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純JS長文章分頁代碼

<HTML><HEAD><TITLE>純JS長文章分頁代碼</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<META NAME="Author" CONTENT="</HEAD>
<BODY bottomMargin=0 leftMargin=0 topMargin=0 rightMargin=0>
<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[
大家來試驗分頁哦~~~~~[NextPage]我分~~~[NextPage]我再分[NextPage]分分分
]]>
</Content>
</Info>
</Article>
</xml>

<SCRIPT language=Javascript>
<!--
//每頁顯示字數
PageSize=5000;
//分頁模式
flag=2;//1:根據字數自動分頁 2:根據[NextPage]分頁
//默認頁
startpage = 1;
//導航顯示樣式 0:常規 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("http://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;
??}
?}
?else{
??//手動分頁
??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 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>";

??//頭部功能導航條
??Output=Output+"<tr>";

???//正文查找
???
???Output=Output+"<td align=left bgcolor=#f0faff width='40%'> ";?
???Output=Output+"<input type=text name=keys onchange='key=this.value' size=12> <input type=button name=search value='查找正文' onclick='searchkey();' style='width:60'>";
???Output=Output+"</td>";
???
???Output=Output+"<td align=right bgcolor=#f0faff>";

???//頁碼顯示方式一
???//第x頁：分頁標題
???if (Page==0 || PageCount==0){
????Output=Output+"當前是：<font color=red>全文顯示</font>" ;????
???}
???else{
????if(TotalByte>PageSize){Byte=PageNum[Page]-PageNum[Page-1]}else{Byte=TotalByte};
????Output=Output+"第 <font color=red>"+Page+"</font> 頁";
????if (PageTitle[Page]!="")
????{
?????Output=Output+"：<font color=800000>"+PageTitle[Page]+"</font>";
????}
????Output+=' ';
???}

???//顯示方式二
???//下拉菜單選擇
???//if (PageCount>0)
???//{
???//?Output=Output+Article_PageNav(2,Page);
???//?Output=Output+" </td>";
???//}

???//顯示方式三
???//頁碼選擇列表
???//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>";

??//顯示正文
??if(Page==0)?{
??//不分頁
???tempText=Text;
??}
??else{
??//分頁
???if (flag==1)
???//自動分頁
???{
????tempText=Text.substring(PageNum[Page-1],PageNum[Page]);?
???}
???else{
???//手動分頁
????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]);
????}
???}
??}
??
??//布置內容
??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(document.all.keys).value=key;
??if (key!=""){searchkey();}
?}
?
?function searchkey(){
??//正文查找函數
??
??h="<font class=keyworld>";
??f="</font>";
??keyset=new Array();
??key=document.all.keys.value;
??if (key==""){
???alert("請輸入關鍵字！");
???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 Article_PageNav(ShowStyle,Page){
?//分頁碼顯示函數
?//參數為調用樣式，0=簡單樣式，1=標準樣式
??var temp="";

??if (ShowStyle==0)
??//簡單樣式
??{
???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>"+" ";
??????}
?????}

???temp=temp+" <a href=javascript:text_pagination(0)>顯示全部</a>"
??}
??else if (ShowStyle==1)
??//標準樣式
??{
???if(TotalByte>PageSize){if(Page!=0){if(Page!=1){temp=temp+"<a href='#top' onclick=javascript:text_pagination("+(Page-1)+")><font color=3366cc>[上一頁]</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>[下一頁]</font></a>";}}}

???temp=temp+" <a href=javascript:text_pagination(0)><font color=3366cc>顯示全部</font></a>"
??}
??else if (ShowStyle==2)
??//下拉菜單樣式
??{
???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+" 頁"
??????
????}
????else{
?????temp=temp+"<option value='"+i+"'>第 "+i+" 頁";
????}
????if (PageTitle[i].length!=0)
????{
?????temp=temp+'：'+PageTitle[i];
????}
????temp=temp+"</option>";
???}
???temp=temp+"</select>";
??}

??return (temp);
?}

//默認頁
text_pagination(startpage);
//-->
</SCRIPT></TD></TD></TR></TBODY></TABLE></TD></TR>
</TBODY></TABLE>

posted on 2007-01-31 17:27 java_蟈蟈閱讀(4346) 評論(2) 編輯收藏所屬分類: JAVASCRIPT


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