From 5c008fc934537e24cc37d30ded175dc9ef4059e2 Mon Sep 17 00:00:00 2001
From: sxu <602087911@qq.com>
Date: Fri, 23 Aug 2024 17:43:38 +0800
Subject: [PATCH] =?UTF-8?q?=E5=90=8C=E6=AD=A5=E4=BB=A3=E7=A0=81?=
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---
 .../service/impl/BackApplyServiceImpl.java    | 20 ++++++++++---------
 1 file changed, 11 insertions(+), 9 deletions(-)

diff --git a/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/service/impl/BackApplyServiceImpl.java b/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/service/impl/BackApplyServiceImpl.java
index cb01580..8a20bb5 100644
--- a/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/service/impl/BackApplyServiceImpl.java
+++ b/sgzb-modules/sgzb-material/src/main/java/com/bonus/sgzb/material/service/impl/BackApplyServiceImpl.java
@@ -371,15 +371,17 @@ public class BackApplyServiceImpl implements BackApplyService {
         try {
             // 先查第四层类型
             listL4 = backApplyMapper.getUseTypeTreeL4(bean);
-            List<Long> list4ParentIds = listL4.stream().map(o -> o.getParentId()).collect(Collectors.toList());
-            // 根据第四层parentId 查第三层类型
-            listL3 = backApplyMapper.getUseTypeTreeL3(list4ParentIds);
-            List<Long> list3ParentIds = listL3.stream().map(o -> o.getParentId()).collect(Collectors.toList());
-            // 根据第三层parentId 查第1.2层类型
-            listL21 = backApplyMapper.getUseTypeTreeL21(list3ParentIds);
-            list.addAll(listL4);
-            list.addAll(listL3);
-            list.addAll(listL21);
+            if (CollectionUtils.isNotEmpty(listL4)) {
+                List<Long> list4ParentIds = listL4.stream().map(o -> o.getParentId()).collect(Collectors.toList());
+                // 根据第四层parentId 查第三层类型
+                listL3 = backApplyMapper.getUseTypeTreeL3(list4ParentIds);
+                List<Long> list3ParentIds = listL3.stream().map(o -> o.getParentId()).collect(Collectors.toList());
+                // 根据第三层parentId 查第1.2层类型
+                listL21 = backApplyMapper.getUseTypeTreeL21(list3ParentIds);
+                list.addAll(listL4);
+                list.addAll(listL3);
+                list.addAll(listL21);
+            }
             if (CollectionUtils.isNotEmpty(list)) {
                 // 创建树形结构（数据集合作为参数）
                 TypeTreeBuild treeBuild = new TypeTreeBuild(list);