测试图例:
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/** * * @param $page 页码(1至正无穷) * @param $num 数据中多上行为一页 * @param $rows 数据的总行数 * @param $length 下标的最大长度 * @return array */ public function PageDate( $page , $num , $rows , $length ){ //初始化数据 $MaxPage = 0; //最大页码 $MinPage = 0; //最小页码 $ServerPage = 0; //下拉框中显示的页码 $PageData = array (); //全部的页码集合(用户下拉框选择) $PageShowData = array (); //用于显示下标的页码集合 $page = intval ( $page ); if ( $rows == 0){ return $data = array ( 'page' => $page , 'MaxPage' => $MaxPage , 'MinPage' => $MinPage , 'ServerPage' => $ServerPage , 'PageData' => $PageData , 'PageShowData' => $PageShowData ); } //得到最大分页和最小分页 $MaxPage = intval ( $rows / $num ); $double = $rows % $num ; if ( $double > 0.000000001) { $MaxPage += 1; } $MinPage = 1; $ServerPage = 1; //得到页码的全部项目 for ( $i = 1; $i <= $MaxPage ; $i ++ ){ $PageData [ $i ] = $i ; } //对页码进行正确性改正 if ( $page < $MinPage ){ $page = 1; } if ( $page > $MaxPage ){ $page = 1; } /*生成显示的页码标签*/ //生成左侧的代码快 if ( $page == $MinPage ){ $PageShowData [1] = $page ; } if ( $page > $MinPage ){ $PageShowData [1] = $MinPage ; // $PageShowData[2] = $page - 1; // << $PageShowData [2] = '<<' ; // << if ( $page -2 > $MinPage ){ $PageShowData [3] = $page - 2; $PageShowData [4] = $page - 1; } elseif ( $page -2 == $MinPage ){ $PageShowData [3] = $page - 1; } //确定选中的页码代码快 $PageShowData [ count ( $PageShowData ) + 1] = $page ; } $COUNT = count ( $PageShowData ) + 1; //生成右侧的代码块 if ( $page == $MaxPage ){ return $data = array ( 'page' => $page , 'MaxPage' => $MaxPage , 'MinPage' => $MinPage , 'ServerPage' => $ServerPage , 'PageData' => $PageData , 'PageShowData' => $PageShowData ); } if ( $page < $MaxPage ) { if ( $MaxPage - $page >= 2){ $j = 1; for ( $i = $COUNT ; $i <= $length ; $i ++){ $PageShowData [ $i ] = $page + $j ; $j ++; if ( $PageShowData [ $i ] == $MaxPage -1){ break ; } } } $COUNT = count ( $PageShowData ) + 1; // $PageShowData[$COUNT] = $page + 1; //>> $PageShowData [ $COUNT ] = '>>' ; $PageShowData [ $COUNT + 1] = $MaxPage ; //得到选中的参数 $ServerPage = $PageShowData [ $COUNT -1] + 1; if ( $ServerPage > $MaxPage ){ $ServerPage = 1; } return $data = array ( 'page' => $page , 'MaxPage' => $MaxPage , 'MinPage' => $MinPage , 'ServerPage' => $ServerPage , 'PageData' => $PageData , 'PageShowData' => $PageShowData ); } } |
本文出自 IT985博客