0
我有兩個php文件,一個管理數據庫連接,另一個從數據庫中檢索數據。我從零開始寫這個作爲一個學習經驗,並且授予它早上5點,但由於某種原因,我無法訪問我需要的變量。如何訪問這些PHP類變量?
我的數據庫連接文件如下:
<?
class mysqlManager {
var $dbhost = 'xxx.xxx.xxx.xxx';
var $dbuser = 'xxx';
var $dbpass = 'xxx';
var $dbname = 'xxx';
var $connection;
var $errorCode;
var $errorMsg;
public function __construct($host='',$user='',$pass='',$name='') {
if(!$host=='') $this->dbhost = $host;
if(!$user=='') $this->dbuser = $user;
if(!$pass=='') $this->dbpass = $pass;
if(!$name=='') $this->dbname = $name;
}
function openConnection($host,$user,$pass) {
if(!$this->connection = @mysql_connect($host,$user,$pass,true)) {
$this->errorCode = mysql_errno();
$this->errorMsg = mysql_error();
return false;
}
return true;
}
function closeConnection() {
if($this->connection){
@mysql_close($this->connection);
}
}
function selectDB($name) {
if(!$this->openConnection($this->dbhost,$this->dbuser,$this->dbpass)){
return false;
}else{
return @mysql_select_db($name);
}
}
}
?>
獲取數據的下一個文件如下:
<?
class ccp {
var $mgr;
public function __construct() {
$this->mgr = new mysqlManager();
}
public function test() {
print_r($this->mgr);
}
function getCCP() {
if($mgr->openConnection($mgr->dbhost,$mgr->dbuser,$mgr->dbpass)) {
if(!$mgr->selectDB($mgr->dbname)) {
$mgr->closeConnection();
return 'An error has occured while processing your request.';
}
$q = 'SELECT * FROM ccp WHERE cat="ccp" ORDER BY date DESC';
$r = @mysql_query($q);
$ret='';
while($row = @mysql_fetch_array($r)){
$ret = '<div class="post">';
$ret .= ' <h2 class="title">'.$row["title"].'</h2>';
$ret .= ' <p class="date">'.$row["date"].'</p>';
$ret .= ' <div class="entry">'.$row["body"].'</div>';
$ret .= '</div>';
}
$mgr->closeConnection();
return $ret;
}
}
}
?>
當我運行測試功能,我得到這個:
mysqlManager Object ([dbhost] => xxx.xxx.xxx.xxx [dbuser] => xxx [dbpass] => xxx [dbname] => xxx [connection] => [errorCode] => [errorMsg] =>)
如何訪問mysqlManager對象中的變量?
謝謝!
大聲笑。是的。我責怪疲倦!感謝的人:D – Anders 2010-01-29 10:08:21
不客氣! – 2010-01-29 10:09:46