以需要在Project.hbm.xml中设置级联 记得cfg.xml 配置hbm.xml
     * @param args
     */
    public static void main(String[] args) {
        Employee2 emp1 = new Employee2(1,"苏妲己");
        Employee2 emp2 = new Employee2(2,"白素贞");
        Project pro1 = new Project(1, "苏州银行");
        Project pro2 = new Project(2, "杭州银行");
        pro1.getEmployees().add(emp1);
        pro2.getEmployees().add(emp1);
        pro2.getEmployees().add(emp2);
        
        Session session1 = HibernateUtil.getSession();
        Transaction trans1 = session1.beginTransaction();
        session1.save(pro1);
        session1.save(pro2);
        trans1.commit();
        HibernateUtil.closeSession(session1);
        
    }

}