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业务需要，需要用Java写一个实物，多个sql一起要么都执行，要么都不执行，写法如下，记录一下。

首先，在Springboot的启动类，或者某个@Configuration的类上加上@EnableTransactionManagement开启事务。

Java事务操作

Conntrol

    /**
     * @Description:下发立体库出库计划（事务）
     * @Param: [id]
     * @return: java.util.List<org.muyuan.slaughter.workshop.convertApi.vo.threeStage.store.MySpLiTiKuOrderStatusVO>
     * @Author: 孟海鹏
     * @Date: 2022/9/18
     */
    @ApiOperation(value = "立体库出库计划（三代）(下发立体库出库计划)")
    @GetMapping("/UpdateLiTiKuHouseOutPlanStatus")
    public R UpdateLiTiKuHouseOutPlanStatus(@NotEmpty String issuer, @NotEmpty String issueDate, @NotEmpty String outPlanNo) {
        mySpLitikuhouseoutplanService.updateLiTiKuHouseOutPlanStatus(issuer, issueDate, outPlanNo);
        return R.success("下发成功！");
    }

Services

只要在需要使用事务的方法上加上@Transactional 关键字开启事务支持。

这里事务分为2步，第一步先根据where条件判断是否满足更新条件，若不满足直接用throw new RuntimeException抛出异常，自动执行回滚操作。若满足之后再执行第二步更新操作。

    /**
     * @Description: 下发立体库出库计划（事务）
     * @Param: [FIssuer, FIssueDate, FOutPlanNo]
     * @return: java.util.List<org.muyuan.slaughter.workshop.convertApi.vo.threeStage.store.MySpLiTiKuHouseOutPlanStatusVO>
     * @Author: 孟海鹏
     * @Date: 2022/9/18
     */ @Transactional public void updateLiTiKuHouseOutPlanStatus(String issuer, String issueDate, String outPlanNo) {
        //1.先校验是否有满足更新条件的数据
        List<MySpLitikuhouseoutplanEntity> entities = baseMapper.selectList(Wrappers.<MySpLitikuhouseoutplanEntity>query().lambda()
                .eq(MySpLitikuhouseoutplanEntity::getOutPlanNo, outPlanNo)
                .eq(MySpLitikuhouseoutplanEntity::getDeleteStatus, CommonConstant.STATUS_INIT));
        if (CollectionUtils.isEmpty(entities)) throw new RuntimeException("下发失败");

        List<String> ids = entities.stream().map(MySpLitikuhouseoutplanEntity::getId).collect(Collectors.toList());
        List<MySpLitikuhouseoutplanDetailEntity> detailEntities = litikuhouseoutplanDetailMapper.selectList(Wrappers.<MySpLitikuhouseoutplanDetailEntity>query().lambda()
                .eq(MySpLitikuhouseoutplanDetailEntity::getDeleteStatus, CommonConstant.STATUS_INIT)
                .in(MySpLitikuhouseoutplanDetailEntity::getInterID, ids));
        if (CollectionUtils.isEmpty(detailEntities)) throw new RuntimeException("下发失败");

        List<TBusinessAsrsOutbillEntity> asrsOutbillEntities = businessAsrsOutbillMapper.selectList(Wrappers.<TBusinessAsrsOutbillEntity>query().lambda()
                .eq(TBusinessAsrsOutbillEntity::getOutBillNo, outPlanNo)
                .eq(TBusinessAsrsOutbillEntity::getSyncStatus, CommonConstant.DATE_DEL));
        if (CollectionUtils.isEmpty(asrsOutbillEntities)) throw new RuntimeException("下发失败");

        //2.更新状态
        baseMapper.UpdateLiTiKuHouseOutPlanStatus(issuer, issueDate, outPlanNo);
        baseMapper.UpdateLiTiKuHouseOutPlanStatus2(issuer, issueDate, outPlanNo);
        baseMapper.UpdateLiTiKuHouseOutPlanStatus3(issuer, issueDate, outPlanNo);
    }

Mapper

    /**
     * @Description:下发立体库出库计划-sql1（事务）
     * @Param: [FIssuer, FIssueDate, FOutPlanNo]
     * @return: java.util.List<org.muyuan.slaughter.workshop.convertApi.vo.threeStage.store.MySpLiTiKuHouseOutPlanStatusVO>
     * @Author: mhp
     * @Date: 2022/9/18
     */
    Integer UpdateLiTiKuHouseOutPlanStatus(String issuer, String issueDate, String outPlanNo);

    /**
     * @Description: 下发立体库出库计划-sql2（事务）
     * @Param: [issuer, issueDate, outPlanNo]
     * @return: java.lang.Integer
     * @Author: mhp
     * @Date: 2022/9/29
     */
    Integer UpdateLiTiKuHouseOutPlanStatus2(String issuer, String issueDate, String outPlanNo);

    /**
     * @Description: 下发立体库出库计划-sql3（事务）
     * @Param: [issuer, issueDate, outPlanNo]
     * @return: java.lang.Integer
     * @Author: mhp
     * @Date: 2022/9/29
     */
    Integer UpdateLiTiKuHouseOutPlanStatus3(String issuer, String issueDate, String outPlanNo);

XML

    <update id="UpdateLiTiKuHouseOutPlanStatus">
      update MY_SP_LiTikuHouseOutPlan set
      FCheck=1,
      exchange_status=0,
      FIssuer= #{issuer},
      FIssueDate=#{issueDate}
      where FOutPlanNo=#{outPlanNo} and FDelete=0;
    </update>

    <update id="UpdateLiTiKuHouseOutPlanStatus2">
        update MY_SP_LiTikuHouseOutPlan_Detail set
        FCheck=1,
        exchange_status=0
        where FInterID in(select FID from MY_SP_LiTikuHouseOutPlan where FOutPlanNo=#{outPlanNo} and FDelete=0);
    </update>

    <update id="UpdateLiTiKuHouseOutPlanStatus3">
        update t_business_asrs_outbill set
        exchange_status=0,
        sync_status=0
        where out_bill_no=#{outPlanNo} and sync_status=-1;
    </update>

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Java事务操作

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