Partagez un exemple d'utilisation de JavaScript pour créer un album de musique WeChat-js tutoriel-php.cn

Partagez un exemple d'utilisation de JavaScript pour créer un album de musique WeChat
巴扎黑
Libérer： 2017-08-15 10:21:50
original
2038 Les gens l'ont consulté
Cet article partage principalement le cas de l'album de musique WeChat du scénario d'application js WeChat, qui a une certaine valeur de référence. Les amis intéressés peuvent s'y référer
Cette démo n'est qu'un album de musique js WeChat L'idée générale de le cas, les détails doivent être effectués en fonction de la situation
<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
  <title>Document</title>
  <link rel="stylesheet" href="reset.css" rel="external nofollow" >
  <link rel="stylesheet" href="swiper.min.css" rel="external nofollow" >
  <link rel="stylesheet" type="text/css" href="animate.css" rel="external nofollow" >
  <style>
    html,body{
      width:100%;
      height:100%;
      overflow:hidden;
    }
    html{
      font-size:100px;/*设计稿640*960*/
    }
    .main,.swiper-container,.swiper-slide{
      width:100%;
      height:100%;
      overflow:hidden;
    }
    .page1{
      position:relative;
      background:url("../img/swiper/bg1.jpg") no-repeat;
      background-size:cover;
    }
    .page1 img{
      position:absolute;  
      opacity:0;    
    }
    .page1 img:nth-child(1){
      left:2rem;
      top:.28rem;
      width:.96rem;
      height:2.32rem;  
        
    }
    .page1 img:nth-child(2){
      right:0;
      top:.28rem;
      width:3.7rem;
      height:6rem;      
    }
    .page1 img:nth-child(3){
      left:.5rem;
      bottom:.8rem;
      width:5.5rem;
      height:5.12rem;      
    }
    .page1 img:nth-child(4){
      left:-1.6rem;
      bottom:0;
      width:7.86rem;
      height:5.88rem;      
    }
    /*实现切换完成后页面中的元素在开始运动的思想:开始的时候当前的这个区域没有对应的ID，当切换到这个区域的时候，我们为其增加ID，在css中我们把所有的动画效果都放在指定的ID下，这样的话只需要让区域有ID，里面的子元素就有动画了*/
    #page1 img:nth-child(1){
      /*注意移动端的样式写两套 并且不加webkit的在后*/
      -webkit-animation:bounceInLeft 1s linear 0s 1 both;
      animation:bounceInLeft 1s linear 0s 1 both;  
    }
    #page1 img:nth-child(2){
      /*注意移动端的样式写两套 并且不加webkit的在后*/
      -webkit-animation:bounceInRight 1s linear .3s 1 both;
      animation:bounceInRight 1s linear .3s 1 both;  
    }
    #page1 img:nth-child(3){
      /*注意移动端的样式写两套 并且不加webkit的在后*/
      -webkit-animation:bounceInUp 1s linear .6s 1 both;
      animation:bounceInUp 1s linear .6s 1 both;  
    }
    #page1 img:nth-child(4){
      /*注意移动端的样式写两套 并且不加webkit的在后*/
      -webkit-animation:bounceInUp 1s linear .9s 1 both;
      animation:bounceInUp 1s linear .9s 1 both;  
    }
    .page2{
      position:relative;
      background:url("../img/swiper/bg2.jpg") no-repeat;
      background-size:cover;
    }
    .page2 img{
      position:absolute;
      top:2.5rem;
      opacity:0;
    }
    .page2 img:nth-child(1){
      top:0;
      left:0;
      width:3.4rem;
      height:1.74rem;
    }
    .page2 img:nth-child(2){
      left:1.48rem;
    }
    .page2 img:nth-child(3){
      left:3.2rem;
    }
    .page2 img:nth-child(4){
      left:4.7rem;
    }
    
    #page2 img:nth-child(1){
      -webkit-animation:bounceInLeft 1s linear 0s 1 both;
      animation:bounceInLeft 1s linear 0s 1 both;  
    }
    #page2 img:nth-child(2){
      -webkit-animation:zoomIn 1s linear .3s 1 both;
      animation:zoomIn 1s linear .3s 1 both;  
    }
    #page2 img:nth-child(3){
      -webkit-animation:zoomIn 1s linear .6s 1 both;
      animation:zoomIn 1s linear .6s 1 both;  
    }
    #page2 img:nth-child(4){
      -webkit-animation:zoomIn 1s linear .9s 1 both;
      animation:zoomIn 1s linear .9s 1 both;  
    }

    .arrow{
      position:absolute;
      left:50%;
      bottom:.2rem;
      z-index:10;
      margin-left:-.24rem;
      width:.48rem;
      height:.36rem;
      background:url("../img/swiper/web-swipe-tip.png") no-repeat;
      background-size:100% 100%;
      
      -webkit-animation:bounce 1s linear 0s infinite both;
      animation:bounce 1s linear 0s infinite both;
    }

    .music{
      display:none;
      position:absolute;
      top:.2rem;
      right:.2rem;
      z-index:10;
      width:.6rem;
      height:.6rem;
      background:url("../audio/music.svg") no-repeat;
      background-size:100% 100%;
    }
    .music.move{
      -webkit-animation :musicMove 1s linear 0s infinite both;
      animation :musicMove 1s linear 0s infinite both;
    }
    .music audio{
      display:none;
    }
    @-webkit-keyframes musicMove{
      0%{
        -webkit-transform:rotate(0deg);
        transform:rotate(0deg);
      }
      100%{
        -webkit-transform:rotate(360deg);
        transform:rotate(360deg);
      }
    }
    @keyframes musicMove{
      0%{
        -webkit-transform:rotate(0deg);
        transform:rotate(0deg);
      }
      100%{
        -webkit-transform:rotate(360deg);
        transform:rotate(360deg);
      }
    }
  </style>
</head>
<body>
  <section class=&#39;main&#39;>
    <!--MUSIC-->
    <p class=&#39;music&#39; id=&#39;musicMenu&#39;>
      <audio src="beyond.mp3" preload = &#39;none&#39; loop autoplay></audio id=&#39;musicAudio&#39;>
      <!-- <audio>
        <source src=&#39;beyond.mp3&#39; type=&#39;audio/mpeg&#39;/>
        <source src=&#39;beyond.wav&#39; type=&#39;audio/wav&#39;/>
        <source src=&#39;beyond.ogg&#39; type=&#39;audio/ogg&#39;/>
      </audio> -->
    </p>
    <!--CONTAINER-->
    <p class=&#39;swiper-container&#39;>
      <p class=&#39;swiper-wrapper&#39;>
        <p class=&#39;swiper-slide page1&#39;>
          <img src="img/swiper/page1-text1.png" alt="">
          <img src="img/swiper/page1-text2.png" alt="">
          <img src="img/swiper/page1-text3.png" alt="">
          <img src="img/swiper/page1-text4.png" alt="">
        </p>
        <p class=&#39;swiper-slide page2&#39;>
          <img src="img/swiper/page2-text1.png" alt="">
          <img src="img/swiper/page2-text2.png" alt="">
          <img src="img/swiper/page2-text3.png" alt="">
          <img src="img/swiper/page2-text4.png" alt="">
        </p>
      </p>
    </p>
    <!--ARROW-->
    <p class=&#39;arrow&#39;></p>

    
  </section>
  <script charset=&#39;utf-8&#39; src=&#39;swiper.min.js&#39;></script>
  <script>
    //rem
    ~function(){
      var desW = 640,
        winW = document.documentElement.clientWidth,
        ratio = winW / desW,
        oMain = document.querySelector(".main");
      if(winW>desW){
        oMain.style.margin = "0 auto";
        oMain.style.width = desW + &#39;px&#39;;
        return;
      }
      document.documentElement.style.fontSize = ratio*100+"px";

    }()
    new Swiper(&#39;.swiper-container&#39;,{
      direction:"vertical",
      loop:true,
      /*当切换结束后，给当前展示的区域添加对应的ID，由此实现对应的动画效果*/
      onSlideChangeEnd:function(swiper){
        var slideAry = swiper.slides;//获取当前一共有多少个活动快（包含loop模式前后多加的两个）
        var curIn = swiper.activeIndex;//当前展示的这个区域的索引
        var total = slideAry.length;
        //计算ID是PAGE?
        var targetId = &#39;page&#39;;
        switch(curIn){
          case 0:
            targetId += total - 2;
            break;
          case total - 1:
            targetId += 1;
            break;
          default:
            targetId += curIn
        }

        //给当前的活动块设置ID即可,还要把其余的移除
        [].forEach.call(slideAry,function(item,index){
          if(curIn === index){
            item.id = targetId;
            return;
          }
          item.id = null;
        })
        slideAry[curIn].id = targetId;

        //最后把animate.css里面的动画to里面添加opacity:1
      }
    })

    //MUSIC
    ~function(){
      var musicMenu = document.getElementById(&#39;musicMenu&#39;),
        musicAudio = document.getElementById(&#39;musicAudio&#39;);

      musicMenu.addEventListener(&#39;click&#39;,function(){
        if(musicAudio.paused){
          musicAudio.play();
          musicMenu.className = "music move";
          return;
        }
        musicAudio.pause();
        musicMenu.className = "music";

      })
      function controlMusic(){
        musicAudio.volume = 0.1;
        musicAudio.play();
        musicAudio.addEventListener(&#39;canplay&#39;,function(){
          musicMenu.style.display = "block";
          musicMenu.className = "music move";
        })
      }
      window.setTimeout(controlMusic,1000)
    }()
  </script>
</body>
</html>
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