From 7882fadf1377213db3676bea39d2776a67f8aa04 Mon Sep 17 00:00:00 2001
From: En <huangmingen@lesingle.com>
Date: Mon, 23 Mar 2026 14:46:50 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E5=AD=A6=E6=A0=A1=E7=AB=AF=E5=AF=BC?=
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- 修改 DashboardView.vue 中三个导出方法的错误处理逻辑
- 导出授课记录/教师绩效/学生统计时，空数据场景下显示后端返回的具体提示
- 错误消息从"导出失败"改为使用后端返回的详细消息内容

影响范围：
- reading-platform-frontend/src/views/school/DashboardView.vue
  - handleExportLessons
  - handleExportTeacherStats
  - handleExportStudentStats

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
---
 .../src/views/school/DashboardView.vue            | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/reading-platform-frontend/src/views/school/DashboardView.vue b/reading-platform-frontend/src/views/school/DashboardView.vue
index efd9f31..e7f58fb 100644
--- a/reading-platform-frontend/src/views/school/DashboardView.vue
+++ b/reading-platform-frontend/src/views/school/DashboardView.vue
@@ -698,7 +698,10 @@ const handleExportLessons = async () => {
     await exportLessons();
     message.success({ content: '导出成功', key: 'export' });
   } catch (error) {
-    message.error({ content: '导出失败', key: 'export' });
+    message.error({
+      content: error instanceof Error ? error.message : '导出失败',
+      key: 'export'
+    });
   }
 };
 
@@ -708,7 +711,10 @@ const handleExportTeacherStats = async () => {
     await exportTeacherStats();
     message.success({ content: '导出成功', key: 'export' });
   } catch (error) {
-    message.error({ content: '导出失败', key: 'export' });
+    message.error({
+      content: error instanceof Error ? error.message : '导出失败',
+      key: 'export'
+    });
   }
 };
 
@@ -718,7 +724,10 @@ const handleExportStudentStats = async () => {
     await exportStudentStats();
     message.success({ content: '导出成功', key: 'export' });
   } catch (error) {
-    message.error({ content: '导出失败', key: 'export' });
+    message.error({
+      content: error instanceof Error ? error.message : '导出失败',
+      key: 'export'
+    });
   }
 };