模态框增加 显示标题栏的关闭按钮 的配置

packages/modal/src/Modal.vue

@@ -17,6 +17,7 @@
             <!--Header-->
             <div class="modal-header">
               <a
+                v-if="showTopRightCloseButton"
                 type="button"
                 class="close"
                 @click="cancel"
@@ -110,6 +111,11 @@ export default {
       type: Boolean,
       default: true,
     },
+    // 显示标题栏的关闭按钮
+    showTopRightCloseButton: {
+      type: Boolean,
+      default: true,
+    },
   },
 
   emits: ['ok', 'cancel', 'close', 'update:show'],