HTML：
<a href="javascript:void(0)" data-clipboard-text="http://midaijihua.com" class="copy">邀请好友</a>

JS：
if ($(‘.copy‘).length) {
    var client = new ZeroClipboard(
        $(‘.copy‘),
        {moviePath: ‘/static/themes/plan/yangjing/js/ZeroClipboard.swf‘}
    );

    client.on(‘complete‘, function (client, args) {
        alert("复制成功: " + args.text);
    });
} else {
    window.location.reload();
}

点击复制链接