constapproximatelyEqual=(v1,v2,epsilon=0.001)=>Math.abs(v1-v2)<epsilon;approximatelyEqual(Math.PI/2.0,1.5708);// true 4.`arrayToCSV`:数组转`CSV`格式(带空格的字符串) 代码语言:javascript 复制 constarrayToCSV=(arr,delimiter=',')=>arr.map(v=>v.map(x=>`"${x}"`).join(delimiter)).j...
使用console.log()方法时,将输出的内容添加到数组中,而不是直接在控制台中打印出来。例如:var logArray = []; logArray.push("日志内容"); 在JS代码中创建一个函数,将数组中的内容转换为CSV格式。 在函数中,使用Array.prototype.join()方法将数组中的每个元素以逗号分隔,并添加换行符。例如:var csvConten...
}导出下载 二、js实现json导出csv 使用a标签方式将json导出csv文件导出functiontableToExcel(){//要导出的json数据constjsonData = [ {name:'路人甲',phone:'123456789',email:'000@123456.com'}, {name:'炮灰乙',phone:'123456789',email:'000@123456.com'}, {name:'土匪丙',phone:'123456789',email:'0...
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; } else { var buf = new Array(s.length); for (var i = 0; i != s.length; ++i) buf[i] = s.charCodeAt(i)...
JS实现导出Excel和CSV操作 一、js导出Excel /** * 通用的打开下载对话框方法,没有测试过具体兼容性 *@paramurl下载地址,也可以是一个blob对象,必选 *@paramsaveName保存文件名,可选 */functionopenDownloadDialog(url,saveName){if(typeofurl=='object'&&urlinstanceofBlob){url=URL...
var CSVString = JSONasPOJO.rows.join('\n'); // Array becomes a newline-separated... // ...string of comma-separated strings. // It is now a single CSV string! 在这里,我们可以看到正在发生的转换: const JSONasPOJO = { "rows": [ ...
data (Array) 导出数据的对象数组,其中对象的属性名和columns里面的key值对应 示例 ExportJS.toCSV({columns:[{title:'ID',key:'id'},{title:'名称',key:'name'},{title:'网址',key:'url'},],data:[{id:1,name:'腾讯',url:'http://qq.com'},{id:2,name:'网易',url:'http://163.com'},...
array = []; fileAddress = 'D:/home/file; async csvTojson(file: any): Promise<any> { this.array = []; try { const list = xlsx2json.parse(file.path); // list[0]为Sheet1 const data = [...list[0].data]; const arr = []; ...
Array<Object> to a CsvOutput string based on the configsconstcsvOutput=generateCsv(csvConfig)(mockData);// This would result in a type error// const csvOutputWithNewLine = addNewLine(csvOutput);// ❌ => CsvOutput is not assignable to type string.// This unpacks CsvOutput which turns...
Array([jpg_jpg] => Array ( [name] => jpg.jpg [type] => image/jpeg [tmp_name] => D:\xampp\tmp\phpA595.tmp [error] => 0 [size] => 133363 )[png_png] => Array ( [name] => png.png [type] => image/png [t...