File size: 2,124 Bytes
32a94ee | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | <!DOCTYPE html>
<html lang="vi">
<head>
<meta charset="UTF-8">
<title>Test Excel Fix</title>
<script src="https://cdn.jsdelivr.net/npm/exceljs@4.4.0/dist/exceljs.min.js"></script>
</head>
<body>
<h2>🧪 Test Excel Multi-Download Fix</h2>
<button id="testBtn" onclick="testMultiDownload()">Test Excel Download</button>
<p id="status">Trạng thái: Chưa test</p>
<script>
// Patch URL.revokeObjectURL
var __VAI_BLOB_REGISTRY = { blobs: [], registry: [], isUnloading: false };
var orig = URL.revokeObjectURL;
URL.revokeObjectURL = function(url) {
if (!__VAI_BLOB_REGISTRY.isUnloading && url && url.startsWith('blob:')) {
if (!__VAI_BLOB_REGISTRY.registry.find(e => e.url === url)) {
__VAI_BLOB_REGISTRY.registry.push({ url: url, revoked: false });
}
return;
}
return orig.apply(this, arguments);
};
async function testMultiDownload() {
var btn = document.getElementById('testBtn');
var status = document.getElementById('status');
try {
var wb = new ExcelJS.Workbook();
var ws = wb.addWorksheet('Test');
ws.getCell('A1').value = 'TEST MULTI-DOWNLOAD - ' + new Date().toLocaleTimeString();
var buf = await wb.xlsx.writeBuffer();
var blob = new Blob([buf], { type: 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet' });
var url = URL.createObjectURL(blob);
__VAI_BLOB_REGISTRY.blobs.push({ url: url });
var a = document.createElement('a');
a.href = url;
a.download = 'test_' + Date.now() + '.xlsx';
document.body.appendChild(a);
a.click();
document.body.removeChild(a);
status.innerHTML = '✅ Đã tải - ' + (new Date().toLocaleTimeString()) + '<br>Blob URL được bảo toàn, tải lại được!';
} catch (e) {
status.innerHTML = '❌ Lỗi: ' + e.message;
}
}
</script>
</body>
</html> |