Rectmoon/study · GitHub

<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <meta http-equiv="X-UA-Compatible" content="ie=edge" />
    <title>Document</title>
  </head>
  <body>
    <div>hello</div>

    <script>
      if (window.ActiveXObject) {
        document.body.oncopy = function() {
          event.returnValue = false
          var t = document.selection.createRange().text
          var s = '\r\n原文出自[ 菠菜园 ] 转载请保留原文链接:' + location.href
          clipboardData.setData('Text', t + '\r\n' + s)
        }
      } else {
        function addLink() {
          var body = document.getElementsByTagName('body')[0]
          var selection = window.getSelection()
          var pagelink = '原文出自[ 菠菜园 ] 转载请保留原文链接:' + document.location.href
          var copytext = selection + pagelink
          var newdiv = document.createElement('div')
          newdiv.style.position = 'absolute'
          newdiv.style.left = '-99999px'
          body.appendChild(newdiv)
          newdiv.innerHTML = copytext
          selection.selectAllChildren(newdiv)
          window.setTimeout(function() {
            body.removeChild(newdiv)
          }, 0)
        }
        document.body.addEventListener('copy', addLink, false)
      }
    </script>
  </body>
</html>