/* eslint-disable */
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require("script-loader!file-saver");
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import XLSX from "xlsx";
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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({
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s: {
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r: R,
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c: outRow.length
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},
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e: {
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r: R + rowspan - 1,
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c: outRow.length + colspan - 1
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}
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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 = {
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s: {
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c: 10000000,
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r: 10000000
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},
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e: {
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c: 0,
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r: 0
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}
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};
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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 = {
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v: data[R][C]
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};
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if (cell.v == null) continue;
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var cell_ref = XLSX.utils.encode_cell({
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c: C,
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r: R
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});
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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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} 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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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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var wb = new Workbook(),
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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, {
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bookType: "xlsx",
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bookSST: false,
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type: "binary"
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});
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saveAs(
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new Blob([s2ab(wbout)], {
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type: "application/octet-stream"
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}),
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"test.xlsx"
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);
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}
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export function export_json_to_excel({ header, data, filename, autoWidth = true, bookType = "xlsx" } = {}) {
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/* original data */
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filename = filename || "excel-list";
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data = [...data];
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data.unshift(header);
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var ws_name = "SheetJS";
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var wb = new Workbook(),
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ws = sheet_from_array_of_arrays(data);
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if (autoWidth) {
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/* 设置worksheet每列的最大宽度 */
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const colWidth = data.map(row =>
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row.map(val => {
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/* 先判断是否为null/undefined */
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if (val == null) {
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return {
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wch: 10
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};
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} else if (val.toString().charCodeAt(0) > 255) {
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/* 再判断是否为中文 */
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return {
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wch: val.toString().length * 2
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};
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} else {
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return {
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wch: val.toString().length
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};
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}
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})
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);
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/* 以第一行为初始值 */
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let result = colWidth[0];
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for (let i = 1; i < colWidth.length; i++) {
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for (let j = 0; j < colWidth[i].length; j++) {
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if (result[j]["wch"] < colWidth[i][j]["wch"]) {
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result[j]["wch"] = colWidth[i][j]["wch"];
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}
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}
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}
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ws["!cols"] = result;
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}
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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, {
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bookType: bookType,
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bookSST: false,
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type: "binary"
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});
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saveAs(
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new Blob([s2ab(wbout)], {
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type: "application/octet-stream"
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}),
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`${filename}.${bookType}`
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);
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}
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export function export_json_to_excelHead({ header, headerTop, data, filename, autoWidth = true, bookType = "xlsx" } = {}) {
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/* original data */
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filename = filename || "excel-list";
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data = [...data];
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data.unshift(header);
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data.unshift(headerTop);
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var ws_name = "SheetJS";
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var wb = new Workbook(),
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ws = sheet_from_array_of_arraysHead(data);
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debugger;
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if (autoWidth) {
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/* 设置worksheet每列的最大宽度 */
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const colWidth = data.map(row =>
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row.map(val => {
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/* 先判断是否为null/undefined */
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if (val == null) {
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return {
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wch: 10
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};
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} else if (val.toString().charCodeAt(0) > 255) {
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/* 再判断是否为中文 */
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return {
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wch: val.toString().length * 2
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};
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} else {
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return {
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wch: val.toString().length
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};
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}
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})
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);
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/* 以第一行为初始值 */
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debugger;
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let result = colWidth[0];
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for (let i = 1; i < colWidth.length; i++) {
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for (let j = 0; j < colWidth[i].length; j++) {
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if (result[j]["wch"] < colWidth[i][j]["wch"]) {
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result[j]["wch"] = colWidth[i][j]["wch"];
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}
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}
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}
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ws["!cols"] = result;
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}
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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, {
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bookType: bookType,
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bookSST: false,
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type: "binary"
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});
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saveAs(
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new Blob([s2ab(wbout)], {
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type: "application/octet-stream"
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}),
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`${filename}.${bookType}`
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);
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}
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function sheet_from_array_of_arraysHead(data, opts) {
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var ws = {};
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var range = {
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s: {
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c: 10000000,
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r: 10000000
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},
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e: {
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c: 0,
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r: 0
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}
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};
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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 = {
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v: data[R][C]
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};
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if (cell.v == null) continue;
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var cell_ref = XLSX.utils.encode_cell({
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c: C,
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r: R
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});
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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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} 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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