使用js实现下载功能

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>文件下载</title>
</head>
<body>
<div onclick="funDownload('1111111111','文档.txt')">点我啊</div>
<div onclick="download('你棒','https://ss0.bdstatic.com/94oJfD_bAAcT8t7mm9GUKT-xh_/timg?image&quality=100&size=b4000_4000&sec=1533799465&di=0f7445fba7d177bfd21b2d71d41531fb&src=http://pic28.photophoto.cn/20130717/0010023915569244_b.jpg')">点我啊</div>
<div onclick="downloadUrl('https://ss0.bdstatic.com/94oJfD_bAAcT8t7mm9GUKT-xh_/timg?image&quality=100&size=b4000_4000&sec=1533799465&di=0f7445fba7d177bfd21b2d71d41531fb&src=http://pic28.photophoto.cn/20130717/0010023915569244_b.jpg')">点我啊</div>
<script>
    function funDownload(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);
    };
    function download(name,href) {
        var $a = document.createElement('a');
        $a.setAttribute("href", href);
        $a.setAttribute("download",name);
        var evObj = document.createEvent('MouseEvents');
        evObj.initMouseEvent( 'click', true, true, window, 0, 0, 0, 0, 0, false, false, true, false, 0, null);
        $a.dispatchEvent(evObj);
    }
   function downloadUrl(src){
        var $a = document.createElement('a');
        $a.setAttribute("href", src);
        $a.setAttribute("download", "");
        var evObj = document.createEvent('MouseEvents');
        evObj.initMouseEvent( 'click', true, true, window, 0, 0, 0, 0, 0, false, false, true, false, 0, null);
        $a.dispatchEvent(evObj);
    }
</script>
</body>
</html>
使用js实现下载功能

使用js实现下载功能

猜你喜欢
