如何在移动端复制到剪切板

<script type="text/javascript" src="./statics/jquery.js"></script>
<script type="text/javascript" src="./statics/clipboard.min.js"></script>

<button class="public-name" data-clipboard-text="">aaaaaabbbbbbbbbbb</button>
    
<script>
    $(document).ready(function() {        
        <!-- copy func -->
        var clipboard = new Clipboard(‘.public-name‘);

        clipboard.on(‘success‘, function(e) {
            alert("ok");
        });

        clipboard.on(‘error‘, function(e) {        
            alert("error");
        });
            
        $(".public-name").attr("data-clipboard-text", "123123");
    });
</script>