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优化递归子节点

This commit is contained in:
RuoYi 2020-08-28 10:14:59 +08:00
parent dd6640086e
commit 068c3e6f0d
2 changed files with 12 additions and 19 deletions
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8
ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysDeptServiceImpl.java
View File

@ -267,13 +267,7 @@ public class SysDeptServiceImpl implements ISysDeptService
{ {
if (hasChild(list, tChild)) if (hasChild(list, tChild))
{ {
// 判断是否有子节点 recursionFn(list, tChild);
Iterator<SysDept> it = childList.iterator();
while (it.hasNext())
{
SysDept n = (SysDept) it.next();
recursionFn(list, n);
}
} }
} }
} }

23
ruoyi-system/src/main/java/com/ruoyi/system/service/impl/SysMenuServiceImpl.java
View File

@ -178,14 +178,19 @@ public class SysMenuServiceImpl implements ISysMenuService
public List<SysMenu> buildMenuTree(List<SysMenu> menus) public List<SysMenu> buildMenuTree(List<SysMenu> menus)
{ {
List<SysMenu> returnList = new ArrayList<SysMenu>(); List<SysMenu> returnList = new ArrayList<SysMenu>();
List<Long> tempList = new ArrayList<Long>();
for (SysMenu dept : menus)
{
tempList.add(dept.getMenuId());
}
for (Iterator<SysMenu> iterator = menus.iterator(); iterator.hasNext();) for (Iterator<SysMenu> iterator = menus.iterator(); iterator.hasNext();)
{ {
SysMenu t = (SysMenu) iterator.next(); SysMenu menu = (SysMenu) iterator.next();
// 根据传入的某个父节点ID,遍历该父节点的所有子节点 // 如果是顶级节点, 遍历该父节点的所有子节点
if (t.getParentId() == 0) if (!tempList.contains(menu.getParentId()))
{ {
recursionFn(menus, t); recursionFn(menus, menu);
returnList.add(t); returnList.add(menu);
} }
} }
if (returnList.isEmpty()) if (returnList.isEmpty())
@ -406,13 +411,7 @@ public class SysMenuServiceImpl implements ISysMenuService
{ {
if (hasChild(list, tChild)) if (hasChild(list, tChild))
{ {
// 判断是否有子节点 recursionFn(list, tChild);
Iterator<SysMenu> it = childList.iterator();
while (it.hasNext())
{
SysMenu n = (SysMenu) it.next();
recursionFn(list, n);
}
} }
} }
} }