文件格式判断

src/views/inout/DialogCheck.vue

@@ -145,6 +145,7 @@
                 :on-change="uploadOnchange"
                 :on-success="uploadHandleSuccess"
                 :on-error="uploadHandleError"
+                :on-before="uploadHandleBefore"
                 :file-list="fileList"
                 :data="{type:'image2'}"
                 :auto-upload="true">
@@ -347,7 +348,14 @@ export default {
     uploadHandleError() {
 
     },
-
+    uploadHandleBefore(file){
+      let isJPG = file.type === 'image/jpeg';
+      let isPNG = file.type === 'image/png';
+      if(!isJPG&&!isPNG){
+        this.$message.error('只能上传jpg或png格式');
+      }
+      return isJPG || isPNG;
+    },
     showImgViewer(row){
       this.certFileUrl = this.BASE_URL + "/udiwms/image/register/file/getImage?type=image2&name=";
       this.imgList=[];