目標：由playlist.mp3控制播放內容（可空或多首），播完10秒後重新載入本頁。

說明：

  1. playlist.mp3可以是真的mp3音樂檔，或是內容為多首mp3網址（一行一首）的文字檔。
  2. playlist.mp3的內容由server端控制，可依警報或時間或隨機產生內容。
[body]
<OBJECT id=player type=application/x-oleobject height=1 width=1
classid='CLSID:6BF52A52-394A-11d3-B153-00C04F79FAA6' >
<PARAM NAME="URL" VALUE="playlist.mp3">
<PARAM NAME="rate" VALUE="1">
<PARAM NAME="playCount" VALUE="1">
<PARAM NAME="autoStart" VALUE="true">
<PARAM NAME="baseURL" VALUE="">
<PARAM NAME="volume" VALUE="100">
<PARAM NAME="mute" VALUE="0">
<PARAM NAME="uiMode" VALUE="none">
</OBJECT>
[/body]

接收PlayStateChange[msdn]事件

[script]
window.onload = function() {
  var player = document.getElementById('player');
  player.attachEvent("playstatechange",MediaPlayer_playStateChange);
}
function MediaPlayer_playStateChange(newState) {
  if ( newState == 10/*Ready*/ ) {
    // 10秒後重新載入
    window.setTimeout("document.location.reload();", 1000*10);
  } // if
}
[/script]

參考資料：

  • Windows Media Player Reference - W3Schools
  • Using the Windows Media Player Control with Firefox - MSDN
  • Player.playState - MSDN
    Value State Description
    0 Undefined Windows Media Player is in an undefined state.
    1 Stopped Playback of the current media item is stopped.
    2 Paused Playback of the current media item is paused. When a media item is paused, resuming playback begins from the same location.
    3 Playing The current media item is playing.
    4 ScanForward The current media item is fast forwarding.
    5 ScanReverse The current media item is fast rewinding.
    6 Buffering The current media item is getting additional data from the server.
    7 Waiting Connection is established, but the server is not sending data. Waiting for session to begin.
    8 MediaEnded Media item has completed playback.
    9 Transitioning Preparing new media item.
    10 Ready Ready to begin playing.
    11 Reconnecting Reconnecting to stream.
  • ASX Elements Reference - MSDN
    Advanced Stream Redirector (ASX) files are based on the Extensible Markup Language (XML) syntax, and are made up of various elements with their associated tags and attributes.