DDR爱好者之家 Design By 杰米

本文实例为大家分享了Android九宫格图片展示的具体代码,供大家参考,具体内容如下

1.lunbo.html代码:

<!DOCTYPE html> 
<html lang="en"> 
<head> 
  <meta charset="UTF-8"> 
  <title>大轮播</title> 
  <link rel="stylesheet" type="text/css" href="CSS/lunbo.css"/> 
  <script src="/UploadFiles/2021-04-02/lunbo.js">

2.CSS/lunbo.css代码:

body { 
  margin: 0px; 
  padding: 0px; 
  width: 1350px; 
  height: 618px; 
} 
 
a { 
  text-decoration: none; 
} 
 
#container { 
  width: 1350px; 
  height: 618px; 
  overflow: hidden; 
  position: relative; 
  border-top: 1px solid #ac6a0a; 
} 
 
#list { 
  width: 6750px; 
  height: 618px; 
  position: absolute; 
  z-index: 1; 
} 
 
#list img { 
  float: left; 
  width: 1350px; 
  height: 618px; 
} 
 
#buttons { 
  position: absolute; 
  height: 20px; 
  width: 60px; 
  z-index: 2; 
  bottom: 20px; 
  left: 50%; 
} 
 
#buttons span { 
  cursor: pointer; 
  float: left; 
  border: 1px solid #ad6a0a; 
  width: 10px; 
  height: 10px; 
  -webkit-border-radius: 50%; 
  -moz-border-radius: 50%; 
  border-radius: 50%; 
  margin-right: 5px; 
} 
 
#buttons .on { 
  background: orangered; 
} 
 
.arrow { 
  cursor: pointer; 
  display: none; 
  line-height: 100px; 
  text-align: center; 
  width: 40px; 
  height: 40px; 
  position: absolute; 
  z-index: 2; 
  top: 180px; 
  background-color: RGBA(0, 0, 0, 0); 
  color: #fff; 
} 
 
.arrow:hover { 
  background-color: RGBA(0, 0, 0, 0); 
} 
 
#container:hover .arrow { 
  display: block; 
} 
 
#prev { 
  left: 10px; 
  color: #ffffff; 
} 
 
#next { 
  right: 10px; 
  color: #ffffff; 
} 

3.JS/lunbo.js代码:

window.onload = function () { 
  var container = document.getElementById('container'); 
  var list = document.getElementById('list'); 
  var buttons = document.getElementById('buttons').getElementsByTagName('span'); 
  var prev = document.getElementById('prev'); 
  var next = document.getElementById('next'); 
  var index = 1; 
  var len = 3; 
  var animated = false; 
  var interval = 3000; 
  var timer; 
  var size = 1350; 
 
  function animate(offset) { 
    if (offset == 0) { 
      return; 
    } 
    animated = true; 
    var time = 300; 
    var inteval = 10; 
    var speed = offset / (time / inteval); 
    console.log("speed:" + speed); 
    var left = parseInt(list.style.left) + offset; 
 
    var go = function () { 
      if ((speed > 0 && parseInt(list.style.left) < left) || (speed < 0 && parseInt(list.style.left) > left)) { 
        list.style.left = parseInt(list.style.left) + speed + 'px'; 
        console.log(list.style.left); 
        setTimeout(go, inteval); 
      } else { 
        list.style.left = left + 'px'; 
        if (left > -200) { 
          list.style.left = -size * len + 'px'; 
        } 
        if (left < ( -size * len)) { 
          list.style.left = '-' + size + 'px'; 
        } 
        animated = false; 
        console.log("left:" + list.style.left); 
      } 
    } 
    go(); 
  } 
 
  function showButton() { 
    for (var i = 0; i < buttons.length; i++) { 
      if (buttons[i].className == 'on') { 
        buttons[i].className = ''; 
        break; 
      } 
    } 
    buttons[index - 1].className = 'on'; 
  } 
 
  function play() { 
    timer = setTimeout(function () { 
        next.onclick(); 
        play(); 
      }, 
      interval); 
  } 
 
  function stop() { 
    clearTimeout(timer); 
  } 
 
  next.onclick = function () { 
    if (animated) { 
      return; 
    } 
    if (index == len) { 
      index = 1; 
    } else { 
      index += 1; 
    } 
    animate(-size); 
    showButton(); 
  } 
  prev.onclick = function () { 
    if (animated) { 
      return; 
    } 
    if (index == 1) { 
      index = len; 
    } else { 
      index -= 1; 
    } 
    animate(size); 
    showButton(); 
  } 
  for (var i = 0; i < buttons.length; i++) { 
    buttons[i].onclick = function () { 
      if (animated) { 
        return; 
      } 
      if (this.className == 'on') { 
        return; 
      } 
      var myIndex = parseInt(this.getAttribute('index')); 
      var offset = -size * (myIndex - index); 
 
      animate(offset); 
      index = myIndex; 
      showButton(); 
    } 
  } 
  container.onmouseover = stop; 
  container.onmouseout = play; 
  play(); 
}; 

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。

DDR爱好者之家 Design By 杰米
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DDR爱好者之家 Design By 杰米

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