140 lines
4.4 KiB
JavaScript
140 lines
4.4 KiB
JavaScript
|
|
/* eslint-disable */
|
|
require('script-loader!file-saver'); //保存文件用
|
|
require('./Blob.js'); //转二进制用
|
|
require('script-loader!xlsx/dist/xlsx.core.min'); //xlsx核心
|
|
function generateArray(table) {
|
|
var out = [];
|
|
var rows = table.querySelectorAll('tr');
|
|
var ranges = [];
|
|
for (var R = 0; R < rows.length; ++R) {
|
|
var outRow = [];
|
|
var row = rows[R];
|
|
var columns = row.querySelectorAll('td');
|
|
for (var C = 0; C < columns.length; ++C) {
|
|
var cell = columns[C];
|
|
var colspan = cell.getAttribute('colspan');
|
|
var rowspan = cell.getAttribute('rowspan');
|
|
var cellValue = cell.innerText;
|
|
if (cellValue !== "" && cellValue == +cellValue) cellValue = +cellValue;
|
|
|
|
//Skip ranges
|
|
ranges.forEach(function (range) {
|
|
if (R >= range.s.r && R <= range.e.r && outRow.length >= range.s.c && outRow.length <= range.e.c) {
|
|
for (var i = 0; i <= range.e.c - range.s.c; ++i) outRow.push(null);
|
|
}
|
|
});
|
|
|
|
//Handle Row Span
|
|
if (rowspan || colspan) {
|
|
rowspan = rowspan || 1;
|
|
colspan = colspan || 1;
|
|
ranges.push({ s: { r: R, c: outRow.length }, e: { r: R + rowspan - 1, c: outRow.length + colspan - 1 } });
|
|
}
|
|
;
|
|
|
|
//Handle Value
|
|
outRow.push(cellValue !== "" ? cellValue : null);
|
|
|
|
//Handle Colspan
|
|
if (colspan) for (var k = 0; k < colspan - 1; ++k) outRow.push(null);
|
|
}
|
|
out.push(outRow);
|
|
}
|
|
return [out, ranges];
|
|
};
|
|
|
|
function datenum(v, date1904) {
|
|
if (date1904) v += 1462;
|
|
var epoch = Date.parse(v);
|
|
return (epoch - new Date(Date.UTC(1899, 11, 30))) / (24 * 60 * 60 * 1000);
|
|
}
|
|
|
|
function sheet_from_array_of_arrays(data, opts) {
|
|
var ws = {};
|
|
var range = { s: { c: 10000000, r: 10000000 }, e: { c: 0, r: 0 } };
|
|
for (var R = 0; R != data.length; ++R) {
|
|
for (var C = 0; C != data[R].length; ++C) {
|
|
if (range.s.r > R) range.s.r = R;
|
|
if (range.s.c > C) range.s.c = C;
|
|
if (range.e.r < R) range.e.r = R;
|
|
if (range.e.c < C) range.e.c = C;
|
|
var cell = { v: data[R][C] };
|
|
if (cell.v == null) continue;
|
|
var cell_ref = XLSX.utils.encode_cell({ c: C, r: R });
|
|
|
|
if (typeof cell.v === 'number') cell.t = 'n';
|
|
else if (typeof cell.v === 'boolean') cell.t = 'b';
|
|
else if (cell.v instanceof Date) {
|
|
cell.t = 'n';
|
|
cell.z = XLSX.SSF._table[14];
|
|
cell.v = datenum(cell.v);
|
|
}
|
|
else cell.t = 's';
|
|
|
|
ws[cell_ref] = cell;
|
|
}
|
|
}
|
|
if (range.s.c < 10000000) ws['!ref'] = XLSX.utils.encode_range(range);
|
|
return ws;
|
|
}
|
|
|
|
function Workbook() {
|
|
if (!(this instanceof Workbook)) return new Workbook();
|
|
this.SheetNames = [];
|
|
this.Sheets = {};
|
|
}
|
|
|
|
function s2ab(s) {
|
|
var buf = new ArrayBuffer(s.length);
|
|
var view = new Uint8Array(buf);
|
|
for (var i = 0; i != s.length; ++i) view[i] = s.charCodeAt(i) & 0xFF;
|
|
return buf;
|
|
}
|
|
|
|
export function export_table_to_excel(id) {
|
|
var theTable = document.getElementById(id);
|
|
var oo = generateArray(theTable);
|
|
var ranges = oo[1];
|
|
|
|
/* original data */
|
|
var data = oo[0];
|
|
var ws_name = "SheetJS";
|
|
|
|
var wb = new Workbook(), ws = sheet_from_array_of_arrays(data);
|
|
|
|
/* add ranges to worksheet */
|
|
// ws['!cols'] = ['apple', 'banan'];
|
|
ws['!merges'] = ranges;
|
|
|
|
/* add worksheet to workbook */
|
|
wb.SheetNames.push(ws_name);
|
|
wb.Sheets[ws_name] = ws;
|
|
|
|
var wbout = XLSX.write(wb, { bookType: 'xlsx', bookSST: false, type: 'binary' });
|
|
|
|
saveAs(new Blob([s2ab(wbout)], { type: "application/octet-stream" }), "test.xlsx")
|
|
}
|
|
|
|
function formatJson(jsonData) {
|
|
}
|
|
export function export_json_to_excel(th, jsonData, defaultTitle) {
|
|
|
|
/* original data */
|
|
|
|
var data = jsonData;
|
|
data.unshift(th);
|
|
var ws_name = "SheetJS";
|
|
|
|
var wb = new Workbook(), ws = sheet_from_array_of_arrays(data);
|
|
|
|
|
|
/* add worksheet to workbook */
|
|
wb.SheetNames.push(ws_name);
|
|
wb.Sheets[ws_name] = ws;
|
|
|
|
var wbout = XLSX.write(wb, { bookType: 'xlsx', bookSST: false, type: 'binary' });
|
|
var title = defaultTitle || '列表'
|
|
saveAs(new Blob([s2ab(wbout)], { type: "application/octet-stream" }), title + ".xlsx")
|
|
}
|