Hibernate学习笔记三 多表

一对多|多对一

表中的表达

实体中的表达

实体代码：

package com.yyb.domain;

import java.util.HashSet;
import java.util.Set;

public class Customer {
    
    /*
     * CREATE TABLE `cst_customer` (
      `cust_id` BIGINT(32) NOT NULL AUTO_INCREMENT COMMENT '客户编号(主键)',
      `cust_name` VARCHAR(32) NOT NULL COMMENT '客户名称(公司名称)',
      `cust_source` VARCHAR(32) DEFAULT NULL COMMENT '客户信息来源',
      `cust_industry` VARCHAR(32) DEFAULT NULL COMMENT '客户所属行业',
      `cust_level` VARCHAR(32) DEFAULT NULL COMMENT '客户级别',
      `cust_linkman` VARCHAR(64) DEFAULT NULL COMMENT '联系人',
      `cust_phone` VARCHAR(64) DEFAULT NULL COMMENT '固定电话',
      `cust_mobile` VARCHAR(16) DEFAULT NULL COMMENT '移动电话',
      PRIMARY KEY (`cust_id`)
    ) ENGINE=INNODB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8;
     */
    private Long cust_id;
    
    private String cust_name;
    private String cust_source;
    private String cust_industry;
    private String cust_level;
    private String cust_linkman;
    private String cust_phone;
    private String cust_mobile;
    //使用set集合,表达一对多关系
    private Set<LinkMan> linkMens = new HashSet<LinkMan>();
    
    public Set<LinkMan> getLinkMens() {
        return linkMens;
    }
    public void setLinkMens(Set<LinkMan> linkMens) {
        this.linkMens = linkMens;
    }
    public Long getCust_id() {
        return cust_id;
    }
    public void setCust_id(Long cust_id) {
        this.cust_id = cust_id;
    }
    public String getCust_name() {
        return cust_name;
    }
    public void setCust_name(String cust_name) {
        this.cust_name = cust_name;
    }
    public String getCust_source() {
        return cust_source;
    }
    public void setCust_source(String cust_source) {
        this.cust_source = cust_source;
    }
    public String getCust_industry() {
        return cust_industry;
    }
    public void setCust_industry(String cust_industry) {
        this.cust_industry = cust_industry;
    }
    public String getCust_level() {
        return cust_level;
    }
    public void setCust_level(String cust_level) {
        this.cust_level = cust_level;
    }
    public String getCust_linkman() {
        return cust_linkman;
    }
    public void setCust_linkman(String cust_linkman) {
        this.cust_linkman = cust_linkman;
    }
    public String getCust_phone() {
        return cust_phone;
    }
    public void setCust_phone(String cust_phone) {
        this.cust_phone = cust_phone;
    }
    public String getCust_mobile() {
        return cust_mobile;
    }
    public void setCust_mobile(String cust_mobile) {
        this.cust_mobile = cust_mobile;
    }
    @Override
    public String toString() {
        return "Customer [cust_>;
    }
    
    
    

}

Customer