php连接mysql 异常提示:由于目标计算机积极拒绝,无法连接

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Release: 2016-06-13 13:18:20
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php连接mysql 错误提示:由于目标计算机积极拒绝,无法连接
用命令提示符操作mysql是没有问题的,包括查询插入更新都没有问题。
php.ini配置如下:;extension=php_mysql.dll
  ;extension=php_mysqli.dll
  前面的分号都去掉了呀。
错误提示如下:
Warning: mysql_connect() [function.mysql-connect]: [2002] 由于目标计算机积极拒绝,无法连接。 (trying to connect via tcp://localhost:3306) in F:\Apache\htdocs\ch13\13-1.php on line 6
Warning: mysql_connect() [function.mysql-connect]: 由于目标计算机积极拒绝,无法连接。 in F:\Apache\htdocs\ch13\13-1.php on line 6
数据库连接失败:
由于目标计算机积极拒绝,无法连接。 

php代码如下:

PHP code
<!--

Code highlighting produced by Actipro CodeHighlighter (freeware)
http://www.CodeHighlighter.com/

-->
<?php $host='localhost';
$user_name='root';
$password='admin';

$conn = mysql_connect($host,$user_name,$password);
if(!$conn)
{
    die('数据库连接失败:<br/>'.mysql_error());
}
echo '数据库连接成功!';
?>

Copy after login


------解决方案--------------------
探讨
用命令提示符操作mysql是没有问题的,包括查询插入更新都没有问题。
php.ini配置如下:;extension=php_mysql.dll
;extension=php_mysqli.dll
前面的分号都去掉了呀。
错误提示如下:
Warning: mysql_connect() [function.mysql-connect]: [2002] 由于目标计算机积极拒绝,无法连……

------解决方案--------------------
把防火墙关了,在试试,个人经验觉得是防火墙的问题,应该是3306端口被拒绝了
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