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springboot mybatis手動(dòng)事務(wù)的實(shí)現(xiàn)

更新時(shí)間：2023年12月10日 15:43:30 作者：Steven-Russell

本文主要介紹了springboot mybatis手動(dòng)事務(wù)的實(shí)現(xiàn),文中通過示例代碼介紹的非常詳細(xì),對(duì)大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價(jià)值,需要的朋友們下面隨著小編來一起學(xué)習(xí)學(xué)習(xí)吧

創(chuàng)建springboot項(xiàng)目
引入mybatis和數(shù)據(jù)庫依賴
創(chuàng)建springboot配置文件
創(chuàng)建啟動(dòng)類
創(chuàng)建數(shù)據(jù)庫實(shí)體
創(chuàng)建Mapper
創(chuàng)建mapper配置文件
創(chuàng)建controller
測(cè)試手動(dòng)事務(wù)

創(chuàng)建springboot項(xiàng)目

搭建最簡(jiǎn)單的SpringBoot項(xiàng)目-CSDN博客

引入mybatis和數(shù)據(jù)庫依賴

<dependencies>
    <dependency>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-web</artifactId>
    </dependency>
    <dependency>
        <groupId>org.mybatis.spring.boot</groupId>
        <artifactId>mybatis-spring-boot-starter</artifactId>
        <version>2.3.0</version>
    </dependency>
    <dependency>
        <groupId>mysql</groupId>
        <artifactId>mysql-connector-java</artifactId>
        <version>8.0.33</version>
    </dependency>
    <dependency>
        <groupId>org.projectlombok</groupId>
        <artifactId>lombok</artifactId>
        <version>1.18.28</version>
        <scope>provided</scope>
    </dependency>
</dependencies>

創(chuàng)建springboot配置文件

spring:
  datasource:
    url: jdbc:mysql://192.168.30.128:3306/wd
    username: root
    password: 4752

mybatis:
  mapper-locations: classpath:mapper/*Mapper.xml
  configuration:
    log-impl: org.apache.ibatis.logging.stdout.StdOutImpl

創(chuàng)建啟動(dòng)類

package com.wd;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;

@SpringBootApplication
public class SpringbootMybatisApp {

    public static void main(String[] args) {
        SpringApplication.run(SpringbootMybatisApp.class, args);
    }
}

創(chuàng)建數(shù)據(jù)庫實(shí)體

package com.wd.pojo;

import lombok.Data;

import java.util.Date;

@Data
public class User {

    private int id;

    private String name;

    private String addr;

    private Date updateTime;
}

創(chuàng)建Mapper

package com.wd.mapper;

import com.wd.pojo.User;
import org.apache.ibatis.annotations.Mapper;

import java.util.List;

@Mapper
public interface UserMapper {

    int addUser(User user);

}

創(chuàng)建mapper配置文件

<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE mapper
        PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN"
        "http://mybatis.org/dtd/mybatis-3-mapper.dtd">

<mapper namespace="com.wd.mapper.UserMapper">

    <insert id="addUser">
        insert into tbl_user (id, name, addr, update_time) values (#{id}, #{name}, #{addr}, #{updateTime})
    </insert>

</mapper>

創(chuàng)建controller

package com.wd.controller;

import com.wd.mapper.UserMapper;
import com.wd.pojo.User;
import org.springframework.transaction.PlatformTransactionManager;
import org.springframework.transaction.TransactionStatus;
import org.springframework.transaction.support.DefaultTransactionDefinition;
import org.springframework.web.bind.annotation.*;

import java.util.Date;

@RestController
public class UserController {

    private final UserMapper userMapper;

    private final PlatformTransactionManager transactionManager;

    public UserController(UserMapper userMapper, PlatformTransactionManager platformTransactionManager) {
        this.userMapper = userMapper;
        this.transactionManager = platformTransactionManager;
    }

    @GetMapping(value = "testTransaction")
    public String testTransaction() {
        DefaultTransactionDefinition transDefinition = new DefaultTransactionDefinition();
        transDefinition.setPropagationBehavior(DefaultTransactionDefinition.PROPAGATION_REQUIRES_NEW);
        TransactionStatus transStatus = transactionManager.getTransaction(transDefinition);
        try {
            User user = new User();
            user.setId(1);
            user.setName("aaa");
            user.setUpdateTime(new Date());
            userMapper.addUser(user);
            int i =0;
            int i1 = 1 / i;
            transactionManager.commit(transStatus);
        } catch (Exception e) {
            e.printStackTrace();
            transactionManager.rollback(transStatus);
        }
        return "success";
    }

}

測(cè)試手動(dòng)事務(wù)

請(qǐng)求接口之后，發(fā)現(xiàn)并沒有新插入數(shù)據(jù)

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