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497 lines
14 KiB
497 lines
14 KiB
import React from 'react';
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import jQuery from 'jquery';
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import Table from 'rc-table';
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import Dropdown from '../dropdown';
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import Checkbox from '../checkbox';
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import FilterMenu from './filterMenu';
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import Pagination from '../pagination';
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import objectAssign from 'object-assign';
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import equals from 'is-equal-shallow';
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function noop() {
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}
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function defaultResolve(data) {
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return data || [];
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}
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class DataSource {
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init(config) {
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this.config = config;
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this.url = config.url || '';
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this.resolve = config.resolve || defaultResolve;
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this.getParams = config.getParams || noop;
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this.getPagination = config.getPagination || noop;
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this.headers = config.headers || {};
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this.data = config.data || {};
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}
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constructor(config) {
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if (config) {
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this.init(config);
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}
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}
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clone(config) {
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if (config) {
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return new DataSource(objectAssign(config, this.config));
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} else {
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return this;
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}
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}
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}
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var AntTable = React.createClass({
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getInitialState() {
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return {
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// 减少状态
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selectedRowKeys: [],
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// only for remote
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data: [],
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filters: {},
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loading: !this.isLocalDataSource(),
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sortColumn: '',
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sortOrder: '',
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sorter: null,
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pagination: this.hasPagination() ? objectAssign({
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pageSize: 10
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}, this.props.pagination) : {}
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};
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},
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getDefaultProps() {
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return {
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prefixCls: 'ant-table',
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useFixedHeader: false,
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rowSelection: null,
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size: 'normal',
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bordered: false
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};
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},
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propTypes: {
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dataSource: React.PropTypes.instanceOf(DataSource)
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},
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componentWillReceiveProps(nextProps) {
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if (('pagination' in nextProps) && nextProps.pagination !== false) {
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this.setState({
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pagination: objectAssign({}, this.state.pagination, nextProps.pagination)
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});
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}
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if (!this.isLocalDataSource()) {
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if (!equals(nextProps, this.props)) {
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this.setState({
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selectedRowKeys: [],
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loading: true
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}, this.fetch);
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}
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}
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if (nextProps.columns !== this.props.columns) {
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this.setState({
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filters: {}
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});
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}
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},
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hasPagination(pagination) {
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if (pagination === undefined) {
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pagination = this.props.pagination;
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}
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return pagination !== false;
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},
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isLocalDataSource() {
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return Array.isArray(this.props.dataSource);
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},
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getRemoteDataSource() {
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return this.props.dataSource;
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},
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toggleSortOrder(order, column) {
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let sortColumn = this.state.sortColumn;
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let sortOrder = this.state.sortOrder;
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let sorter;
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// 只同时允许一列进行排序，否则会导致排序顺序的逻辑问题
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let isSortColumn = this.isSortColumn(column);
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if (!isSortColumn) { // 当前列未排序
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sortOrder = order;
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sortColumn = column;
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} else { // 当前列已排序
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if (sortOrder === order) { // 切换为未排序状态
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sortOrder = '';
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sortColumn = null;
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} else { // 切换为排序状态
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sortOrder = order;
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}
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}
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if (this.isLocalDataSource()) {
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sorter = function () {
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let result = column.sorter.apply(this, arguments);
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if (sortOrder === 'ascend') {
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return result;
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} else if (sortOrder === 'descend') {
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return -result;
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}
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};
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}
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this.fetch({
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sortOrder: sortOrder,
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sortColumn: sortColumn,
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sorter: sorter
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});
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},
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handleFilter(column, filters) {
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filters = objectAssign({}, this.state.filters, {
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[this.getColumnKey(column)]: filters
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});
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this.fetch({
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selectedRowKeys: [],
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filters: filters
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});
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},
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handleSelect(record, rowIndex, e) {
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let checked = e.target.checked;
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let selectedRowKeys = this.state.selectedRowKeys.concat();
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let key = this.getRecordKey(record, rowIndex);
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if (checked) {
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selectedRowKeys.push(this.getRecordKey(record, rowIndex));
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} else {
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selectedRowKeys = selectedRowKeys.filter((i) => {
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return key !== i;
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});
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}
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this.setState({
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selectedRowKeys: selectedRowKeys
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});
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if (this.props.rowSelection.onSelect) {
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let data = this.getCurrentPageData();
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let selectedRows = data.filter((row, i) => {
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return selectedRowKeys.indexOf(this.getRecordKey(row, i)) >= 0;
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});
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this.props.rowSelection.onSelect(record, checked, selectedRows);
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}
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},
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handleSelectAllRow(e) {
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let checked = e.target.checked;
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let data = this.getCurrentPageData();
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let selectedRowKeys = checked ? data.map((item, i) => {
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return this.getRecordKey(item, i);
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}) : [];
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this.setState({
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selectedRowKeys: selectedRowKeys
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});
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if (this.props.rowSelection.onSelectAll) {
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let selectedRows = data.filter((row, i) => {
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return selectedRowKeys.indexOf(this.getRecordKey(row, i)) >= 0;
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});
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this.props.rowSelection.onSelectAll(checked, selectedRows);
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}
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},
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handlePageChange(current) {
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let pagination = objectAssign({}, this.state.pagination);
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if (current) {
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pagination.current = current;
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} else {
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pagination.current = pagination.current || 1;
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}
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this.fetch({
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// 防止内存泄漏，只维持当页
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selectedRowKeys: [],
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pagination: pagination
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});
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},
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renderSelectionCheckBox(value, record, index) {
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let rowIndex = this.getRecordKey(record, index); // 从 1 开始
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let checked = this.state.selectedRowKeys.indexOf(rowIndex) >= 0;
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return <Checkbox checked={checked} onChange={this.handleSelect.bind(this, record, rowIndex)}/>;
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},
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getRecordKey(record, index) {
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return record.key || index;
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},
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renderRowSelection() {
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let columns = this.props.columns.concat();
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if (this.props.rowSelection) {
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let data = this.getCurrentPageData();
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let checked;
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if (!data.length) {
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checked = false;
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} else {
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checked = data.every((item, i) => {
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let key = this.getRecordKey(item, i);
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return this.state.selectedRowKeys.indexOf(key) >= 0;
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});
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}
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let checkboxAll = <Checkbox checked={checked} onChange={this.handleSelectAllRow}/>;
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let selectionColumn = {
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key: 'selection-column',
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title: checkboxAll,
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width: 60,
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render: this.renderSelectionCheckBox,
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className: 'ant-table-selection-column'
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};
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if (columns[0] &&
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columns[0].key === 'selection-column') {
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columns[0] = selectionColumn;
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} else {
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columns.unshift(selectionColumn);
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}
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}
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return columns;
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},
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getCurrentPageData() {
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return this.isLocalDataSource() ? this.getLocalDataPaging() : this.state.data;
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},
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getColumnKey(column, index) {
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return column.key || column.dataIndex || index;
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},
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isSortColumn(column) {
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if (!column || !this.state.sortColumn) {
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return false;
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}
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let colKey = this.getColumnKey(column);
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let isSortColumn = (this.getColumnKey(this.state.sortColumn) === colKey);
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return isSortColumn;
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},
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renderColumnsDropdown(columns) {
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return columns.map((column, i) => {
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column = objectAssign({}, column);
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let key = this.getColumnKey(column, i);
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let filterDropdown, menus, sortButton;
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if (column.filters && column.filters.length > 0) {
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let colFilters = this.state.filters[key] || [];
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menus = <FilterMenu column={column}
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selectedKeys={colFilters}
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confirmFilter={this.handleFilter}/>;
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let dropdownSelectedClass = '';
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if (colFilters.length > 0) {
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dropdownSelectedClass = 'ant-table-filter-selected';
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}
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filterDropdown = <Dropdown trigger="click"
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overlay={menus}>
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<i title="筛选" className={'anticon anticon-bars ' + dropdownSelectedClass}></i>
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</Dropdown>;
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}
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if (column.sorter) {
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let isSortColumn = this.isSortColumn(column);
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if (isSortColumn) {
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column.className = column.className || '';
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if (this.state.sortOrder) {
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column.className += ' ant-table-column-sort';
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} else {
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column.className = column.className.replace(' ant-table-column-sort', '');
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}
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}
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sortButton = <div className="ant-table-column-sorter">
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<span className={'ant-table-column-sorter-up ' +
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((isSortColumn && this.state.sortOrder === 'ascend') ? 'on' : 'off')}
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title="升序排序"
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onClick={this.toggleSortOrder.bind(this, 'ascend', column)}>
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<i className="anticon anticon-caret-up"></i>
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</span>
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<span className={'ant-table-column-sorter-down ' +
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((isSortColumn && this.state.sortOrder === 'descend') ? 'on' : 'off')}
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title="降序排序"
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onClick={this.toggleSortOrder.bind(this, 'descend', column)}>
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<i className="anticon anticon-caret-down"></i>
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</span>
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</div>;
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}
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column.title = [
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column.title,
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sortButton,
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filterDropdown
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];
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return column;
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});
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},
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renderPagination() {
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// 强制不需要分页
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if (!this.hasPagination()) {
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return null;
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}
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let classString = 'ant-table-pagination';
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if (this.props.size === 'small') {
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classString += ' mini';
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}
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let total;
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if (this.isLocalDataSource()) {
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total = this.getLocalData().length;
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}
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return <Pagination className={classString}
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onChange={this.handlePageChange}
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total={total}
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pageSize={10}
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{...this.state.pagination} />;
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},
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prepareParamsArguments(state) {
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// 准备筛选、排序、分页的参数
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let pagination;
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let filters = {};
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let sorter = {};
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pagination = state.pagination;
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this.props.columns.forEach((column) => {
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let colFilters = state.filters[this.getColumnKey(column)] || [];
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if (colFilters.length > 0) {
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filters[this.getColumnKey(column)] = colFilters;
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}
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});
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if (state.sortColumn &&
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state.sortOrder &&
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state.sortColumn.dataIndex) {
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sorter.field = state.sortColumn.dataIndex;
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sorter.order = state.sortOrder;
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}
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return [pagination, filters, sorter];
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},
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fetch(newState) {
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if (this.isLocalDataSource()) {
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if (newState) {
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this.setState(newState);
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}
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} else {
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let state = objectAssign({}, this.state, newState);
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if (newState || !this.state.loading) {
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this.setState(objectAssign({
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loading: true
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}, newState));
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}
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// remote 模式使用 this.dataSource
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let dataSource = this.getRemoteDataSource();
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let buildInParams = dataSource.getParams.apply(this, this.prepareParamsArguments(state)) || {};
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return jQuery.ajax({
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url: dataSource.url,
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data: objectAssign(buildInParams, dataSource.data),
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headers: dataSource.headers,
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dataType: 'json',
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success: (result) => {
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if (this.isMounted()) {
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let pagination = objectAssign(
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state.pagination,
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dataSource.getPagination.call(this, result)
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);
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this.setState({
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loading: false,
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data: dataSource.resolve.call(this, result),
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pagination: pagination
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});
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}
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},
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error: () => {
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this.setState({
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loading: false,
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data: []
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});
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}
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});
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}
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},
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findColumn(myKey) {
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return this.props.columns.filter((c) => {
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return this.getColumnKey(c) === myKey;
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})[0];
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},
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getLocalDataPaging() {
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let data = this.getLocalData();
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let current, pageSize;
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let state = this.state;
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// 如果没有分页的话，默认全部展示
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if (!this.hasPagination()) {
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pageSize = Number.MAX_VALUE;
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current = 1;
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} else {
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pageSize = state.pagination.pageSize;
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current = state.pagination.current;
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}
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// 分页
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// ---
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// 当数据量少于每页数量时，直接设置数据
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// 否则进行读取分页数据
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if (data.length > pageSize || pageSize === Number.MAX_VALUE) {
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data = data.filter((item, i) => {
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if (i >= (current - 1) * pageSize &&
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i < current * pageSize) {
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return item;
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}
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});
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}
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return data;
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},
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getLocalData() {
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let state = this.state;
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let data = this.props.dataSource;
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// 排序
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if (state.sortOrder && state.sorter) {
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data = data.sort(state.sorter);
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}
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// 筛选
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if (state.filters) {
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Object.keys(state.filters).forEach((columnKey) => {
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let col = this.findColumn(columnKey);
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let values = state.filters[columnKey] || [];
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if (values.length === 0) {
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return;
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}
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data = data.filter((record) => {
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return values.some((v)=> {
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return col.onFilter(v, record);
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});
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});
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});
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}
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return data;
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},
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componentDidMount() {
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if (!this.isLocalDataSource()) {
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this.fetch();
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}
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},
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render() {
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let data = this.getCurrentPageData();
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let columns = this.renderRowSelection();
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let classString = '';
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if (this.state.loading && this.isLocalDataSource()) {
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classString += ' ant-table-loading';
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}
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if (this.props.size === 'small') {
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classString += ' ant-table-small';
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}
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if (this.props.bordered) {
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classString += ' ant-table-bordered';
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}
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columns = this.renderColumnsDropdown(columns);
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return <div className="clearfix">
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<Table
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{...this.props}
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data={data || []}
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columns={columns}
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className={classString}
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/>
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{this.renderPagination()}
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</div>;
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}
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});
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AntTable.DataSource = DataSource;
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export default AntTable;
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