<div id="copykey" style="display: none">tuln1406a</div>

    <div class="changan" id="toolbar">

        <div class="firdiv"> 添加微信好友了解产品 </div>

        <div class="secdive"><a onclick="dkcf()" title="微信"><span>添加微信</span></a></div>

    </div>  

    <div id="wxnr" >

        <div class="nrdf">

            <i onclick="gbcf()">X</i>
            <img src="333.png" alt=""/>
            <p class="fuzhi">复制成功</p>
            <p class="wei" id="input">微信号：tulan1406</p>
            <p class="wei">添加微信好友，详细了解产品</p>
            <p class="zhi" onclick="gbcf()"><span class="wx">知道了</span></p>

        </div>
    </div>

<style>

    #toolbar { display:block; position: fixed; bottom: 0; width: 100%; z-index: 888; height: 57px; left: 0; background: black}
    #toolbar .firdiv { float: left; width: 60%; color:black;line-height: 60px;font-size: 15px;background: white;}
    #toolbar .secdive{float: right;width: 40%;background: #1AAD17;line-height: 60px}
    #toolbar span{font-weight: 800;font-size: 16px;color: #fff;}
    .changan{   width:100%; max-width:750px;   height:5.125rem;  line-height:5.125rem;  text-align:center;  color:#fff; font-size:22px; position:fixed; bottom:0;   box-shadow:0px 0px 10px rgba(0,0,0,0.4);}

    #wxnr { width: 100%; height: 100%; max-width: 640px; min-width: 320px; position: fixed; top: 0; z-index: 1000; display: none; background: rgba(0,0,0,.6); }

    #wxnr .nrdf { margin: auto; position: absolute; top: 30%; left: 0; right: 0; width: 80%; height: 37%; padding: 12px; padding-top: 26px; margin-top: -12px; text-align: center; background-color: #FFFFFF; box-shadow: 0px 2px 6px #777; -webkit-box-shadow: 0px 2px 6px #777; -moz-box-shadow: 0px 2px 6px #777; border-radius: 10px; }

    #wxnr img { width: 55px; height: 55px; display: block; margin: 0 auto; }

    #wxnr .fuzhi { font-size: 20px; line-height: 15px; text-align: center; margin-top: 10px;font-weight: 800}

    #wxnr .wei { font-size: 15px; line-height: 15px; text-align: center; margin-top: 10px;color: #676767}
    #wxnr i { position: absolute;top: 8px;right: 13px;width: 15px;height: 15px;font-size: 0.px;line-height: 16px;text-align: center;color: gray;font-weight: bold;font-style: normal;cursor: pointer; }
    #wxnr .zhi {padding: 0 25%;}
    #wxnr p .wx { padding:13px 0;background: #1AAD17;border-radius: 23px;display: block; width: 100%;color: white;}

</style>

<script>

  /* 打开微信弹窗 并复制指定值*/

function dkcf(){

  $('#wxnr').fadeIn("fast");

    const div = document.getElementById("copykey");

    const input = document.createElement("input");

    document.body.appendChild(input);

    input.value = div.innerText;

    input.select();

    try {

        if (document.execCommand("copy", false)) {

          layer.msg("div 内容复制成功");

        } else {
          layer.msg("div 内容复制失败");

        }
    } catch (error) {
        console.log(error, "error");

      } finally {
        input.remove();

    }
}

/* 关闭微信弹窗 */

function gbcf(){

  $('#wxnr').fadeOut("fast");

}
</script>