demo.html - Android社区 - https://www.androidos.net.cn/

<!doctype html>
<html>
<head>
  <title>paper-progress</title>
  
  <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
  <meta name="mobile-web-app-capable" content="yes">
  <meta name="apple-mobile-web-app-capable" content="yes">
  
  <script src="../platform/platform.js"></script>
  
  <link rel="import" href="paper-progress.html">
  <link rel="import" href="../paper-button/paper-button.html">
  
  <style shim-shadowdom>
  
    body {
      font-family: RobotoDraft, 'Helvetica Neue', Helvetica, Arial;
      margin: 0;
      padding: 24px;
    }
    
    paper-progress {
      display: block;
      width: 100%;
      padding: 25px 0;
    }
    
    paper-progress.pink::shadow #activeProgress {
      background-color: #e91e63;
    }
    
    paper-progress.pink::shadow #secondaryProgress {
      background-color: #f8bbd0;
    }
    
  </style>
  
</head>
<body unresolved>

  <paper-progress></paper-progress>

  <paper-button raisedButton label="Start" onclick="startProgress();"></paper-button>
  
  <br><br><br>
  
  <paper-progress value="40"></paper-progress><br>
  
  <paper-progress value="800" min="100" max="1000"></paper-progress><br>
  
  <paper-progress value="40" secondaryProgress="80"></paper-progress><br>
  
  <paper-progress value="200" max="200"></paper-progress><br>
  
  <paper-progress class="pink" value="80"></paper-progress><br>
  
  <paper-progress class="pink" value="40" secondaryProgress="80"></paper-progress>
  
  <script>
    
    var progress = document.querySelector('paper-progress');
    var button = document.querySelector('paper-button');
    
    var repeat, maxRepeat = 5, animating = false;
    
    function nextProgress() {
      animating = true;
      if (progress.value < progress.max) {
        progress.value += (progress.step || 1);
      } else {
        if (++repeat >= maxRepeat) {
          animating = false;
          button.disabled = false;
          return;
        }
        progress.value = progress.min;
      }
      progress.async(nextProgress);
    }
    
    function startProgress() {
      repeat = 0;
      progress.value = progress.min;
      button.disabled = true;
      if (!animating) {
        nextProgress();
      }
    }
    
    addEventListener('polymer-ready', function() {
      startProgress();
    });
    
  </script>
  
</body>
</html>