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update 优化 TreeBuildUtils 工具 使用反射自动获取顶级父id

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疯狂的狮子li
2022-02-15 10:45:04 +08:00
parent e2b786d97b
commit 961073ec96
3 changed files with 10 additions and 6 deletions
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10
ruoyi-common/src/main/java/com/ruoyi/common/utils/TreeBuildUtils.java
View File

@@ -1,9 +1,11 @@
package com.ruoyi.common.utils;
import cn.hutool.core.collection.CollUtil;
import cn.hutool.core.lang.tree.Tree;
import cn.hutool.core.lang.tree.TreeNodeConfig;
import cn.hutool.core.lang.tree.TreeUtil;
import cn.hutool.core.lang.tree.parser.NodeParser;
import com.ruoyi.common.utils.reflect.ReflectUtils;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
@@ -22,8 +24,12 @@ public class TreeBuildUtils extends TreeUtil {
*/
public static final TreeNodeConfig DEFAULT_CONFIG = TreeNodeConfig.DEFAULT_CONFIG.setNameKey("label");
public static <T> List<Tree<Long>> build(List<T> list, Long parentId, NodeParser<T, Long> nodeParser) {
return TreeUtil.build(list, parentId, DEFAULT_CONFIG, nodeParser);
public static <T, K> List<Tree<K>> build(List<T> list, NodeParser<T, K> nodeParser) {
if (CollUtil.isEmpty(list)) {
return null;
}
K k = ReflectUtils.invokeGetter(list.get(0), "parentId");
return TreeUtil.build(list, k, DEFAULT_CONFIG, nodeParser);
}
}

3
ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
View File

@@ -60,8 +60,7 @@ public class SysDeptServiceImpl implements ISysDeptService {
if (CollUtil.isEmpty(depts)) {
return CollUtil.newArrayList();
}
Long parentId = depts.get(0).getParentId();
return TreeBuildUtils.build(depts, parentId, (dept, tree) ->
return TreeBuildUtils.build(depts, (dept, tree) ->
tree.setId(dept.getDeptId())
.setParentId(dept.getParentId())
.setName(dept.getDeptName())

3
ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java
View File

@@ -181,8 +181,7 @@ public class SysMenuServiceImpl implements ISysMenuService {
if (CollUtil.isEmpty(menus)) {
return CollUtil.newArrayList();
}
Long parentId = menus.get(0).getParentId();
return TreeBuildUtils.build(menus, parentId, (menu, tree) ->
return TreeBuildUtils.build(menus, (menu, tree) ->
tree.setId(menu.getMenuId())
.setParentId(menu.getParentId())
.setName(menu.getMenuName())