109 lines
2.8 KiB
Vue
109 lines
2.8 KiB
Vue
<!--
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部门树选择组件（通用复用）
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功能：搜索输入框 + 部门树，支持点击同一节点取消选中
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Props:
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filterPlaceholder — 搜索输入框占位文字（默认 '请输入部门名称'）
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Events:
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node-click(deptId: number | undefined) — 点击节点后触发，取消选中时传 undefined
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Expose:
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reset() — 清空选中状态（供外部重置按钮调用）
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-->
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<template>
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<div class="h-full">
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<el-input v-model="filterText" class="p-[15px]" clearable :placeholder="filterPlaceholder">
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<template #prefix>
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<Icon icon="ep:search" />
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</template>
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</el-input>
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<el-scrollbar class="!h-[calc(100%-32px-30px)]">
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<el-tree
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ref="treeRef"
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:data="deptList"
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:expand-on-click-node="false"
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:filter-node-method="filterNode"
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:props="defaultProps"
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default-expand-all
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highlight-current
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node-key="id"
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@node-click="handleNodeClick"
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/>
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</el-scrollbar>
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</div>
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</template>
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<script setup lang="ts">
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import { ElTree } from 'element-plus'
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import * as DeptApi from '@/api/system/dept'
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import { defaultProps, handleTree } from '@/utils/tree'
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defineOptions({ name: 'DeptTreeSelect' })
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withDefaults(
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defineProps<{
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filterPlaceholder?: string // 搜索输入框占位文字
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}>(),
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{
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filterPlaceholder: '请输入部门名称'
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}
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)
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const emit = defineEmits<{
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'node-click': [deptId: number | undefined]
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}>()
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const filterText = ref('') // 过滤关键字
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const deptList = ref<Tree[]>([]) // 部门树数据
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const treeRef = ref<InstanceType<typeof ElTree>>() // 树 Ref
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let currentNodeId: number | null = null // 当前选中的节点 ID
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/** 加载部门树 */
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const loadTree = async () => {
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const res = await DeptApi.getSimpleDeptList()
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deptList.value = handleTree(res)
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}
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/** 基于名字过滤 */
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const filterNode = (name: string, data: Tree) => {
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if (!name) return true
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return data.name.includes(name)
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}
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/** 监听过滤关键字 */
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watch(filterText, (val) => {
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treeRef.value?.filter(val)
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})
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/** 处理节点点击：支持点击同一节点取消选中 */
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const handleNodeClick = (row: { [key: string]: any }) => {
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if (currentNodeId === row.id) {
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// 再次点击同一节点 → 取消选中
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treeRef.value?.setCurrentKey(undefined)
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currentNodeId = null
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emit('node-click', undefined)
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} else {
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// 选中新节点
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currentNodeId = row.id
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emit('node-click', row.id)
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}
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}
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/** 清空选中状态（供外部重置按钮调用） */
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const reset = () => {
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currentNodeId = null
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filterText.value = ''
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treeRef.value?.setCurrentKey(undefined)
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}
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const setCurrent = (deptId: number) => {
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treeRef.value?.setCurrentKey(deptId)
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}
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defineExpose({ reset, setCurrent })
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/** 初始化 */
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onMounted(async () => {
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await loadTree()
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})
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</script>
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