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網上提供的版本基本都是這個版本的居多,據網友測試說在oracle中測試是沒問題的,在mysql中測試是失敗的
@Table(name = “表名”, uniqueConstraints = {
@UniqueConstraint(name = “索引名稱”, columnNames = {“字段1”,“字段2”})
}),
表加index索引
@Table(name = “表名”,indexes = {
@Index(name = “索引名稱”, columnList = “字段名”)
})
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mysql通過設置唯一索引的方式設置的唯一約束,使指定字段的值不可重複。
一般情況下,索引類型爲Normal,可以通過將索引類型設置爲UNIQUE(唯一索引)
user_telPhone `tel_phone` UNIQUE BTREE
user_account `account` UNIQUE BTREE
user_email `email` UNIQUE BTREE
user_wxOpenId `wx_open_id` UNIQUE BTREE
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以下爲正題
JPA設置索引可以通過設置 @Index 的unique屬性進行設置,默認是false,設置爲true後,jpa自動建表是,就會將相應的字段的索引類型設置爲unique。
package com.hema.autoworker.ssoserver.entity;
import BaseModelEntity.BaseEntity;
import lombok.Data;
import lombok.EqualsAndHashCode;
import org.hibernate.annotations.GenericGenerator;
import org.springframework.data.jpa.domain.support.AuditingEntityListener;
import javax.persistence.*;
import java.util.Date;
/**
* @author CrazyBody
* @version 1.0.0
* @ClassName User.java
* @createTime 2019年08月02日 22:35:00
* @Description TODO
*/
@Entity
@Table(name = "tab_user", indexes = {@Index(name = "user_telPhone",columnList = "telPhone", unique = true),
@Index(name = "user_account",columnList = "account", unique = true),
@Index(name = "user_email",columnList = "email", unique = true),
@Index(name = "user_wxOpenId",columnList = "wxOpenId", unique = true)}
)
@Data
@EqualsAndHashCode(callSuper = false)
@EntityListeners(AuditingEntityListener.class)
public class User extends BaseEntity {
@Id
@GenericGenerator(name = "system-uuid", strategy = "uuid2")
@GeneratedValue(generator = "system-uuid")
@Column(name = "id", unique = true, nullable = false, length = 36)
private String UUID;
/**
* 暱稱
*/
private String nickName;
/**
* 性別
*/
private Integer gender;
/**
* 帳號
*/
private String account;
/**
* 密碼
*/
private String password;
private String companyNo;
/**
* 出生日期
*/
private Date birthday;
/**
* 性別
*/
private String sex;
/**
* 真實姓名
*/
private String realName;
/**
* 聯繫電話
*/
private String telPhone;
/**
* 聯繫郵箱
*/
private String email;
/**
* 微信OpenId
*/
private String wxOpenId;
}