packagexyz.ytfs.entity;importorg.springframework.test.context.ContextConfiguration;import javax.persistence.*;importjava.util.HashSet;importjava.util.Set;/*** @Classname Customer

* @Description TODO(客户的实体类)

* @Date 2020/5/8 23:20

* @Created by ytfs*/@Entity

@Table(name= "cst_customer")public classCustomer {/*** CREATE TABLE `cst_linkman` (

* `lkm_id` bigint(32) NOT NULL AUTO_INCREMENT COMMENT '联系人编号(主键)',

* `lkm_name` varchar(16) DEFAULT NULL COMMENT '联系人姓名',

* `lkm_gender` char(1) DEFAULT NULL COMMENT '联系人性别',

* `lkm_phone` varchar(16) DEFAULT NULL COMMENT '联系人办公电话',

* `lkm_mobile` varchar(16) DEFAULT NULL COMMENT '联系人手机',

* `lkm_email` varchar(64) DEFAULT NULL COMMENT '联系人邮箱',

* `lkm_position` varchar(16) DEFAULT NULL COMMENT '联系人职位',

* `lkm_memo` varchar(512) DEFAULT NULL COMMENT '联系人备注',

* `lkm_cust_id` bigint(32) NOT NULL COMMENT '客户id(外键)',

* PRIMARY KEY (`lkm_id`),

* KEY `FK_cst_linkman_lkm_cust_id` (`lkm_cust_id`),

* CONSTRAINT `FK_cst_linkman_lkm_cust_id` FOREIGN KEY (`lkm_cust_id`) REFERENCES `cst_customer` (`cust_id`) ON DELETE NO ACTION ON UPDATE NO ACTION

* ) ENGINE=InnoDB AUTO_INCREMENT=3 DEFAULT CHARSET=utf8;*/@Id

@GeneratedValue(strategy=GenerationType.IDENTITY)

@Column(name= "cust_id")privateLong custId;

@Column(name= "cust_name")privateString custName;

@Column(name= "cust_source")privateString custSource;

@Column(name= "cust_industry")privateString custIndustry;

@Column(name= "cust_level")privateString custLevel;

@Column(name= "cust_address")privateString custAddress;

@Column(name= "cust_phone")privateString custPhone;/*表达一对多的关系*/

/*** * 使用注解的形式配置多表关系

* 1.声明关系

* @OneToMany : 配置一对多关系

* targetEntity ：对方对象的字节码对象

* 2.配置外键(中间表)

* @JoinColumn : 配置外键

* name：外键字段名称

* referencedColumnName：参照的主表的主键字段名称

*

* *在客户实体类上(一的一方)添加了外键了配置，所以对于客户而言，也具备了维护外键的作用*/

//@OneToMany(targetEntity = LinkMan.class)//@JoinColumn(name = "lkm_cust_id", referencedColumnName = "cust_id")

/*** 放弃外键维护权

* mappedBy：对方配置关系的属性名称\ 这里就是值得LinkMan中Customer对象得变量名称

* cascade : 配置级联(可以配置到设置多表的映射关系的注解上)

* CascadeType.all : 所有

* MERGE ：更新

* PERSIST ：保存

* REMOVE ：删除

*

* fetch : 配置关联对象的加载方式

* EAGER ：立即加载

* LAZY ：延迟加载*/@OneToMany(mappedBy= "customer", cascade = CascadeType.ALL, fetch =FetchType.LAZY)private Set linkMans = new HashSet<>();publicLong getCustId() {returncustId;

}public voidsetCustId(Long custId) {this.custId =custId;

}publicString getCustName() {returncustName;

}public voidsetCustName(String custName) {this.custName =custName;

}publicString getCustSource() {returncustSource;

}public voidsetCustSource(String custSource) {this.custSource =custSource;

}publicString getCustIndustry() {returncustIndustry;

}public voidsetCustIndustry(String custIndustry) {this.custIndustry =custIndustry;

}publicString getCustLevel() {returncustLevel;

}public voidsetCustLevel(String custLevel) {this.custLevel =custLevel;

}publicString getCustAddress() {returncustAddress;

}public voidsetCustAddress(String custAddress) {this.custAddress =custAddress;

}publicString getCustPhone() {returncustPhone;

}public voidsetCustPhone(String custPhone) {this.custPhone =custPhone;

}public SetgetLinkMans() {returnlinkMans;

}public void setLinkMans(SetlinkMans) {this.linkMans =linkMans;

}

@OverridepublicString toString() {return "Customer{" +

"custId=" + custId +

", custName='" + custName + '\'' +

", custSource='" + custSource + '\'' +

", custIndustry='" + custIndustry + '\'' +

", custLevel='" + custLevel + '\'' +

", custAddress='" + custAddress + '\'' +

", custPhone='" + custPhone + '\'' +

'}';

}

}