php mysql分页实现代码

这算是一款比较完美的分页类了，支持表单输入跳转，也支持select跳转分页，同时还支持上10页，下10页偏移分页哦。 */

这算是一款比较完美的分页类了，支持表单输入跳转，也支持select跳转分页，同时还支持上10页，下10页偏移分页哦。
*/

class wind_page 
{
    var $page;
      //现在所在页
    var $total;
      //记录总条数
    var $totalpage;
     //总页树
    var $pagesize;
      //每页显示条数
    var $offset;
      //偏移量
    var $result;
      //记录集合
    var $thispage;
      //记录总条数 //记录总条数 //记录总条数
    var $link;
      //连接（记录$_get变量）
    var $bar_mun;
      //bar显示的页数
    var $starttime;
      //开始时间
    var $bar_last;
      //导航条的持续页数
    var $bar_mid;
      //导航条中间页
    var $minpage;
      //导航条最小页
    var $maxpage;
      //导航条最大页
    var $key;
      //标识分页(一个页面多个分页时用与区分)
    var $style;
      //输出的风格
    var $pre_page_char;
      //上一页
    var $pre_page_image;
      //上一页图形
    var $pre_page_char_color;
      //上一页字体颜色
    var $next_page_char;
      //下一页
    var $next_page_image;
      //下一页图形
    var $next_page_char_color;
      //下一页字体颜色
    var $pre_groud_char;
      //上翻中间页数
    var $pre_groud_char_color;
      //上翻中间页数字体颜色
    var $next_groud_char;
      //下翻中间页数
    var $next_groud_char_color;
    //下翻中间页数字体颜色
    var $first_page_char;
    //首页
    var $first_page_char_color;
    //首页字体颜色
    var $last_page_char;
    //尾页
    var $last_page_char_color;
    //尾页字体颜色
    var $html_page_val;
    //html当前的页码值
    
    function wind_page($sql, $pagesize = 20, $bar_mun = 10, $style = 1,$this_page = 1,$html_page_val=1,$key = "") //构造函数（）
    {
        $this->starttime = microtime();
        $this->pagesize = $pagesize;
          //每页显示条数
        $this->key = trim($key);
        $this->bar_mun = $bar_mun;
        $this->style = $style;
        $this->html_page_val = $html_page_val;
        //html当前的页码值
        $this->bar_last = $bar_mun-1;
        $this->bar_mid = floor($bar_mun/2);
        $this->sql = $sql;
        $result = mysql教程_query($this->sql);
        $this->total = mysql_num_rows($result);
        //记录总条数
        $this->totalpage = ceil($this->total/$this->pagesize);
        //总页数
        //$this->page = ceil($_get[$this->key."page"]);
        $this->page = $this_page;
        //现在所在页
        if ($this->page == "" || $this->page page))$this->page = 1;
        $this->page = min($this->page, $this->totalpage);
        $this->thispage = $this->pagesize;
        if ($this->page * $this->pagesize > $this->total) {
            $this->thispage = $this->total-($this->page-1) * $this->pagesize;
        };
        $this->sql .= " limit ".($this->pagesize * ($this->page-1)).", ".$this->pagesize;
          //开始读取的条数
       //echo "
";
        $this->result = mysql_query($this->sql);
        $this->getvar();
       
        $this->pre_page_char = "上一页";
        $this->pre_page_image = "";
        $this->next_page_char = "下一页";
        $this->next_page_image = "";
        $this->pre_groud_char = "上一组";
        $this->next_groud_char = "下一组";

    }
   
    function getvar() //取得除page外的其他get变量
    {
        $this->link = "";
        foreach($_get as $key => $vaule) {
            if (strtolower($key)  !== $this->key."page") $this->link  .= "&$key=$vaule";
        }
    }
    
    function pre_page($color="#909090",$sign=0) //上一页
    {
        if ($this->page > 1) { 
            return "page-1).".html" class="ab">pre_page_char_color."">".$this->pre_page_char."";
        } else
        {
           return "".$this->pre_page_char."";
        }
      
    }
    
    function next_page($color="#909090",$sign=0) //下一页
    {
        if ($this->page totalpage) {
          
              return "page+1).".html" class="ab">".$this->next_page_char."";
           
        } else {
          
             return "".$this->next_page_char."";
        }
    }
    
    function pre_groud($char = "     {
        if ($this->page bar_mid+1)) {
            return "".$this->pre_groud_char."";
            //return $this->pre_groud_char;
        } else {
            $pre_gpage = ($this->page-$this->bar_mid             $this->page-$this->bar_mid;
            return "".$this->pre_groud_char."";
        }
    }
    
    function next_groud($char = ">>", $color = "#909090") //下一组
    {
        if (($this->totalpage-$this->page) bar_mid-1)) {
            return "".$this->next_groud_char."";
        } else {
            $next_gpage = ($this->page+$this->bar_mid totalpage)?$this->page+$this->bar_mid:
            $this->totalpage;
            return "".$this->next_groud_char."";
        }
    }
    
    function mun($lcolor = "#ff6633", $acolor = "#ff6633", $left = " ", $right = " ") //数字导航栏
    {
        $link = "";
        $this->minpage = ($this->page-$this->bar_mid page-$this->bar_mid);
        $this->maxpage = $this->minpage+$this->bar_last;
        if ($this->maxpage > $this->totalpage) {
            $this->maxpage = $this->totalpage;
            $this->minpage = ($this->maxpage-$this->bar_last maxpage-$this->bar_last;
        }
       for($i = $this->minpage; $i maxpage; $i++)
        {
         /* 循环输出页码 */
            $i = sprintf("%02d",$i);
            //不足两位的前面补0
            $char = $left.$i.$right;
            //导航条左右两边加窄
            if ($i == $this->page)
            {
             /* 假如是当前页则不加链接 */
                $link.= "".$char."";
            }
            else
             {
                //$link  .= "key."page=".$i.$this->link."" >".$char."";
                $link.= "".$char."";
                //关键把$link 加在新资料加入之后
            }
        }
        echo "
";
        return $link;
    }
    
    
    function jump_bar($class = "jump_bar") //下拉跳转
    {
        $link = "";
        for($i = $this->minpage; $i maxpage; $i++) {
            if ($i             //定义选择不超过10个
            if($this->page == $i)
            {
             /* 假如为当前页码，则选中 */
             $link  .= "第".$i."页";
            }
            else
            {
              $link  .= "第".$i."页";
            }
        }
        $link  .= "";
        return $link;
    }
    
    function mun_bar() //整条数字导航栏  [][>>]
    {
        //return $this->first_groud().$this->pre_groud().$this->pre_page().$this->mun().$this->next_page().$this->next_groud().$this->last_groud();
        return $this->pre_groud()." ".$this->pre_page().$this->mun().$this->next_page()." ".$this->next_groud();
    }
    function page_button()
    { //整条数字导航栏  []
        //return $this->first_groud().$this->pre_groud().$this->pre_page().$this->mun().$this->next_page().$this->next_groud().$this->last_groud();
        return $this->pre_page('#909090',1).$this->mun().$this->next_page('#909090',1);
    }
    
    function total_bar($coloro = "#000000", $colorn = "red") //统计数字  页次:1/4310 每页:20 共计:4310页 本页:20
    {
        return "页次:$this->page/$this->totalpage 每页:$this->pagesize 共计:$this->totalpage页  本页:$this->thispage";
    }
    
    // 整条导航栏
    //页次:1/4310 每页:20 共计:4310页 本页:20 [][>>]
    function page_bar($coloro = "#000000", $colorn = "red") {
        return "

           
           
           
           
           
           
           
           

".$this->total_bar()."

".$this->mun_bar()."

".$this->jump_bar()."

".$this->mm_jumpmenu();
    }
    
    function taketime($color = "#000000") //计算执行时间
    {
        return "

本页执行时间".abs((microtime()-$this->starttime) * 1000)."毫秒

";
    }
    
    function style() //输出分页的样式
    {
        $style_num = $this->style;
        
        if ($this->totalpage  != 0) //如果总页数=0 ,表示无分页
        {
            switch($style_num) {
                case 1:
                return $this->page_bar();
                //页次:1/4310 每页:20 共计:4310页 本页:20 [][>>]
                break;
                case 2:
                echo $this->mun_bar();
                //整条数字导航栏  [][>>]
                break;
                case 3:
                echo $this->page_button();
                //整条数字导航栏  []
                break;
            }
        }
    }
    
    function mm_jumpmenu() //网页特效的跳转
    {
        //window.open(selobj.options[selobj.selectedindex].value,targ);
        return "";
    }
    
    function first_groud($char = "          if ($this->page == 1) {
            return "".$char."";
        } else {
            //$pre_gpage=($this->page-$this->bar_midpage-$this->bar_mid;
            $pre_gpage = 1;
            return "key."page=".$pre_gpage.$this->link."" title="上一组">".$char."";
        }
    }
    
    function last_groud($char = " >>", $color = "#000000") {
        if ($this->page == $this->totalpage) {
            return "".$char."";
        } else {
            //$pre_gpage=($this->page-$this->bar_midpage-$this->bar_mid;
            $pre_gpage = $this->totalpage;
            return "key."page=".$pre_gpage.$this->link."" title="上一组">".$char."";
        }
    }
}