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左侧树：删除分类

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huangge1199 2025-08-06 11:24:28 +08:00
parent 8bc44ffc64
commit 2a94318c9e
3 changed files with 35 additions and 0 deletions
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10
src/main/java/iet/ustb/sf/controller/CategoryController.java
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@ -49,4 +49,14 @@ public class CategoryController {
categoryService.addCategory(params); categoryService.addCategory(params);
return R.ok(); return R.ok();
} }
/**
* 删除分类
*/
@Operation(summary = "删除分类")
@PostMapping("/delCategory")
public R<?> delCategory(@RequestBody JSONObject params) {
categoryService.delCategory(params);
return R.ok();
}
} }

2
src/main/java/iet/ustb/sf/service/CategoryService.java
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@ -16,4 +16,6 @@ public interface CategoryService extends IService<Category> {
List<Category> showCategory(Category category); List<Category> showCategory(Category category);
void addCategory(JSONObject params); void addCategory(JSONObject params);
void delCategory(JSONObject params);
} }

23
src/main/java/iet/ustb/sf/service/impl/CategoryServiceImpl.java
View File

@ -4,6 +4,7 @@ import com.alibaba.fastjson.JSONObject;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper; import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl; import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import iet.ustb.sf.domain.Category; import iet.ustb.sf.domain.Category;
import iet.ustb.sf.domain.Target;
import iet.ustb.sf.exception.ErrorCode; import iet.ustb.sf.exception.ErrorCode;
import iet.ustb.sf.exception.ThrowUtils; import iet.ustb.sf.exception.ThrowUtils;
import iet.ustb.sf.mapper.TargetMapper; import iet.ustb.sf.mapper.TargetMapper;
@ -85,6 +86,28 @@ public class CategoryServiceImpl extends ServiceImpl<CategoryMapper, Category>
category.setUpdateTime(now); category.setUpdateTime(now);
categoryMapper.insert(category); categoryMapper.insert(category);
} }
@Override
public void delCategory(JSONObject params) {
String id = params.getString("id");
CheckUtils.checkEmpty(id, "分类ID");
Category category = categoryMapper.selectById(id);
ThrowUtils.throwIf(category==null,ErrorCode.PARAMS_ERROR,"分类不存在！");
Date now = new Date();
QueryWrapper<Target> queryWrapper = new QueryWrapper<>();
queryWrapper.eq("category_id", category.getId());
List<Target> targetList = targetMapper.selectList(queryWrapper);
for (Target target : targetList) {
target.setLevel(0);
target.setCategoryId("");
target.setUpdateTime(now);
}
targetMapper.insertOrUpdate(targetList);
categoryMapper.deleteById(id);
}
} }