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page.class.rar(免费下载)[4 次下载]查询时用到的： |
$pagesize=20; //每页显示数量 |
if($_POST["pageid"]){ |
if($_POST["form1"]){ |
$pageval=1; |
}else{ |
$pageval=$_POST["pageid"]; |
} |
$pageid=($pageval-1)*$pagesize; |
$pageid.=','; |
} |
if($_GET["p"]){ |
$pageval=$_GET["p"]; |
$pageid=($pageval-1)*$pagesize; |
$pageid.=','; |
} |
sql: |
$sql="select * from table order by addtime desc limit $pageid $pagesize"; |
使用方法： |
<?php |
//分页类调用 |
require("inc/page.class.php"); |
$params = array( |
'total_rows'=>$Num, //信息总数 |
'method'=>'get', //方法 |
'ajax_func_name'=>'goToPage', |
'now_page'=>$pageval, //当前页 |
'list_rows'=>$pagesize, //分页显示条数 |
); |
$page = new Core_Lib_Page($params); |
echo $page->show(2); |
?> |
page.class.php源代码：（打包要积分下载） |
<?php |
/** |
* PHP分页类 |
* 有四种分页样式：可调用show(1);show(2);show(3);show(4);查看 |
* 分页样式可灵活使用自定义多种样式 |
*/ |
class Core_Lib_Page |
{ |
public $first_row; //起始行数 |
public $list_rows; //列表每页显示行数 |
protected $total_pages; //总页数 |
protected $total_rows; //总行数 |
protected $now_page; //当前页数 |
protected $method = 'defalut'; //处理情况 ajax分页 html分页(静态化时) 普通get方式 |
protected $parameter = ''; |
protected $page_name; //分页参数的名称 |
protected $ajax_func_name; //ajax分页下的方法名称 |
public $plus = 3; //分页偏移量 |
protected $url; |
|
/** |
* 构造函数 |
* @param unknown_type $data |
*/ |
public function __construct($data = array()) |
{ |
$this->total_rows = $data['total_rows']; |
$this->parameter = !empty($data['parameter']) ? $data['parameter'] : ''; |
$this->list_rows = !empty($data['list_rows']) && $data['list_rows'] <= 100 ? $data['list_rows'] : 15; |
$this->total_pages = ceil($this->total_rows / $this->list_rows); |
$this->page_name = !empty($data['page_name']) ? $data['page_name'] : 'p'; |
$this->ajax_func_name = !empty($data['ajax_func_name']) ? $data['ajax_func_name'] : ''; |
$this->getsession = $data['getsession']; |
$this->method = !empty($data['method']) ? $data['method'] : ''; |
|
|
/* 当前页面 */ |
if(!empty($data['now_page'])) |
{ |
$this->now_page = intval($data['now_page']); |
}else{ |
$this->now_page = !empty($_GET[$this->page_name]) ? intval($_GET[$this->page_name]):1; |
} |
$this->now_page = $this->now_page <= 0 ? 1 : $this->now_page; |
|
|
if(!empty($this->total_pages) && $this->now_page > $this->total_pages) |
{ |
$this->now_page = $this->total_pages; |
} |
$this->first_row = $this->list_rows * ($this->now_page - 1); |
} |
|
/** |
* 得到当前连接 |
* @param $page |
* @param $text |
* @return string |
*/ |
protected function _get_link($page,$text) |
{ |
switch ($this->method) { |
case 'ajax': |
$parameter = ''; |
if($this->parameter) |
{ |
$parameter = ','.$this->parameter; |
} |
return '<a onclick="' . $this->ajax_func_name . '(\'' . $page . '\''.$parameter.')" href="javascript:void(0)">' . $text . '</a>' . "\n"; |
break; |
|
case 'html': |
$url = str_replace('?', $page,$this->parameter); |
return '<a href="' .$url . '">' . $text . '</a>' . "\n"; |
break; |
|
default: |
return '<a href="' . $this->_get_url($page) . $this->getsession . '">' . $text . '</a>' . "\n"; |
break; |
} |
} |
|
|
/** |
* 设置当前页面链接 |
*/ |
protected function _set_url() |
{ |
$url = $_SERVER['REQUEST_URI'].(strpos($_SERVER['REQUEST_URI'],'?')?'':"?").$this->parameter; |
$parse = parse_url($url); |
if(isset($parse['query'])) { |
parse_str($parse['query'],$params); |
unset($params[$this->page_name]); |
$url = $parse['path'].'?'.http_build_query($params); |
} |
if(!empty($params)) |
{ |
$url .= '&'; |
} |
$this->url = $url; |
} |
|
/** |
* 得到$page的url |
* @param $page 页面 |
* @return string |
*/ |
protected function _get_url($page) |
{ |
if($this->url === NULL) |
{ |
$this->_set_url(); |
} |
// $lable = strpos('&', $this->url) === FALSE ? '' : '&'; |
return $this->url . $this->page_name . '=' . $page; |
} |
|
|
/** |
* 得到第一页 |
* @return string |
*/ |
public function first_page($name = '第一页') |
{ |
if($this->now_page > 5) |
{ |
return $this->_get_link('1', $name); |
} |
return ''; |
} |
|
/** |
* 最后一页 |
* @param $name |
* @return string |
*/ |
public function last_page($name = '最后一页') |
{ |
if($this->now_page < $this->total_pages - 5) |
{ |
return $this->_get_link($this->total_pages, $name); |
} |
return ''; |
} |
|
/** |
* 上一页 |
* @return string |
*/ |
public function up_page($name = '上一页') |
{ |
if($this->now_page != 1) |
{ |
return $this->_get_link($this->now_page - 1, $name); |
} |
return ''; |
} |
|
/** |
* 下一页 |
* @return string |
*/ |
public function down_page($name = '下一页') |
{ |
if($this->now_page < $this->total_pages) |
{ |
return $this->_get_link($this->now_page + 1, $name); |
} |
return ''; |
} |
/** |
* 分页样式输出 |
* @param $param |
* @return string |
*/ |
public function show($param = 1) |
{ |
if($this->total_rows < 1) |
{ |
return ''; |
} |
|
$className = 'show_' . $param; |
|
$classNames = get_class_methods($this); |
if(in_array($className, $classNames)) |
{ |
return $this->$className(); |
} |
return ''; |
} |
|
protected function show_1() |
{ |
$plus = $this->plus; |
if( $plus + $this->now_page > $this->total_pages) |
{ |
$begin = $this->total_pages - $plus * 2; |
}else{ |
$begin = $this->now_page - $plus; |
} |
|
$begin = ($begin >= 1) ? $begin : 1; |
$return = ''; |
$return .= $this->first_page(); |
$return .= $this->up_page(); |
for ($i = $begin; $i <= $begin + $plus * 2;$i++) |
{ |
if($i>$this->total_pages) |
{ |
break; |
} |
if($i == $this->now_page) |
{ |
$return .= "<a class='now_page'>$i</a>\n"; |
} |
else |
{ |
$return .= $this->_get_link($i, $i) . "\n"; |
} |
} |
$return .= $this->down_page(); |
$return .= $this->last_page(); |
return $return; |
} |
|
protected function show_2() |
{ |
if($this->total_pages != 1) |
{ |
$return = ''; |
$return .= '<div class="pagetxt">共<b> ' .$this->total_pages. ' </b>页 当前第<b> ' .$this->now_page. ' </b>页, 共有记录<b> ' .$this->total_rows. ' </b>条</div><div class="pagea">'; |
$return .= $this->up_page('上一页'); |
for($i = 1;$i<=$this->total_pages;$i++) |
{ |
if($i == $this->now_page) |
{ |
$return .= "<a class='now_page'>$i</a>\n"; |
} |
else |
{ |
if($this->now_page-$i>=4 && $i != 1) |
{ |
$return .="<span class='pageMore'>...</span>\n"; |
$i = $this->now_page-3; |
} |
else |
{ |
if($i >= $this->now_page+5 && $i != $this->total_pages) |
{ |
$return .="<span>...</span>\n"; |
$i = $this->total_pages; |
} |
$return .= $this->_get_link($i, $i) . "\n"; |
} |
} |
} |
$return .= $this->down_page('下一页'); |
$return .= '</div>'; |
return $return; |
} |
} |
|
protected function show_3() |
{ |
$plus = $this->plus; |
if( $plus + $this->now_page > $this->total_pages) |
{ |
$begin = $this->total_pages - $plus * 2; |
}else{ |
$begin = $this->now_page - $plus; |
} |
$begin = ($begin >= 1) ? $begin : 1; |
$return = '总计 ' .$this->total_rows. ' 个记录分为 ' .$this->total_pages. ' 页, 当前第 ' . $this->now_page . ' 页 '; |
$return .= ',每页 '; |
$return .= '<input type="text" value="'.$this->list_rows.'" id="pageSize" size="3"> '; |
$return .= $this->first_page()."\n"; |
$return .= $this->up_page()."\n"; |
$return .= $this->down_page()."\n"; |
$return .= $this->last_page()."\n"; |
$return .= '<select onchange="'.$this->ajax_func_name.'(this.value)" id="gotoPage">'; |
|
for ($i = $begin;$i<=$begin+10;$i++) |
{ |
if($i>$this->total_pages) |
{ |
break; |
} |
if($i == $this->now_page) |
{ |
$return .= '<option selected="true" value="'.$i.'">'.$i.'</option>'; |
} |
else |
{ |
$return .= '<option value="' .$i. '">' .$i. '</option>'; |
} |
} |
$return .= '</select>'; |
return $return; |
} |
|
protected function show_4() |
{ |
$plus = $this->plus; |
if( $plus + $this->now_page > $this->total_pages) |
{ |
$begin = $this->total_pages - $plus * 2; |
}else{ |
$begin = $this->now_page - $plus; |
} |
|
$begin = ($begin >= 1) ? $begin : 1; |
$return = ''; |
$return .= '<div class="pagetxt">共<b> ' .$this->total_pages. ' </b>页 当前第<b> ' .$this->now_page. ' </b>页, 共有记录<b> ' .$this->total_rows. ' </b>条</div><div class="pagea">'; |
$return .= $this->first_page(); |
$return .= $this->up_page(); |
for ($i = $begin; $i <= $begin + $plus * 2;$i++) |
{ |
if($i>$this->total_pages) |
{ |
break; |
} |
if($i == $this->now_page) |
{ |
$return .= "<a class='now_page'>$i</a>\n"; |
} |
else |
{ |
$return .= $this->_get_link($i, $i) . "\n"; |
} |
} |
$return .= $this->down_page(); |
$return .= $this->last_page(); |
$return .= '</div>'; |
return $return; |
} |
} |
?> |
page.class.rar(免费下载)[4 次下载]
