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Code Pull Requests Activity

2026-03-26提交：新增备份接口

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This commit is contained in:
junzhangfm 2026-03-26 18:18:08 +08:00
parent b49bab1ccc
commit 7ac794a68f
5 changed files with 211 additions and 32 deletions
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115
src/main/java/com/southern/power/grid/common/Result.java
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@ -1,29 +1,122 @@
package com.southern.power.grid.common;
import com.southern.power.grid.enums.ResultCode;
import lombok.Data;
@Data
public class Result<T> {
private String code;
private String message;
/**
* 响应状态码
*/
private int code;
/**
* 响应提示信息
*/
private String msg;
/**
* 响应数据
*/
private T data;
/**
* 私有化构造器，禁止外部直接创建
*/
private Result() {}
/**
* 快速构建成功响应（无数据）
*/
public static <T> Result<T> success() {
return buildResult(ResultCode.SUCCESS.getCode(), ResultCode.SUCCESS.getMsg(), null);
}
/**
* 快速构建成功响应（带数据）
*/
public static <T> Result<T> success(T data) {
return buildResult(ResultCode.SUCCESS.getCode(), ResultCode.SUCCESS.getMsg(), data);
}
/**
* 快速构建成功响应（自定义提示+数据）
*/
public static <T> Result<T> success(String msg, T data) {
return buildResult(ResultCode.SUCCESS.getCode(), msg, data);
}
/**
* 快速构建失败响应（默认提示）
*/
public static <T> Result<T> fail() {
return buildResult(ResultCode.FAIL.getCode(), ResultCode.FAIL.getMsg(), null);
}
/**
* 快速构建失败响应（自定义提示）
*/
public static <T> Result<T> fail(String msg) {
return buildResult(ResultCode.FAIL.getCode(), msg, null);
}
/**
* 快速构建失败响应（自定义状态码+提示）
*/
public static <T> Result<T> fail(int code, String msg) {
return buildResult(code, msg, null);
}
/**
* 基于枚举构建响应
*/
public static <T> Result<T> fail(ResultCode resultCode) {
return buildResult(resultCode.getCode(), resultCode.getMsg(), null);
}
/**
* 链式构建响应（灵活配置）
*/
public static <T> ResultBuilder<T> builder() {
return new ResultBuilder<>();
}
/**
* 核心构建方法
*/
private static <T> Result<T> buildResult(int code, String msg, T data) {
Result<T> result = new Result<>();
result.setCode("ok");
result.setMessage("success");
result.setCode(code);
result.setMsg(msg);
result.setData(data);
return result;
}
public static <T> Result<T> error(String message) {
return error("error", message);
/**
* 链式构建器（可选，简化多字段配置）
*/
public static class ResultBuilder<T> {
private int code;
private String msg;
private T data;
public ResultBuilder<T> code(int code) {
this.code = code;
return this;
}
public static <T> Result<T> error(String code, String message) {
Result<T> result = new Result<>();
result.setCode(code);
result.setMessage(message);
return result;
public ResultBuilder<T> msg(String msg) {
this.msg = msg;
return this;
}
public ResultBuilder<T> data(T data) {
this.data = data;
return this;
}
public Result<T> build() {
return buildResult(code, msg, data);
}
}
}

7
src/main/java/com/southern/power/grid/controller/DnerEventController.java
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@ -35,7 +35,7 @@ public class DnerEventController {
*/
@DeleteMapping("/delete/{id}")
public Result<Boolean> delete(@PathVariable Long id) {
return Result.success(dnerEventService.removeDataById(id));
return Result.success(dnerEventService.removeById(id));
}
/**
@ -61,4 +61,9 @@ public class DnerEventController {
public Result<List<DnerEventVO>> list() {
return Result.success(dnerEventService.listVO());
}
@GetMapping("/copy/{eventId}")
public Result<Boolean> copy(@PathVariable Long eventId) {
return Result.success(dnerEventService.copy(eventId));
}
}

35
src/main/java/com/southern/power/grid/enums/ResultCode.java Normal file
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@ -0,0 +1,35 @@
package com.southern.power.grid.enums;
import lombok.Getter;
/**
* 状态码枚举
*
* @Author junzhangfm
* @Date 2026-03-26
*/
@Getter
public enum ResultCode {
// 通用状态码
SUCCESS(200, "操作成功"),
FAIL(500, "操作失败"),
PARAM_ERROR(400, "参数错误"),
UNAUTHORIZED(401, "未授权"),
FORBIDDEN(403, "禁止访问"),
NOT_FOUND(404, "资源不存在"),
// 业务自定义状态码（按需扩展）
FILE_UPLOAD_FAIL(10001, "文件上传失败"),
FILE_DELETE_FAIL(10002, "文件删除失败"),
DATA_NOT_EXIST(10003, "数据不存在");
// getter
private final int code;
private final String msg;
ResultCode(int code, String msg) {
this.code = code;
this.msg = msg;
}
}

8
src/main/java/com/southern/power/grid/service/DnerEventService.java
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@ -21,10 +21,10 @@ public interface DnerEventService extends IService<DnerEvent> {
List<DnerEventVO> listVO();
/**
* 根据ID删除数据
* 备份事件
*
* @param id 事件ID
* @return 结果
* @param eventId 事件ID
* @return 是否成功
*/
Boolean removeDataById(Long id);
Boolean copy(Long eventId);
}

76
src/main/java/com/southern/power/grid/service/impl/DnerEventServiceImpl.java
View File

@ -3,19 +3,18 @@ package com.southern.power.grid.service.impl;
import cn.hutool.core.collection.CollectionUtil;
import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.southern.power.grid.dao.DnerEventAttachmentMapper;
import com.southern.power.grid.dao.DnerEventExportRecordMapper;
import com.southern.power.grid.dao.DnerEventMapper;
import com.southern.power.grid.entity.DnerEvent;
import com.southern.power.grid.entity.DnerEventAttachment;
import com.southern.power.grid.entity.DnerEventExportRecord;
import com.southern.power.grid.entity.DnerEventVO;
import com.southern.power.grid.dao.*;
import com.southern.power.grid.entity.*;
import com.southern.power.grid.service.DnerEventService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import java.time.LocalDateTime;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.stream.Collectors;
/**
@ -25,6 +24,7 @@ import java.util.stream.Collectors;
* @date: 2026/3/23
**/
@Service
@Slf4j
public class DnerEventServiceImpl extends ServiceImpl<DnerEventMapper, DnerEvent>
implements DnerEventService {
@Autowired
@ -36,6 +36,12 @@ public class DnerEventServiceImpl extends ServiceImpl<DnerEventMapper, DnerEvent
@Autowired
private DnerEventAttachmentMapper dnerEventAttachmentMapper;
@Autowired
private DnerHourlyPowerOutageEventMapper dnerHourlyPowerOutageEventMapper;
@Autowired
private DnerDailyPowerOutageEventMapper dnerDailyPowerOutageEventMapper;
@Override
public List<DnerEventVO> listVO() {
List<DnerEventVO> dnerEventVOS = dnerEventMapper.listVO();
@ -58,13 +64,53 @@ public class DnerEventServiceImpl extends ServiceImpl<DnerEventMapper, DnerEvent
}
@Override
public Boolean removeDataById(Long id) {
// 根据事件ID查询事件的所有附件
List<DnerEventAttachment> dnerEventAttachments = dnerEventAttachmentMapper.selectList(
new LambdaQueryWrapper<DnerEventAttachment>().eq(DnerEventAttachment::getEventId, id));
// 级联删除所有记录
removeById(id);
return null;
@Transactional(rollbackFor = Exception.class)
public Boolean copy(Long eventId) {
// 查询事件、附件，并复制一份插入数据库。 删除时附件不会被删除，后续考虑用定时任务删除无用附件释放磁盘空间
DnerEvent event = getById(eventId);
if (!Objects.isNull(event)) {
event.setId(null);
event.setEventName(event.getEventName() + "-备份");
LocalDateTime now = LocalDateTime.now();
event.setCreateTime(now);
event.setUpdateTime(now);
save(event);
// 附件只查询最新的一条记录
DnerEventAttachment eventAttachment = dnerEventAttachmentMapper.selectOne(
new LambdaQueryWrapper<DnerEventAttachment>().eq(DnerEventAttachment::getEventId, eventId)
.eq(DnerEventAttachment::getIsLatest, 1));
if (!Objects.isNull(eventAttachment)) {
eventAttachment.setId(null);
eventAttachment.setEventId(event.getId());
eventAttachment.setCreateTime(now);
dnerEventAttachmentMapper.insert(eventAttachment);
}
// 复制分时图和K线图数据
List<DnerHourlyPowerOutageEvent> hourlyPowerOutageEvents = dnerHourlyPowerOutageEventMapper.selectList(
new LambdaQueryWrapper<DnerHourlyPowerOutageEvent>().eq(
DnerHourlyPowerOutageEvent::getEventId, eventId));
if (!CollectionUtil.isEmpty(hourlyPowerOutageEvents)) {
hourlyPowerOutageEvents.forEach(e -> {
e.setId(null);
e.setEventId(event.getId());
e.setCreateTime(now);
e.setUpdateTime(now);
});
dnerHourlyPowerOutageEventMapper.insert(hourlyPowerOutageEvents);
}
List<DnerDailyPowerOutageEvent> dnerDailyPowerOutageEvents = dnerDailyPowerOutageEventMapper.selectList(
new LambdaQueryWrapper<DnerDailyPowerOutageEvent>().eq(
DnerDailyPowerOutageEvent::getEventId, eventId));
if (!CollectionUtil.isEmpty(dnerDailyPowerOutageEvents)) {
dnerDailyPowerOutageEvents.forEach(e -> {
e.setId(null);
e.setEventId(event.getId());
e.setCreateTime(now);
e.setUpdateTime(now);
});
dnerDailyPowerOutageEventMapper.insert(dnerDailyPowerOutageEvents);
}
}
return Boolean.TRUE;
}
}