你不可錯過的一個php分頁類別(mysql)

/*
mysql_pager.class.php
三個參數：mysql_query()的結果, url變數page, 您想要的每頁記錄數
*/
class mysql_pager {
// define properties
var $page;
var $result;
var $results_per_page = 3;
var $total_pages;
/*
Define the methods
下面是建構函數，和類別同名（>php4），需要查詢的結果句柄，目前頁碼，每頁記錄數
like: $f->mysql_pager($result, 1, 15);
*/
function mysql_pager( $result, $current_page, $results_per_page ) {
if(!$result){
echo "資料庫未執行，結果集錯誤n";
return;
}
$this->result = $result;
if(!$current_page || $current_page $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.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，也可以依照自己的需求擴充
這裡只是印出id
*/
function print_paged_results() {
echo "n"; $start = ($this->page - 1) * $this->results_per_page; mysql_data_seek($this->result, $start); $x = 0; for($i = 1; $i results_per_page && $row = @mysql_fetch_array($this->result); $i++) { if($x++ & 1) $bgcolor = "#F2F2FF"; else $bgcolor = "#EEEEEE";
echo "
"; // 編輯這部分輸出任何您想要的HTML }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呼叫
*/
function print_navigation() {
global $PHP_SELF;
echo "";
for($i = 1; $i total_pages; $i++) { #loop to print >
if($i == 1 && $this->page > 1) #Prints the  echo "page - 1)."" onMouseOver="status="Previous Page";return true;" onMouseOut="status=" ";return true ;">?";
if($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 "

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