数据库连接失败!SQLSTATE[HY000] [2002] Connection refused
Fatal error: Uncaught Error: Call to a member function exec() on null in /www/wwwroot/www.news587.com/include/db.php:117
Stack trace:
#0 /www/wwwroot/www.news587.com/include/db.php(70): Db->__construct(Array)
#1 /www/wwwroot/www.news587.com/config.php(11): Db::getInstance(Array)
#2 /www/wwwroot/www.news587.com/index.php(4): include('/www/wwwroot/ww...')
#3 {main}
thrown in /www/wwwroot/www.news587.com/include/db.php on line 117