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js 拖拽翻页实现代码

时间：2021-07-01 10:21:17 帮助过：10人阅读

<html> 
<head> 
<title>blog</title> 
<meta http-equiv=content-type content="text/html; charset=gb2312"> 
<style> 
body{ 
 border:0px; 
 margin:0px; 
 overflow:hidden; 
 background-color:transparent; 
 font-family:宋体; 
} 
.page{ 
 position:absolute; 
 width:700px; 
 border:1px solid #999; 
 background-color:#000; 
 left:425px; 
 margin-left:-350px; 
 cursor:default; 
 z-index:0; 
} 
ul{ 
 height:320px; 
 list-style:none; 
 margin:40px 50px 0px; 
 padding:0px; 
} 
li{ 
 width:100%; 
 height:30px; 
 line-height:30px; 
 font-size:14px; 
 text-align:left; 
 border-bottom:1px dashed #999; 
} 
a{ 
 text-decoration:none; 
 color:#999; 
} 
a:hover{ 
 font-weight:bold; 
} 
li span{ 
 float:right; 
 color:#999; 
} 
.tip{ 
 display:block; 
 width:100%; 
 font-size:12px; 
 color:#999; 
 text-align:center; 
 margin:10px 0px 20px; 
} 
</style> 
</head> 
<body onselectstart="return false;"> 
<script> 
function id(obj){ 
 return document.getElementById(obj); 
} 
var page; 
var lm,mx; 
var md=false; 
var sh=0; 
var en=false; 
window.onload=function(){ 
 page=document.getElementsByTagName("div"); 
 if(page.length>0){ 
 page[0].style.zIndex=2; 
 } 
 for(i=0;i<page.length;i++){ 
 page[i].className="page"; 
 page[i].innerHTML+="第 "+(i+1)+"/"+page.length+" 页 提示：左右拖拽翻页"; 
 page[i].id="page"+i; 
 page[i].i=i; 
 page[i].onmousedown=function(e){ 
 if(!en){ 
 if(!e){e=e||window.event;} 
 lm=this.offsetLeft; 
 mx=(e.pageX)?e.pageX:e.x; 
 this.style.cursor="w-resize"; 
 md=true; 
 if(document.all){ 
 this.setCapture(); 
 }else{ 
 window.captureEvents(Event.MOUSEMOVE|Event.MOUSEUP); 
 } 
 } 
 } 
 page[i].onmousemove=function(e){ 
 if(md){ 
 en=true; 
 if(!e){e=e||window.event;} 
 var ex=(e.pageX)?e.pageX:e.x; 
 this.style.left=ex-(mx-lm)+350; 
 
 
 
 
 if(this.offsetLeft<75){ 
 var cu=(this.i==0)?page.length-1:this.i-1; 
 page[sh].style.zIndex=0; 
 page[cu].style.zIndex=1; 
 this.style.zIndex=2; 
 sh=cu; 
 } 
 if(this.offsetLeft>75){ 
 var cu=(this.i==page.length-1)?0:this.i+1; 
 page[sh].style.zIndex=0; 
 page[cu].style.zIndex=1; 
 this.style.zIndex=2; 
 sh=cu; 
 } 
 
 
 
 
 
 
 
 } 
 } 
 page[i].onmouseup=function(){ 
 this.style.cursor="default"; 
 md=false; 
 if(document.all){ 
 this.releaseCapture(); 
 }else{ 
 window.releaseEvents(Event.MOUSEMOVE|Event.MOUSEUP); 
 } 
 flyout(this); 
 } 
 } 
} 
function flyout(obj){ 
 if(obj.offsetLeft<75){ 
 if( (obj.offsetLeft + 350 - 20) > -275 ){ 
 obj.style.left=obj.offsetLeft + 350 - 20; 
 window.setTimeout("flyout(id('"+obj.id+"'));",0); 
 }else{ 
 obj.style.left=-275; 
 obj.style.zIndex=0; 
 flyin(id(obj.id)); 
 } 
 } 
 if(obj.offsetLeft>75){ 
 if( (obj.offsetLeft + 350 + 20) < 1125 ){ 
 obj.style.left=obj.offsetLeft + 350 + 20; 
 window.setTimeout("flyout(id('"+obj.id+"'));",0); 
 }else{ 
 obj.style.left=1125; 
 obj.style.zIndex=0; 
 flyin(id(obj.id)); 
 } 
 } 
} 
function flyin(obj){ 
 if(obj.offsetLeft<75){ 
 if( (obj.offsetLeft + 350 + 20) < 425 ){ 
 obj.style.left=obj.offsetLeft + 350 + 20; 
 window.setTimeout("flyin(id('"+obj.id+"'));",0); 
 }else{ 
 obj.style.left=425; 
 en=false; 
 } 
 } 
 if(obj.offsetLeft>75){ 
 if( (obj.offsetLeft + 350 - 20) > 425 ){ 
 obj.style.left=obj.offsetLeft + 350 - 20; 
 window.setTimeout("flyin(id('"+obj.id+"'));",0); 
 }else{ 
 obj.style.left=425; 
 en=false; 
 } 
 } 
} 
</script> 
 
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 <li>2009-4-9 12:35恋曲2000</li> 
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 </ul> 
 
 
 <ul> 
 <li>2009-4-9 12:35爱的箴言</li> 
 <li>2009-4-9 12:35爱人同志</li> 
 <li>2009-4-9 12:35思念</li> 
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 </ul> 
 
 
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 </ul> 
 
 
 <ul> 
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 </ul> 
 
</body> 
</html>

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js 拖拽翻页实现代码

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