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Former-commit-id: 408058fab164d62f8a60dcb3abbac19a0464dec1 Former-commit-id: ec41a7db6766d29a89679ed3769fad5ead12058a Former-commit-id: 0f4d0fbaa32e40973b79ad12a1a90c3035106a68
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62
src/utils/csv.js
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62
src/utils/csv.js
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/*
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inspired by https://www.npmjs.com/package/react-csv-downloader
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now removed from Github
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inspired by https://github.com/iview/iview
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*/
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/* eslint-disable */
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const newLine = '\r\n';
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const appendLine = (content, row, { separator, quoted }) => {
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const line = row.map(data => {
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if (!quoted) return data;
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// quote data
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data = typeof data === 'string' ? data.replace(/"/g, '"') : data;
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return `"${data}"`;
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});
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content.push(line.join(separator));
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};
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const defaults = {
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separator: ',',
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quoted: false
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};
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export default function csv(columns, datas, options, noHeader = false) {
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options = Object.assign({}, defaults, options);
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let columnOrder;
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const content = [];
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const column = [];
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if (columns) {
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columnOrder = columns.map(v => {
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if (typeof v === 'string') return v;
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if (!noHeader) {
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column.push(typeof v.title !== 'undefined' ? v.title : v.key);
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}
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return v.key;
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});
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if (column.length > 0) appendLine(content, column, options);
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} else {
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columnOrder = [];
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datas.forEach(v => {
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if (!Array.isArray(v)) {
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columnOrder = columnOrder.concat(Object.keys(v));
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}
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});
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if (columnOrder.length > 0) {
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columnOrder = columnOrder.filter((value, index, self) => self.indexOf(value) === index);
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if (!noHeader) appendLine(content, columnOrder, options);
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}
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}
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if (Array.isArray(datas)) {
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datas.forEach(row => {
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if (!Array.isArray(row)) {
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row = columnOrder.map(k => (typeof row[k] !== 'undefined' ? row[k] : ''));
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}
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appendLine(content, row, options);
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});
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}
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return content.join(newLine);
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}
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82
src/utils/export-csv.js
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82
src/utils/export-csv.js
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/*
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https://github.com/iview/iview
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*/
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/* eslint-disable */
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function has (browser) {
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const ua = navigator.userAgent;
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if (browser === 'ie') {
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const isIE = ua.indexOf('compatible') > -1 && ua.indexOf('MSIE') > -1;
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if (isIE) {
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const reIE = new RegExp('MSIE (\\d+\\.\\d+);');
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reIE.test(ua);
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return parseFloat(RegExp['$1']);
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} else {
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return false;
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}
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} else {
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return ua.indexOf(browser) > -1;
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}
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}
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const csv = {
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_isIE11 () {
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let iev = 0;
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const ieold = (/MSIE (\d+\.\d+);/.test(navigator.userAgent));
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const trident = !!navigator.userAgent.match(/Trident\/7.0/);
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const rv = navigator.userAgent.indexOf('rv:11.0');
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if (ieold) {
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iev = Number(RegExp.$1);
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}
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if (navigator.appVersion.indexOf('MSIE 10') !== -1) {
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iev = 10;
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}
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if (trident && rv !== -1) {
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iev = 11;
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}
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return iev === 11;
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},
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_isEdge () {
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return /Edge/.test(navigator.userAgent);
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},
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_getDownloadUrl (text) {
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const BOM = '\uFEFF';
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// Add BOM to text for open in excel correctly
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if (window.Blob && window.URL && window.URL.createObjectURL) {
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const csvData = new Blob([BOM + text], { type: 'text/csv' });
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return URL.createObjectURL(csvData);
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} else {
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return 'data:attachment/csv;charset=utf-8,' + BOM + encodeURIComponent(text);
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}
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},
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download (filename, text) {
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if (has('ie') && has('ie') < 10) {
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// has module unable identify ie11 and Edge
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const oWin = window.top.open('about:blank', '_blank');
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oWin.document.charset = 'utf-8';
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oWin.document.write(text);
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oWin.document.close();
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oWin.document.execCommand('SaveAs', filename);
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oWin.close();
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} else if (has('ie') === 10 || this._isIE11() || this._isEdge()) {
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const BOM = '\uFEFF';
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const csvData = new Blob([BOM + text], { type: 'text/csv' });
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navigator.msSaveBlob(csvData, filename);
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} else {
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const link = document.createElement('a');
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link.download = filename;
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link.href = this._getDownloadUrl(text);
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document.body.appendChild(link);
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link.click();
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document.body.removeChild(link);
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}
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}
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};
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export default csv;
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