我想從MySQL數據庫中獲取一個值並將其放入一個PHP變量中。MySQL查詢數據到一個PHP變量
我嘗試這樣做:
$data = mysql_query("SELECT userid FROM ao_user " .
"WHERE username = '{$this->_username}' " .
"AND password = '{$this->_password}' AND display = '{$this->_display}'");
代碼無效說用戶名/密碼。
下面是用戶登錄代碼:
<?php
$username = "Nynex71";
mysql_connect("localhost", "root", "test") or die(mysql_error());
mysql_select_db("test") or die(mysql_error());
$result = mysql_query("SELECT display FROM ao_user " .
"WHERE username = '{$username}'") or die(msyql_error());
$row = mysql_fetch_assoc($result);
echo $row['display'];
?>
和
public function getDisplay()
{
mysql_connect("localhost", "root", "test") or die(mysql_error());
mysql_select_db("test") or die(mysql_error());
$result = mysql_query("SELECT display FROM ao_user " .
"WHERE username = '{$this->_username}'");
$row = mysql_fetch_assoc($result);
$this->_display = $row['display'];
$_SESSION['display'] = $this->_display;
}
程序不把任何話到PHP變量。我做錯了什麼,你如何做到這一點?
以下答案正確。然而,我的建議是,如果你剛開始學習PHP和MySQL。使用[MySQLi](http://php.net/manual/en/book.mysqli.php)或[PDO_MySQL](http://php.net/manual/en/ref.pdo-mysql.php)作爲mysql_ *貶值,因此你可能忘記它們存在! – 2012-07-09 21:42:19