Accept Merge Request #83: (hyc -> master)

Merge Request: 【修改】生成笔试试卷按钮 加载状态

Created By: @华允传
Accepted By: @华允传
URL: https://g-iswv8783.coding.net/p/education/d/pengchen-ui-exam-vue3/git/merge/83?initial=true

src/api/system/paper/index.ts

@@ -69,7 +69,6 @@ export async function exportPapers(params) {
 }
 
 export async function getPaperDetailByTaskId(paperId) {
-
   return await request.get({ url: '/exam/qu/getPaper' , params:{paperId}   })
 }
 
@@ -91,4 +90,40 @@ export async function updatePaperStatus(paperId: string, status: number) {
     data: { paperId, status } // 使用data
   })
 }
+  
+export async function openDown(ids) {
+  try {
+    // 1. 将数组转换为逗号分隔的字符串（例如 ["id1", "id2"] → "id1,id2"）
+    const paperIdsParam = ids.join(',');
 
+    const res = await request.download({
+      url: `/exam/paper/addUpload/${paperIdsParam}`,
+    });
+    // 3. 创建 Blob 并触发下载
+    const blob = new Blob([res]);
+    const url = window.URL.createObjectURL(blob);
+    const link = document.createElement('a');
+    link.href = url;
+    // 使用示例
+    const filename = `${getNowTimeString()}.zip`;
+    link.setAttribute('download', filename);
+    document.body.appendChild(link);
+    link.click();
+    link.remove();
+    window.URL.revokeObjectURL(url); // 释放内存
+  } catch (e) {
+    console.error('下载失败:', e);
+    throw new Error('下载试卷失败');
+  }
+}
+
+function getNowTimeString() {
+  const now = new Date();
+  const Y = now.getFullYear();
+  const M = String(now.getMonth() + 1).padStart(2, '0');
+  const D = String(now.getDate()).padStart(2, '0');
+  const h = String(now.getHours()).padStart(2, '0');
+  const m = String(now.getMinutes()).padStart(2, '0');
+  const s = String(now.getSeconds()).padStart(2, '0');
+  return `${Y}${M}${D}${h}${m}${s}`;
+}