HTML结构
<p class="DzWx"><span class="wx">微信:<span id="wxContent"> 22</span></span><button class="copy" id="copyId">复制</button></p>
js代码
$(".copy")[0].onclick = function(){var txt = $('#wxContent').text();Copy(txt);}// 复制微信号函数function Copy(str) {var save = function(e) {e.clipboardData.setData('text/plain', str);e.preventDefault();};document.addEventListener('copy', save);document.execCommand('copy');document.removeEventListener('copy', save);console.log('复制成功');}