Page-by-page subscript generation code (PHP backend method), paging back-end _php tutorial

Page-by-page subscript generation code (PHP backend method), paging back-end

Test legend:

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Implementation code:

 /** * * @param $page page number (1 to infinity) * @param $num the number of rows in the data * @param Total row count of $rows data * @param The maximum length of the subscript         * @return Array */Public function pagedate ($page, $num, $rows, $length) {//Initialize data $MaxPage = 0;         Maximum page number $MinPage = 0;        Minimum page number $ServerPage = 0;      The page number displayed in the drop-down box $PageData = Array ();    The full page number collection (User drop-down box selection) $PageShowData = Array ();     The set of page numbers used to display the subscript $page = Intval ($page); if ($rows = = 0) {return $data = array (' page ' = = $page, ' MaxPage ' = = $MaxPage, ' MinPage ' =& Gt $MinPage, ' serverpage ' = $ServerPage, ' pagedata ' and $PageData, ' Pageshowdata ' and $PageShowD    ATA);    }//Get maximum paging and min paging $MaxPage = intval ($rows/$num);    $double = $rows% $num;    if ($double > 0.000000001) {$MaxPage + = 1;    } $MinPage = 1;    $ServerPage = 1;    Get all items for page number for ($i = 1; $i <= $MaxPage; $i + +) {$PageData [$i] = $i; }//correct correction of the page number if ($page &LT    $MinPage) {$page = 1;    } if ($page > $MaxPage) {$page = 1;      }/* Generates the displayed page number label *//generates the code on the left of fast 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;      }//To determine the selected page number code fast $PageShowData [Count ($PageShowData) + 1] = $page;    } $COUNT = COUNT ($PageShowData) + 1; Generate the code block on the right if ($page = = $MaxPage) {return $data = array (' page ' = = $page, ' MaxPage ' =           $MaxPage, ' MinPage ' = $MinPage, ' serverpage ' and $ServerPage, ' pagedata ' and $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;        Get the selected parameter $ServerPage = $PageShowData [$COUNT-1] + 1;        if ($ServerPage > $MaxPage) {$ServerPage = 1; } return $data = Array (' page ' = = $page, ' MaxPage ' = = $MaxPage, ' MinPage ' = ' $ MinPage, ' serverpage ' = $ServerPage, ' pagedata ' and $PageData, ' Pageshowdata ' and $Page      ShowData); }  }

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http://www.bkjia.com/PHPjc/1098976.html www.bkjia.com true http://www.bkjia.com/PHPjc/1098976.html techarticle Page -by-page subscript generation code (PHP backend method), pagination back-end Test legend:: Implementation code:/** * * @param $page page number (1 to infinity) * @param $num data ...

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