142 lines
4.4 KiB
JavaScript
142 lines
4.4 KiB
JavaScript
/* eslint-disable */
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require('script-loader!file-saver');
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require('script-loader!vendor/Blob');
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require('script-loader!xlsx/dist/xlsx.core.min');
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function generateArray(table) {
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var out = [];
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var rows = table.querySelectorAll('tr');
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var ranges = [];
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for (var R = 0; R < rows.length; ++R) {
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var outRow = [];
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var row = rows[R];
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var columns = row.querySelectorAll('td');
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for (var C = 0; C < columns.length; ++C) {
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var cell = columns[C];
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var colspan = cell.getAttribute('colspan');
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var rowspan = cell.getAttribute('rowspan');
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var cellValue = cell.innerText;
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if (cellValue !== "" && cellValue == +cellValue) cellValue = +cellValue;
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//Skip ranges
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ranges.forEach(function (range) {
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if (R >= range.s.r && R <= range.e.r && outRow.length >= range.s.c && outRow.length <= range.e.c) {
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for (var i = 0; i <= range.e.c - range.s.c; ++i) outRow.push(null);
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}
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});
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//Handle Row Span
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if (rowspan || colspan) {
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rowspan = rowspan || 1;
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colspan = colspan || 1;
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ranges.push({s: {r: R, c: outRow.length}, e: {r: R + rowspan - 1, c: outRow.length + colspan - 1}});
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}
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;
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//Handle Value
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outRow.push(cellValue !== "" ? cellValue : null);
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//Handle Colspan
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if (colspan) for (var k = 0; k < colspan - 1; ++k) outRow.push(null);
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}
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out.push(outRow);
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}
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return [out, ranges];
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};
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function datenum(v, date1904) {
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if (date1904) v += 1462;
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var epoch = Date.parse(v);
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return (epoch - new Date(Date.UTC(1899, 11, 30))) / (24 * 60 * 60 * 1000);
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}
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function sheet_from_array_of_arrays(data, opts) {
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var ws = {};
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var range = {s: {c: 10000000, r: 10000000}, e: {c: 0, r: 0}};
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for (var R = 0; R != data.length; ++R) {
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for (var C = 0; C != data[R].length; ++C) {
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if (range.s.r > R) range.s.r = R;
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if (range.s.c > C) range.s.c = C;
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if (range.e.r < R) range.e.r = R;
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if (range.e.c < C) range.e.c = C;
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var cell = {v: data[R][C]};
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if (cell.v == null) continue;
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var cell_ref = XLSX.utils.encode_cell({c: C, r: R});
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if (typeof cell.v === 'number') cell.t = 'n';
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else if (typeof cell.v === 'boolean') cell.t = 'b';
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else if (cell.v instanceof Date) {
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cell.t = 'n';
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cell.z = XLSX.SSF._table[14];
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cell.v = datenum(cell.v);
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}
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else cell.t = 's';
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ws[cell_ref] = cell;
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}
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}
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if (range.s.c < 10000000) ws['!ref'] = XLSX.utils.encode_range(range);
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return ws;
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}
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function Workbook() {
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if (!(this instanceof Workbook)) return new Workbook();
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this.SheetNames = [];
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this.Sheets = {};
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}
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function s2ab(s) {
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var buf = new ArrayBuffer(s.length);
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var view = new Uint8Array(buf);
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for (var i = 0; i != s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF;
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return buf;
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}
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export function export_table_to_excel(id) {
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var theTable = document.getElementById(id);
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console.log('a')
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var oo = generateArray(theTable);
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var ranges = oo[1];
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/* original data */
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var data = oo[0];
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var ws_name = "SheetJS";
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console.log(data);
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var wb = new Workbook(), ws = sheet_from_array_of_arrays(data);
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/* add ranges to worksheet */
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// ws['!cols'] = ['apple', 'banan'];
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ws['!merges'] = ranges;
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/* add worksheet to workbook */
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wb.SheetNames.push(ws_name);
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wb.Sheets[ws_name] = ws;
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var wbout = XLSX.write(wb, {bookType: 'xlsx', bookSST: false, type: 'binary'});
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saveAs(new Blob([s2ab(wbout)], {type: "application/octet-stream"}), "test.xlsx")
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}
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function formatJson(jsonData) {
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console.log(jsonData)
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}
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export function export_json_to_excel(th, jsonData, defaultTitle) {
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/* original data */
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var data = jsonData;
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data.unshift(th);
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var ws_name = "SheetJS";
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var wb = new Workbook(), ws = sheet_from_array_of_arrays(data);
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/* add worksheet to workbook */
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wb.SheetNames.push(ws_name);
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wb.Sheets[ws_name] = ws;
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var wbout = XLSX.write(wb, {bookType: 'xlsx', bookSST: false, type: 'binary'});
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var title = defaultTitle || '列表'
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saveAs(new Blob([s2ab(wbout)], {type: "application/octet-stream"}), title + ".xlsx")
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}
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