page.php
复制代码 代码如下:
countall = $countall;
$this->countlist = $countlist;
$this->style=$style;
if ($this->countall%$this->countlist!=0){
$this->page=sprintf(%d,$this->countall/$this->countlist)+1;
}else{
$this->page=$this->countall/$this->countlist;
}
$this->pg=$_get[pg];
//保证pg在未指定的情况下为从第1页开始
if (!ereg(^[1-9][0-9]*$,$this->pg) || empty($this->pg)){
$this->pg=1;
}
//页码超出最大范围，取最大值
if ($this->pg>$this->page){
$this->pg=$this->page;
}
//得到当前的url。具体实现请看最底部的函数实体
$this->url = pager::geturl();
//替换错误格式的页码为正确页码
if(isset($_get[pg]) && $_get[pg]!=$this->pg){
$this->url=str_replace(?pg=.$_get[pg],?pg=$this->pg,$this->url);
$this->url=str_replace(&pg=.$_get[pg],&pg=$this->pg,$this->url);
}
//生成12345等数字形式的分页。
if ($this->pagefor ($i=1;$ipage+1;$i++){
$this->thestr=$this->thestr.pager::makepg($i,$this->pg);
}
}else{
if ($this->pgfor ($i=1;$i$this->thestr=$this->thestr.pager::makepg($i,$this->pg);
}
}else{
if (6+$this->pgpage){
for ($i=$this->pg-4;$ipg+6;$i++){
$this->thestr=$this->thestr.pager::makepg($i,$this->pg);
}
}else{
for ($i=$this->pg-4;$ipage+1;$i++){
$this->thestr=$this->thestr.pager::makepg($i,$this->pg);
}
}
}
}
//生成上页下页等文字链接
$this->backstr = pager::gotoback($this->pg);
$this->nextstr = pager::gotonext($this->pg,$this->page);
//echo ( 共.$this->countall. 条,每页.$this->countlist.条，共.$this->page.页.$this->backstr.$this->thestr.$this->nextstr);
}
//生成数字分页的辅助函数
function makepg($i,$pg){
if ($i==$pg){
return style.'>.$i.;
}else{
return url,5,%24i). .>style.'>.$i.;
}
}
//生成上一页等信息的函数
function gotoback($pg){
if ($pg-1>0){
return $this->gotoback= url,3,0). .>style.'>首页 url,2,0). .>style.'>上一页;
}else{
return $this->gotoback=style.'>首页 上一页 ;
}
}
//生成下一页等信息的函数
function gotonext($pg,$page){
if ($pg return url,1,0). .>style.'>下一页 url,4,0). .>style.'>尾页;
}else{
return style.'>下一页 尾页;
}
}
//处理url中$pg的方法,用于自动生成pg=x
function replacepg($url,$flag,$i){
if ($flag == 1){
$temp_pg = $this->pg;
return str_replace(pg=.$temp_pg,pg=.($this->pg+1),$url);
}else if($flag == 2) {
$temp_pg = $this->pg;
return str_replace(pg=.$temp_pg,pg=.($this->pg-1),$url);
}else if($flag == 3) {
$temp_pg = $this->pg;
return str_replace(pg=.$temp_pg,pg=1,$url);
}else if($flag == 4){
$temp_pg = $this->pg;
return str_replace(pg=.$temp_pg,pg=.$this->page,$url);
}else if($flag == 5){
$temp_pg = $this->pg;
return str_replace(pg=.$temp_pg,pg=.$i,$url);
}else{
return $url;
}
}
//获得当前url的方法
function geturl(){
$url=http://.$_server[http_host];
if(isset($_server[request_uri])){
$url.=$_server[request_uri];
}else{
$url.=$_server[php_self];
if(!empty($_server[query_string])){
$url.=?.$_server[query_string];
}
}
//在当前的url里加入pg=x字样
if (!ereg((pg=|pg=|pg=|pg=), $url)){
if (!strpos($url,?)){
$url = $url.?pg=1;
}else{
$url = $url.&pg=1;
}
}
return $url;
}
}
?>
以上就介绍了google chrome浏览器下载 php通用分页类pagephp[仿google分页]，包括了google chrome浏览器下载方面的内容，希望对php教程有兴趣的朋友有所帮助。