PHP通用分页种page.php[仿google分页]
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2022-06-03 23:31:35
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PHP通用分页类page.php[仿google分页]
![PHP通用分页种page.php[仿google分页]](/default/index/img?u=aHR0cHM6Ly9pbWcucGhwLmNuL3VwbG9hZC9jb3Vyc2UvMDAwLzAwMC8wNzEvNjIwYzYwNGY3NTI1MTk5NS5wbmc= "PHP通用分页种page.php[仿google分页]")
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 ($this->pagepage+1;$i++){
$this->thestr=$this->thestr.Pager::makepg($i,$this->pg);
}
}else{
if ($this->pgthestr=$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==$pg){
return " ".$i."";
}else{
return " ".$i."";
}
}
//生成上一页等信息的函数
function gotoback($pg){
if ($pg-1>0){
return $this->gotoback=" 首页 上一页";
}else{
return $this->gotoback="首页 上一页 ";
}
}
//生成下一页等信息的函数
function gotonext($pg,$page){
if ($pg url,1,0)." class='".$this->style."'>下一页 尾页";
}else{
return " 下一页 尾页";
}
}
//处理url中$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;
}
}
?>
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