js json转csv
2021-03-31 10:26
标签：element set write useragent toc create rda 方法 data 另一种 下载的的方法是构建Url data:text/csv;charset=UTF-8,Base32编码的csv字符串。 限制： 谷歌浏览器和IE浏览器对Url的最大长度限制不一样，总的来说，在前端组建CSV适用性非常有限，而且存在兼容性问题，不推荐使用。 js json转csv 标签：element set write useragent toc create rda 方法 data 原文地址：https://www.cnblogs.com/suntp/p/9073162.html$(document).ready(function() {
"use strict";
var mo = {
init: function() {
$(‘.download‘).click(function() {
var data = $(‘#txt‘).val();
if (data === ‘‘) {
return;
}
mo.JSONToCSVConvertor(data, true);
});
},
JSONToCSVConvertor: function(JSONData, ShowLabel) {
var arrData = typeof JSONData !== ‘object‘ ? JSON.parse(JSONData) : JSONData;
var CSV = ‘‘;
if (ShowLabel) {
var row = "";
for (var index in arrData[0]) {
row += index + ‘,‘;
}
row = row.slice(0, -1);
CSV += row + ‘\r\n‘;
}
for (var i = 0; i ) {
var row = "";
for (var index in arrData[i]) {
var arrValue = arrData[i][index] == null ? "" : ‘="‘ + arrData[i][index] + ‘"‘;
row += arrValue + ‘,‘;
}
row.slice(0, row.length - 1);
CSV += row + ‘\r\n‘;
}
if (CSV == ‘‘) {
growl.error("Invalid data");
return;
}
var fileName = "Result";
if (mo.msieversion()) {
var IEwindow = window.open();
IEwindow.document.write(‘sep=,\r\n‘ + CSV);
IEwindow.document.close();
IEwindow.document.execCommand(‘SaveAs‘, true, fileName + ".csv");
IEwindow.close();
} else {
var uri = ‘data:application/csv;charset=utf-8,‘ + escape(CSV);
var link = document.createElement("a");
link.href = uri;
link.style = "visibility:hidden";
link.download = fileName + ".csv";
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}
},
msieversion: function() {
var ua = window.navigator.userAgent;
var msie = ua.indexOf("MSIE ");
if (msie > 0 || !!navigator.userAgent.match(/Trident.*rv\:11\./)) // If Internet Explorer, return version number
{
return true;
} else { // If another browser,
return false;
}
return false;
},
main: function() {
mo.init();
}
};
mo.main();
});
function JSONToCSVConvertor(JSONData, ReportTitle, ShowLabel) {
var arrData = typeof JSONData != ‘object‘ ? JSON.parse(JSONData) : JSONData;
var CSV = "\ufeff";
var firfixCSV = "\ufeff";
if (ShowLabel) {
var row = "";
var firfixRow = "";
for (var index in arrData[0]) {
row += index + ‘,‘;
firfixCSV += index + ‘,‘;
}
CSV += row.slice(0, -1) + ‘\r\n‘;
firfixCSV = (firfixCSV.slice(0, -1) + ‘\n‘);
}
for (var i = 0; i ) {
var row = "";
for (var index in arrData[i]) {
row += ‘"‘ + arrData[i][index] + ‘",‘;
firfixCSV += arrData[i][index] + ‘,‘;
}
row.slice(0, row.length - 1);
CSV += row + ‘\r\n‘;
firfixCSV = (firfixCSV.slice(0, -1) + ‘\n‘);
}
if (CSV == ‘‘) {
alert("Invalid data");
return;
}
var link = document.createElement("a");
link.id = "lnkDwnldLnk";
document.body.appendChild(link);
var csv = CSV;
blob = new Blob([csv], { type: ‘text/csv,charset=UTF-8‘, endings: ‘native‘ });
if (window.webkitURL) {
var csvUrl = window.webkitURL.createObjectURL(blob);
} else {
var csvUrl = ‘data:text/csv;charset=UTF-8,\ufeff‘ + encodeURIComponent(firfixCSV);
}
var filename = ReportTitle + ‘.csv‘;
$("#lnkDwnldLnk")
.attr({
‘download‘: filename,
‘href‘: csvUrl
});
$(‘#lnkDwnldLnk‘)[0].click();
$(‘.bs-example-modal-lg‘).modal(‘hide‘);
document.body.removeChild(link);
}