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 = "&nbsp", $right = "&nbsp") //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."";
}
}
}