iOS系统和微信中不支持audio自动播放问题的解决方法

.pause { position: absolute; z-index: 10000; bottom: 10px; right: 10px;}
.pause a { width:30px; height:30px; background:url(http://mat1.gtimg.com/zj/maxbao/reai/imgs/units-icons.png) 0 0 no-repeat; display:block; background-size: 90px auto;}
.pause a.on { -webkit-animation:reverseRotataZ 1.2s linear infinite}
.pause a.off { }
.pause span{ color: #fff; font-size: 16px; position:absolute; left:-40px; top:5px; text-shadow:1px 1px 1px #000; letter-spacing:2px; -webkit-transition:all .2s linear; opacity:0; -webkit-transform:translateX(-20px) }
.pause span.z-show { opacity:1; -webkit-transform:translateX(0px)}
.coffee-steam-box { -webkit-transform:translate(-40px,-40px)}
@-webkit-keyframes reverseRotataZ {
 0% {
 -webkit-transform:rotateZ(0deg)
 }
 100% {
 -webkit-transform:rotateZ(-360deg)
 }
}
.audio{position: absolute; z-index:10; visibility: hidden; opacity: 0; left: 0px; top:0px; width: 100px ; height: 30px;}

<div class="pause">
 <a class="on" href="#" rel="external nofollow" >
 </a>
 <span>开启</span>
</div>
<div class="audio">
 <audio src="http://mat1.gtimg.com/ln/images/2016zt/12Dec/dlsdbm/music.mp3" controls="controls" preload="auto" autoplay="autoplay" id="audio" loop></audio>
</div>

//播放器
(function($) {
 $(document).ready(function() {
 var musicControl = function(obj){
 var classname = $.trim(obj.attr('class'));
 //alert(classname);
 if (classname == 'on')
 {
  document.getElementById('audio').pause();
  obj.removeClass('on').addClass('off');
  obj.siblings('span').text('关闭');
  $('.pause span').addClass('z-show');
  $('.music-icon').removeClass('active');
  setTimeout(function(){
  $('.pause span').removeClass('z-show');
  },500);
 } else if (classname == 'off')
 {
  document.getElementById('audio').play();
  obj.removeClass('off').addClass('on');
  obj.siblings('span').text('开启');
  $('.music-icon').addClass('active');
  $('.pause span').addClass('z-show');
  setTimeout(function(){
  $('.pause span').removeClass('z-show');
  },500);
 };
 return false;
 }
 $('.pause a').click(function ()
 {
 musicControl($(this));
 });
 var audio = document.getElementById('audio');
  audio.play();
  $(document).one("touchstart",
  function() {
   audio.play()
  })
 });
})(jQuery);

document.getElementById('idName').play();

<script src="http://res.wx.qq.com/open/js/jweixin-1.0.0.js"></script> 
<script> 
 //一般情况下，这样就可以自动播放了，但是一些奇葩iPhone机不可以 
 document.getElementById('idName').play(); 
 //微信必须加入Weixin JSAPI的WeixinJSBridgeReady才能生效 
 document.addEventListener("WeixinJSBridgeReady", function () { 
 document.getElementById('idName').play(); 
 document.getElementById('video').play(); //视频自动播放
 }, false); 
</script>