Panel 支持更多的 className 配置

src/renderers/Form/index.tsx

@@ -1346,6 +1346,7 @@ export default class Form extends React.Component<FormProps, object> {
       panelClassName,
       headerClassName,
       footerClassName,
+      footerWrapClassName,
       actionsClassName,
       bodyClassName,
       classnames: cx,
@@ -1378,6 +1379,7 @@ export default class Form extends React.Component<FormProps, object> {
           headerClassName,
           footer,
           footerClassName,
+          footerWrapClassName,
           actionsClassName,
           bodyClassName,
           affixFooter

src/renderers/Panel.tsx

@@ -52,6 +52,11 @@ export interface PanelSchema extends BaseSchema {
    */
   footerClassName?: SchemaClassName;
 
+  /**
+   * footer 和 actions 外层 div 类名。
+   */
+  footerWrapClassName?: SchemaClassName;
+
   /**
    * 头部内容, 和 title 二选一。
    */
@@ -80,6 +85,7 @@ export default class Panel extends React.Component<PanelProps> {
     'header',
     'headerClassName',
     'footerClassName',
+    'footerWrapClassName',
     'actionsClassName',
     'bodyClassName'
   ];
@@ -210,6 +216,7 @@ export default class Panel extends React.Component<PanelProps> {
       headerClassName,
       actionsClassName,
       footerClassName,
+      footerWrapClassName,
       children,
       title,
       footer,
@@ -244,7 +251,12 @@ export default class Panel extends React.Component<PanelProps> {
       );
 
     let footerDom = footerDoms.length ? (
-      <div ref={this.footerDom}>{footerDoms}</div>
+      <div
+        className={cx('Panel-footerWrap', footerWrapClassName)}
+        ref={this.footerDom}
+      >
+        {footerDoms}
+      </div>
     ) : null;
 
     return (
@@ -268,7 +280,13 @@ export default class Panel extends React.Component<PanelProps> {
         {footerDom}
 
         {affixFooter && footerDoms.length ? (
-          <div ref={this.affixDom} className={cx('Panel-fixedBottom')}>
+          <div
+            ref={this.affixDom}
+            className={cx(
+              'Panel-fixedBottom Panel-footerWrap',
+              footerWrapClassName
+            )}
+          >
             {footerDoms}
           </div>
         ) : null}