js实现拖拽分页【转】

来源：互联网发布：美林数据知乎编辑：程序博客网时间：2024/06/05 18:31

鼠标拖拽分页

<html>

<head>

<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:#3300CC;

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;

}

text-decoration:none;

color:#999;

}

a:hover{

font-weight:bold;

}

li span{

float:right;

color:#66FFCC;

}

.tip{

display:block;

width:100%;

font-size:12px;

color:#FF33FF;

text-align:center;

margin:10px 0px 20px;

}

</style>

</head>

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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</body>

</html>