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YunaiVYunaiV
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增加 mybatis plus 多租户的示例
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7 files changed

+279
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‎lab-12-mybatis/lab-12-mybatis-plus-tenant/src/main/java/cn/iocoder/springboot/lab12/mybatis/dataobject/UserProfileDO.java

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package cn.iocoder.springboot.lab12.mybatis.dataobject;
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import com.baomidou.mybatisplus.annotation.TableLogic;
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import com.baomidou.mybatisplus.annotation.TableName;
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/**
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* 用户拓展 DO
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*/
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@TableName(value = "user_profile")
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public class UserProfileDO {
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/**
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* 编号
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*/
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private Integer id;
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/**
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* 用户编号
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*/
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private Integer userId;
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/**
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* 性别
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*/
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private Integer gender;
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/**
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* 是否删除
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*/
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@TableLogic
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private Integer deleted;
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/**
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* 租户编号
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*/
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private Integer tenantId;
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public Integer getId() {
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return id;
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}
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public UserProfileDO setId(Integer id) {
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this.id = id;
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return this;
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}
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public Integer getGender() {
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return gender;
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}
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public UserProfileDO setGender(Integer gender) {
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this.gender = gender;
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return this;
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}
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public Integer getDeleted() {
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return deleted;
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}
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public UserProfileDO setDeleted(Integer deleted) {
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this.deleted = deleted;
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return this;
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}
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public Integer getTenantId() {
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return tenantId;
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}
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public UserProfileDO setTenantId(Integer tenantId) {
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this.tenantId = tenantId;
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return this;
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}
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public Integer getUserId() {
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return userId;
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}
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public UserProfileDO setUserId(Integer userId) {
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this.userId = userId;
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return this;
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}
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}

‎lab-12-mybatis/lab-12-mybatis-plus-tenant/src/main/java/cn/iocoder/springboot/lab12/mybatis/mapper/UserMapper.java

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package cn.iocoder.springboot.lab12.mybatis.mapper;
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import cn.iocoder.springboot.lab12.mybatis.dataobject.UserDO;
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import cn.iocoder.springboot.lab12.mybatis.vo.UserDetailVO;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import com.baomidou.mybatisplus.core.metadata.IPage;
@@ -27,4 +28,8 @@ default IPage<UserDO> selectPageByCreateTime(IPage<UserDO> page, @Param("createT
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);
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}
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List<UserDetailVO> selectListA();
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List<UserDetailVO> selectListB();
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}

‎lab-12-mybatis/lab-12-mybatis-plus-tenant/src/main/java/cn/iocoder/springboot/lab12/mybatis/mapper/UserProfileMapper.java

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package cn.iocoder.springboot.lab12.mybatis.mapper;
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import cn.iocoder.springboot.lab12.mybatis.dataobject.UserProfileDO;
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import com.baomidou.mybatisplus.core.mapper.BaseMapper;
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import org.springframework.stereotype.Repository;
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@Repository
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public interface UserProfileMapper extends BaseMapper<UserProfileDO> {
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}

‎lab-12-mybatis/lab-12-mybatis-plus-tenant/src/main/java/cn/iocoder/springboot/lab12/mybatis/vo/UserDetailVO.java

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package cn.iocoder.springboot.lab12.mybatis.vo;
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import com.baomidou.mybatisplus.annotation.TableLogic;
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import java.util.Date;
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public class UserDetailVO {
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/**
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* 用户编号
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*/
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private Integer id;
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/**
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* 账号
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*/
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private String username;
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/**
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* 密码（明文）
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*
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* ps：生产环境下，千万不要明文噢
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*/
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private String password;
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/**
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* 性别
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*/
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private Integer gender;
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/**
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* 创建时间
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*/
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private Date createTime;
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/**
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* 是否删除
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*/
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@TableLogic
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private Integer deleted;
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/**
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* 租户编号
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*/
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private Integer tenantId;
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public Integer getId() {
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return id;
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}
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public UserDetailVO setId(Integer id) {
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this.id = id;
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return this;
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}
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public String getUsername() {
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return username;
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}
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public UserDetailVO setUsername(String username) {
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this.username = username;
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return this;
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}
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public String getPassword() {
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return password;
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}
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public UserDetailVO setPassword(String password) {
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this.password = password;
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return this;
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}
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public Integer getGender() {
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return gender;
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}
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public UserDetailVO setGender(Integer gender) {
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this.gender = gender;
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return this;
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}
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public Date getCreateTime() {
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return createTime;
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}
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public UserDetailVO setCreateTime(Date createTime) {
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this.createTime = createTime;
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return this;
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}
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public Integer getDeleted() {
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return deleted;
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}
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public UserDetailVO setDeleted(Integer deleted) {
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this.deleted = deleted;
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return this;
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}
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public Integer getTenantId() {
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return tenantId;
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}
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public UserDetailVO setTenantId(Integer tenantId) {
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this.tenantId = tenantId;
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return this;
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}
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@Override
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public String toString() {
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return "UserDetailVO{" +
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"id=" + id +
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", username='" + username + '\'' +
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", password='" + password + '\'' +
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", gender=" + gender +
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", createTime=" + createTime +
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", deleted=" + deleted +
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", tenantId=" + tenantId +
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'}';
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}
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}

‎lab-12-mybatis/lab-12-mybatis-plus-tenant/src/main/resources/mapper/UserMapper.xml

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</foreach>
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</select>
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<select id="selectListA" resultType="cn.iocoder.springboot.lab12.mybatis.vo.UserDetailVO">
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SELECT
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u.id, u.username, u.password, u.create_time, p.gender
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FROM users u
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JOIN user_profile p
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ON u.id = p.user_id
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</select>
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<select id="selectListB" resultType="cn.iocoder.springboot.lab12.mybatis.vo.UserDetailVO">
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SELECT
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u.id, u.username, u.password, u.create_time, p.gender
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FROM users u, user_profile p
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WHERE u.id = p.user_id
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</select>
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</mapper>

‎lab-12-mybatis/lab-12-mybatis-plus-tenant/src/main/resources/sql/users.sql

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CREATE TABLE `users` (
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`id` int(11) NOT NULL AUTO_INCREMENT COMMENT '用户编号',
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`username` varchar(64) COLLATE utf8mb4_bin DEFAULT NULL COMMENT '账号',
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`password` varchar(32) COLLATE utf8mb4_bin DEFAULT NULL COMMENT '密码',
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`create_time` datetime DEFAULT NULL COMMENT '创建时间',
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`deleted` bit(1) DEFAULT NULL COMMENT '是否删除。0-未删除；1-删除',
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`tenant_id` int(11) NOT NULL COMMENT '租户编号',
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PRIMARY KEY (`id`),
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UNIQUE KEY `idx_username` (`username`)
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) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
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CREATE TABLE `users`
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(
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`id` int(11) NOT NULL AUTO_INCREMENT COMMENT '用户编号',
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`username` varchar(64) COLLATE utf8mb4_bin DEFAULT NULL COMMENT '账号',
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`password` varchar(32) COLLATE utf8mb4_bin DEFAULT NULL COMMENT '密码',
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`create_time` datetime DEFAULT NULL COMMENT '创建时间',
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`deleted` bit(1) DEFAULT NULL COMMENT '是否删除。0-未删除；1-删除',
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`tenant_id` int(11) NOT NULL COMMENT '租户编号',
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PRIMARY KEY (`id`)
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) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;
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CREATE TABLE `user_profile`
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(
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`id` int(11) NOT NULL AUTO_INCREMENT COMMENT '编号',
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`user_id` int(11) NOT NULL COMMENT '用户编号',
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`gender` int(11) NOT NULL COMMENT '性别',
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`deleted` bit(1) DEFAULT NULL COMMENT '是否删除。0-未删除；1-删除',
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`tenant_id` int(11) NOT NULL COMMENT '租户编号',
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PRIMARY KEY (`id`)
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) ENGINE=InnoDB AUTO_INCREMENT=1 DEFAULT CHARSET=utf8mb4 COLLATE=utf8mb4_bin;

‎lab-12-mybatis/lab-12-mybatis-plus-tenant/src/test/java/cn/iocoder/springboot/lab12/mybatis/mapper/UserMapperTest.java

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import cn.iocoder.springboot.lab12.mybatis.Application;
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import cn.iocoder.springboot.lab12.mybatis.dataobject.UserDO;
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import cn.iocoder.springboot.lab12.mybatis.dataobject.UserProfileDO;
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import cn.iocoder.springboot.lab12.mybatis.vo.UserDetailVO;
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import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
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import com.baomidou.mybatisplus.core.metadata.IPage;
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import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
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import org.junit.Test;
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@Autowired
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private UserMapper userMapper;
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@Autowired
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private UserProfileMapper userProfileMapper;
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@Test
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public void initTestData() {
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// 清理数据
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userMapper.delete(new QueryWrapper<>());
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userProfileMapper.delete(new QueryWrapper<>());
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// 插入一个用户
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UserDO userDO = new UserDO().setUsername(UUID.randomUUID().toString())
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.setPassword("nicai").setCreateTime(new Date())
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.setDeleted(0); // 一般情况下，是否删除，可以全局枚举下。
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userMapper.insert(userDO);
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// 插入该用户的拓展信息
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UserProfileDO userProfileDO = new UserProfileDO();
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userProfileDO.setUserId(userDO.getId());
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userProfileDO.setGender(1);
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userProfileDO.setTenantId(10); // TODO 全局写死
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userProfileDO.setDeleted(0); // 一般情况下，是否删除，可以全局枚举下。
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userProfileMapper.insert(userProfileDO);
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}
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@Test
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public void testInsert() {
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System.out.println("users：" + page.getRecords().size());
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}
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@Test
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public void testSelectListA() {
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List<UserDetailVO> list = userMapper.selectListA();
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System.out.println(list);
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}
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@Test
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public void testSelectListB() {
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List<UserDetailVO> list = userMapper.selectListB();
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System.out.println(list);
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}
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}

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