本文共 2107 字，大约阅读时间需要 7 分钟。

一、引入依赖

               
    
     tk.mybatis
                
    
     mapper-spring-boot-starter
                
    
     2.0.2
            
   

1、创建一个GenId的实现类

package com.xiaobu.base.entity;import tk.mybatis.mapper.genid.GenId;import java.util.UUID;/** * @author xiaobu * @version JDK1.8.0_171 * @date on  2019/3/27 11:37 * @description V1.0 */public class UUIdGenId implements GenId
   
     {    @Override    public String genId(String s, String s1) {        return UUID.randomUUID().toString().replace("-","");    }}
   

2、创建实体类

package com.xiaobu.entity;import com.xiaobu.base.entity.UUIdGenId;import lombok.Data;import tk.mybatis.mapper.annotation.KeySql;import javax.persistence.Id;import java.io.Serializable;/** * 功能描述: 测试uuid主键生成 * @author xiaobu * @date 2019/3/27 16:30 * @version 1.0 */@Datapublic class TbDemo1 implements Serializable {    /**	* 	*/    @Id    @KeySql(genId = UUIdGenId.class)    private String id;    /**	* 	*/    private String name;    private static final long serialVersionUID = 1L;}

3、mapper类集成通用mapper

package com.xiaobu.mapper;import com.xiaobu.base.mapper.MyMapper;import com.xiaobu.entity.TbDemo1;import org.apache.ibatis.annotations.Mapper;/** * 功能描述:继承通用mapper * @author xiaobu * @date 2019/3/27 17:06 * @version 1.0 */@Mapperpublic interface TbDemo1Mapper extends MyMapper
   
     {}
   

4、测试

package com.xiaobu;import com.xiaobu.entity.TbDemo1;import com.xiaobu.mapper.TbDemo1Mapper;import org.junit.Test;import org.junit.runner.RunWith;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.boot.test.context.SpringBootTest;import org.springframework.test.context.junit4.SpringRunner;/** * @author xiaobu * @version JDK1.8.0_171 * @date on  2019/3/27 11:11 * @description V1.0 */@RunWith(SpringRunner.class)@SpringBootTestpublic class TbDemo1Test {    @Autowired    private TbDemo1Mapper tbDemo1Mapper;    @Test    public void insert(){        TbDemo1 tbDemo1 = new TbDemo1();        tbDemo1.setName("测试uuid生成");        tbDemo1Mapper.insert(tbDemo1);        System.out.println("新增完成.....");    }}

tk.mapper的insertList不支持，自己写的插入方法也是不支持的。

转载地址：http://wbgai.baihongyu.com/