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标准分类模块开发

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lhx
2025-12-05 14:52:32 +08:00
parent 57c0a652b4
commit 5426512ad6
7 changed files with 258 additions and 11 deletions
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18
src/main/java/com/dc/dc_project/controller/StandardCategoryController.java
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@@ -1,8 +1,11 @@
package com.dc.dc_project.controller;
import cn.dev33.satoken.stp.StpUtil;
import com.dc.dc_project.common.ResponseResult;
import com.dc.dc_project.model.dto.StandardCategoryDto;
import com.dc.dc_project.model.dto.StandardCategoryQueDto;
import com.dc.dc_project.model.dto.StandardCategoryUpdateDto;
import com.dc.dc_project.service.StandardCategoryService;
import lombok.RequiredArgsConstructor;
import org.springframework.beans.factory.annotation.Autowired;
@@ -20,12 +23,23 @@ public class StandardCategoryController {
private final StandardCategoryService standardCategoryService;
@PostMapping("/list")
public String list() {
return standardCategoryService.list().toString();
public ResponseResult list(@RequestBody StandardCategoryQueDto standardCategoryDto) {
Long userId = StpUtil.getLoginIdAsLong();
return standardCategoryService.getList(standardCategoryDto);
}
@PostMapping("/add")
public ResponseResult add(@RequestBody @Validated StandardCategoryDto standardCategoryDto) {
return standardCategoryService.add(standardCategoryDto);
}
@PostMapping("/delete")
public ResponseResult delete(@RequestBody StandardCategoryQueDto standardCategoryDto) {
return standardCategoryService.delete(standardCategoryDto);
}
@PostMapping("/update")
public ResponseResult update(@RequestBody StandardCategoryUpdateDto standardCategoryDto) {
return standardCategoryService.updateStandardCategory(standardCategoryDto);
}
}

2
src/main/java/com/dc/dc_project/model/dto/StandardCategoryDto.java
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@@ -2,6 +2,7 @@ package com.dc.dc_project.model.dto;
import com.baomidou.mybatisplus.annotation.TableField;
import jakarta.validation.constraints.NotNull;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@@ -19,6 +20,7 @@ public class StandardCategoryDto {
/**
* 分类名称（如水利、电力、公路等）
*/
@NotNull
private String name;
/**

41
src/main/java/com/dc/dc_project/model/dto/StandardCategoryQueDto.java Normal file
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@@ -0,0 +1,41 @@
package com.dc.dc_project.model.dto;
import jakarta.validation.constraints.NotNull;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@AllArgsConstructor
@NoArgsConstructor
public class StandardCategoryQueDto {
/**
* 上级分类ID
*/
private Long parentId = 0L;
private Long id;
/**
* 分类名称（如水利、电力、公路等）
*/
@NotNull
private String name;
/**
* 分类编码（可用于同步外部标准库）
*/
private String code;
/**
* 排序号
*/
private Integer sortOrder;
/**
* 备注
*/
private String remark;
}

41
src/main/java/com/dc/dc_project/model/dto/StandardCategoryUpdateDto.java Normal file
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@@ -0,0 +1,41 @@
package com.dc.dc_project.model.dto;
import jakarta.validation.constraints.NotNull;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;
@Data
@AllArgsConstructor
@NoArgsConstructor
public class StandardCategoryUpdateDto {
/**
* 上级分类ID
*/
private Long parentId = 0L;
@NotNull
private Long id;
/**
* 分类名称（如水利、电力、公路等）
*/
private String name;
/**
* 分类编码（可用于同步外部标准库）
*/
private String code;
/**
* 排序号
*/
private Integer sortOrder;
/**
* 备注
*/
private String remark;
}

26
src/main/java/com/dc/dc_project/service/StandardCategoryService.java
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@@ -2,6 +2,8 @@ package com.dc.dc_project.service;
import com.dc.dc_project.common.ResponseResult;
import com.dc.dc_project.model.dto.StandardCategoryDto;
import com.dc.dc_project.model.dto.StandardCategoryQueDto;
import com.dc.dc_project.model.dto.StandardCategoryUpdateDto;
import com.dc.dc_project.model.pojo.StandardCategory;
import com.baomidou.mybatisplus.extension.service.IService;
@@ -19,4 +21,28 @@ public interface StandardCategoryService extends IService<StandardCategory> {
* @return
**/
ResponseResult add(StandardCategoryDto standardCategoryDto);
/**
* 获取标准分类列表
* @param standardCategoryDto
* @
* @return
**/
ResponseResult getList(StandardCategoryQueDto standardCategoryDto);
/**
* 删除标准分类
* @param standardCategoryDto
* @
* @return
**/
ResponseResult delete(StandardCategoryQueDto standardCategoryDto);
/**
* 修改标准分类
* @param standardCategoryDto
* @
* @return
**/
ResponseResult updateStandardCategory(StandardCategoryUpdateDto standardCategoryDto);
}

61
src/main/java/com/dc/dc_project/service/impl/StandardCategoryServiceImpl.java
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@@ -4,12 +4,16 @@ import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.dc.dc_project.common.ResponseResult;
import com.dc.dc_project.model.dto.StandardCategoryDto;
import com.dc.dc_project.model.dto.StandardCategoryQueDto;
import com.dc.dc_project.model.dto.StandardCategoryUpdateDto;
import com.dc.dc_project.model.pojo.StandardCategory;
import com.dc.dc_project.service.StandardCategoryService;
import com.dc.dc_project.mapper.StandardCategoryMapper;
import org.springframework.stereotype.Service;
import lombok.extern.slf4j.Slf4j;
import java.util.List;
/**
* @author ADMIN
* @description 针对表【sys_standard_category(标准分类表（行业/专业领域）)】的数据库操作Service实现
@@ -45,6 +49,63 @@ public class StandardCategoryServiceImpl extends ServiceImpl<StandardCategoryMap
log.info("添加成功");
return ResponseResult.success("添加成功");
}
@Override
public ResponseResult getList(StandardCategoryQueDto standardCategoryDto) {
LambdaQueryWrapper<StandardCategory> queryWrapper = new LambdaQueryWrapper<StandardCategory>()
.eq(StandardCategory::getIsDeleted, 0)
.eq(standardCategoryDto.getParentId() != null, StandardCategory::getParentId, standardCategoryDto.getParentId())
.eq(standardCategoryDto.getId() != null, StandardCategory::getId, standardCategoryDto.getId())
.like(standardCategoryDto.getName() != null, StandardCategory::getName, standardCategoryDto.getName())
.like(standardCategoryDto.getCode() != null, StandardCategory::getCode, standardCategoryDto.getCode())
.like(standardCategoryDto.getRemark() != null, StandardCategory::getRemark, standardCategoryDto.getRemark());
List<StandardCategory> list = this.list(queryWrapper);
return ResponseResult.success(list);
}
@Override
public ResponseResult delete(StandardCategoryQueDto standardCategoryDto) {
if(standardCategoryDto.getId() == null)
return ResponseResult.error("请选择要删除的分类");
LambdaQueryWrapper<StandardCategory> queryWrapper = new LambdaQueryWrapper<StandardCategory>()
.eq(StandardCategory::getId, standardCategoryDto.getId())
.eq(StandardCategory::getIsDeleted, 0);
StandardCategory standardCategory = this.getOne(queryWrapper);
if(standardCategory == null){
return ResponseResult.error("该分类不存在");
}
LambdaQueryWrapper<StandardCategory> queryWrapper1 = new LambdaQueryWrapper<StandardCategory>()
.eq(StandardCategory::getParentId, standardCategory.getId())
.eq(StandardCategory::getIsDeleted, 0);
if(this.count(queryWrapper1) > 0){
return ResponseResult.error("该分类下有子分类，请先删除或修改子分类");
}
standardCategory.setIsDeleted(1);
if(!this.updateById(standardCategory)){
return ResponseResult.error("删除失败");
}
return ResponseResult.success("删除成功");
}
@Override
public ResponseResult updateStandardCategory(StandardCategoryUpdateDto standardCategoryDto) {
LambdaQueryWrapper<StandardCategory> queryWrapper = new LambdaQueryWrapper<StandardCategory>()
.eq(StandardCategory::getId, standardCategoryDto.getId())
.eq(StandardCategory::getIsDeleted, 0);
StandardCategory standardCategory = this.getOne(queryWrapper);
if(standardCategory == null){
return ResponseResult.error("该分类不存在");
}
standardCategory.setName(standardCategoryDto.getName() != null ? standardCategoryDto.getName() : standardCategory.getName());
standardCategory.setCode(standardCategoryDto.getCode() != null ? standardCategoryDto.getCode() : standardCategory.getCode());
standardCategory.setSortOrder(standardCategoryDto.getSortOrder() != null ? standardCategoryDto.getSortOrder() : standardCategory.getSortOrder());
standardCategory.setRemark(standardCategoryDto.getRemark() != null ? standardCategoryDto.getRemark() : standardCategory.getRemark());
standardCategory.setParentId(standardCategoryDto.getParentId() != null ? standardCategoryDto.getParentId() : standardCategory.getParentId());
if(!this.updateById(standardCategory)){
return ResponseResult.error("修改失败");
}
return ResponseResult.success("修改成功");
}
}

80
src/main/java/com/dc/dc_project/utils/TreeUtil.java
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@@ -2,9 +2,7 @@ package com.dc.dc_project.utils;
import com.dc.dc_project.model.TreeNode;
import java.util.ArrayList;
import java.util.List;
import java.util.Objects;
import java.util.*;
import java.util.stream.Collectors;
/**
@@ -57,11 +55,75 @@ public class TreeUtil {
public static <T extends TreeNode<T>> List<T> buildTree(List<T> list) {
return buildTree(list, null);
}
/**
* 构建树结构（带排序）
*
* @param list 节点列表
* @param comparator 排序比较器（可为null）
* @param <T> 实现TreeNode接口的类型
* @return 根节点列表（已排序）
*/
public static <T extends TreeNode<T>> List<T> buildTreeWithSort(
List<T> list,
Comparator<T> comparator) {
if (list == null || list.isEmpty()) {
return new ArrayList<>();
}
// 1. 构建ID映射
Map<Object, T> nodeMap = list.stream()
.collect(Collectors.toMap(TreeNode::getId, node -> node, (a, b) -> a));
// 2. 构建父子关系
List<T> rootNodes = new ArrayList<>();
for (T node : list) {
Object parentId = node.getParentId();
if (parentId == null || !nodeMap.containsKey(parentId)) {
rootNodes.add(node);
} else {
T parent = nodeMap.get(parentId);
if (parent != null) {
List<T> children = parent.getChildren();
if (children == null) {
children = new ArrayList<>();
parent.setChildren(children);
}
children.add(node);
}
}
}
// 3. 递归排序所有节点
if (comparator != null) {
sortTreeNodes(rootNodes, comparator);
}
return rootNodes;
}
/**
* 递归排序树节点
*/
private static <T extends TreeNode<T>> void sortTreeNodes(List<T> nodes, Comparator<T> comparator) {
if (nodes == null || nodes.isEmpty()) {
return;
}
// 排序当前层级
nodes.sort(comparator);
// 递归排序子节点
nodes.forEach(node -> {
List<T> children = node.getChildren();
if (children != null && !children.isEmpty()) {
sortTreeNodes(children, comparator);
}
});
}
}
/**
* 树节点接口（所有需要构建树的实体类需要实现此接口）
*
* @param <T> 具体的实体类型
*/