PHP MySQL验证错误

Question

我已经创建了一个html表单（demo.html）& POST它对php文件（demo1.php）的值。然后，我在MySQL &创建的数据库在PHP文件（demo1.php）写的连接代码，但它提供了以下错误

警告：mysql_connect（）函数[function.mysql-连接]：拒绝访问用户“根'@' 本地主机”（使用密码：是）在C：\ XAMPP \ htdocs中\ demo1.php第8行 错误连接到MySQL

<?php 
// contact to database 
$dbhost = 'localhost'; 
$dbuser = 'root'; 
$dbpass = 'password'; 

$conn = mysql_connect($dbhost, $dbuser, $dbpass) or die ('Error connecting to mysql'); 
//$conn = mysql_connect("localhost","root","password") or die ('Error connecting to mysql'); 

$dbname = 'test'; 
mysql_select_db($dbname,$conn); 

//$connect = mysql_connect("localhost", "root", "pass") or die ("Error , check your server connection."); 

//mysql_select_db("test"); 



//Get data in local variable 

$v_name=$_POST['name']; 

$v_email=$_POST['email']; 

$v_msg=$_POST['msg']; 



// check for null values 

if ($v_name=="" or $v_msg=="") 

echo "All fields must be entered, hit back button and re-enter information"; 

else{ 

$query="insert into contact(name,email,msg) values('$v_name','$v_email','$v_msg')"; 

mysql_query($query) or die(mysql_error()); 

echo "Your message has been received"; 

mysql_close($conn); 

} 

?> 

Answer 1

密码用户root不正确。本地（家庭）服务器上

默认密码是空的，所以我认为这可以帮助：

$dbpass = ''; 

Answer 2

错误是相当明确的 - 你使用的用户名/密码组合不正确。如果这是全新安装，则需要设置密码和/或创建新用户。

• mysqladmin
• User Creation
• Granting Privileges
• Setting Passwords

Answer 3

For Local Xampp username-root password --'' 

<?php 
// contact to database 
$dbhost = 'localhost'; 
$dbuser = 'root'; 
$dbpass = ''; 

$conn = mysql_connect($dbhost, $dbuser, $dbpass) or die ('Error connecting to mysql'); 
?> 

Answer 4

造成这种情况的主要原因是密码错误。设置xampp时是否指定了根密码？如果没有，那么将密码保留空白，因为上述隐含状态为