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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<strong style="color:transparent">来源gaodaima#com搞(代@码网</strong> 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; @Repository public 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-600"); userService.save(user); return user; } }
5 application.properits 配置文件
spring.datasource.driver-class-name =com.mysql.jdbc.Driver spring.datasource.url=jdbc:mysql://localhost:3306/online spring.datasource.username=root spring.datasource.password=****** mybatis.configuration.log-impl=org.apache.ibatis.logging.stdout.StdOutImpl
6 pom文件
4.0.0 org.springframework.bootspring-boot-starter-parent2.3.2.RELEASE<!-- lookup parent from repository -->com.zxfxf_spring20.0.1-SNAPSHOTxf_spring2 1.8 org.springframework.bootspring-boot-starter-web org.mybatis.spring.bootmybatis-spring-boot-starter2.1.2 mysqlmysql-connector-java5.1.13 org.springframework.bootspring-boot-starter-testtest org.junit.vintagejunit-vintage-engine org.springframework.bootspring-boot-maven-plugin
6 SpringBoot启动类
package com.zxf; import org.mybatis.spring.annotation.MapperScan; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.transaction.annotation.EnableTransactionManagement; @SpringBootApplication @MapperScan("com.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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