From d2a35b8d68e8befa5a07c4d919fc1ac503f257fc Mon Sep 17 00:00:00 2001
From: xzs02 <service02@dcloud.io>
Date: Wed, 23 Jan 2019 18:25:04 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E8=A7=A3=E5=86=B3=E4=B8=8A=E4=BC=A0?=
 =?UTF-8?q?=E6=96=87=E4=BB=B6=E8=B7=AF=E5=BE=84=E4=B8=BAbase64=E6=97=B6?=
 =?UTF-8?q?=E6=96=87=E4=BB=B6=E6=B2=A1=E6=9C=89=E6=89=A9=E5=B1=95=E5=90=8D?=
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---
 src/platforms/h5/helpers/file.js | 11 ++++++-----
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/src/platforms/h5/helpers/file.js b/src/platforms/h5/helpers/file.js
index 71aa45a8c0f..3a9a82a6b39 100644
--- a/src/platforms/h5/helpers/file.js
+++ b/src/platforms/h5/helpers/file.js
@@ -13,7 +13,7 @@ export function urlToFile (url) {
     return Promise.resolve(file)
   }
   if (/^data:[a-z-]+\/[a-z-]+;base64,/.test(url)) {
-    return Promise.resolve(base64ToBlob(url))
+    return Promise.resolve(base64ToFile(url))
   }
   return new Promise((resolve, reject) => {
     var xhr = new XMLHttpRequest()
@@ -27,11 +27,11 @@ export function urlToFile (url) {
   })
 }
 /**
- * base64转Blob
+ * base64转File
  * @param {string} base64
- * @return {Blob}
+ * @return {File}
  */
-export function base64ToBlob (base64) {
+export function base64ToFile (base64) {
   base64 = base64.split(',')
   var type = base64[0].match(/:(.*?);/)[1]
   var str = atob(base64[1])
@@ -40,7 +40,8 @@ export function base64ToBlob (base64) {
   while (n--) {
     array[n] = str.charCodeAt(n)
   }
-  return new Blob([array], { type: type })
+  var filename = `${Date.now()}.${type.split('/')[1]}`
+  return new File([array], filename, { type: type })
 }
 /**
  * 从本地file或者blob对象创建url