我想从MySQL数据库中获取一个值并将其放入一个PHP变量中。MySQL查询数据到一个PHP变量
我尝试这样做:
$data = mysql_query("SELECT userid FROM ao_user " .
"WHERE username = '{$this->_username}' " .
"AND password = '{$this->_password}' AND display = '{$this->_display}'");
代码无效说用户名/密码。
下面是用户登录代码:
<?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;
}
程序不把任何话到PHP变量。我做错了什么,你如何做到这一点?
以下答案正确。然而,我的建议是,如果你刚开始学习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)作为mysql_ *贬值,因此你可能忘记它们存在! – 2012-07-09 21:42:19