ThinkPhp3.2.3项目上线，报错SQLSTATE[HY000] [2002] 错误解决

SQLSTATE[HY000] [2002] No such file or directory

错误位置

FILE: /phpstudy/www/mmm/ThinkPHP/Library/Think/Db/Driver.class.php 　LINE: 109

TRACE

解决：

修改配置文件conf.php

将localhost改为127.0.0.1