角色模板返回树形

cash-common/cash-common-service/src/main/java/com/czg/market/entity/SysRoleTemplate.java

@@ -8,6 +8,8 @@ import java.io.Serializable;
 import java.time.LocalDateTime;
 
 import java.io.Serial;
+import java.util.ArrayList;
+import java.util.List;
 
 import lombok.AllArgsConstructor;
 import lombok.Builder;
@@ -76,4 +78,6 @@ public class SysRoleTemplate implements Serializable {
      */
     private Integer pid;
 
+    private List<SysRoleTemplate> children = new ArrayList<>();
+
 }

cash-service/account-service/src/main/java/com/czg/service/account/service/impl/SysRoleTemplateServiceImpl.java

@@ -13,7 +13,10 @@ import com.czg.market.service.SysRoleTemplateService;
 import jakarta.annotation.Resource;
 import org.springframework.stereotype.Service;
 
+import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
 
 /**
  * 角色模板 服务层实现。
@@ -42,10 +45,28 @@ public class SysRoleTemplateServiceImpl extends ServiceImpl<SysRoleTemplateMappe
     @Override
     public List<SysRoleTemplate> listInfo(Long pid) {
         QueryWrapper queryWrapper = new QueryWrapper().eq(SysRoleTemplate::getPid, pid);
-        if (pid == null) {
-            queryWrapper.isNull(SysRoleTemplate::getPid);
-        }
-        return list(queryWrapper);
+        List<SysRoleTemplate> list = list(queryWrapper);
+
+        // 转成 map，便于通过 id 找节点
+        Map<Integer, SysRoleTemplate> map = list.stream()
+                .collect(Collectors.toMap(SysRoleTemplate::getId, v -> v));
+
+        // 存根节点
+        List<SysRoleTemplate> roots = new ArrayList<>();
+
+        list.forEach(item -> {
+            if (item.getPid() == null || item.getPid() == 0) {
+                // 这是根节点
+                roots.add(item);
+            } else {
+                // 找父节点
+                SysRoleTemplate parent = map.get(item.getPid());
+                if (parent != null) {
+                    parent.getChildren().add(item);
+                }
+            }
+        });
+        return roots;
     }
 
     @Override