修改

src/views/rxcj/modules/cj.vue

@@ -118,17 +118,6 @@ export default {
         }
       }, _this.setImageTime)
     },
-    dataURLtoFile (dataurl, filename) {
-      var arr = dataurl.split(',')
-      var mime = arr[0].match(/:(.*?);/)[1]
-      var bstr = atob(arr[1])
-      var n = bstr.length
-      var u8arr = new Uint8Array(n)
-      while (n--) {
-        u8arr[n] = bstr.charCodeAt(n)
-      }
-      return new File([u8arr], filename, { type: mime })
-    },
     changePhoto () {
       let _this = this
       navigator.mediaDevices.enumerateDevices()

src/views/rxcj/rxcj.vue

@@ -353,7 +353,7 @@ export default {
       this.cjjgList.forEach((item) => {
         let blob = this.dataURLtoBlob(item.content);
         let link = document.createElement('a')
-        link.download = 'zhangsan' + item.id // 要下载的文件名
+        link.download = 'zhangsan' + item.id 
         link.href = URL.createObjectURL(blob);
 
         document.body.appendChild(link);