JavaScript

超轻量级php框架startmvc

原生javascript移动端滑动banner效果

更新时间:2020-04-29 09:00 作者:startmvc
本文实例为大家分享了移动端滑动banner效果的具体代码,供大家参考,具体内容如下<!DOCT

本文实例为大家分享了移动端滑动banner效果的具体代码,供大家参考,具体内容如下


<!DOCTYPE html>
<html lang="en">
<head>
 <meta charset="UTF-8">
 <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
 <meta name="apple-mobile-web-app-capable" content="yes">
 <meta content="telephone=yes" name="format-detection" />
 <meta name="apple-mobile-web-app-status-bar-style" content="white">
 <meta name="x5-fullscreen" content="true">
 <meta name="apple-touch-fullscreen" content="yes">
 <title>Document</title>
 <style>
 *{margin:0;padding:0;}
 .box{
 height:200px;
 width:100%;
 overflow: hidden;
 }
 .movebox{
 height:200px;
 width:9000px;
 padding:0;
 position:relative;
 left:0;
 }
 .movebox li{
 height:200px;
 float:left;
 list-style:none;
 font-size:30px;
 color:#fff;
 }

 </style>
 <script>
 window.onload = function(){

 var moveX, //手指滑动距离
 endX, //手指停止滑动时X轴坐标
 cout = 0, //滑动计数器
 moveDir; //滑动方向
 var movebox = document.querySelector(".movebox"); //滑动对象
 var Li = movebox.querySelectorAll("li"); //滑动对象item
 var width = parseInt(window.getComputedStyle(movebox.parentNode).width); //滑动对象item的宽度

 movebox.style.width = (width*4) + "px"; //设置滑动盒子width
 for(var i = 0; i < Li.length; i++){
 Li[i].style.width = width + "px"; //设置滑动item的width,适应屏幕宽度
 }

 //触摸开始
 function boxTouchStart(e){
 var touch = e.touches[0]; //获取触摸对象
 startX = touch.pageX; //获取触摸坐标
 endX = parseInt(movebox.style.webkitTransform.replace("translateX(", "")); //获取每次触摸时滑动对象X轴的偏移值
 }

 function boxTouchMove(e){
 var touch = e.touches[0];
 moveX = touch.pageX - startX; //手指水平方向移动的距离

 if(cout == 0 && moveX > 0){ //刚开始第一次向左滑动时
 return false;
 }

 if(cout == 3 && moveX < 0){ //滑动到最后继续向右滑动时
 return false;
 }

 movebox.style.webkitTransform = "translateX(" + (endX + moveX) + "px)"; //手指滑动时滑动对象随之滑动
 }

 function boxTouchEnd(e){
 moveDir = moveX < 0 ? true : false; //滑动方向大于0表示向左滑动,小于0表示向右滑动
 //手指向左滑动
 if(moveDir){

 if(cout<3){
 movebox.style.webkitTransform = "translateX(" + (endX-width) + "px)";
 cout++;
 }
 //手指向右滑动
 }else{
 //滑动到初始状态时返回false
 if(cout == 0){
 return false;
 }else{
 movebox.style.webkitTransform = "translateX(" + (endX+width) + "px)";
 cout--;
 }
 }
 }

 //滑动对象事件绑定
 movebox.addEventListener("touchstart", boxTouchStart, false);
 movebox.addEventListener("touchmove", boxTouchMove, false);
 movebox.addEventListener("touchend", boxTouchEnd, false);
 }
 </script>
</head>

<body style="position:absolute;width:100%;overflow:hidden;">
 <div class="box">
 <ul class="movebox" style="transition-duration:0.2s;transform: translateX(-0px);">
 <li style="background:red;">1</li>
 <li style="background:yellow">2</li>
 <li style="background:blue">3</li>
 <li style="background:green">4</li>
 </ul>
 </div>
</body>

</html>

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脚本之家。