[update] 树形弹框数据选的多了会卡的优化

src/components/selection/TreeDataSelectModal.vue

@@ -26,7 +26,7 @@
           @load="onLoad"
           :loadData="loadData"
           :expandedKeys="expandedKeys"
-          :checkedKeys="checkedKeys"
+          :checkedKeys.sync="checkedKeys"
           :loadedKeys="loadedKeys"
           :selectedKeys.sync="selectedKeys">
 
@@ -235,7 +235,7 @@ export default {
               // 有子节点获取子节点数据
               childrenList = info.node.dataRef[this.replaceFields.children].map(item => item[this.replaceFields.key])
             }
-            this.checkedKeys = [...this.checkedKeys, ...checkedKeys.checked, ...childrenList]
+            this.checkedKeys = [...new Set([...this.checkedKeys, ...checkedKeys.checked, ...childrenList])]
           } else {
             // 是取消选中了，把当前和子节点都取消选中
             let currAndChildNode = []