From 33553c52b5c52e3b00c518438c8ae0aa8aa07282 Mon Sep 17 00:00:00 2001
From: skycurtain <skycurtain@163.com>
Date: Tue, 12 Aug 2025 09:22:51 +0800
Subject: [PATCH] chore: utils

---
 src/utils/download.ts | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)
 create mode 100644 src/utils/download.ts

diff --git a/src/utils/download.ts b/src/utils/download.ts
new file mode 100644
index 0000000..e5800c8
--- /dev/null
+++ b/src/utils/download.ts
@@ -0,0 +1,17 @@
+export function downloadByData(data: BlobPart, filename: string, mime?: string, bom?: BlobPart) {
+  const blobData = typeof bom !== 'undefined' ? [bom, data] : [data];
+  const blob = new Blob(blobData, { type: mime || 'application/octet-stream' });
+
+  const blobURL = window.URL.createObjectURL(blob);
+  const tempLink = document.createElement('a');
+  tempLink.style.display = 'none';
+  tempLink.href = blobURL;
+  tempLink.setAttribute('download', filename);
+  if (typeof tempLink.download === 'undefined') {
+    tempLink.setAttribute('target', '_blank');
+  }
+  document.body.appendChild(tempLink);
+  tempLink.click();
+  document.body.removeChild(tempLink);
+  window.URL.revokeObjectURL(blobURL);
+}