血脉初建

src/main/java/com/peanut/modules/book/service/PointCategoryService.java

@@ -3,5 +3,9 @@ package com.peanut.modules.book.service;
 import com.baomidou.mybatisplus.extension.service.IService;
 import com.peanut.modules.book.entity.PointCategoryEntity;
 
+import java.util.List;
+
 public interface PointCategoryService extends IService<PointCategoryEntity> {
+
+    List<PointCategoryEntity> getCategoryList();
 }

src/main/java/com/peanut/modules/book/service/impl/PointCategoryServiceImpl.java

@@ -1,11 +1,33 @@
 package com.peanut.modules.book.service.impl;
 
+import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
 import com.peanut.modules.book.dao.PointCategoryDao;
 import com.peanut.modules.book.entity.PointCategoryEntity;
 import com.peanut.modules.book.service.PointCategoryService;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
+
 @Service("pointCategoryService")
 public class PointCategoryServiceImpl extends ServiceImpl<PointCategoryDao, PointCategoryEntity> implements PointCategoryService {
+
+
+    @Override
+    public List<PointCategoryEntity> getCategoryList() {
+        LambdaQueryWrapper<PointCategoryEntity> wrapper = new LambdaQueryWrapper<>();
+        wrapper.eq(PointCategoryEntity::getPid,0);
+        wrapper.orderByDesc(PointCategoryEntity::getSort);
+        List<PointCategoryEntity> list = list(wrapper);
+        for (PointCategoryEntity p : list){
+            LambdaQueryWrapper<PointCategoryEntity> wrapper1 = new LambdaQueryWrapper<>();
+            wrapper1.eq(PointCategoryEntity::getPid,p.getId());
+            wrapper1.orderByDesc(PointCategoryEntity::getSort);
+            List<PointCategoryEntity> list1 = list(wrapper1);
+            p.setChildren(list1);
+        }
+        return list;
+    }
+
+
 }