下载属性在 Firefox 中不起作用 [英] Download attribute not working in Firefox
问题描述
我试图让用户使用 Javascript 和 HTML5 下载属性 (http://caniuse.com/#feat=download).
I'm trying to let the user download some data as a CSV (text) file, using Javascript and the HTML5 Download attribute (http://caniuse.com/#feat=download).
数据形成一个数组,然后添加到一个新的 Blob 对象中.
The data is formed in an array, and then added to a new Blob object.
它在 Chrome 和 Opera 中完美运行,但在 Firefox 中根本无法运行.
It works perfectly in Chrome and Opera, but does not work at all in Firefox.
我试图复制的原始示例:http://blog.eliacontini.info/post/79860720828/export-to-csv-using-javascript-the-download-attribute
Original example I am attempting to copy: http://blog.eliacontini.info/post/79860720828/export-to-csv-using-javascript-the-download-attribute
小提琴:http://jsfiddle.net/8wos7cf8/5/
Javascript:
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("
");
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 中得到了这个结果:
I get this result in Firefox:
...这在 Chrome/Opera 中的结果:
...and this result in Chrome/Opera:
因此它似乎出于某种原因省略了 Firefox 中的 URL 路径.
So it seems like it omits the URL path in Firefox for some reason.
推荐答案
您可以尝试在触发点击之前将元素添加到 DOM:
You might try adding the element to the DOM before triggering the click:
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
这在 Firefox 34 中对我有用
This worked for me in Firefox 34
jsfiddle:http://jsfiddle.net/8wos7cf8/7/
这篇关于下载属性在 Firefox 中不起作用的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!