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import React, { useState, useMemo, useCallback, useEffect } from 'react';
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import { Modal, Tag, Select, Table, Input, type TableProps, type TableColumnType } from 'antd';
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import type ISysUser from '@/domain/iSysUser';
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import { List } from '@/api/common/table';
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import { useTranslation } from 'react-i18next';
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/**
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* 用户选择器组件属性
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*/
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export interface UserSelectorProps {
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value?: number | number[] | ISysUser | ISysUser[] | null;
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onChange?: (value: number | number[] | null) => void;
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mode?: 'single' | 'multiple';
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placeholder?: string;
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disabled?: boolean;
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readonly?: boolean;
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showDept?: boolean;
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maxTagCount?: number;
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}
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/**
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* 用户选择器组件
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*/
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const UserSelector: React.FC<UserSelectorProps> = ({
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value,
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onChange,
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mode = 'single',
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placeholder,
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disabled = false,
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readonly = false,
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showDept = true,
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maxTagCount = 2,
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}) => {
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const { t } = useTranslation();
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const [open, setOpen] = useState(false);
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const [loading, setLoading] = useState(false);
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const [selectedUsers, setSelectedUsers] = useState<ISysUser[]>([]);
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const [selectedRowKeys, setSelectedRowKeys] = useState<React.Key[]>([]);
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// 表格加载状态
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const [tableLoading, setTableLoading] = useState(false);
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// 表格数据
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const [dataSource, setDataSource] = useState<ISysUser[]>([]);
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// 分页参数
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const [pagination, setPagination] = useState({ current: 1, pageSize: 10, total: 0 });
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/** 表格查询参数 */
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const [tableParams, setParams] = useState<{ keywordSearch: string }>();
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// 从 value 加载用户信息
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useEffect(() => {
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if (!value) {
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setSelectedUsers([]);
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setSelectedRowKeys([]);
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return;
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}
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const valueArray = Array.isArray(value) ? value : [value];
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// 如果是用户对象，直接使用
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if (typeof valueArray[0] === 'object') {
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setSelectedUsers(valueArray as ISysUser[]);
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setSelectedRowKeys(valueArray.map((u: any) => u.id));
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return;
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}
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// 从 API 加载用户信息
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setLoading(true);
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Promise.all(valueArray.map(id => List<ISysUser>('/sys-user/list', { id: id as number })))
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.then(results => {
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const users = results.map(res => res.data.data?.data?.[0]).filter(Boolean) as ISysUser[];
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setSelectedUsers(users);
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setSelectedRowKeys(users.map(u => u.id!));
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})
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.catch(error => console.error('Failed to load users:', error))
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.finally(() => setLoading(false));
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}, [value]);
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// 表格列配置
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const columns: TableColumnType<ISysUser>[] = useMemo(() => [
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{
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title: t('system.user.id'),
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dataIndex: 'id',
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width: 80,
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align: 'center',
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},
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{
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title: t('system.user.username'),
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dataIndex: 'username',
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width: 120,
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align: 'center',
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},
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{
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title: t('system.user.nickname'),
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dataIndex: 'nickname',
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width: 120,
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align: 'center',
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},
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{
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title: t('system.user.mobile'),
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dataIndex: 'mobile',
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width: 130,
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align: 'center',
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},
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...(showDept ? [{
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title: t('system.user.dept'),
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dataIndex: 'dept_name',
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width: 120,
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align: 'center' as const,
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render: (text: any) => text ? <Tag color="volcano">{text}</Tag> : '-',
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}] : []),
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{
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title: t('system.user.status'),
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dataIndex: 'status',
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width: 100,
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align: 'center',
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render: (value: number) => {
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return value === 1
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? <Tag color="success">{t('system.user.status.1')}</Tag>
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: <Tag color="error">{t('system.user.status.0')}</Tag>;
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},
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},
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], [t, showDept]);
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// 处理选择确认
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const handleSelect = useCallback(() => {
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onChange?.(mode === 'single' ? (selectedUsers[0]?.id || null) : selectedUsers.map(u => u.id!));
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setOpen(false);
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}, [mode, selectedUsers, onChange]);
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// 处理行选择
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const handleRowSelectionChange = useCallback((keys: React.Key[], rows: ISysUser[]) => {
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if (mode === 'single' && keys.length > 1) {
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const lastKey = keys[keys.length - 1];
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const lastRow = rows.find(r => r.id === lastKey)!;
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setSelectedRowKeys([lastKey]);
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setSelectedUsers([lastRow]);
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} else {
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setSelectedRowKeys(keys);
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setSelectedUsers(rows);
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}
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}, [mode]);
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// 获取表格数据
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const fetchTableData = useCallback(async (page = 1, pageSize = 10, keywordSearch?: string) => {
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setTableLoading(true);
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try {
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const api = '/system-user/list';
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const response = await List<ISysUser>(api, { page, pageSize, keywordSearch });
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setDataSource(response.data.data?.data || []);
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setPagination(prev => ({
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...prev,
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current: page,
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pageSize,
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total: response.data.data?.total || 0,
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}));
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} catch (error) {
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console.error('Failed to fetch users:', error);
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setDataSource([]);
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} finally {
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setTableLoading(false);
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}
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}, []);
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// 打开弹窗时加载数据
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useEffect(() => {
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if (open) {
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fetchTableData(1, pagination.pageSize, tableParams?.keywordSearch);
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}
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}, [open]);
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// 表格配置
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const tableProps: TableProps<ISysUser> = useMemo(() => ({
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columns,
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rowKey: 'id',
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dataSource,
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loading: tableLoading,
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rowSelection: {
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type: mode === 'single' ? 'radio' : 'checkbox',
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selectedRowKeys,
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onChange: handleRowSelectionChange,
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preserveSelectedRowKeys: true,
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},
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pagination: {
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...pagination,
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showSizeChanger: true,
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showQuickJumper: true,
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onChange: (page, pageSize) => {
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fetchTableData(page, pageSize, tableParams?.keywordSearch);
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},
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},
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bordered: true,
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size: 'small',
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scroll: { x: 800 },
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}), [columns, dataSource, tableLoading, mode, selectedRowKeys, handleRowSelectionChange, pagination, tableParams, fetchTableData]);
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// 处理 Select 的 onChange
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const handleSelectChange = useCallback((selectedValue: number | number[]) => {
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if (mode === 'single') {
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const user = selectedUsers.find(u => u.id === selectedValue);
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if (!user && selectedValue) {
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// 如果选中的用户不在列表中，需要从 API 加载
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List<ISysUser>('/sys-user/list', { id: selectedValue as number })
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.then(res => {
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const loadedUser = res.data.data?.data?.[0];
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if (loadedUser) {
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setSelectedUsers([loadedUser]);
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setSelectedRowKeys([loadedUser.id!]);
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}
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})
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.catch(error => console.error('Failed to load user:', error));
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}
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onChange?.(selectedValue as number || null);
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} else {
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onChange?.(selectedValue as number[]);
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}
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}, [mode, selectedUsers, onChange]);
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// 生成 Select 的 options
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const selectOptions = useMemo(() => {
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return selectedUsers.map(user => ({
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label: user.nickname || user.username,
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value: user.id!,
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}));
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}, [selectedUsers]);
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return (
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<>
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<Select
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mode={mode === 'multiple' ? 'multiple' : undefined}
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value={mode === 'single'
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? (selectedUsers[0]?.id || undefined)
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: selectedUsers.map(u => u.id!)
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}
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onChange={handleSelectChange}
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placeholder={placeholder || t('xin.form.userSelector.placeholder')}
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disabled={disabled}
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loading={loading}
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maxTagCount={maxTagCount}
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open={false}
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onClick={() => !disabled && !readonly && setOpen(true)}
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options={selectOptions}
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style={{ width: '100%' }}
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allowClear
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onClear={() => {
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setSelectedUsers([]);
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setSelectedRowKeys([]);
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onChange?.(mode === 'single' ? null : []);
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}}
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/>
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<Modal
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title={t('xin.form.userSelector.modal.title')}
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open={open}
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onCancel={() => setOpen(false)}
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onOk={handleSelect}
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width={1000}
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okText={t('xin.form.userSelector.modal.okText')}
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cancelText={t('xin.form.userSelector.modal.cancelText')}
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>
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<div style={{ marginBottom: 16 }}>
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<Input.Search
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placeholder={t("system.user.searchPlaceholder")}
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style={{ width: 304 }}
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onSearch={(value: string) => {
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setParams({ keywordSearch: value });
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fetchTableData(1, pagination.pageSize, value);
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}}
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allowClear
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/>
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</div>
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<Table {...tableProps} />
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</Modal>
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</>
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);
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};
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export default UserSelector;
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