电签签名

src/views/certificate/lists/addList.vue

@@ -642,11 +642,6 @@ export default {
     },
     //预览
     async signaturePreview() {
-      const url = await this.prePictureApi()
-      if (!url) return
-      window.open(url, '_blank')
-    },
-    async prePictureApi() {
       const form = this.form
       const isImg = form.signatureFileUrl.length <= 0
       if (isImg) {
@@ -664,6 +659,14 @@ export default {
         })
         return false
       }
+      const url = await this.prePictureApi()
+      if (!url) return
+      window.open(url, '_blank')
+    },
+    async prePictureApi() {
+      const form = this.form
+      const file = form.signatureFileUrl[0].raw
+      if (!file) return false
       let fromData = new FormData();
       fromData.append('file', file);
       fromData.append('wide', form.wide);