htm css js 滚动鼠标中键实现单页面全屏图片展现cid1047-代码设计

html and css

 <!DOCTYPE html>
 <html lang="en">
 <head>
     <meta charset="UTF-8">
     <title>Horizontal slider</title>
     <script src="https://code.jquery.com/jquery-3.3.1.js"
   ></script>
  
   <style>
    
    html,
    body,
       .slider,
       .slide,
       .bg{
         margin: 0;
         width: 100%;
         height: 100%;
         overflow: hidden;        
        
       }
       
       .slider{
        background: #000;       
        }
        
       .slide{
        background: #000;
        position: absolute;
        top: 0;
        left: 0;
        transform: translate3d(0,0,0);
        transition: 800ms;
           
       }
       
       .bg{
           background-position: center;
           background-repeat: no-repeat;
           background-size: cover;
           transition: 800ms;
       }
       
       .queue{
           transform: translate3d(0, 100%, 0);          
           
       }
        
       .prev{
           transform: translate3d(0,-50%,0);
           
       }
       .prev .bg{
          opacity: 0.5; 
           
       }
       
       .bounce{
           transition: 300ms;
           
       }
       
       .slide:first-child.bounce{
           transform: translate3d(0,10%,0);          
       } 
       .slide:last-child.bounce{
           transform: translate3d(0,-10%,0);          
       }
       
       .slide:nth-child(1) .bg{
           background-image: url(gallery/h4.jpg);
           
       }
        .slide:nth-child(2) .bg{
           background-image: url(gallery/2.jpeg);
           
       }
        .slide:nth-child(3) .bg{
           background-image: url(gallery/4.jpeg);
           
       }
       
       
        .slide:nth-child(4) .bg{
           background-image: url(gallery/8.jpeg);
           
       }
       
       
        .slide:nth-child(5) .bg{
           background-image: url(gallery/32.jpeg);
           
       }
       
       
       
   </style>
 
 </head>
 <body>
     
     <div class="slider">
         <div class="slide active">
             <div class="bg"></div>
         </div>
         
         <div class="slide queue">
             <div class="bg"></div>            
         </div>
         
        <div class="slide queue">
             <div class="bg"></div>            
         </div> 
            
         <div class="slide queue">
             <div class="bg"></div>            
         </div>
         
         <div class="slide queue">
             <div class="bg"></div>            
         </div>
    
         
     </div>
 
    <script>
    
   $(document).ready(function() {

  var timeStart = 0;

  function wheely(e) {
    var y = e.originalEvent.deltaY;
    var timeStop = new Date().getTime();
    var timeDiff = timeStop - timeStart;
    if (timeDiff > 200) {
      if (y > 0) {
        nextSlide();
      }
      if (y < 0) {
        prevSlide();
      }
    }
    timeStart = timeStop;
  }

  function prevSlide() {
    if ($('.active').is(':first-child')) {
      if (!$('.slider').hasClass('dragging')) {
        $('.slide:first-child').addClass('bounce');
        setTimeout(function() {
          $('.slide:first-child').removeClass('bounce');
        }, 300);
      }
    } else {
      $('.active').removeClass('active').addClass('queue').prev().removeClass('prev').addClass('active');
    }
  }

  function nextSlide() {
    if ($('.active').is(':last-child')) {
      if (!$('.slider').hasClass('dragging')) {
        $('.slide:last-child').addClass('bounce');
        setTimeout(function() {
          $('.slide:last-child').removeClass('bounce');
        }, 300);
      }
    } else {
      $('.active').removeClass('active').addClass('prev').next().removeClass('queue').addClass('active');
    }
  }

  function hotkeys(e) {
    if (e.keyCode == 38) {
      prevSlide();
    }

    if (e.keyCode == 40) {
      e.preventDefault();
      nextSlide();
    }
  }

  function dragStart(e) {
    e.preventDefault();
    if (e.type == 'touchstart') {
      $(document).off('mousedown', dragStart);
      startPoint = e.originalEvent.touches[0].pageY;
    } else {
      startPoint = e.pageY;
    }
    dragDist = 0;
    $(document).on('touchmove mousemove', dragMove);
  }

  function dragMove(e) {
    if (e.type == 'touchmove') {
      var movePoint = e.originalEvent.touches[0].pageY;
    } else {
      var movePoint = e.pageY;
    }
    dragDist = (movePoint - startPoint) / $('.slider').height() * 100;

    $('.slider').addClass('dragging');

    $('.slide, .bg').css({
      transition: '0ms'
    });

    if (dragDist < 0) {
      $('.active .bg').css({
        opacity: 1 + (dragDist / 200)
      });
      $('.active').css({
        transform: 'translate3d(0,' + (dragDist / 2) + '%,0)'
      }).next().css({
        transform: 'translate3d(0,' + (100 + dragDist) + '%,0)'
      });
    }

    if (dragDist > 0) {
      $('.active').css({
        transform: 'translate3d(0,' + dragDist + '%,0)'
      }).prev().css({
        animation: 'none',
        transform: 'translate3d(0,' + (-50 + dragDist / 2) + '%,0)'
      }).find('.bg').css({
        opacity: 0.5 + (dragDist / 200)
      });
    }
  }

  function dragEnd() {
    $(document).off('touchmove mousemove', dragMove);
    $('.slide, .bg').removeAttr('style');
    if (dragDist > 20) {
      prevSlide();
    }
    if (dragDist < -20) {
      nextSlide();
    }

    setTimeout(function() {
      $('.slider').removeClass('dragging');
    }, 800);
  }

  $(document).on('wheel', wheely);
  $(document).on('keydown', hotkeys);
  $(document).on('touchstart mousedown', dragStart);
  $(document).on('touchend mouseup', dragEnd);

}); 
</script>
     
 </body>
 </html>

在线演示? 让链接同时具备两种打开方式

获取源码: Neek 1
下载数:86人次, 文件大小: 847.3 KB, 上传日期: 2020年-11月-26日

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qrcode_for_gh_6ea2c28a1709_258 (1)

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