你不可錯過的一個php分頁類(mysql)

/* mysql_pager.class.php 三個參數：mysql_query()的結果, url變數page, 您要的每頁記錄數 */ class mysql_pager { // define properties var $page; var $result; var $results_per_page = 3; var $total_pages; /* Define the methods 下面是建構函式，和類同名（>php4），需要查詢的結果控制代碼，當前頁碼，每頁記錄數 like: $f->mysql_pager($result, 1, 15); */ function mysql_pager( $result, $current_page, $results_per_page ) { if(!$result){ echo "資料庫未運行，結果集錯誤\n"; return; } $this->result = $result; if(!$current_page || $current_page < 0) $this->page = 1; else $this->page = $current_page; if(!emptyempty($results_per_page)) $this->results_per_page = $results_per_page; $numrows = @mysql_num_rows($this->result); if(!$numrows) { echo "查詢結果為空白.\n"; return; } $this->total_pages = ceil($numrows / $this->results_per_page); } /* 下面是列印內容的函數，可以不用，也可以根據自己的需要擴充 這裡只是列印出id */ function print_paged_results() { echo " $start = ($this->page - 1) * $this->results_per_page; // 編輯這部分輸出任何您想要的HTML \n"; mysql_data_seek($this->result, $start); $x = 0; for($i = 1; $i <= $this->results_per_page && $row = @mysql_fetch_array($this->result); $i++) { if($x++ & 1) $bgcolor = "#F2F2FF"; else $bgcolor = "#EEEEEE"; echo " "; } echo " ". $row["id"] . " \n"; } /* 下面是列印頁碼和連結的函數，在需要顯示頁碼的地方調用 */ function print_navigation() { global $PHP_SELF; echo ""; for($i = 1; $i <= $this->total_pages; $i++) { #loop to print << 1 2 3... $total_pages >> if($i == 1 && $this->page > 1) #Prints the << first to goto the previous page (not on page 1) echo "page - 1)."\" onMouseOver=\"status="Previous Page";return true;\" onMouseOut=\"status=" ";return true;\">?"; if($i == $this->page) #Doesn"t print a link itself, just prints page number echo " $i "; if($i != $this->page) #Other links that aren"t this page go here echo " $i "; if($i == $this->total_pages && $this->page != $this->total_pages) # Link for next page >> (not on last page) echo "page + 1)."\" onMouseOver=\"status="Go to the Next Page";return true;\" onMouseOut=\"status=" ";return true;\">?"; } echo "\n"; } } /* 例子 http://bbs.it-home.org mysql_connect($server, $uname, $pass ); mysql_select_db("$db"); $result= @mysql_query("Select * FROM table"); $p = new mysql_pager( $result, $page=$_GET["page"], 10 ); $p->print_navigation(); $p->print_paged_results(); $p->print_navigation(); */ ?> 複製代碼

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