我们在SpringBoot和MyBatis整合的时候，需要在SpringBoot中通过注解方式配置事务回滚

1 Pojo类

package com.zxf.domain;import java.util.Date;public class User { private Integer id; private String name; private String pwd; private String head_img; private String phone; private Date create_time; public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getPwd() { return pwd; } public void setPwd(String pwd) { this.pwd = pwd; } public String getHead_img() { return head_img; } public void setHead_img(String head_img) { this.head_img = head_img; } public String getPhone() { return phone; } public void setPhone(String phone) { this.phone = phone; } public Date getCreate_time() { return create_time; } public void setCreate_time(Date create_time) { this.create_time = create_time; }}

2 Mapper接口

我们这里使用注解的方式编写SQL语句

package com.zxf.mapper;import com.zxf.domain.User;import org.apache.ibatis.annotations.Insert;import org.springframework.stereotype.Repository;@Repositorypublic interface UserMapper { @Insert("insert into user (name,pwd,head_img,phone,create_time) values(#{name},#{pwd},#{head_img},#{phone},#{create_time})") public int save(User user);}

3 Service接口和实现类

package com.zxf.service;import com.zxf.domain.User;public interface UserService { public int save(User user);}package com.zxf.service.impl;import com.zxf.domain.User;import com.zxf.mapper.UserMapper;import com.zxf.service.UserService;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;import org.springframework.transaction.annotation.Transactional;@Service@Transactional //实现事务的时候要在业务类中加入该注解public class UserServiceImpl implements UserService { @Autowired private UserMapper userMapper; @Override public int save(User user) { int f= userMapper.save(user); // int x=5/0; return f; }}

4 Controller层

package com.zxf.controller;import com.zxf.domain.User;import com.zxf.service.UserService;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.web.bind.annotation.RequestMapping;import org.springframework.web.bind.annotation.RestController;import java.util.Date;@RestController@RequestMapping("api/v1/user")public class UserController { @Autowired private UserService userService; @RequestMapping("save") public Object save(){ User user=new User(); user.setName("zhang3"); user.setPwd("abc123"); user.setCreate_time(new Date()); user.setPhone("1789238734"); user.setHead_img("aabbddd.jpg"); userService.save(user); return user; }}

5 application.properits 配置文件

spring.datasource.driver-class-name =com.mysql.jdbc.Driverspring.datasource.url=jdbc:mysql://localhost:3306/onlinespring.datasource.username=rootspring.datasource.password=******mybatis.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl

6 pom文件

<?xml version="1.0" encoding="UTF-8"?><project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://.zxf.mapper")//扫描mapper接口@EnableTransactionManagement//事务处理的时候启动类必须要加的注解public class XfSpring2Application { public static void main(String[] args) { SpringApplication.run(XfSpring2Application.class, args); }}

7 也是最重要，也是很多人忽视的地方，就是MySQL要支持事务处理才可以

这里一定要记住；否则你的SpringBoot的事务没有任何效果

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