纯JS长文章分页代码

如果只有一页，则不显示分页

<TABLE cellSpacing=1 cellPadding=5 width="95%" align=center

border=0>

<TBODY>

<TR>

<TD>

<DIV id=article></DIV><xml id=xmlArticle>

<Article>

<Info>

<Content>

<![CDATA[

大家来试验分页哦~~~~~[NextPage]我分~~~[NextPage]我再分[NextPage]分分分

]]>

</Content>

</Info>

</Article>

</xml>

<!--正文分页Js-->

<SCRIPT language=Javascript>

<!--

//每页显示字数

PageSize=1000;

//分页模式

flag=1;//1:根据字数自动分页 2:根据[NextPage]分页

//默认页

startpage = 1;

//导航显示样式 0:常规 1:直接 3:下拉

TopShowStyle = 1;

DownShowStyle = 0;

var currentSet,CutFlag,TotalByte,PageCount,key,tempText,tempPage;

key="";

currentSet=0;

var Text=xmlArticle.selectSingleNode("//Content").text;

TotalByte=Text.length;

if (flag==1)

{

PageCount=Math.round(TotalByte/PageSize);

if(parseFloat("0."+TotalByte%PageSize)>0){

if(parseFloat("0."+TotalByte%PageSize)<0.5){

PageCount=PageCount+1;

}

}

var PageNum=new Array(PageCount+1);

var PageTitle=new Array(PageCount+1);

PageNum[0]=0;

PageTitle[0]="";

var sDrv1,sDrv2,sDrv3,sDrv4,sFlag;

var sDrvL,sTemL;

var sTem1,sTem2,k;

sFlag=0;

for(j=1;j<PageCount+1;j++){

PageNum[j]=PageNum[j-1]+PageSize;

PageTitle[j]="";

//alert(j);

sDrv1="<br>";

sDrv2="<BR>";

sDrv3="<Br>";

sDrv4="<bR>";

sDrvL=sDrv1.length;

for(k=PageNum[j];k<=TotalByte;k++){

sTem1=Text.substring(PageNum[j]-sDrvL,k);

sTemL=sTem1.length;

sTem2=sTem1.substring(sTemL-sDrvL,sTemL)

if (sTem2==sDrv1 || sTem2==sDrv2 || sTem2==sDrv3 || sTem2==sDrv4)

{

sFlag=sFlag+1;

PageNum[j]=k;

break;

}

}

if (PageNum[j]>TotalByte)

{

break;

}

}

if (j<PageCount)

{

PageNum.length=j;

PageCount=j

}

if (PageCount>1&&sFlag>1&&PageCount<sFlag)

{

PageCount=sFlag+1;

}

}

function text_pagination(Page){

var Output,Byte;

if(Page==null){Page=1;}

Output="";

Output=Output+"<table width=100% height=30 border=0 align=center cellpadding=0 cellspacing=0>";

Output=Output+"<tr>";

Output=Output+"<td height=1 background=Images/DotLine.gif></td>";

Output=Output+"</tr>";

//头部功能导航条

Output=Output+"<tr>";

//正文查找

Output=Output+"<td align=right>";

//页码显示方式一

//第x页：分页标题

if (Page==0 || PageCount==0){

Output=Output+"当前是：<font color=red>全文显示</font>" ;

}

else{

if(TotalByte>PageSize){Byte=PageNum[Page]-PageNum[Page-1]}else{Byte=TotalByte};

if(TotalByte>PageSize){

Output=Output+"第 <font color=red>"+Page+"</font> 页";}

if (PageTitle[Page]!="")

{

Output=Output+"：<font color=800000>"+PageTitle[Page]+"</font>";

}

Output+=' ';

}

//显示方式二

//下拉菜单选择

//if (PageCount>0)

//{

// Output=Output+Article_PageNav(2,Page);

// Output=Output+" </td>";

//}

//显示方式三

//页码选择列表

//Output=Output+"<td align=right bgcolor=#f0faff>";

//Output=Output+Article_PageNav(0,Page);

//Output=Output+"</td>";

Output=Output+"</tr>";

Output=Output+"<tr>";

Output=Output+"<td height=1 background=Images/DotLine.gif></td>";

Output=Output+"</tr>";

Output=Output+"</table>";

//显示正文

if(Page==0) {

//不分页

tempText=Text;

}

else{

//分页

if (flag==1)

//自动分页

{

tempText=Text.substring(PageNum[Page-1],PageNum[Page]);

}

else{

//手动分页

if (PageTitle[Page-1].length==0)

{

tempText=Text.substring(PageNum[Page-1]+10,PageNum[Page]);

}

else{

tempText=Text.substring(PageNum[Page-1]+11+PageTitle[Page-1].length,PageNum[Page]);

}

}

}

//布置内容

Output=Output+"<div align=center>";

Output=Output+Article_PageNav(TopShowStyle,Page);

Output=Output+"</div>";

Output=Output+"<div id=world>";

Output=Output+tempText;

Output=Output+"</div>";

Output=Output+"<br>";

Output=Output+"<div align=center>";

Output=Output+Article_PageNav(DownShowStyle,Page);

Output=Output+"</div>";

article.innerHTML = Output;

if (Page>1)

{

document.location.href='#top';

}

eval_r(document.all.keys).value=key;

if (key!=""){searchkey();}

}

function Article_PageNav(ShowStyle,Page){

//分页码显示函数

//参数为调用样式，0=简单样式，1=标准样式

var temp="";

if (ShowStyle==0)

//简单样式

{

tempPage=Page;

if(TotalByte>PageSize){

if (Page-4<=1){

temp=temp+"<font face=webdings color=#999999>9</font>";

if (Page<=1){temp=temp+"<font face=webdings color=#999999>7</font>";}else{temp=temp+"<a href=javascript:text_pagination("+(Page-1)+")><font face=webdings>7</font></a>";}

if (PageCount>10){

for(i=1;i<8;i++){

if (i==Page){

temp=temp+"<font color=red>"+i+"</font> ";

}else{

temp=temp+"<a href=javascript:text_pagination("+i+") >"+i+"</a>"+" ";

}

}

temp=temp+" ...";

}

else{

for(i=1;i<PageCount+1;i++){

if (i==Page){

temp=temp+"<font color=red>"+i+"</font> ";

}

else{

temp=temp+"<a href=javascript:text_pagination("+i+") >"+i+"</a>"+" ";

}

}

}

if (Page==PageCount){temp=temp+"<font face=webdings color=#999999>8</font>";}else{temp=temp+"<a href=javascript:text_pagination("+(Page+1)+")><font face=webdings>8</font></a>";}

if(PageCount<10){temp=temp+"<font face=webdings color=#999999>:</font>";}else{temp=temp+"<a href=javascript:text_pagination("+PageCount+")><font face=webdings>:</font></a>";}

}

else if(Page+4<=PageCount){

temp=temp+"<a href=javascript:text_pagination(1)><font face=webdings>9</font></a>";

temp=temp+"<a href=javascript:text_pagination("+(Page-1)+")><font face=webdings>7</font></a>";

if (PageCount>10){

temp=temp+"..";

for(i=Page-4;i<Page+4;i++){

if (i==Page){

temp=temp+"<font color=red>"+i+"</font> ";

}

else{

temp=temp+"<a href=javascript:text_pagination("+i+") >"+i+"</a>"+" ";

}

}

temp=temp+" ..";

}

else{

for(i=1;i<PageCount+1;i++){

if (i==Page){

temp=temp+"<font color=red>"+i+"</font> ";

}

else{

temp=temp+"<a href=javascript:text_pagination("+i+") >"+i+"</a>"+" ";

}

}

}

if (Page==PageCount){temp=temp+"<font face=webdings color=#999999>8</font>";}else{temp=temp+"<a href=javascript:text_pagination("+(Page+1)+")><font face=webdings>8</font></a>";}

temp=temp+"<a href=javascript:text_pagination("+PageCount+")><font face=webdings>:</font></a>";

}

else{

temp=temp+"<a href=javascript:text_pagination(1)><font face=webdings>9</font></a>";

temp=temp+"<a href=javascript:text_pagination("+(Page-1)+")><font face=webdings>7</font></a>";

temp=temp+".."

for(i=Page-2;i<PageCount+1;i++){

if (i==Page){

temp=temp+"<font color=red>"+i+"</font> ";

}

else{

temp=temp+"<a href=javascript:text_pagination("+i+") >"+i+"</a>"+" ";

}

}

if (Page==PageCount){temp=temp+"<font face=webdings color=#999999>8</font>";}else{temp=temp+"<a href=javascript:text_pagination("+(Page+1)+")><font face=webdings>8</font></a>";}

temp=temp+"<font face=webdings color=#999999>:</font>";

}

}

else{

if(TotalByte>PageSize)

{

temp=temp+"<font color=red>1</font> ";

}

}

if(TotalByte>PageSize)

{

temp=temp+" <a href=javascript:text_pagination(0)>显示全部</a>"

}

}

else if (ShowStyle==1)

//标准样式

{

if(TotalByte>PageSize){if(Page!=0){if(Page!=1){temp=temp+"<a href='#top' onclick=javascript:text_pagination("+(Page-1)+")><font color=3366cc>[上一页]</font></a>  ";}}}

for (i=1;i<PageCount+1 ;i++ )

{

if (Page==i)

{

if(Page!=PageCount){

temp=temp+"<font color=800000>["+i+"]</font>  ";

}

}

else{

temp=temp+"<a href='#top' onclick=javascript:text_pagination("+i+")><font color=3366cc>["+i+"]</font></a>  ";

}

}

temp=temp+"<a name='foot'></a>";

if(TotalByte>PageSize){if(Page!=0){if(Page!=PageCount){temp=temp+"<a href='#top' onclick=javascript:text_pagination("+(Page+1)+")><font color=3366cc>[下一页]</font></a> <a href=javascript:text_pagination(0)><font color=3366cc>显示全部</font></a>";}}}

}

return (temp);

}

//默认页

text_pagination(startpage);

//-->

</SCRIPT>

</TD></TD></TR></TBODY></TABLE></TD></TR>

</TBODY></TABLE>