wap开发篇---大文章截取无乱码(utf-8)

Ralf_Jones 2006-12-18

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标题: wap开发篇---大文章截取无乱码(utf-8) [打印本页]

作者: 游子云 时间: 2005-11-14 12:42 AM 标题: wap开发篇---大文章截取无乱码(utf-8)

CODE: [Copy to clipboard]

<?
/***********************************************************
Copyright (C), 2005,
Author: 游子云
Description:
Version: 1.0
Date： 2005-11-13
************************************************************/
 class strPage
{
var $PageWordNum;
var $CLength;
var $PageLength;
var $content;
var $clen;
var $start;
var $PageWordNum;
var $content;
var $stringLen;
var $tmpstr;
var $page;
var $url_str;
var $PageCount;
function SubstrGB($content,$start,$PageWordNum)
{
 $this->start=$start;
$this->content=strip_tags($content);
$this->PageWordNum=$PageWordNum;
$this->stringLen=mb_strlen($this->content);
$this->clen=0;
for($i=0;$i<$this->stringLen;$i++,$this->clen++)
{
if ($this->clen>=$this->start+$this->PageWordNum)
break;
if(ord(mb_substr($this->content,$i,1))>0xa0)
{
if ($this->clen>= $this->start)
$this->tmpstr.=mb_substr($this->content,$i,2);
$i++;
}
else
{
if ($this->clen>= $this->start)
$this->tmpstr.=mb_substr($this->content,$i,1);
}
}
return $this->tmpstr;
}

function ff_page($page,$url_str)
{
$this->page=$page;
$this->url_str=$url_str;
$this->PageLength = $this->PageWordNum*2; //每页字数
$this->PageCount = ceil(($this->stringLen/$this->PageWordNum)); //计算页数
//--最后一页
if($this->PageCount>1)
{
$this->tmpstr= " <center>";
$this->tmpstr.= (iconv("gb2312","UTF-8","第"))."".$this->page."".(iconv("gb2312","UTF-8","页共")).$this->PageCount.(iconv("gb2312","UTF-8","页"))." ";

if($this->page>1)
$this->tmpstr.= "<a href=\"".$PHP_SELF."?".$this->url_str."&f_page=".($this->page-1)."\">".(iconv("gb2312","UTF-8","上一页"))."</a> ";
else
$this->tmpstr.= iconv("gb2312","UTF-8","上一页");
 if ((intval($this->page/10))<(intval($this->PageCount/10)))
 {
 $pg=(ceil($this->page/10))*10;
 $i=(ceil($this->page/10)-1)*10+1;
 }
 elseif((intval($this->page/10))==(intval($this->PageCount/10)))
 {
$i=intval($this->PageCount/10)*10+1;
$pg=($this->PageCount-(intval($this->PageCount/10))*10)+(intval($this->PageCount/10))*10;
 }
 else{
 $pg=10;
 $i=1;
 }

for($i;$i<=$pg;$i++)
{
 if ($i==$this->page) {
$this->tmpstr.= "<a href=\"".$PHP_SELF."?".$this->url_str."&f_page=".$i."\">[".$i."]</a> ";
 }
 else {
 $this->tmpstr.= "<a href=\"".$PHP_SELF."?".$this->url_str."&f_page=".$i."\">".$i."</a> ";
 }
}

if($this->page<$this->PageCount)
$this->tmpstr.= " <a href=\"".$PHP_SELF."?".$this->url_str."&f_page=".($this->page+1)."\">".(iconv("gb2312","UTF-8","下一页"))."</a>";
else
$this->tmpstr.= (iconv("gb2312","UTF-8","下一页"));

$this->tmpstr.= "</center>";
 }
return $this->tmpstr;
}//end

}

?>

[ Last edited by 游子云 on 2005-11-14 at 12:47 AM ]

作者: 游子云 时间: 2005-11-14 12:46 AM

CODE: [Copy to clipboard]

实例化
$comment=""//你要输出的文件
if (isset($_GET[‘f_page‘]))
{
$f_page= intval($_GET[‘f_page‘]);
}
else
{
$f_page=1;
}
$PageWordNum=200;
$str_page=new strPage();
$scomment= $str_page->SubstrGB($comment,($f_page-1)*$PageWordNum,$PageWordNum);
//echo $scomment;
echo (iconv("gb2312","UTF-8",$scomment));
$spage=$str_page->ff_page($f_page,$url_str);
echo $spage;