update

src/components/opinionDialog.vue

@@ -174,10 +174,15 @@
         });
       },
       getImgParam(file) {
-        const isLt2M = file.size / 1024 / 1024 < 5;
+        let isAllowed = /^image\/(jpg|jpeg|png|bmp)$/.test(file.type);
+        if( !isAllowed ){
+          this.$message.error('仅支持jpg、png、bmp格式图片文件');
+          return false;
+        }
+        const isLt2M = (file.size / 1024 / 1024) < 5;
         if (!isLt2M) {
           this.$message.error('上传图片大小不能超过 5MB!');
-          return isLt2M;
+          return false;
         }
         const date = new Date();
         const year = date.getFullYear();
@@ -238,15 +243,23 @@
       margin-left: 10px;
     }
     .el-upload-list--picture .el-upload-list__item-thumbnail{
-      margin-left: -74px;
+      margin-left: -75px;
     }
     .el-upload-list__item{
       width: 92px;
+      height: 102px !important;
+      padding-top: 15px !important;
       display: inline-block;
       margin-right: 5px;
       .el-upload-list__item-name{
         display: none;
       }
+      .el-icon-close-tip{
+        display: none;
+      }
+      &.is-success:focus:not(:hover) .el-icon-close-tip {
+          display: none;
+      }
     }
     .el-upload-list--picture .el-upload-list__item-status-label{
       background: #449284;