From 8a2d6564e22c28ec357a8c702ffe67d6d790c459 Mon Sep 17 00:00:00 2001
From: Administrator <15274802129@163.com>
Date: Thu, 22 Jan 2026 16:37:51 +0800
Subject: [PATCH] fix(ai): 修复会员学习记录查询中的空指针异常
---
src/main/java/cc/mrbird/febs/ai/service/impl/AiMemberServiceImpl.java | 52 ++++++++++++++++++++++++++++++++++++++++------------
1 files changed, 40 insertions(+), 12 deletions(-)
diff --git a/src/main/java/cc/mrbird/febs/ai/service/impl/AiMemberServiceImpl.java b/src/main/java/cc/mrbird/febs/ai/service/impl/AiMemberServiceImpl.java
index 02d37fe..62f0eb8 100644
--- a/src/main/java/cc/mrbird/febs/ai/service/impl/AiMemberServiceImpl.java
+++ b/src/main/java/cc/mrbird/febs/ai/service/impl/AiMemberServiceImpl.java
@@ -392,23 +392,51 @@
// 创建分页对象，传入当前页和每页大小
Page<ApiCompanyStudyVo> page = new Page<>(dto.getPageNow(), dto.getPageSize());
IPage<ApiCompanyStudyVo> result = aiMemberAnswerService.selectListPage(dto, page);
+// List<ApiCompanyStudyVo> records = result.getRecords();
+// if (CollUtil.isNotEmpty(records)){
+// //stream流获取re cords集合中的元素productId的set集合
+// Set<String> collect = records.stream().map(ApiCompanyStudyVo::getProductId).collect(Collectors.toSet());
+// List<AiMemberAnswer> list = aiMemberAnswerService.getIdListByCompanyIdAndProductId(companyId, collect);
+// if (CollUtil.isNotEmpty(list)){
+// //利用stream流，操作集合list，返回一个map对象，key为productId，value为按照productId分组的集合的大小,默认值为0
+// Map<String, Long> memberAnswerItemCountMap =
+// list.stream().collect(Collectors.groupingBy(
+// AiMemberAnswer::getProductId,
+// Collectors.counting()
+// ));
+// for ( ApiCompanyStudyVo record : records){
+// record.setPracticeCnt(memberAnswerItemCountMap.getOrDefault(record.getProductId(), 0L).intValue());
+// }
+// }
+// }
+
List<ApiCompanyStudyVo> records = result.getRecords();
if (CollUtil.isNotEmpty(records)){
- //stream流获取re cords集合中的元素productId的set集合
- Set<String> collect = records.stream().map(ApiCompanyStudyVo::getProductId).collect(Collectors.toSet());
- List<AiMemberAnswer> list = aiMemberAnswerService.getIdListByCompanyIdAndProductId(companyId, collect);
- if (CollUtil.isNotEmpty(list)){
- //利用stream流，操作集合list，返回一个map对象，key为productId，value为按照productId分组的集合的大小,默认值为0
- Map<String, Long> memberAnswerItemCountMap =
- list.stream().collect(Collectors.groupingBy(
- AiMemberAnswer::getProductId,
- Collectors.counting()
- ));
- for ( ApiCompanyStudyVo record : records){
- record.setPracticeCnt(memberAnswerItemCountMap.getOrDefault(record.getProductId(), 0L).intValue());
+ // 安全地获取 productId 集合，过滤掉 null 值
+ Set<String> collect = records.stream()
+ .filter(Objects::nonNull)
+ .map(ApiCompanyStudyVo::getProductId)
+ .filter(Objects::nonNull)
+ .collect(Collectors.toSet());
+
+ if (CollUtil.isNotEmpty(collect)) { // 确保 collect 不为空
+ List<AiMemberAnswer> list = aiMemberAnswerService.getIdListByCompanyIdAndProductId(companyId, collect);
+ if (CollUtil.isNotEmpty(list)){
+ Map<String, Long> memberAnswerItemCountMap = list.stream()
+ .collect(Collectors.groupingBy(
+ AiMemberAnswer::getProductId,
+ Collectors.counting()
+ ));
+
+ for (ApiCompanyStudyVo record : records){
+ if (record != null && record.getProductId() != null) {
+ record.setPracticeCnt(memberAnswerItemCountMap.getOrDefault(record.getProductId(), 0L).intValue());
+ }
+ }
}
}
}
+
return new FebsResponse().success().data(result);
}
--
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