原生js实现点击按钮复制内容到剪切板

Z时代
2024-01-10
分类：IT

本文实例为大家分享了js点击按钮复制内容到剪切板的具体代码，供大家参考，具体内容如下

效果图

上代码


<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<style>
  .divBox {
    width: 500px;
    margin: 100px auto;
    display: flex;
  }
  .popupStyle {
    display: none;
    width: 160px;
    background-color: rgb(85, 85, 85);
    color: aqua;
    text-align: center;
    border-radius: 6px;
    padding: 8px 0;
    position: fixed;
    z-index: 1;
    top: 2%;
    left: 50%;
    margin-left: -80px;
  }
</style>
<body>
  <div class="divBox">
    <div id="div">这是要复制的div内容</div>
    <a href="#" onclick="handleDivCopy()">点击复制</a>
  </div>
  <div class="divBox">
    <textarea id="textarea">Hello,World</textarea>
    <a href="#" onclick="handleCopy()">点击复制</a>
  </div>
  <script>
    // 复制 div 内容
    function handleDivCopy() {
      const div = document.getElementById("div");
      const input = document.createElement("input");
      document.body.appendChild(input);
      input.value = div.innerText;
      input.select();
      try {
        if (document.execCommand("copy", false)) {
          handleDomMsg("div 内容复制成功");
        } else {
          handleDomMsg("div 内容复制失败");
        }
      } catch (error) {
        console.log(error, "error")
      } finally {
        input.remove();
      }
    };
    // 复制输入框内容
    function handleCopy() {
      const textarea = document.getElementById("textarea");
      textarea.select();
      try {
        if (document.execCommand("copy", false)) {
          handleDomMsg("输入框内容复制成功");
        } else {
          handleDomMsg("输入框内容复制失败");
        }
      } catch (error) {
        console.log(error, "error")
      }
    };
    // DOM 弹窗
    function handleDomMsg(message) {
      const div = document.createElement("div");
      document.body.appendChild(div);
      div.innerHTML = message || "this is a Message";
      div.className = "popupStyle";
      div.style.display = "block";
      setTimeout(() => {
        div.remove();
      }, 1000);
    }
  </script>
</body>
</html>