https://www.zhangxinxu.com/wordpress/2017/07/js-text-string-download-as-html-json-file/ 侵删
1.H5 download属性
function downFile(content, filename) {// 创建隐藏的可下载链接var eleLink = document.createElement('a');eleLink.download = filename;eleLink.style.display = 'none';// 字符内容转变成blob地址var blob = new Blob([content]);eleLink.href = URL.createObjectURL(blob);// 触发点击
document.body.appendChild(eleLink);eleLink.click();// 然后移除
document.body.removeChild(eleLink);
};downFile(下载地址, 保存名称);
2.iframe方式
// if (typeof(download.iframe) == 'undefined') {// var iframe = document.createElement('iframe');// download.iframe = iframe;// document.body.appendChild(download.iframe);// };// download.iframe.src = newdownloadUrl;// download.iframe.style.display = "none";3.form方式
// var $eleForm = $("<form method='get'></form>");// $eleForm.attr("action", "https://codeload.github.com/douban/douban-client/legacy.zip/master");// $eleForm.attr("action", url);// $(document.body).append($eleForm);// $eleForm.submit();
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