版本更新到3.0.3：

1. 修复axios is not defined问题；
2. 图片、文件上传组件增加onFileRemove交互事件；
3. designer-config属性新增resetFormJson参数；
4. 修复选项数据动态加载可能无效的问题；
5. 修复其他一些小bug。

src/components/form-designer/setting-panel/property-editor/container-tab/tab-customClass-editor.vue

@@ -25,10 +25,11 @@
                        icon="el-icon-minus" class="col-delete-button"></el-button>
           </li>
         </template>
-        <div>
-          <el-button type="text" @click="addTabPane(selectedWidget)">{{i18nt('designer.setting.addTabPane')}}</el-button>
-        </div>
       </draggable>
+
+      <div>
+        <el-button type="text" @click="addTabPane(selectedWidget)">{{i18nt('designer.setting.addTabPane')}}</el-button>
+      </div>
     </el-form-item>
   </div>
 </template>

src/components/form-designer/setting-panel/property-editor/event-handler/onFileRemove.vue

@@ -0,0 +1,30 @@
+<template>
+  <el-form-item label="onFileRemove" label-width="150px">
+    <el-button type="info" icon="el-icon-edit" plain round @click="editEventHandler('onFileRemove', eventParams)">
+      {{i18nt('designer.setting.addEventHandler')}}</el-button>
+  </el-form-item>
+</template>
+
+<script>
+  import i18n from "@/utils/i18n"
+  import eventMixin from "@/components/form-designer/setting-panel/property-editor/event-handler/eventMixin"
+
+  export default {
+    name: "onFileRemove-editor",
+    mixins: [i18n, eventMixin],
+    props: {
+      designer: Object,
+      selectedWidget: Object,
+      optionModel: Object,
+    },
+    data() {
+      return {
+        eventParams: ['file', 'fileList'],
+      }
+    }
+  }
+</script>
+
+<style scoped>
+
+</style>

src/components/form-designer/setting-panel/propertyRegister.js

@@ -118,6 +118,7 @@ const EVENT_PROPERTIES = {
   'onBeforeUpload'    :            'onBeforeUpload-editor',
   'onUploadSuccess'   :            'onUploadSuccess-editor',
   'onUploadError'     :            'onUploadError-editor',
+  'onFileRemove'      :            'onFileRemove-editor',
   'onValidate'        :            'onValidate-editor',
 
   //容器