thinkphp3.1.2例子form运行出错

ThinkPHP/Lib/Driver/Db/DbMysql.class.php 　LINE: 58

出错缘由：localhost配置应该修改成127.0.0.1

return array(

    'URL_MODEL'=>3, // 若是你的环境不支持PATHINFO 请设置为3

    'DB_TYPE'=>'mysql',

    'DB_HOST'=>'127.0.0.1',

    'DB_NAME'=>'php',

    'DB_USER'=>'php',

    'DB_PWD'=>'php',

    'DB_PORT'=>'3306',

    'DB_PREFIX'=>'think_',

);