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<!DOCTYPE html> <html> <head> <meta http-equiv="Content-Type" Content="text/html; charset=utf-8;"> <title>移动端触摸滑动</title> <meta name="viewport" content="target-densitydpi=320,width=640,user-scalable=no"> <style> *{margin:0;padding:0;} html{height: 100%;} body{ height: 100%;} </style> </head> <body id=‘box‘> <script> var myBox = document.getElementById(‘box‘); var slider = { //判断设备是否支持touch事件 touch:(‘ontouchstart‘ in window) || window.DocumentTouch && document instanceof DocumentTouch, slider:document.getElementById(‘box‘), //事件 events:{ index:0, //显示元素的索引 slider:myBox, //this为slider对象 handleEvent:function(event){ var self = this; //this指events对象 if(event.type == ‘touchstart‘){ self.start(event); }else if(event.type == ‘touchmove‘){ self.move(event); }else if(event.type == ‘touchend‘){ self.end(event); } }, //滑动开始 start:function(event){ var touch = event.targetTouches[0]; //touches数组对象获得屏幕上所有的touch,取第一个touch startPos = {x:touch.pageX,y:touch.pageY,time:+new Date}; //取第一个touch的坐标值 console.log(‘startPos data as:‘ + ‘startPos.x =‘ + startPos.x+ ‘startPos.y =‘ + startPos.y); isScrolling = 0; //这个参数判断是垂直滚动还是水平滚动 myBox.addEventListener(‘touchmove‘,this,false); myBox.addEventListener(‘touchend‘,this,false); }, //移动 move:function(event){ //当屏幕有多个touch或者页面被缩放过,就不执行move操作 if(event.targetTouches.length > 1 || event.scale && event.scale !== 1) return; var touch = event.targetTouches[0]; endPos = {x:touch.pageX - startPos.x,y:touch.pageY - startPos.y}; console.log(‘endPos data as:‘ + ‘touch.x =‘ + touch.pageX+ ‘touch.y =‘ + touch.pageY); isScrolling = Math.abs(endPos.x) < Math.abs(endPos.y) ? 1:0; //isScrolling为1时,表示纵向滑动,0为横向滑动 event.preventDefault(); }, //滑动释放 end:function(event){ var duration = +new Date - startPos.time; //滑动的持续时间 if(isScrolling === 0){ //当为水平滚动时 if(Number(duration) > 10){ //判断是左移还是右移,当偏移量大于10时执行 if(endPos.x > 10){ //向右移动 console.log(‘向右移动‘); }else if(endPos.x < -10){ //向左移动 console.log(‘向左移动‘); } } }else{ if(Number(duration) > 10){ //判断是上移还是下移,当偏移量大于10时执行 if(endPos.y > 10){ //向下移动 console.log(‘向下移动‘); }else if(endPos.y < -10){ //向上移动 console.log(‘向上移动‘); } //myBox.style.left = touch.pageX + ‘px‘; } } //解绑事件 myBox.removeEventListener(‘touchmove‘,this,false); myBox.removeEventListener(‘touchend‘,this,false); } }, //初始化 init:function(){ var self = this; //this指slider对象 if(!!self.touch) self.slider.addEventListener(‘touchstart‘,self.events,false); //addEventListener第二个参数可以传一个对象,会调用该对象的handleEvent属性 } }; slider.init(); </script> </body> </html>
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原文地址:http://www.cnblogs.com/tuoq/p/4682956.html