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部门结构树递归方式改为循环方式,提升性能

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This commit is contained in:
zsz
2022-02-23 17:41:54 +08:00
parent c8c57b545a
commit 0f2f0372e6
6 changed files with 50 additions and 26 deletions
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4
ruoyi-system/src/main/java/com/ruoyi/system/service/ISysDeptService.java
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@ -1,6 +1,8 @@
package com.ruoyi.system.service;
import java.util.List;
import cn.hutool.core.lang.tree.Tree;
import com.ruoyi.common.core.domain.TreeSelect;
import com.ruoyi.common.core.domain.entity.SysDept;
@ -25,7 +27,7 @@ public interface ISysDeptService
* @param depts 部门列表
* @return 树结构列表
*/
public List<SysDept> buildDeptTree(List<SysDept> depts);
public List<Tree<Long>> buildDeptTree(List<SysDept> depts, Long parentId);
/**
* 构建前端所需要下拉树结构

40
ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
View File

@ -4,6 +4,10 @@ import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import java.util.stream.Collectors;
import cn.hutool.core.lang.tree.Tree;
import cn.hutool.core.lang.tree.TreeNodeConfig;
import cn.hutool.core.lang.tree.TreeUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.ruoyi.common.annotation.DataScope;
@ -55,28 +59,20 @@ public class SysDeptServiceImpl implements ISysDeptService
* @return 树结构列表
*/
@Override
public List<SysDept> buildDeptTree(List<SysDept> depts)
public List<Tree<Long>> buildDeptTree(List<SysDept> depts,Long parentId)
{
List<SysDept> returnList = new ArrayList<SysDept>();
List<Long> tempList = new ArrayList<Long>();
for (SysDept dept : depts)
{
tempList.add(dept.getDeptId());
}
for (SysDept dept : depts)
{
// 如果是顶级节点, 遍历该父节点的所有子节点
if (!tempList.contains(dept.getParentId()))
{
recursionFn(depts, dept);
returnList.add(dept);
}
}
if (returnList.isEmpty())
{
returnList = depts;
}
return returnList;
//配置
TreeNodeConfig treeNodeConfig = new TreeNodeConfig();
treeNodeConfig.setNameKey("label");
// 自定义属性名 都要默认值的
List<Tree<Long>> treeList = TreeUtil.build(depts, parentId, treeNodeConfig,
(treeNode, tree) -> {
tree.setId(treeNode.getDeptId());
tree.setParentId(treeNode.getParentId());
tree.setName(treeNode.getDeptName());
tree.putExtra("value", treeNode.getDeptId());
});
return treeList;
}
/**
@ -88,7 +84,7 @@ public class SysDeptServiceImpl implements ISysDeptService
@Override
public List<TreeSelect> buildDeptTreeSelect(List<SysDept> depts)
{
List<SysDept> deptTrees = buildDeptTree(depts);
List<Tree<Long>> deptTrees = buildDeptTree(depts, 0L);
return deptTrees.stream().map(TreeSelect::new).collect(Collectors.toList());
}