PHP 长文章分页函数

<?php function ff_page($content,$page)

{

global $expert_id;

$PageLength = 2000; //每页字数

$CLength = strlen($content);

$PageCount = floor(($CLength / $PageLength)) + 1; //计算页数

$PageArray=array();

$Seperator = array("n","r","。","！","？","；","，","”","'"); //分隔符号

//echo "页数：".$PageCount."<br>";

//echo "长度：".$CLength."<br><br><br>";

//strpos() 函数返回字符串在另一个字符串中第一次出现的位置

if($CLength<$PageLength)

{

echo $content;

}else{

$PageArray[0]=0;

$Pos = 0;

$i=0;

//第一页

for($j=0;$j<sizeof($Seperator);$j++)

{

//echo $Seperator[$j];

$Pos=strpos($content,$Seperator[$j],$PageArray[$i]+1900);

while($Pos > 0 && $Pos < ($i+1)*$PageLength && $Pos > $i*$PageLength )

{

$PageArray[$i] = $Pos ;

$Pos = strpos($Pos+$PageLength,$content,$Seperator[$j]) ;

}

if($PageArray[$i]>0)

{

$j = $j + sizeof($Seperator) + 1;

}

}

//---

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

for($j=0;$j<sizeof($Seperator);$j++)

{

//echo $Seperator[$j];

$Pos=strpos($content,$Seperator[$j],$PageArray[$i-1]+1900);

while($Pos > 0 && $Pos < ($i+1)*$PageLength && $Pos > $i*$PageLength )

{

$PageArray[$i] = $Pos ;

$Pos = strpos($Pos+$PageLength,$content,$Seperator[$j]) ;

}

if($Pag(www.111cn.net)eArray[$i]>0)

{

$j = $j + sizeof($Seperator) + 1;

}

}

}

//--最后一页

$PageArray[$PageCount-1]=$CLength;

//$page=2;

if($page==1)

{

$output=substr($content,0,$PageArray[$page-1]+2);

}

if($page>1 && $page<=$PageCount)

{

$output=substr($content,$PageArray[$page-2]+2,$PageArray[$page-1]-$PageArray[$page-2]);

$output=" （上接第".($page-1)."页）n".$output;

}

echo str_replace("n","<br> ",$output);

//if($page==$PageCount)

//return $output=substr($content,$PageArray[$page-2]+2,$PageArray[$page-1]-$PageArray[$page-2]);

if($PageCount>1)

{

echo "<br><br><br><center>";

echo "<font color='ff0000'>".$page."</font>/".$PageCount." 页 ";

if($page>1)

echo "<a href=$PHP_SELF?expert_.($page-1).">上一页</a> ";

else

echo "上一页 ";

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

{

echo "<a href=$PHP_SELF?expert_.$i.">[".$i."]</a> ";

}

if($page<$PageCount)

echo " <a href=$PHP_SELF?expert_.($page+1).">下一页</a> ";

else

echo " 下一页 ";

echo "</center>";

}

}

}?>

<?php

$content1=''测试文字，尽量长一些，www.111cn.net";

$current=$_REQUEST['page_t'];

$result=ff_page($content1,$current);

echo $result;

?>

from:http://www.111cn.net/phper/21/7438a396c8bc31f863be9a7de13dd6a6.htm