MySQL 客户端不输入用户名和密码直接连接数据库的2个方法-木庄网络博客

本文整理自网络，侵删。

有2个方法
一、可以修改my.ini 配置参数(linux下面是 my.cnf);
[quote][client]
port=3306
default-character-set=utf8
host=localhost
user=root
password=1[/quote]
具体的其他参数都可以在这里修改
二、可以修改环境变量
MYSQL_HOST 代表主机名
USER 为用户名
MYSQL_PWD 为密码
更多的参数请自行查看mysql的帮助文档，下面是英文的表格

Variable	Description
`CXX`	The name of your C++ compiler (for running configure ).
`CC`	The name of your C compiler (for running configure ).
`CFLAGS`	Flags for your C compiler (for running configure ).
`CXXFLAGS`	Flags for your C++ compiler (for running configure ).
`DBI_USER`	The default user name for Perl DBI.
`DBI_TRACE`	Trace options for Perl DBI.
`HOME`	The default path for the mysql history file is `$HOME/.mysql_history` .
`LD_RUN_PATH`	Used to specify the location of `libmysqlclient.so` .
`MYSQL_DEBUG`	Debug trace options when debugging.
`MYSQL_GROUP_SUFFIX`	Option group suffix value (like specifying `--defaults-group-suffix` ).
`MYSQL_HISTFILE`	The path to the mysql history file. If this variable is set, its value overrides the default for `$HOME/.mysql_history` .
`MYSQL_HOME`	The path to the directory in which the server-specific `my.cnf` file resides (as of MySQL 5.0.3).
`MYSQL_HOST`	The default host name used by the mysql command-line client.
`MYSQL_PS1`	The command prompt to use in the mysql command-line client.
`MYSQL_PWD`	The default password when connecting to mysqld . Note that using this is insecure. See Section 5.5.6.2, “End-User Guidelines for Password Security”.
`MYSQL_TCP_PORT`	The default TCP/IP port number.
`MYSQL_UNIX_PORT`	The default Unix socket file name; used for connections to `localhost` .
`PATH`	Used by the shell to find MySQL programs.
`TMPDIR`	The directory where temporary files are created.
`TZ`	This should be set to your local time zone. See Section B.1.4.6, “Time Zone Problems”.
`UMASK`	The user-file creation mode when creating files. See note following table.
`UMASK_DIR`	The user-directory creation mode when creating directories. See note following table.
`USER`	The default user name on Windows and NetWare used when connecting to mysqld .