create new ConnWrite returning as LoggerInterface.

create ConsoleWriter returning as LoggerInterface.

create a FileLogWriter returning as LoggerInterface.

create smtp writer.

Register registers given logger provider to adapters.

ConnWriter implements LoggerInterface.

ConsoleWriter implements LoggerInterface and writes messages to terminal.

DatabaseWriter implements LoggerInterface and is used to log into database.

FileLogWriter implements LoggerInterface.

Logger is default logger in beego application.

an *os.File writer with locker.

smtpWriter implements LoggerInterface and is used to send emails via given SMTP-server.

LoggerInterface represents behaviors of a logger provider.