From 0c510424ebe81013bc628d5a411457453f84f81b Mon Sep 17 00:00:00 2001
From: xiangpei <xiangpei@timesnew.cn>
Date: 星期五, 24 五月 2024 14:25:37 +0800
Subject: [PATCH] 考试记录计算平均分重写
---
src/main/java/com/mindskip/xzs/controller/admin/ExamPaperAnswerController.java | 8 +++++---
1 files changed, 5 insertions(+), 3 deletions(-)
diff --git a/src/main/java/com/mindskip/xzs/controller/admin/ExamPaperAnswerController.java b/src/main/java/com/mindskip/xzs/controller/admin/ExamPaperAnswerController.java
index d70659e..574bcde 100644
--- a/src/main/java/com/mindskip/xzs/controller/admin/ExamPaperAnswerController.java
+++ b/src/main/java/com/mindskip/xzs/controller/admin/ExamPaperAnswerController.java
@@ -28,6 +28,7 @@
import javax.validation.Valid;
import java.math.BigDecimal;
+import java.math.RoundingMode;
import java.util.List;
import java.util.Map;
import java.util.stream.Collectors;
@@ -76,12 +77,13 @@
vm.setSubjectName(name);
vm.setCreateTime(DateTimeUtil.dateFormat(e.getCreateTime()));
-// vm.setUserName(user.getRealName());
return vm;
});
-// page.setList(page.getList().stream().filter(e -> e != null).collect(Collectors.toList()));
if (page.getList().size() > 0) {
- Double avg = page.getList().stream().mapToInt(ExamPaperAnswerPageResponseVM -> Integer.parseInt(ExamPaperAnswerPageResponseVM.getUserScore())).average().getAsDouble();
+ BigDecimal sum = page.getList().stream()
+ .map(ExamPaperAnswerPageResponseVM -> new BigDecimal(ExamPaperAnswerPageResponseVM.getUserScore()))
+ .reduce(BigDecimal.ZERO, BigDecimal::add); // 璁＄畻鎬诲拰
+ Double avg = sum.divide(BigDecimal.valueOf(page.getList().size()), 2, RoundingMode.HALF_UP).doubleValue();
page.getList().get(0).setAvgSource(avg);
}
return RestResponse.ok(page);
--
Gitblit v1.8.0