通常意味着您需要指定TCP/IP(1)，或告诉MySQL Unix套接字在哪里(2):

Usually means that you need to specify TCP/IP (1), or tell MySQL where your Unix socket is (2):

1. "mysql:host = 127.0.0.1"或"mysql:host = localhost; port = 3306"
2. "mysql:unix_socket =/var/run/mysqld/mysqld.sock"