通过Ajax下载文件

ajax, download

通过Ajax下载文件

参考网站https://send.firefox.com/ Github

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<button type="button" id="GetFile">Get File!</button>
file_download_via_ajax.jsview raw
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$('#GetFile').on('click', function () {
    $.ajax({
        url: 'https://kekek.cc/static/P60524-122812.jpg',
        xhr: function () {
            var xhr = $.ajaxSettings.xhr();
            xhr.onprogress = function (e) {
                // For downloads
                if (e.lengthComputable) {
                    console.log(e.loaded / e.total);
                }
            };
            xhr.upload.onprogress = function (e) {
                // For uploads
                if (e.lengthComputable) {
                    console.log(e.loaded / e.total);
                }
            };
            return xhr;
        },
        method: 'GET',
        xhrFields: {
            responseType: 'blob'
        },
        success: function (data) {
            var a = document.createElement('a');
            var url = window.URL.createObjectURL(data);
            a.href = url;
            a.download = 'P60524.jpg';
            a.click();
            window.URL.revokeObjectURL(url);
        }
    });
});

参考

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