本篇內(nèi)容主要講解“php分頁的實現(xiàn)方法有幾種”，感興趣的朋友不妨來看看。本文介紹的方法操作簡單快捷，實用性強。下面就讓小編來帶大家學習“php分頁的實現(xiàn)方法有幾種”吧!
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1、通過“MySQL_query”等函數(shù)將sql查詢進行分頁。
2、使用ajax的方法實現(xiàn)分頁。
3、通過“function viewpage(p){...}”腳本實現(xiàn)分頁。
實例
重慶分公司
重慶分公司
_conn === false || !is_resource($this->_conn)) {
warningLog(__METHOD__ . ': query sql with no connection', true);
return false;
}
$this->_query_id = @mysql_query($query, $this->_conn);
if ($this->_query_id === false) {
$this->_errstr = @mysql_error();
$ret = false;
} else {
$this->_errstr = 'SUCCESS';
$ret = $this->_query_id;
}
}
$msg = ($ret === false) ? 'false' : strval($ret);
debugLog(__METHOD__.": [$msg] returned for sql query [$query]");
return $ret;
}
function __construct($sql,$page_size) {
$result = mysql_query($sql);
$datanum = mysql_num_rows($result);
$this->sql=$sql;
$this->datanum=$datanum;
$this->page_size=$page_size;
}
//當前頁數(shù)
public function page_id() {
if($_SERVER['QUERY_STRING'] == ""){
return 1;
}elseif(substr_count($_SERVER['QUERY_STRING'],"page_id=") == 0){
return 1;
}else{
return intval(substr($_SERVER['QUERY_STRING'],8));
}
}
//剩余url值
public function url() {
if($_SERVER['QUERY_STRING'] == ""){
return "";
}elseif(substr_count($_SERVER['QUERY_STRING'],"page_id=") == 0){
return "&".$_SERVER['QUERY_STRING'];
}else{
return str_replace("page_id=".$this->page_id(),"",$_SERVER['QUERY_STRING']);
}
}
//總頁數(shù)
public function page_num() {
if($this->datanum == 0){
return 1;
}else{
return ceil($this->datanum/$this->page_size);
}
}
//數(shù)據(jù)庫查詢的偏移量
public function start() {
return ($this->page_id()-1)*$this->page_size;
}
//數(shù)據(jù)輸出
public function sqlquery() {
return $this->sql." limit ".$this->start().",".$this->page_size;
}
//獲取當前文件名
private function php_self() {
return $_SERVER['PHP_SELF'];
}
//上一頁
private function pre_page() {
if ($this->page_id() == 1) { //頁數(shù)等于1
return "url().">上一頁 ";
}elseif ($this->page_id() != 1) { //頁數(shù)不等于1
return "上一頁 ";
}
}
//顯示分頁
private function display_page() {
$display_page = "";
if($this->page_num() <= 10){ //小于10頁
for ($i=1;$i<=$this->page_num();$i++) //循環(huán)顯示出頁面
$display_page .= "".$i." ";
return $display_page;
}elseif($this->page_num() > 10){ //大于10頁
if($this->page_id() <= 6){
for ($i=1;$i<=10;$i++) //循環(huán)顯示出頁面
$display_page .= "".$i." ";
return $display_page;
}elseif(($this->page_id() > 6) && ($this->page_num()-$this->page_id() >= 4)){
for ($i=$this->page_id()-5;$i<=$this->page_id()+4;$i++) //循環(huán)顯示出頁面
$display_page .= "".$i." ";
return $display_page;
}elseif(($this->page_id() > 6) && ($this->page_num()-$this->page_id() < 4)){
for ($i=$this->page_num()-9;$i<=$this->page_num();$i++) //循環(huán)顯示出頁面
$display_page .= "".$i." ";
return $display_page;
}
}
}
//下一頁
private function next_page() {
if ($this->page_id() < $this->page_num()) { //頁數(shù)小于總頁數(shù)
return "下一頁 ";
}elseif ($this->page_id() == $this->page_num()) { //頁數(shù)等于總頁數(shù)
return "下一頁 ";
}
}
// 設置分頁信息
public function set_page_info() {
$page_info = "共".$this->datanum."條 ";
$page_info .= "url().">首頁 ";
$page_info .= $this->pre_page();
$page_info .= $this->display_page();
$page_info .= $this->next_page();
$page_info .= "尾頁 ";
$page_info .= "第".$this->page_id()."/".$this->page_num()."頁";
return $page_info;
}
}
?>到此，相信大家對“php分頁的實現(xiàn)方法有幾種”有了更深的了解，不妨來實際操作一番吧！這里是創(chuàng)新互聯(lián)網(wǎng)站，更多相關內(nèi)容可以進入相關頻道進行查詢，關注我們，繼續(xù)學習！
