


CodeIgniter错误mysql_connect(): No such file or directory解决方法_PHP
May 31, 2016 pm 07:29 PMCI框架
首先CodeIgniter连接数据库连不上,总是显示连接错误,但是又没有error信息,难以debug。
解决方案是:在application/config/database.php文件的最后加上这一段代码:
代码如下:
echo '
';<br>print_r($db['default']);<br>echo '
echo 'Trying to connect to database: ' .$db['default']['database'];
$dbh=mysql_connect
(
$db['default']['hostname'],
$db['default']['username'],
$db['default']['password'])
or die('Cannot connect to the database because: ' . mysql_error());
mysql_select_db ($db['default']['database']);
echo '
Connected OK:' ;
die( 'file: ' .__FILE__ . '--> Line: ' .__LINE__);
显示报错,问题是mysql_connect(): No such file or directory报错。
因为以前也有用过CI都没有这个错误,谷歌一下发现是因为MySQL是brew安装的,因为路径问题导致PHP无法获取相关数据。
解决方案:
如果你已经有了 /tmp/mysql.sock 但是没有 /var/mysql/mysql.sock 你应该:
代码如下:
cd /var
mkdir mysql
cd mysql
ln -s /tmp/mysql.sock mysql.sock
如果你有了 /var/mysql/mysql.sock 但是没有 mysql.sock name:
代码如下:
cd /tmp
ln -s /var/mysql/mysql.sock mysql.sock

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