//@ts-nocheck
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import * as XLSX from 'xlsx';
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export function exportExcel(dataSource, entozh, type = "xlsx", name = "全部信息") {
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const nowdata = dataSource;
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if (nowdata != undefined) {
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let i = 1;
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const json = nowdata.map((item) => {
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return Object.keys(item).reduce((newData, key) => {
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console.log(key,'key')
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console.log(entozh,'entozh')
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const newKey = entozh[key] //|| key
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if (newKey !== undefined) {
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if (key !== 'key') {
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//不需要key
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if (key === 'id') {
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newData[newKey] = i //.toString()
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i++;
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} else {
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newData[newKey] = item[key]
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}
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}
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}
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return newData
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}, {})
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});
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// debugger;
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const sheet = XLSX.utils.json_to_sheet(json);
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openDownloadDialog(sheet2blob(sheet, undefined, type), `${name}${getCurrentTime()}.${type}`);
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} else {
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this.$message.warning("无数据")
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}
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}
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export function openDownloadDialog(url, saveName) {
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if (typeof url == 'object' && url instanceof Blob) {
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url = URL.createObjectURL(url); // 创建blob地址
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}
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var aLink = document.createElement('a');
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aLink.href = url;
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aLink.download = saveName || ''; // HTML5新增的属性，指定保存文件名，可以不要后缀，注意，file:///模式下不会生效
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var event;
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if (window.MouseEvent) event = new MouseEvent('click');
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else {
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event = document.createEvent('MouseEvents');
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event.initMouseEvent('click', true, false, window, 0, 0, 0, 0, 0, false, false, false, false, 0, null);
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}
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aLink.dispatchEvent(event);
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}
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export function sheet2blob(sheet, sheetName, type = "xlsx") {
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sheetName = sheetName || 'sheet1';
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var workbook = {
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SheetNames: [sheetName],
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Sheets: {}
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};
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workbook.Sheets[sheetName] = sheet; // 生成excel的配置项
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var wopts = {
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bookType: `${type}`, // 要生成的文件类型
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bookSST: false, // 是否生成Shared String Table，官方解释是，如果开启生成速度会下降，但在低版本IOS设备上有更好的兼容性
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type: 'binary'
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};
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var wbout = XLSX.write(workbook, wopts);
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var blob = new Blob([s2ab(wbout)], {
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type: "application/octet-stream"
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}); // 字符串转ArrayBuffer
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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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return blob;
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}
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// 获取当前时间
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export function getCurrentTime() {
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let date = new Date();
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//获取年份
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let year = date.getFullYear();
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//获取月份
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let month = date.getMonth() + 1;
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month = month >= 10 ? month : "0" + month;
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//获取天数
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let day = date.getDate();
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day = day >= 10 ? day : "0" + day;
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//获取小时
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let hour = date.getHours();
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hour = hour >= 10 ? hour : "0" + hour;
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//获取分钟
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let min = date.getMinutes();
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min = min >= 10 ? min : "0" + min;
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//获取秒
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let second = date.getSeconds();
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second = second >= 10 ? second : "0" + second;
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//拼接时间字符串
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return `${year}-${month}-${day} ${hour}:${min}:${second}`;
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}
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