text: var func = function (){
      $.ajax({
          type:'POST',
          url:'/admin.php/Order/get_new_order',
          dataType:'json',
          success:function(data){
              console.log(JSON.stringify(data));
              if(data.errno == 0)
              {
                  playSound();
              }
          }
      });
  }
  
  var playSound = function () {
      var borswer = window.navigator.userAgent.toLowerCase();
      if ( borswer.indexOf( "ie" ) >= 0 )
      {
          //IE内核浏览器
          var strEmbed = '<embed name="embedPlay" src="/admin/image/voice.mp3" autostart="true" hidden="true" loop="false"></embed>';
          if ( $( "body" ).find( "embed" ).length <= 0 )
              $( "body" ).append( strEmbed );
          var embed = document.embedPlay;
  
          //浏览器不支持 audion，则使用 embed 播放
          embed.volume = 100;
          //embed.play();这个不需要
      } else
      {
          //非IE内核浏览器
          var strAudio = "<audio id='audioPlay' src='/admin/image/voice.mp3' hidden='true'>";
  
          if($("#audioPlay").length<=0){
              $( "body" ).append( strAudio );
          }
  
          var audio = document.getElementById( "audioPlay" );
  
          //浏览器支持 audio
          audio.play();
      }
  }
  
  //主动调用
  setInterval("func()", 30000);