JavaScript 拖拽翻页效果代码

时间：2020-10-14 10:04:06|栏目：JavaScript代码|点击：次

<html> <head> <title>拖拽翻页效果JavaScript特效-demo by https://www.jb51.net</title> <style type="text/css"> html,body{     width:100%;     height:100%;     border:0px;     margin:0px;     overflow:hidden; } #menu{     width:1000px;     height:500px;     overflow:hidden;     background:lightblue; } .page{     position:absolute;     width:300px;     height:400px;     left:350px;     top:50px;     background:#FFF;     border:1px solid #999; } ul{     list-style:none;     height:320px;     margin:20px;     padding:0px;     background:#EEE; } li{          font-size:12px;     height:20px;     line-height:20px;     border-bottom:1px dashed #999; } li span{     float:right; } li a{     color:#000;     text-decoration:none; } li a:hover{     text-decoration:underline; } .tip{     display:block;     height:20px;     margin:0px 20px;     line-height:20px;     text-align:center;     font-size:12px;     background:#999; } </style> </head> <body> <script type="text/javascript"> function id(obj){     return document.getElementById(obj); } var page; var mx; var md=false; var sh=0; var en=false; window.onload=function(){     page=id("menu").getElementsByTagName("div");     if(page.length>0){         page[0].style.zIndex=2;     }     for(i=0;i<page.length;i++){         page[i].innerHTML+="<span class=\"tip\">"+(i+1)+"/"+page.length+"页 拖拽翻页</span>";         page[i].id="page"+i;         page[i].i=i;         page[i].onmousedown=function(e){             if(!en){                 if(!e){e=e||window.event;}                 ex=e.pageX?e.pageX:e.x;                 mx=350-ex;                 this.style.cursor="move";                 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;}                 ex=e.pageX?e.pageX:e.x;                 this.style.left=ex+mx+"px";                 if(this.offsetLeft<350){                     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>350){                     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(this.offsetLeft==350){                 en=false;             }             if(document.all){                 this.releaseCapture();             }else{                 window.releaseEvents(Event.MOUSEMOVE|Event.MOUSEUP);             }             flyout(this);         }     } } function flyout(obj){     if(obj.offsetLeft < 350){         if( (obj.offsetLeft - 10) > 50 ){             obj.style.left=obj.offsetLeft - 10 + "px";             window.setTimeout("flyout(id('"+obj.id+"'));",0);         }else{             obj.style.left= 50 +"px";             obj.style.zIndex=0;             flyin(id(obj.id));         }     }     if(obj.offsetLeft > 350){         if((obj.offsetLeft + 10) < 650){             obj.style.left=obj.offsetLeft + 10 + "px";             window.setTimeout("flyout(id('"+obj.id+"'));",0);         }else{             obj.style.left= 650 + "px";             obj.style.zIndex=0;             flyin(id(obj.id));         }     } } function flyin(obj){     if(obj.offsetLeft<350){         if((obj.offsetLeft + 10) < 350){             obj.style.left=obj.offsetLeft + 10+"px";             window.setTimeout("flyin(id('"+obj.id+"'));",0);         }else{             obj.style.left= 350 +"px";             en=false;         }     }     if(obj.offsetLeft>350){         if((obj.offsetLeft - 10) > 350){             obj.style.left=obj.offsetLeft - 10 +"px";             window.setTimeout("flyin(id('"+obj.id+"'));",0);         }else{             obj.style.left=350+"px"; 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