php分页的实现方法有几种

本篇内容主要讲解"php分页的实现方法有几种"，感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷，实用性强。下面就让小编来带大家学习"php分页的实现方法有几种"吧!

1、通过"mysql_query"等函数将sql查询进行分页。

2、使用ajax的方法实现分页。

3、通过"function viewpage(p){...}"脚本实现分页。

实例

_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;     }       //当前页数     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']);       }     }       //总页数     public function page_num() {       if($this->datanum == 0){         return 1;       }else{         return ceil($this->datanum/$this->page_size);       }     } //数据库查询的偏移量     public function start() {       return ($this->page_id()-1)*$this->page_size;     }       //数据输出     public function sqlquery() {       return $this->sql." limit ".$this->start().",".$this->page_size;     }       //获取当前文件名     private function php_self() {       return $_SERVER['PHP_SELF'];     }       //上一页     private function pre_page() {       if ($this->page_id() == 1) { //页数等于1         return "url().">上一页 ";       }elseif ($this->page_id() != 1) { //页数不等于1         return "上一页 ";       }     }       //显示分页     private function display_page() {       $display_page = "";       if($this->page_num() <= 10){ //小于10页         for ($i=1;$i<=$this->page_num();$i++) //循环显示出页面           $display_page .= "".$i." ";           return $display_page;       }elseif($this->page_num() > 10){ //大于10页         if($this->page_id() <= 6){           for ($i=1;$i<=10;$i++) //循环显示出页面             $display_page .= "".$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++) //循环显示出页面             $display_page .= "".$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++) //循环显示出页面             $display_page .= "".$i." ";             return $display_page;         }       }     }       //下一页     private function next_page() {       if ($this->page_id() < $this->page_num()) { //页数小于总页数         return "下一页 ";       }elseif ($this->page_id() == $this->page_num()) { //页数等于总页数         return "下一页 ";       }     }       // 设置分页信息     public function set_page_info() {       $page_info = "共".$this->datanum."条 ";       $page_info .= "url().">首页 ";       $page_info .= $this->pre_page();       $page_info .= $this->display_page();       $page_info .= $this->next_page();       $page_info .= "尾页 ";       $page_info .= "第".$this->page_id()."/".$this->page_num()."页";       return $page_info;     }     } ?>

到此，相信大家对"php分页的实现方法有几种"有了更深的了解，不妨来实际操作一番吧！这里是网站，更多相关内容可以进入相关频道进行查询，关注我们，继续学习！