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

<!DOCTYPE html>
<html id="template_root" i18n-values="dir:textdirection">
<head>
<title i18n-content="title">
</title>
<style>
html {
  height: 100%;
}
body {
  color: #000;
  font-family: arial, sans-serif;
  background-image: -webkit-linear-gradient(white 50%, rgb(236, 244, 255));
  width: 100%;
  height: 100%;
  padding: 0;
  margin: 0;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-box-align: stretch;
  visibility: hidden;
  -webkit-user-select: none;
}

.upper {
  position: relative;
  width: 100%;
  -webkit-box-flex: 0.8;
}

#lower {
  position: relative;
  margin-top: 0;
  width: 100%;
  -webkit-box-flex: 1;
  background-image: -webkit-gradient(radial, 50% -20%, 700, 50% -70%, 0, from(#FFF), color-stop(.7, #EEE), to(#EEE));
}

.icon {
  float: left;
  margin: 15px;
  overflow: visible;
}

.h3 {
  float: left;
  height: 10%;
  width: 80%;
  font-family: Sans-serif;
  font-size: 120%;
  font-weight: bold;
  padding: 3px;
}

.message {
  float: left;
  margin-top: 10px;
}

.link {
  float: left;
  clear: both;
  padding: 3px;
  font-weight: bold;
}

.offline_message {
  position: absolute;
  width: 600px;
  height: 49%;
  top: 50%;
  left: 50%;
  margin-left: -300px;
  margin-top: -20%;
}

.activation_message {
  position: absolute;
  width: 500px;
  top: 0;
  margin-top: 0;
  left: 50%;
  margin-left: -250px;
  min-height: 380px;
}

#carrierPage {
  padding-top: 10px;
  width: 500px;
  height: 380px;
  overflow-x: none;
  overflow-y: none;
}

.hidden {
  display: none;
}

.splitter {
  border-top: 1px solid #DDD;
  height: 1px;
}
</style>
<script src="shared/js/local_strings.js"></script>

<script>
var localStrings = new LocalStrings();

function sendCommand(cmd) {
  window.domAutomationController.setAutomationId(1);
  window.domAutomationController.send(cmd);
}

// Show the offline page.
function showPage() {
  document.body.style.visibility = 'visible';
}

document.addEventListener('DOMContentLoaded', function() {
  var time_to_wait = localStrings.getString('time_to_wait');
  var show_activation = localStrings.getString('show_activation') == 'true';
  window.setTimeout(showPage, time_to_wait);
  var lower = document.getElementById('lower');
  if (show_activation)
    lower.style.display = 'block';
});
</script>

<body oncontextmenu="return false;">
  <div class="upper" i18n-values=".title:url">
    <div class="offline_message">
      <div class="icon" i18n-values=".src:icon;.style.display:display_icon"></div>
      <h3 i18n-content="heading"></h3>
      <div class="message" i18n-values=".innerHTML:msg"></div>
      <div class="link"><a href="chrome://settings/internet"
           onclick="sendCommand('proceed')"
           i18n-content="try_loading"></a> 
      </div>
      <div class="link"><a href="chrome://settings/internet"
           onclick="sendCommand('open_network_settings')"
           i18n-content="network_settings"></a>
      </div>
    </div>
  </div>
  <div id="lower" class="hidden">
    <div class="activation_message">
      <div class="splitter"></div>
      <iframe src="chrome-extension://iadeocfgjdjdmpenejdbfeaocpbikmab/activation_in_offline.html"
              id="carrierPage" frameborder="0"></iframe>
    </div>
  </div>
</body>
</html>