thinkphp增加每页显示条数的方法

return "
{$page_str}
 
 显示条数  
 
urlNum(10,1)."'>10
 
urlNum(30,1)."'>30
 
urlNum(50,1)."'>50
 
 
";

private function urlNum($num,$page){ $str = str_replace(urlencode('[PAGE]'), $page, $this->url); return str_replace(urlencode('[NUM]'), $num, $str); }

  // +---------------------------------------------------------------------- namespace Think; class Page{ public $firstRow; // 起始行数 public $listRows; // 列表每页显示行数 public $parameter; // 分页跳转时要带的参数 public $totalRows; // 总行数 public $totalPages; // 分页总页面数 public $rollPage = 11;// 分页栏每页显示的页数 public $lastSuffix = true; // 最后一页是否显示总页数 private $p = 'p'; //分页参数名 private $num = 'num'; //分页参数名 private $url = ''; //当前链接URL private $nowPage = 1; // 分页显示定制 private $config = array( 'header' => '共 %TOTAL_ROW% 条记录', 'prev' => '«', 'next' => '»', 'first' => '1...', 'last' => '...%TOTAL_PAGE%', 'theme' => '%HEADER% %FIRST% %UP_PAGE% %LINK_PAGE% %DOWN_PAGE% %END%', ); /** * 架构函数 * @param array $totalRows 总的记录数 * @param array $listRows 每页显示记录数 * @param array $parameter 分页跳转的参数 */ public function __construct($totalRows, $listRows=20, $parameter = array()) { C('VAR_PAGE') && $this->p = C('VAR_PAGE'); //设置分页参数名称 /* 基础设置 */ $this->totalRows = $totalRows; //设置总记录数 $this->listRows = $listRows; //设置每页显示行数 $this->parameter = empty($parameter) ? $_GET : $parameter; $this->nowPage = empty($_GET[$this->p]) ? 1 : intval($_GET[$this->p]); $this->nowPage = $this->nowPage>0 ? $this->nowPage : 1; $this->firstRow = $this->listRows * ($this->nowPage - 1); } /** * 定制分页链接设置 * @param string $name 设置名称 * @param string $value 设置值 */ public function setConfig($name,$value) { if(isset($this->config[$name])) { $this->config[$name] = $value; } } /** * 生成链接URL * @param integer $page 页码 * @return string */ private function url($page){ // return str_replace(urlencode('[PAGE]'), $page, $this->url); $num = $_GET['num'] ? $_GET['num'] : '10'; $str = str_replace(urlencode('[NUM]'), $num, $this->url); return str_replace(urlencode('[PAGE]'), $page, $str); } private function urlNum($num,$page){ $str = str_replace(urlencode('[PAGE]'), $page, $this->url); return str_replace(urlencode('[NUM]'), $num, $str); } /** * 组装分页链接 * @return string */ public function show() { if(0 == $this->totalRows) return ''; /* 生成URL */ // echo $this->num;die; $this->parameter[$this->p] = '[PAGE]'; // $num = empty($_GET['num']) ? '20' : ''; $this->parameter[$this->num] = '[NUM]'; $this->url = U(ACTION_NAME, $this->parameter); /* 计算分页信息 */ $this->totalPages = ceil($this->totalRows / $this->listRows); //总页数 if(!empty($this->totalPages) && $this->nowPage > $this->totalPages) { $this->nowPage = $this->totalPages; } /* 计算分页临时变量 */ $now_cool_page = $this->rollPage/2; $now_cool_page_ceil = ceil($now_cool_page); $this->lastSuffix && $this->config['last'] = $this->totalPages; //上一页 $up_row = $this->nowPage - 1; $up_page = $up_row > 0 ? '
' . $this->config['prev'] . '
' : ''; //下一页 $down_row = $this->nowPage + 1; $down_page = ($down_row <= $this->totalPages) ? '
' . $this->config['next'] . '
' : ''; //第一页 $the_first = ''; if($this->totalPages > $this->rollPage && ($this->nowPage - $now_cool_page) >= 1){ $the_first = '
' . $this->config['first'] . '
'; } //最后一页 $the_end = ''; if($this->totalPages > $this->rollPage && ($this->nowPage + $now_cool_page) < $this->totalPages){ $the_end = '
' . $this->config['last'] . '
'; } //数字连接 $link_page = ""; for($i = 1; $i <= $this->rollPage; $i++){ if(($this->nowPage - $now_cool_page) <= 0 ){ $page = $i; }elseif(($this->nowPage + $now_cool_page - 1) >= $this->totalPages){ $page = $this->totalPages - $this->rollPage + $i; }else{ $page = $this->nowPage - $now_cool_page_ceil + $i; } if($page > 0 && $page != $this->nowPage){ if($page <= $this->totalPages){ $link_page .= '
' . $page . '
'; }else{ break; } }else{ if($page > 0 && $this->totalPages != 1){ $link_page .= '
' . $page . '
'; } } } //替换分页内容 $page_str = str_replace( array('%HEADER%', '%NOW_PAGE%', '%UP_PAGE%', '%DOWN_PAGE%', '%FIRST%', '%LINK_PAGE%', '%END%', '%TOTAL_ROW%', '%TOTAL_PAGE%'), array($this->config['header'], $this->nowPage, $up_page, $down_page, $the_first, $link_page, $the_end, $this->totalRows, $this->totalPages), $this->config['theme']); return "
{$page_str}
 
 显示条数  
 
urlNum(10,1)."'>10
 
urlNum(30,1)."'>30
 
urlNum(50,1)."'>50
 
 
"; } }