html/EventSource.html

<!DOCTYPE HTML>
<html>

<head>
<meta charset="utf-8">
<title>EventSource客户端</title>

<script type="text/javascript">
function EventSourceTest(url)
{
  if (typeof(EventSource) !== "undefined")
  {
    var es = new EventSource(url);

    es.onopen = function()
    {
      alert("连接已建立");
    };

    es.onmessage = function(ev)
    {
      console.log("received event: " + ev.data);
      var li=document.createElement("li");
      li.innerHTML=ev.data;
      document.getElementById("msg_list").appendChild(li);
    };

    es.onerror = function(e)
    {
      alert("连接断开");
    };
  }
  else
  {
    alert("您的浏览器不支持 EventSource!");
  }
}
</script>
</head>

<body>
  URL: <input type="text" id="url" value="http://127.0.0.1:8080/sse" style="width:300px;">
  <button onclick="EventSourceTest(document.getElementById('url').value)">运行 EventSource</button>
  <div>
    <ul id="msg_list" style="height:500px;overflow-y:scroll;">
    </ul>
  <div>
</body>

</html>