<el-input v-model="filterText" placeholder="" style="width: 48%"/><el-button type="primary" @click="handleSearch" class="ml-2">查找</el-button><el-radio-group v-model="form.choice" @change="handleCheckAll"><el-radio label="all" class="ml-2">全选</el-radio><el-radio label="invert">反选</el-radio></el-radio-group><el-treeref="treeRef"class="filter-tree":data="treeData":props="defaultProps"show-checkboxnode-key="id":filter-node-method="filterNode"><template #default="{ node, data }"><div style="display: flex;"><span style="margin-right: 8px">{{ node.label }}</span><span>
<!--            <a @click="append(data)"> Append </a>--><!--            <el-link  @click="remove(node, data)"><el-icon><Delete /></el-icon></el-link>--></span><!--          <IconifyIconOffline :icon="Del" class="relink-btn-icon" />--></div></template></el-tree>

const filterText = ref("");const treeRef = ref<InstanceType<typeof ElTree>>();
interface Tree {id: numberlabel: stringchildren?: Tree[]checked?: boolean;
}const defaultProps = {children: "children",label: "label"
};
const filterNode = (value: string, treeData: Tree) => {if (!value) return true;return treeData.label.includes(value);
};
const handleSearch = () => {treeRef.value!.filter(filterText.value);
}
const getAllNodeKeys = (nodes: Tree[], keys: number[] = []) => {nodes.forEach((node) => {keys.push(node.id);if (node.children) {getAllNodeKeys(node.children, keys);}});return keys;
};
const handleCheckAll = (value: string) => {if (value === 'all') {// for (let i = 0; i < treeData.value.length; i++) {// if (treeRef.value.getNode(treeData.value[i]).disabled == false) {//  treeRef.value.setChecked(treeData.value[i].id, true, true);//}//}const allKeys = getAllNodeKeys(treeData.value);treeRef.value!.setCheckedKeys(allKeys, false)} else {//treeRef.value.setCheckedKeys([])const allKeys = getAllNodeKeys(treeData.value);// 获取所有节点的 keyconst checkedKeys = treeRef.value?.getCheckedKeys() || [];// 获取当前选中的节点const newCheckedKeys = allKeys.filter((key) => !checkedKeys.includes(key)); // 新的选中节点为未选中的节点treeRef.value!.setCheckedKeys(newCheckedKeys)}
}