【前台技术】-播放音频

<style type="text/css">
    #cc
    {
        float:left;
        z-index:3;
        position:absolute;
        Opacity:0;
        margin-left:570px;
    }
</style>
   
    <div id="cc" style="background-color:red;width:310px;height:35px;"></div >
    <audio id="audio" controls=true autoplay=true controls = ‘controls‘ readonly=true>
           <source src="testEar/avatar/${MP3ID}"/>
    </audio>
    
 <script>
        audio = document.getElementById("audio");
        audio.addEventListener(‘ended‘, function () {  
            alert(‘听力播放结束，祝您取得好成绩！‘);
            audio.controls=false;
        }, true);
</script>