update 完成房屋详情编辑的第一个页签

Web/src/util/file/index.js

@@ -1,3 +1,5 @@
+import app from '@/main'
+
 const _getFileTypeByBase64 = (base64) => {
     let arr = base64.split(','),
         fileType = arr[0].match(/:(.*?);/)[1]
@@ -82,4 +84,42 @@ export const BlobToBase64 = async (blob) => {
             resolve(e.target.result)
         }
     })
+}
+
+export const GetFileName = (disposition) => {
+    const dispositionSplit = disposition.split(';')
+    const fileName = decodeURI(
+        dispositionSplit[1].split('=')[1],
+        dispositionSplit[2].match(/(?<=\*=).*?(?=\')/)[0]
+    )
+    return fileName
+}
+
+export const PreviewFileResponse = async (id) => {
+    return app.$api.sysFileInfoPreview({ id }).then((res) => {
+        return res
+    })
+}
+
+export const PreviewFileArrayBuffer = async (id) => {
+    const response = await PreviewFileResponse(id)
+    return response.data
+}
+
+export const PreviewFileBase64 = async (id) => {
+    const file = await PreviewFile(id)
+    if (!file) return
+    const base64 = await BlobToBase64(file)
+    return base64
+}
+
+export const PreviewFile = async (id) => {
+    const response = await PreviewFileResponse(id)
+    const arrayBuffer = response.data
+    const blob = ArrayBufferToBlob(arrayBuffer)
+    const disposition = response.headers['content-disposition']
+    if (!disposition) return
+    const fileName = GetFileName(disposition)
+    const file = BlobToFile(blob, fileName, response.headers['content-type'])
+    return file
 }