<!--二泉.net --> <? class Pages{     var $cn;        //连接数据库游标     var $d;            //连接数据表的游标     var $result;    //结果     var $dsn;        //dsn源     var $user;        //用户名         var $pass;        //密码     var $total;        //记录总数     var $pages;        //总页数     var $onepage;    //每页条数     var $page;        //当前页     var $fre;        //上一页     var $net;        //下一页     var $i;            //控制每页显示     function getConnect($dsn,$user,$pass){         $this->cn=@odbc_connect($dsn,$user,$pass);         if(!$this->cn){             $error="连接数据库出错";             $this->getMess($error);         }     }     function getDo($sql){//从表中查询数据         $this->d=@odbc_do($this->cn,$sql);         if(!$this->d){             $error="查询时发生了小错误......";             $this->getMess($error);         }         return $this->d;     }     function getTotal($sql){         $this->sql=$sql;         $dT=$this->getDo($this->sql);        //求总数的游标         $this->total=odbc_result($dT,'total');//这里为何不能$this->d呢？         return $this->total;     }     function getList($sql,$onepage,$page){         $this->s=$sql;         $this->onepage=$onepage;         $this->page=$page;         $this->dList=$this->getDo($this->s);    //连接表的游标         $this->pages=ceil($this->total/$this->onepage);         if($this->pages==0)             $this->pages++; //不能取到第0页         if(!isset($this->page))             $this->page=1;         $this->fre = $this->page-1;                    //将显示的页数         $this->nxt = $this->page+1;         $this->nums=($this->page-1)*$this->onepage;         //if($this->nums!=0){         //    for($this->i=0;$this->i<$pg->getNums();odbc_fetch_row($this->dd),$this->i++);//同上         //}         //$this->i=0;//为何这部分不能封装？         return $this->dList;     }     function getFanye(){         $str="";         if($this->page!=1)             $str.="<a href=".$PHP_SELF."?page=1> 首页 </a><a href=".$PHP_SELF."?page=".$this->fre."> 前页 </a>";             else                 $str.="<font color=999999>首页 前页</font>";         if($this->page<$this->pages)             $str.="<a href=".$PHP_SELF."?page=".$this->nxt."> 后页 </a>";             else                 $str.="<font color=999999> 后页 </font>";         if($this->page!=$this->pages)             $str.="<a href=".$PHP_SELF."?page=".$this->pages."> 尾页 </a>";             else                 $str.="<font color=999999> 尾页 </font>";         $str.="共".$this->pages."页";         $str.="您正浏览第<font color=red>".$this->page."</font>页";         return $str;     }     function getNums(){         return $this->nums;     }     function getOnepage(){//每页实际条数         return $this->onepage;     }     function getI(){         return $this->i;     }     function getPage(){         return $this->page;     }     function getMess($error){//定制消息         echo"<center>$error</center>";         exit;     } } $pg=new Pages(); $pg->getConnect("lei","sa","star"); $pg->getTotal("select count(*) as total from xs");            //连学生表求总数 $pg->getList("select xs_name from xs order by xs_id",8,$page); if($pg->getNums()!=0){     for($i=0;$i<$pg->getNums();odbc_fetch_row($pg->dList),$i++);//同上 } $i=0; while(odbc_fetch_row($pg->dList)){     $name=odbc_result($pg->dList,"xs_name");     echo $name."<br>";     if($i==$pg->getOnepage()){//跳出循环         break;     }     $i++; } echo$pg->getFanye(); ?>