我知道有很多这种性质的问题,但我需要使用JavaScript来做到这一点。我使用Dojo 1.8并在数组中拥有所有属性信息,它看起来像这样:
[["name1", "city_name1", ...]["name2", "city_name2", ...]]
知道我如何在客户端将此导出为CSV吗?
我知道有很多这种性质的问题,但我需要使用JavaScript来做到这一点。我使用Dojo 1.8并在数组中拥有所有属性信息,它看起来像这样:
[["name1", "city_name1", ...]["name2", "city_name2", ...]]
知道我如何在客户端将此导出为CSV吗?
当前回答
来自@Default的解决方案在Chrome上完美地工作(非常感谢!),但我有一个IE问题。
以下是一个解决方案(适用于IE10):
var csvContent=data; //here we load our csv data
var blob = new Blob([csvContent],{
type: "text/csv;charset=utf-8;"
});
navigator.msSaveBlob(blob, "filename.csv")
其他回答
这是基于已接受答案的修改答案,其中数据将来自JSON。
JSON Data Ouptut:
0 :{emails: "SAMPLE Co., peter@samplecompany.com"}, 1:{emails: "Another CO. , ronald@another.com"}
JS:
$.getJSON('yourlink_goes_here', { if_you_have_parameters}, function(data) {
var csvContent = "data:text/csv;charset=utf-8,";
var dataString = '';
$.each(data, function(k, v) {
dataString += v.emails + "\n";
});
csvContent += dataString;
var encodedUri = encodeURI(csvContent);
var link = document.createElement("a");
link.setAttribute("href", encodedUri);
link.setAttribute("download", "your_filename.csv");
document.body.appendChild(link); // Required for FF
link.click();
});
适用于所有语言
function convertToCsv(fName, rows) {
var csv = '';
for (var i = 0; i < rows.length; i++) {
var row = rows[i];
for (var j = 0; j < row.length; j++) {
var val = row[j] === null ? '' : row[j].toString();
val = val.replace(/\t/gi, " ");
if (j > 0)
csv += '\t';
csv += val;
}
csv += '\n';
}
// for UTF-16
var cCode, bArr = [];
bArr.push(255, 254);
for (var i = 0; i < csv.length; ++i) {
cCode = csv.charCodeAt(i);
bArr.push(cCode & 0xff);
bArr.push(cCode / 256 >>> 0);
}
var blob = new Blob([new Uint8Array(bArr)], { type: 'text/csv;charset=UTF-16LE;' });
if (navigator.msSaveBlob) {
navigator.msSaveBlob(blob, fName);
} else {
var link = document.createElement("a");
if (link.download !== undefined) {
var url = window.URL.createObjectURL(blob);
link.setAttribute("href", url);
link.setAttribute("download", fName);
link.style.visibility = 'hidden';
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
window.URL.revokeObjectURL(url);
}
}
}
convertToCsv('download.csv', [
['Order', 'Language'],
['1', 'English'],
['2', 'Español'],
['3', 'Français'],
['4', 'Português'],
['5', 'čeština'],
['6', 'Slovenščina'],
['7', 'Tiếng Việt'],
['8', 'Türkçe'],
['9', 'Norsk bokmål'],
['10', 'Ελληνικά'],
['11', 'беларускі'],
['12', 'русский'],
['13', 'Українська'],
['14', 'հայերեն'],
['15', 'עִברִית'],
['16', 'اردو'],
['17', 'नेपाली'],
['18', 'हिंदी'],
['19', 'ไทย'],
['20', 'ქართული'],
['21', '中国'],
['22', '한국어'],
['23', '日本語'],
])
就是这样:
<!doctype html>
<html>
<head></head>
<body>
<a href='#' onclick='downloadCSV({ filename: "stock-data.csv" });'>Download CSV</a>
<script type="text/javascript">
var stockData = [
{
Symbol: "AAPL",
Company: "Apple Inc.",
Price: "132.54"
},
{
Symbol: "INTC",
Company: "Intel Corporation",
Price: "33.45"
},
{
Symbol: "GOOG",
Company: "Google Inc",
Price: "554.52"
},
];
function convertArrayOfObjectsToCSV(args) {
var result, ctr, keys, columnDelimiter, lineDelimiter, data;
data = args.data || null;
if (data == null || !data.length) {
return null;
}
columnDelimiter = args.columnDelimiter || ',';
lineDelimiter = args.lineDelimiter || '\n';
keys = Object.keys(data[0]);
result = '';
result += keys.join(columnDelimiter);
result += lineDelimiter;
data.forEach(function(item) {
ctr = 0;
keys.forEach(function(key) {
if (ctr > 0) result += columnDelimiter;
result += item[key];
ctr++;
});
result += lineDelimiter;
});
return result;
}
window.downloadCSV = function(args) {
var data, filename, link;
var csv = convertArrayOfObjectsToCSV({
data: stockData
});
if (csv == null) return;
filename = args.filename || 'export.csv';
if (!csv.match(/^data:text\/csv/i)) {
csv = 'data:text/csv;charset=utf-8,' + csv;
}
data = encodeURI(csv);
link = document.createElement('a');
link.setAttribute('href', data);
link.setAttribute('download', filename);
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
}
</script>
</body>
</html>
上面的答案是可行的,但请记住,如果你以.xls格式打开,列~~可能会用'\t'而不是','分隔,答案https://stackoverflow.com/a/14966131/6169225对我来说很好,只要我在数组上使用.join('\t')而不是.join(',')。
我来这里是为了寻求更多的RFC 4180遵从性,但我没有找到一个实现,所以我根据自己的需要做了一个(可能效率很低)实现。我想跟大家分享一下。
var content = [['1st title', '2nd title', '3rd title', 'another title'], ['a a a', 'bb\nb', 'cc,c', 'dd"d'], ['www', 'xxx', 'yyy', 'zzz']];
var finalVal = '';
for (var i = 0; i < content.length; i++) {
var value = content[i];
for (var j = 0; j < value.length; j++) {
var innerValue = value[j]===null?'':value[j].toString();
var result = innerValue.replace(/"/g, '""');
if (result.search(/("|,|\n)/g) >= 0)
result = '"' + result + '"';
if (j > 0)
finalVal += ',';
finalVal += result;
}
finalVal += '\n';
}
console.log(finalVal);
var download = document.getElementById('download');
download.setAttribute('href', 'data:text/csv;charset=utf-8,' + encodeURIComponent(finalVal));
download.setAttribute('download', 'test.csv');
希望这能在未来帮助到一些人。这结合了CSV的编码和下载文件的能力。在jsfiddle的例子中。您可以下载该文件(假设HTML 5浏览器)或在控制台中查看输出。
更新:
Chrome现在似乎已经失去了命名文件的能力。我不确定发生了什么或如何修复它,但每当我使用这段代码(包括jsfiddle)时,下载的文件现在被命名为download.csv。