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Javascript 中的 新闻内页-JS分页

出处:互联网   整理: 软晨网（RuanChen.com）   发布: 2009-09-12   浏览: 82 ::
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'//判断内容里是不是包含这个分页标签
if instr(cinfo,"[NextPage]")>0 then
flag=1
else
flag=0
end if
'//设置参数
<script language="Javascript" >
var Text,PageSize,flag
Text="<%=DealJsText(cinfo)%>";
PageSize=1500;
flag=<%=flag%>;
</script>
'//JS文件包函
<script language="Javascript" src="CutArticle.js"></script>
'//文本显示
<span class="news">
<div id="article" style="font-size:12px;"></div>
<script language="JavaScript">
if (flag==1 || flag==2){
text_pagination(1);
}
else{
article.innerHTML=Text;
}
</script>
</span>
'//下面为JS文本处理函数
function DealJsText(Str)
if not isnull(Str) then
Dim re,po,ii
Str = Replace(Str, CHR(9), " ")
Str = Replace(Str, CHR(39), "'")
Str = Replace(Str, CHR(13), "")
Str = Replace(Str, CHR(10) & CHR(13), "</P><P> ")
Str = Replace(Str, CHR(10), "")
Str = Replace(Str, "‘", "'")
Str = Replace(Str, "'", "'")
Str = Replace(Str, "\", "\\")
Str = Replace(Str, CHR(32), " ")
Str = Replace(Str, CHR(34), "\""")
Str = Replace(Str, CHR(39), "'")
Set re=new RegExp
re.IgnoreCase =true
re.Global=True
po=0
ii=0
re.Pattern="(javascript)"
Str=re.Replace(Str,"<I>javascript</I>")
re.Pattern="(jscript:)"
Str=re.Replace(Str,"<I>jscript:</I>")
re.Pattern="(js:)"
Str=re.Replace(Str,"<I>js:</I>")
re.Pattern="(</SCRIPT>)"
Str=re.Replace(Str,"</script>")
re.Pattern="(<SCRIPT)"
Str=re.Replace(Str,"<script")
DealJsText = Str
End if
end Function
'//下面为JS文件　CutArticle.js
var currentSet,CutFlag,TotalByte,PageCount,key,tempText,tempPage;
key="";
currentSet=0;
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;
}
}
else{
//手动分页
var j,sFlag,PageCount,sText;
var sTitleFlag;
var PageNum=new Array();
var PageTitle=new Array();
PageSize=0;
j=1;
PageNum[0]=-10;
PageTitle[0]="";
sFlag=0;
sText=Text;
do
{
sText=Text.substring(PageNum[j-1]+10,TotalByte);
sFlag=sText.indexOf("[NextPage");
if (sText.substring(sFlag+9,sFlag+10)=="=")
{
sTitleFlag=sText.indexOf("]",sFlag);
PageTitle[j]=sText.substring(sFlag+10,sTitleFlag);
}
else{
PageTitle[j]="";
}
if (sFlag>0)
{
PageNum[j]=sFlag+PageNum[j-1]+10;
}
else{
PageNum[j]=TotalByte;
}
j+=1;
}
while (PageNum[j-1]<TotalByte);
PageCount=j-1;
}
function CovertCRLFToBR(s)
{
var i;
var s2 = s;
while(s2.indexOf("[NextPage]")>0)
{
i = s2.indexOf("[NextPage]");
s2 = s2.substring(0, i) + "" + s2.substring(i + 10, s2.length);
}
return s2;
}
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=left width='40%'> ";
Output=Output+"<input type=hidden name=keys class=iptA onchange='key=this.value' size=12> <input type=hidden class=btnA name=search value='查找正文' onclick='searchkey();' style='width:60'>";
Output=Output+"</td>";
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};
Output=Output+"第 <font color=red>"+Page+"</font> 页";
if (PageTitle[Page]!="")
{
Output=Output+"：<font color=800000>"+PageTitle[Page]+"</font>";
}
}
//显示方式二
//下拉菜单选择
//if (PageCount>0)
//{
// Output=Output+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+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=CovertCRLFToBR(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]);
}
}
}
Output=Output+"<div id=world>";
Output=Output+tempText;
Output=Output+"</div>";
Output=Output+"<br>";
Output=Output+"<div align=center>";
Output=Output+PageNav(1,Page);
Output=Output+"</div>";
article.innerHTML = Output;
document.location.href='#';
eval(document.all.keys).value=key;
if (key!=""){searchkey();}
}
function searchkey(){
//正文查找函数
h="<font class=keyworld>";
f="</font>";
keyset=new Array();
key=document.all.keys.value;
if (key==""){
alert("请输入关键字！");
return;
}
else{
keyset[0]=tempText.indexOf(key,0);
if (keyset[0]<0){
return;
}else
temp=tempText.substring(0,keyset[0]);
temp=temp+h+key+f;
temp2=tempText.substring(keyset[0]+key.length,tempText.length);
for (i=1;i<tempText.length;i++) {
keyset[i]=tempText.indexOf(key,keyset[i-1]+key.length);
if(keyset[i]<0){
temp=temp+tempText.substring(keyset[i-1]+key.length,tempText.length);
break;
}else{
temp=temp+tempText.substring(keyset[i-1]+key.length,keyset[i])+h+key+f;
}
}
world.innerHTML = temp;
}
}
function 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{
temp=temp+"<font color=red>1</font> ";
}
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)
{
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>";}}}
temp=temp+" <a href=javascript:text_pagination(0)><font color=3366cc>显示全部</font></a>"
}
else if (ShowStyle==2)
//下拉菜单样式
{
temp=temp+'<select onchange="text_pagination(this.value)">'
for (i=1;i<PageCount+1 ;i++ )
{
if (Page==i)
{
temp=temp+"<option value='"+i+"' selected style='color:red'>第 "+i+" 页"
}
else{
temp=temp+"<option value='"+i+"'>第 "+i+" 页";
}
if (PageTitle[i].length!=0)
{
temp=temp+'：'+PageTitle[i];
}
temp=temp+"</option>";
}
temp=temp+"</select>";
}
return (temp);
}