我试图让用户使用Javascript和HTML5下载属性(http://caniuse.com/#feat=download)将某些数据下载为CSV(文本)文件。

数据以数组形式形成,然后添加到新的Blob对象中。

它在Chrome和Opera中完美运行,但在Firefox中根本不起作用。

我尝试复制的原始示例:http://blog.eliacontini.info/post/79860720828/export-to-csv-using-javascript-the-download-attribute

小提琴:http://jsfiddle.net/8wos7cf8/5/

Javascript:

$('#downloadButton').click(function () {
// some data to export
var data = [{
    "title": "Book title 1",
    "author": "Name1 Surname1"
}, {
    "title": "Book title 2",
    "author": "Name2 Surname2"
}, {
    "title": "Book title 3",
    "author": "Name3 Surname3"
}, {
    "title": "Book title 4",
    "author": "Name4 Surname4"
}];

// prepare CSV data
var csvData = new Array();
csvData.push('"Book title","Author"');
data.forEach(function (item, index, array) {
    csvData.push('"' + item.title + '","' + item.author + '"');
});

// download stuff
var fileName = "data.csv";
var buffer = csvData.join("\n");
var blob = new Blob([buffer], {
    "type": "text/csv;charset=utf8;"
});
var link = document.createElement("a");

if (link.download !== undefined) { // feature detection
    // Browsers that support HTML5 download attribute
    link.setAttribute("href", window.URL.createObjectURL(blob));
    link.setAttribute("download", fileName);
    link.click();
} else {
    alert('CSV export only works in Chrome, Firefox, and Opera.');
}
});


HTML:

<div class="toggle-button" id="downloadButton"><span>Export to CSV</span></div>


当我添加警报时:

alert(window.URL.createObjectURL(blob));


我在Firefox中得到以下结果:



...导致Chrome / Opera:



因此,由于某种原因,它似乎省略了Firefox中的URL路径。

最佳答案

您可以尝试在触发点击之前将元素添加到DOM:

document.body.appendChild(link);
link.click();
document.body.removeChild(link);


这在Firefox 34中对我有用

jsfiddle:http://jsfiddle.net/8wos7cf8/7/

关于javascript - 下载属性在Firefox中不起作用,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/57550970/

10-12 12:55
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