From e81a1aa98307efaa4789fbd141c172b577a05f0c Mon Sep 17 00:00:00 2001
From: 15854642326 <xxb_lmj@jiajiayue.com.cn>
Date: Wed, 14 Dec 2022 14:46:23 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E7=94=B5=E5=AD=90=E7=AD=BE?=
 =?UTF-8?q?=E5=90=8D=E5=9B=BE=E7=89=87=E6=A0=BC=E5=BC=8F?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/views/yinnong/signature.vue | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/src/views/yinnong/signature.vue b/src/views/yinnong/signature.vue
index c3974c89..4b12a6d3 100644
--- a/src/views/yinnong/signature.vue
+++ b/src/views/yinnong/signature.vue
@@ -117,21 +117,20 @@ export default {
         
         });
     },
-    dataURLtoBlob(dataurl) {
-      var arr = dataurl.split(',');
-        //注意base64的最后面中括号和引号是不转译的   
-        var _arr = arr[1].substring(0,arr[1].length-2);
-        var mime = arr[0].match(/:(.*?);/)[1],
-          bstr =atob(_arr),
-          n = bstr.length,
-          u8arr = new Uint8Array(n);
+    dataURLtoBlob (dataurl, filename = 'file') {
+        let arr = dataurl.split(',')
+        let mime = arr[0].match(/:(.*?);/)[1]
+        let suffix = mime.split('/')[1]
+        let bstr = atob(arr[1])
+        let n = bstr.length
+        let u8arr = new Uint8Array(n)
         while (n--) {
-          u8arr[n] = bstr.charCodeAt(n);
+            u8arr[n] = bstr.charCodeAt(n)
         }
-        return new Blob([u8arr], {
-          type: mime
-        });
-    },
+        return new File([u8arr], `${filename}.${suffix}`, {
+            type: mime
+        })
+      },
   }
 }