function ChongAudio(el, option) {
  this.audios = el || document.getElementsByClassName('music-audio')[0];
  this.progressIng = $('.progress-ing');
  this.t = 0; // 当前秒数
  this.duration = 0; // 音乐总时长
  this.progressIngNum = 0; // 当前播放进度百分比
  this.isMouse = false; // 是否拖拽
  this._progress = 0; // 当前移动进度百分比
  this.timer = null; // 延时器，每500毫秒监听当前播放秒数渲染当前进度
  this.isPalying = false; // 是否在播放
  this.audioRefTimer = true; // 音频刷新定时器
  var _this = this;
  
  //初始化音频时长
  this.init = function (duration) {
	var duration = duration ? duration : '00:00';
    $('.music-max').html(timeleng(duration));
  };

  // 播放
  this.play = function (duration) {
    _this.audios.play();
    _this.isPalying = true;
    _this.audioRefTimer = true
    _this.duration = duration ? duration : _this.audios.duration;
    $('.music-max').html(timeleng(_this.duration));
    _this.audioTimer();
  };

  // 暂停
  this.pause = function () {
	_this.audioRefTimer = false
    _this.audios.pause();
  };

  // 停止
  this.stop = function () {
    _this.t = 0;
    _this.audios.currentTime = 0;
    _this.audios.pause();
    _this.isPalying = false;
    this.progressIng.css('width', 0 + '%');
    $('.music-cur').text(timeleng(0));
    $('#audio_play').css('display', 'block');
    $('#audio_pause').css('display', 'none');
    _this.audioRefTimer = false
  };

  // 监听播放状态 // 暂停
  this.audios.addEventListener('pause', function (e) {
    $('#audio_play').css('display', 'block');
    $('#audio_pause').css('display', 'none');
    _this.isPalying = false;
  });

  // 监听播放状态 // 播放中
  this.audios.addEventListener('playing', function (e) {
    $('#audio_play').css('display', 'none');
    $('#audio_pause').css('display', 'block');
  });

  // 监听播放状态 // 停止
  this.audios.onended = function () {
    _this.stop();
  };
  // 控制当前播放进度条
  this.audioTimer = function () {
	if(_this.audioRefTimer == false){
	   return;
	}
	
    _this.t = parseInt(Math.round(_this.audios.currentTime));
    _this.progressIngNum = (_this.t / _this.duration) * 100;
    $('.progress-ing').css('width', _this.progressIngNum + '%');
    $('.music-range').val(_this.t);
    $('.music-cur').text(timeleng(_this.t));
    _this.t = parseInt(_this.audios.currentTime);

    if (_this.t < _this.duration) {
      $('#audio_play').css('display', 'none');
      $('#audio_pause').css('display', 'block');
      
      timer = setTimeout(_this.audioTimer, 500);
    } else {
      $('#audio_play').css('display', 'block');
      $('#audio_pause').css('display', 'none');
      _this.audioRefTimer = false;
    }
  };

  // 滑块监听鼠标按下
  $('.progress').mousedown(function (e) {
	  console.log('-------------------------');
	  console.log(_this.isPalying);
	  
    if (!_this.isPalying) return;
    var oDiv1 = $('.progress');
    var oDiv2 = $('.progress-ing');
    var oDiv3 = $('.progress-ing-button');
    var mouseStart = 0;
    var mouseEnd = 0;
    _this.isMouse = true;
    mouseStart = e.clientX;
    var downLg = e.clientX - oDiv3.offset().left;
    // 滑块监听鼠标移动
    $(document).mousemove(function (e) {
      if (!_this.isMouse) return;
      var clientX = e.clientX;
      var moveLg = clientX - downLg;
      if (moveLg < 0) {
        moveLg = 0;
      } else if (moveLg > oDiv1.offset().width - oDiv3.offset().width + 20) {
        moveLg = oDiv1.offset().width - oDiv3.offset().width;
      }
      _this._progress = parseInt(
        ((moveLg - oDiv1.offset().left) / oDiv1.width()) * 100
      );
      oDiv2.css('width', _this._progress + '%');
    });

    // 滑块监听鼠标松开
    $(document).mouseup(function (e) {
      if (!_this.isMouse) {
        return;
      }
      if (_this._progress > 0) {
        _this.audios.currentTime =
          parseFloat(_this.duration * _this._progress) / 100;
      } else if (_this._progress >= 110) {
        _this.audios.currentTime = 0;
        _this.duration = 0;
        _this.audios.pause();
        $('.progress-ing').css('width', 0 + '%');
        _this.audioRefTimer = false;
        $('#audio_play').css('display', 'block');
        $('#audio_pause').css('display', 'none');
      }
      document.onmousemove = null;
      document.onmousedown = null;
      document.onmouseup = null;
      _this.isMouse = false;
    });
  });

  $('.progress .progress-ing-button').on('touchstart', function (e) {
    // if (!_this.isPalying) return;
    var oDiv1 = $('.progress');
    var oDiv2 = $('.progress-ing');
    var oDiv3 = $('.progress-ing-button');
    var mouseStart = 0;
    var mouseEnd = 0;
    _this.isMouse = true;
    mouseStart = e.originalEvent.changedTouches[0].clientX;
    var downLg = e.originalEvent.changedTouches[0].clientX - oDiv3.offset().left;
    $('.progress .progress-ing-button').on('touchmove', function (e) {
      if (!_this.isMouse) return;
      var clientX = e.originalEvent.changedTouches[0].clientX ;
      var moveLg = clientX - downLg;
      if (moveLg < 0) {
        moveLg = 0;
      } else if (moveLg > oDiv1.offset().width - oDiv3.offset().width + 20) {
        moveLg = oDiv1.offset().width - oDiv3.offset().width;
      }
      _this._progress = parseInt(
        ((moveLg - oDiv1.offset().left) / oDiv1.width()) * 100
      );
      oDiv2.css('width', _this._progress + '%');
    });
    $(document).on('touchend', function (e) {
      if (!_this.isMouse) {
        return;
      }
      if (_this._progress > 0) {
        _this.audios.currentTime =
          parseFloat(_this.duration * _this._progress) / 100;
      } else if (_this._progress >= 110) {
        _this.audios.currentTime = 0;
        _this.duration = 0;
        _this.audios.pause();
        $('.progress-ing').css('width', 0 + '%');
        _this.audioRefTimer = false;
        $('#audio_play').css('display', 'block');
        $('#audio_pause').css('display', 'none');
      }
      document.onmousemove = null;
      document.onmousedown = null;
      document.onmouseup = null;
      _this.isMouse = false;
    });
  });
}
// 获取播放时间
function timeleng(time) {
  var m = 0,
    s = 0,
    ms = '00',
    ss = '00';
  time = Math.floor(time % 3600);
  m = Math.floor(time / 60);
  s = Math.floor(time % 60);
  ss = s < 10 ? '0' + s : s + '';
  ms = m < 10 ? '0' + m : m + '';
  return ms + ':' + ss;
}