<template>
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<Dialog v-model="dialogVisible" title="人员选择" width="800">
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<el-row class="gap2" v-loading="formLoading">
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<el-col :span="6">
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<ContentWrap class="h-1/1">
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<el-tree
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ref="treeRef"
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:data="deptTree"
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:expand-on-click-node="false"
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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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</ContentWrap>
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</el-col>
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<el-col :span="17">
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<el-transfer
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v-model="selectedUserIdList"
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:titles="['未选', '已选']"
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filterable
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filter-placeholder="搜索成员"
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:data="transferUserList"
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:props="{ label: 'nickname', key: 'id' }"
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/>
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</el-col>
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</el-row>
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<template #footer>
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<el-button
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:disabled="formLoading || !selectedUserIdList?.length"
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type="primary"
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@click="submitForm"
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>
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确 定
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</el-button>
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<el-button @click="dialogVisible = false">取 消</el-button>
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</template>
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</Dialog>
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</template>
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<script lang="ts" setup>
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import { defaultProps, handleTree } from '@/utils/tree'
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import * as DeptApi from '@/api/system/dept'
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import * as UserApi from '@/api/system/user'
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defineOptions({ name: 'UserSelectForm' })
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const emit = defineEmits<{
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confirm: [id: any, userList: any[]]
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}>()
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const { t } = useI18n() // 国际
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const message = useMessage() // 消息弹窗
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const deptTree = ref<Tree[]>([]) // 部门树形结构化
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const deptList = ref<any[]>([]) // 保存扁平化的部门列表数据
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const userList = ref<UserApi.UserVO[]>([]) // 所有用户列表
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const filteredUserList = ref<UserApi.UserVO[]>([]) // 当前部门过滤后的用户列表
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const selectedUserIdList: any = ref([]) // 选中的用户列表
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const dialogVisible = ref(false) // 弹窗的是否展示
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const formLoading = ref(false) // 表单的加载中
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const activityId = ref()
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/** 计算属性：合并已选择的用户和当前部门过滤后的用户 */
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const transferUserList = computed(() => {
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// 1.1 获取所有已选择的用户
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const selectedUsers = userList.value.filter((user: any) =>
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selectedUserIdList.value.includes(user.id)
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)
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// 1.2 获取当前部门过滤后的未选择用户
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const filteredUnselectedUsers = filteredUserList.value.filter(
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(user: any) => !selectedUserIdList.value.includes(user.id)
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)
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// 2. 合并并去重
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return [...selectedUsers, ...filteredUnselectedUsers]
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})
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/** 打开弹窗 */
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const open = async (id: number, selectedList?: any[]) => {
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activityId.value = id
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resetForm()
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// 加载部门、用户列表
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const deptData = await DeptApi.getSimpleDeptList()
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deptList.value = deptData // 保存扁平结构的部门数据
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deptTree.value = handleTree(deptData) // 转换成树形结构
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userList.value = await UserApi.getSimpleUserList()
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// 初始状态下，过滤列表等于所有用户列表
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filteredUserList.value = [...userList.value]
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selectedUserIdList.value = selectedList?.map((item: any) => item.id) || []
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dialogVisible.value = true
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}
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/** 获取指定部门及其所有子部门的ID列表 */
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const getChildDeptIds = (deptId: number, deptList: any[]): number[] => {
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const ids = [deptId]
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const children = deptList.filter((dept) => dept.parentId === deptId)
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children.forEach((child) => {
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ids.push(...getChildDeptIds(child.id, deptList))
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})
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return ids
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}
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/** 获取部门过滤后的用户列表 */
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const filterUserList = async (deptId?: number) => {
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formLoading.value = true
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try {
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if (!deptId) {
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// 如果没有选择部门，显示所有用户
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filteredUserList.value = [...userList.value]
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return
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}
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// 直接使用已保存的部门列表数据进行过滤
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const deptIds = getChildDeptIds(deptId, deptList.value)
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// 过滤出这些部门下的用户
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filteredUserList.value = userList.value.filter((user) => deptIds.includes(user.deptId))
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} finally {
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formLoading.value = false
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}
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}
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/** 提交选择 */
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const submitForm = async () => {
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try {
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message.success(t('common.updateSuccess'))
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dialogVisible.value = false
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// 从所有用户列表中筛选出已选择的用户
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const emitUserList = userList.value.filter((user: any) =>
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selectedUserIdList.value.includes(user.id)
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)
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// 发送操作成功的事件
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emit('confirm', activityId.value, emitUserList)
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} finally {
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}
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}
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/** 重置表单 */
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const resetForm = () => {
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deptTree.value = []
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deptList.value = []
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userList.value = []
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filteredUserList.value = []
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selectedUserIdList.value = []
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}
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/** 处理部门被点击 */
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const handleNodeClick = (row: { [key: string]: any }) => {
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filterUserList(row.id)
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}
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defineExpose({ open }) // 提供 open 方法，用于打开弹窗
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</script>
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<style lang="scss" scoped>
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:deep() {
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.el-transfer {
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display: flex;
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}
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.el-transfer__buttons {
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display: flex !important;
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flex-direction: column-reverse;
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justify-content: center;
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gap: 20px;
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.el-transfer__button:nth-child(2) {
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margin: 0;
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}
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}
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}
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</style>
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