use-on-demand
Version:
406 lines • 15.4 kB
JavaScript
import { __read, __spread } from "tslib";
var BOM = '\uFEFF';
function getXLSX() {
return import('xlsx');
}
function getFileSaver() {
return import('file-saver');
}
function getJsZip() {
return import('jszip');
}
var xX_CVS_Excel_Helper = /** @class */ (function () {
function xX_CVS_Excel_Helper() {
}
/**
* 先将二维数组转成纯文本，重点是要处理可能在内容中出现的分隔符和双引号：
*/
xX_CVS_Excel_Helper.arrayToCsv = function (data, args) {
if (args === void 0) { args = {}; }
var columnDelimiter = args.columnDelimiter || ',';
var lineDelimiter = args.lineDelimiter || '\n';
return data.reduce(function (csv, row) {
var rowContent = Array.isArray(row)
? row.reduce(function (rowTemp, col) {
var ret = rowTemp ? rowTemp + columnDelimiter : rowTemp;
if (col) {
var formatedCol = col.toString().replace(new RegExp(lineDelimiter, 'g'), ' ');
ret += /,/.test(formatedCol) ? "\"" + formatedCol + "\"" : formatedCol;
}
return ret;
}, '')
: row;
return (csv ? csv + lineDelimiter : '') + rowContent;
}, '');
};
/**
* 导出cvs文件
* 1.有空，要好好看看这段代码。可拓展面应该很广。
*/
xX_CVS_Excel_Helper.exportCsv = function (inputData, filename) {
if (filename === void 0) { filename = 'export.csv'; }
// const csv = arrayToCsv(inputData);
var csv = inputData;
if (navigator.msSaveOrOpenBlob) {
var blob = new Blob([BOM + csv], {
type: 'text/csv;charset=utf-8;',
});
navigator.msSaveOrOpenBlob(blob, filename);
}
else {
var uri = encodeURI("data:text/csv;charset=utf-8," + BOM + csv);
var downloadLink = document.createElement('a');
downloadLink.href = uri;
downloadLink.download = filename;
document.body.appendChild(downloadLink);
downloadLink.click();
document.body.removeChild(downloadLink);
}
};
/**
* 从【】，触发【下载Excel】操作
*/
xX_CVS_Excel_Helper.downloadExcel = function (url, filename) {
if (filename === void 0) { filename = 'export.xls'; }
// 创建隐藏的可下载链接
var eleLink = document.createElement('a');
eleLink.download = filename;
eleLink.style.display = 'none';
// 字符内容转变成blob地址
// const blob = new Blob([content]);
eleLink.href = url;
console.log('记录一下，export出的url，为多少。', url);
// 触发点击
document.body.appendChild(eleLink);
eleLink.click();
// 然后移除
document.body.removeChild(eleLink);
};
/**
* 从Excel文件中，获取某些行列。
*/
xX_CVS_Excel_Helper.readArr_fromExcel = function (excel_file, // 传入的Excel文件
sheet_field, // 筛选特定字段
inputDom) {
return new Promise(function (resolve, reject) {
getXLSX().then(function (XLSX) {
// 声明回调
var fileOnLoadCb = function (event) {
console.log('event', event);
var data = null;
var workbook = null;
var persons = [];
// 读取数据
try {
data = event.target.result;
workbook = XLSX.read(data, {
type: 'binary',
});
}
catch (e) {
console.error('文件类型不正确，', e);
reject(e); // TODO Promise失败返回
return;
}
// 表格的表格范围，可用于判断表头，数量是否正确
var from_To = '';
// 遍历每张表，读取
var _sheets = workbook.Sheets;
for (var sheet in _sheets) {
// 安全判断，是否有该属性
if (Object.prototype.hasOwnProperty.call(_sheets, sheet)) {
// 表格范围
from_To = _sheets[sheet]['!ref'];
console.log('表格范围', from_To);
// 拼接列表
persons = persons.concat(XLSX.utils.sheet_to_json(_sheets[sheet]));
// 此处，如果只取第一张sheet，就取消下面这行注释
// break
}
}
inputDom.value = ''; // TODO 清除掉<input>的value值，这样可以实现多次重复上传。（针对onchange）
console.log('读取的列表', persons);
resolve(persons); // TODO Promise成功返回
};
var fileReader = new FileReader();
fileReader.onload = fileOnLoadCb;
fileReader.readAsBinaryString(excel_file);
}).catch(function (e) {
console.error(e);
reject(e);
});
});
};
/**
* 将文本，导出为【ZIP文件】
*/
xX_CVS_Excel_Helper.prototype.export_txt_to_zip = function (th, jsonData, txtName, zipName) {
return new Promise(function (resolve, reject) {
require('script-loader!file-saver');
getJsZip().then(function (exports) {
var JSZip = exports.default;
var zip = new JSZip();
var txt_name = txtName || 'file';
var zip_name = zipName || 'file';
var data = jsonData;
var txtData = th + "\r\n";
data.forEach(function (row) {
var tempStr = '';
tempStr = row.toString();
txtData += tempStr + "\r\n";
});
zip.file(txt_name + ".txt", txtData);
zip.generateAsync({ type: 'blob' }).then(function (blob) {
getFileSaver().then(function (FileSaver) {
FileSaver.saveAs(blob, zip_name + ".zip"); // FIXME ？？？？？？
resolve();
}).catch(function (e) {
return [reject(e)];
});
}, function (err) {
console.error(err);
// alert(i18n.t('message.Export_Failure'));
alert("\u5BFC\u51FA\u5931\u8D25\uFF01" + err);
reject(err);
});
}).catch(function (e) {
console.error(e);
reject(e);
});
});
};
/**
*
*/
xX_CVS_Excel_Helper.export_table_to_excel = function (id) {
var theTable = document.getElementById(id);
var oo = generateArray(theTable);
var ranges = oo[1];
/* original data */
var data = oo[0];
var ws_name = 'SheetJS';
getXLSX().then(function (XLSX) {
var wb = new WorkbookSimple();
var ws = sheet_from_array_of_arrays(XLSX, 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' });
getFileSaver().then(function (FileSaver) {
FileSaver.saveAs(new Blob([s2ab(wbout)], { type: 'application/octet-stream' }), 'test.xlsx');
}).catch(function (e) {
console.error(e);
});
}).catch(function (e) {
console.error(e);
});
};
xX_CVS_Excel_Helper.prototype.export_json_to_excel = function (_a) {
var _b = _a === void 0 ? {} : _a, header = _b.header, _data = _b._data, _c = _b.filename, filename = _c === void 0 ? 'excel-list' : _c, _d = _b.autoWidth, autoWidth = _d === void 0 ? true : _d;
console.log('initial export');
/* original data */
var data = __spread(_data);
data.unshift(header);
var ws_name = 'SheetJS';
console.log('startingsheet_from_array_of_arrays');
getXLSX().then(function (XLSX) {
var wb = new WorkbookSimple();
var ws = sheet_from_array_of_arrays(XLSX, data);
if (autoWidth) {
/*设置worksheet每列的最大宽度*/
var colWidth = data.map(function (row) { return row.map(function (val) {
/*先判断是否为null/undefined*/
if (val == null) {
return { wch: 10 };
}
else if (val.toString().charCodeAt(0) > 255) {
return { wch: val.toString().length * 2 };
}
else {
return { wch: val.toString().length };
}
}); });
/*以第一行为初始值*/
var result = colWidth[0];
for (var i = 1; i < colWidth.length; i++) {
for (var j = 0; j < colWidth[i].length; j++) {
if (result[j].wch < colWidth[i][j].wch) {
result[j].wch = colWidth[i][j].wch;
}
}
}
ws['!cols'] = result;
}
console.log(' wb.SheetNames.push(ws_name);');
/* add worksheet to workbook */
wb.SheetNames.push(ws_name);
wb.Sheets[ws_name] = ws;
console.log('wbout');
var wbout = XLSX.write(wb, { bookType: 'xlsx', bookSST: false, type: 'binary' });
getFileSaver().then(function (FileSaver) {
FileSaver.saveAs(new Blob([s2ab(wbout)], { type: 'application/octet-stream' }), filename + '.xlsx');
}).catch(function (e) {
console.error(e);
});
}).catch(function (e) {
console.error(e);
});
};
return xX_CVS_Excel_Helper;
}());
export { xX_CVS_Excel_Helper };
//
//
//
//
//
//
function generateArray(table) {
var out = [];
var rows = table.querySelectorAll('tr');
var ranges = [];
var _loop_1 = function (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;
// @ts-ignore
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) {
// @ts-ignore
rowspan = rowspan || 1;
// @ts-ignore
colspan = colspan || 1;
// @ts-ignore
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) {
// @ts-ignore
for (var k = 0; k < colspan - 1; ++k) {
outRow.push(null);
}
}
}
out.push(outRow);
};
for (var R = 0; R < rows.length; ++R) {
_loop_1(R);
}
return [out, ranges];
}
function s2ab(s) {
var buf = new ArrayBuffer(s.length);
var view = new Uint8Array(buf);
for (var i = 0; i != s.length; ++i) {
// @ts-ignore
// tslint:disable-next-line
// tslint:disable-next-line:no-bitwise
view[i] = s.charCodeAt(i) & 0xFF;
}
return buf;
}
//
// function Workbook(this: any) {
// if (!(this instanceof Workbook)) {
// return new Workbook();
// }
// this.SheetNames = [];
// this.Sheets = {};
// }
//
var WorkbookSimple = /** @class */ (function () {
function WorkbookSimple() {
this.SheetNames = [];
this.Sheets = {};
}
return WorkbookSimple;
}());
function sheet_from_array_of_arrays(_XLSX, 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';
// @ts-ignore
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 datenum(_v, date1904) {
var v = _v;
if (date1904) {
v += 1462;
}
var epoch = Date.parse(v);
return (epoch - new Date(Date.UTC(1899, 11, 30)).valueOf()) / (24 * 60 * 60 * 1000);
}
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