选择文件来播放音乐，所有的控制参数非常明显

<script>
//---------这是区分播放器的音乐类型，你可以填加修改------//
var RS = new Array("rm","ram","mp3","ra","rt","rp","rmm","png","m3u","mp2","mpa");
//-----------播放器状态-------------//
var Rstate = new Array("停止","连接","缓冲","播放","暂停");

var player_doing = false;

function choose_player(sound_path)
{
sound_path = sound_path.split(".");

var sound_type = sound_path[sound_path.length-1].toLowerCase();

for(i=0;i<RS.length;i++)
{
if(sound_type==RS[i])
return "R"
}

return "U";
}
function Do_play()
{
var the_player = document.getElementById("player");
the_player.DoPlay();
}
function Do_pause()
{
var the_player = document.getElementById("player");
the_player.DoPause();
}
function Do_stop()
{
var the_player = document.getElementById("player");
the_player.DoStop();
}
function Set_position(num)
{
var the_player = document.getElementById("player");
the_player.SetPosition(num);
}
function Get_position()
{
var the_player = document.getElementById("player");
return the_player.GetPosition();
}
function Get_length()
{
var the_player = document.getElementById("player");
return the_player.GetLength();
}
function Set_volume(num)
{
var the_player = document.getElementById("player");
the_player.SetVolume(num);
}
function Show_time(num)
{
var time_minute = Math.floor( num / 60000 );
var time_second = Math.floor( ( num - time_minute*60000 ) / 1000 );

if( time_minute < 10 )
time_minute = "0" + time_minute;
if( time_second < 10 )
time_second = "0" + time_second;

return (time_minute + ":" +time_second);
}
function Get_state()
{
var the_player = document.getElementById("player");
return the_player.GetPlayState();
}

function player_play()
{
var just_type = choose_player(document.getElementById("sound_path").value);
var the_player = document.getElementById("player");

var the_state   = Get_state();

if(the_state==1||the_state==2||the_state==3)
{
return;
}

if(the_state==4)
{
Do_play();
}

if(the_state==0)
{
if(just_type=="R")
{
   Do_stop();
   the_player.SetSource(document.getElementById("sound_path").value);
   Do_play();

   if(player_doing)
   {
    clearInterval(player_doing)
   }

   player_doing = setInterval("Set_all()",500);
}
}
}
function Set_all()
{
var the_player = document.getElementById("player");

document.getElementById("position_box").value = Show_time(Get_position());
document.getElementById("length_box").value   = Show_time(Get_length());

document.getElementById("state_box").value    = Rstate[Get_state()];

var the_max = (document.getElementById("position_button_box").offsetWidth - document.getElementById("position_button").offsetWidth);

document.getElementById("position_button").style.pixelLeft = Math.round(the_max*Get_position()/Get_length());

if(Get_state()==0)
{
clearInterval(player_doing);
}
}
function Go_direction(num)
{
var the_player = document.getElementById("player");

var the_state   = Get_state();

if(the_state==3)
{
var the_direction = num*1000;

var judger = (Get_position() + the_direction)

if(judger>=0&&judger<=Get_length())
{
    Set_position(judger);
}
}

}

var Ox,Nx;
var move_obj_can_move = false;
var move_obj = false;
function start_move()
{
move_obj_can_move = true;

move_obj = event.srcElement.id;

document.getElementById(move_obj).setCapture();
Ox = event.clientX;

}
function document.onmouseup()
{
if(!move_obj)
return;

document.getElementById(move_obj).releaseCapture();

move_obj_can_move = false;

move_obj = false;
}
function document.onmousemove()
{
if(!document.getElementById(move_obj))
{
return;
}

if(move_obj=="position_button"&&Get_state()!=3)
{
return;
}

Nx = event.clientX;

var judger = document.getElementById(move_obj).style.pixelLeft + Nx - Ox;

var max = document.getElementById(move_obj+"_box").offsetWidth - document.getElementById(move_obj).offsetWidth;

if(!move_obj_can_move||!move_obj||judger>max||judger<0)
{
return;
}

document.getElementById(move_obj).style.pixelLeft += Nx - Ox;

eval(move_obj+"_event("+document.getElementById(move_obj).style.pixelLeft+","+max+")");

Ox = Nx;

}
function volume_button_event(s_num,b_num)
{
var judger = Math.round(100*s_num/b_num)

if(judger>=0&&judger<=100)
{
Set_volume(judger)
}
}
function position_button_event(s_num,b_num)
{
var judger = Math.round(Get_length()*s_num/b_num);

if(judger>=0||judger<=Get_length())
{
Set_position(judger)
}
}
</script>
<table border="0" width="100%" cellspacing="0" cellpadding="0">
<tr>
    <td width="37%">
<embed src="///d:/My%20Documents/My%20Webs/ling.mp3" type="audio/x-pn-realaudio-plugin" id="player" controls="ImageWindow,ControlPanel" width="273" height="183" >
    </td>
   <td width="63%" valign="top">
        <input type="button" value="播放" onclick="player_play()">
        <input type="button" value="暂停" onclick="Do_pause()">
        <input type="button" value="停止" onclick="Do_stop()">
        <input type="button" value="<<<" onmousedown="Go_direction(-1)">
        <input type="button" value=">>>" onmousedown="Go_direction(1)">
        <p> <input type="file" id="sound_path" style="width: 163; height: 23" id="state_box">
        STATE：<input type="text" value="" size="10" id="state_box">
        </p>
        <p>
        POSITION: <input type="text" value="" size="10" id="position_box"> LENGTH: <input type="text" value="" size="11" id="length_box">
        </p>

        <div align="left">
          <table border="0" width="67%" cellspacing="0" cellpadding="0">
            <tr>
              <td id="volume_button_box" width="100%" bgcolor="#C0C0C0">
          <input id="volume_button" type="button" value="音量" style="position: relative; left:100; height: 18; width: 32" onmousedown="start_move()">
         </td>
            </tr>
          </table>
        </div>
<p>
        <div align="left">
          <table border="0" width="67%" cellspacing="0" cellpadding="0">
            <tr>
              <td id="position_button_box" width="100%" bgcolor="#C0C0C0">
          <input id="position_button" type="button" value="NOW" style="position: relative; left:0; height: 18; width: 32" onmousedown="start_move()">
         </td>
            </tr>
          </table>
        </div>

    </td>
</tr>
</table>