fix Bug Features CHANGELOG.ms

src/utils/downloadFile.ts

@@ -4,13 +4,13 @@
  * @param name 文件名
  */
 function saveAs(data, name) {
-  const urlObject = window.URL || window.webkitURL || window
-  const export_blob = new Blob([data])
-  const save_link = document.createElement('a')
-  save_link.href = urlObject.createObjectURL(export_blob)
-  save_link.download = name
-  save_link.click()
-  urlObject.revokeObjectURL(save_link.href)
+    const urlObject = window.URL || window.webkitURL || window
+    const export_blob = new Blob([data])
+    const save_link = document.createElement('a')
+    save_link.href = urlObject.createObjectURL(export_blob)
+    save_link.download = name
+    save_link.click()
+    urlObject.revokeObjectURL(save_link.href)
 }
 
 /**
@@ -18,11 +18,11 @@ function saveAs(data, name) {
  * @param url 文件url
  */
 function getFileName(url) {
-  const num = url.lastIndexOf('/') + 1
-  let fileName = url.substring(num)
-  //把参数和文件名分割开
-  fileName = decodeURI(fileName.split('?')[0])
-  return fileName
+    const num = url.lastIndexOf('/') + 1
+    let fileName = url.substring(num)
+    //把参数和文件名分割开
+    fileName = decodeURI(fileName.split('?')[0])
+    return fileName
 }
 
 /**
@@ -30,57 +30,57 @@ function getFileName(url) {
  * @param {*} sUrl
  */
 export function downloadByUrl({ url, target = '_blank', fileName }: {
-  url: string
-  target?: '_self' | '_blank'
-  fileName?: string
+    url: string
+    target?: '_self' | '_blank'
+    fileName?: string
 }): Promise<boolean> {
-  // 是否同源
-  const isSameHost = new URL(url).host == location.host
-  return new Promise<boolean>((resolve, reject) => {
-    if (isSameHost) {
-      const link = document.createElement('a')
-      link.href = url
-      link.target = target
+    // 是否同源
+    const isSameHost = new URL(url).host == location.host
+    return new Promise<boolean>((resolve, reject) => {
+        if (isSameHost) {
+            const link = document.createElement('a')
+            link.href = url
+            link.target = target
 
-      if (link.download !== undefined) {
-        link.download = fileName || getFileName(url)
-      }
+            if (link.download !== undefined) {
+                link.download = fileName || getFileName(url)
+            }
 
-      if (document.createEvent) {
-        const e = document.createEvent('MouseEvents')
-        e.initEvent('click', true, true)
-        link.dispatchEvent(e)
-        return resolve(true)
-      }
+            if (document.createEvent) {
+                const e = document.createEvent('MouseEvents')
+                e.initEvent('click', true, true)
+                link.dispatchEvent(e)
+                return resolve(true)
+            }
 
-      if (url.indexOf('?') === -1) {
-        url += '?download'
-      }
+            if (url.indexOf('?') === -1) {
+                url += '?download'
+            }
 
-      window.open(url, target)
-      return resolve(true)
-    } else {
-      const canvas = document.createElement('canvas')
-      const img = document.createElement('img')
-      img.setAttribute('crossOrigin', 'Anonymous')
-      img.src = url
-      img.onload = (e) => {
-        canvas.width = img.width
-        canvas.height = img.height
-        const context = canvas.getContext('2d')!
-        context.drawImage(img, 0, 0, img.width, img.height)
-        // window.navigator.msSaveBlob(canvas.msToBlob(),'image.jpg');
-        // saveAs(imageDataUrl, '附件');
-        canvas.toBlob((blob) => {
-          const link = document.createElement('a')
-          link.href = window.URL.createObjectURL(blob)
-          link.download = getFileName(url)
-          link.click()
-          URL.revokeObjectURL(link.href)
-          resolve(true)
-        }, 'image/jpeg')
-      }
-      img.onerror = (e) => reject(e)
-    }
-  })
+            window.open(url, target)
+            return resolve(true)
+        } else {
+            const canvas = document.createElement('canvas')
+            const img = document.createElement('img')
+            img.setAttribute('crossOrigin', 'Anonymous')
+            img.src = url
+            img.onload = (e) => {
+                canvas.width = img.width
+                canvas.height = img.height
+                const context = canvas.getContext('2d')!
+                context.drawImage(img, 0, 0, img.width, img.height)
+                // window.navigator.msSaveBlob(canvas.msToBlob(),'image.jpg');
+                // saveAs(imageDataUrl, '附件');
+                canvas.toBlob((blob) => {
+                    const link = document.createElement('a')
+                    link.href = window.URL.createObjectURL(blob)
+                    link.download = getFileName(url)
+                    link.click()
+                    URL.revokeObjectURL(link.href)
+                    resolve(true)
+                }, 'image/jpeg')
+            }
+            img.onerror = (e) => reject(e)
+        }
+    })
 }