更改总计逻辑

public/static/js/history.js

@@ -25,10 +25,50 @@ async function batchDownloadHistory() {
 
     const ids = Array.from(checkboxes).map(cb => parseInt(cb.value));
     
-    // 逐个下载
-    ids.forEach(id => {
-        window.open(`/api/download?id=${id}`, '_blank');
-    });
+    // 检查是否有生成失败的记录
+    const failedCount = Array.from(checkboxes).filter(cb => cb.dataset.status !== '1').length;
+    const successCount = checkboxes.length - failedCount;
+    
+    if (successCount === 0) {
+        alert('选中的记录都是生成失败的，无法下载');
+        return;
+    }
+    
+    if (failedCount > 0) {
+        if (!confirm(`选中的 ${checkboxes.length} 条记录中有 ${failedCount} 条是生成失败的，无法下载。\n是否打包下载成功的 ${successCount} 条？`)) {
+            return;
+        }
+    }
+    
+    try {
+        const response = await fetch('/api/download/batch', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ ids: ids })
+        });
+        
+        if (response.ok) {
+            const blob = await response.blob();
+            const url = window.URL.createObjectURL(blob);
+            const a = document.createElement('a');
+            a.href = url;
+            const timestamp = new Date().toISOString().slice(0, 19).replace(/[-T:]/g, '');
+            a.download = `批量下载_${timestamp}.zip`;
+            document.body.appendChild(a);
+            a.click();
+            document.body.removeChild(a);
+            window.URL.revokeObjectURL(url);
+        } else {
+            try {
+                const result = await response.json();
+                alert('下载失败: ' + (result.message || '未知错误'));
+            } catch (e) {
+                alert('下载失败: 服务器返回错误');
+            }
+        }
+    } catch (error) {
+        alert('下载失败: ' + error.message);
+    }
 }
 
 // 按日期查询
@@ -159,7 +199,7 @@ function renderHistory(list) {
         
         return `
             <tr>
-                <td><input type="checkbox" class="history-checkbox" value="${item.id}"></td>
+                <td><input type="checkbox" class="history-checkbox" value="${item.id}" data-status="${item.status}" data-name="${configName}"></td>
                 <td>${reportDate}</td>
                 <td>${timeRange}</td>
                 <td>${configName}</td>