点击复制将页面信息copy

<!DOCTYPE html>
     <html>
        <head>
          <meta charset="utf-8">
          <meta content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=no" name="viewport">
          <title>标题</title>
        </head>
        <body>
          <div id="myDiv">单击“选取元素”按钮将选取div元素中的全部文字并复制</div>
          <button onclick="selectContents()">选取元素</button>
          <script>
            function selectContents() {
              var elementNode = document.getElementById("myDiv");
              var selection = window.getSelection();
              selection.selectAllChildren(elementNode);
                document.execCommand("Copy")
            }
          </script>
        </body>
    </html>

点击复制 将页面信息copy

点击复制将页面信息copy