fix(download): Optimize download logic and adapt to iframe

packages/utils/src/fs/fszip.js

@@ -19,13 +19,13 @@ import JSZIP from 'jszip'
  * @param {string} fileName 文件名
  */
 export function saveAs(blobData, fileName) {
-  const zipLink = document.createElement('a')
-  zipLink.download = fileName
-  zipLink.style.display = 'none'
-  zipLink.href = URL.createObjectURL(blobData)
-  document.body.appendChild(zipLink)
-  zipLink.click()
-  document.body.removeChild(zipLink)
+  const downloadLink = document.createElement('a')
+  downloadLink.download = fileName
+  downloadLink.style.display = 'none'
+  downloadLink.href = URL.createObjectURL(blobData)
+  document.body.appendChild(downloadLink)
+  downloadLink.click()
+  document.body.removeChild(downloadLink)
 }
 
 /**

packages/utils/src/fs/index.js

@@ -25,7 +25,7 @@ export const isSupportFileSystemAccess =
  * @returns dirHandle 目录句柄
  */
 export const getUserBaseDirHandle = async (options = {}) => {
-  if (!window.showOpenFilePicker) {
+  if (!isSupportFileSystemAccess) {
     return createZip()
   }
   const dirHandle = await window.showDirectoryPicker({ mode: 'readwrite', ...options })
@@ -81,8 +81,8 @@ export async function getFileHandle(baseDirHandle, filePath, { create = false }
  * @returns fileHandle 文件句柄
  */
 export const getUserFileHandle = async (options = {}) => {
-  if (!window.showOpenFilePicker) {
-    throw new Error('不支持的浏览器!')
+  if (!isSupportFileSystemAccess) {
+    throw new Error('不支持的浏览器或处于iframe中')
   }
   const [fileHandle] = await window.showOpenFilePicker({ mode: 'readwrite', ...options })
   return fileHandle