delphi连接mysql不用添加DSN（mysql connector odbc 5.1版）

一、下载安装mysql驱动
http://mysql.com/downloads/connector/odbc/
二、添加adoconnection,adoquery,使用以下连接字符串
http://www.connectionstrings.com/mysql#p31
adoconnection的属性ConnectionString填入以下所需要的连接情况对应字符串，在软件发布时，把mysql-connector-odbc-5.1.8-win32.msi安装程序一起附带着，先安装驱动，即可正常使用。

Local database

Driver={MySQL ODBC 5.1 Driver};Server=localhost;Database=myDataBase;User=myUsername;Password=myPassword;Option=3;

Remote database

Driver={MySQL ODBC 5.1 Driver};Server=myServerAddress;Database=myDataBase;User=myUsername;Password=myPassword;Option=3;

Specifying TCP/IP port

Driver={MySQL ODBC 5.1 Driver};Server=myServerAddress;Port=3306;Database=myDataBase;User=myUsername;Password=myPassword;Option=3;

Specifying character set

Driver={MySQL ODBC 5.1 Driver};Server=myServerAddress;charset=UTF8;Database=myDataBase;User=myUsername;Password=myPassword;Option=3;

Specifying socket

This one specifies the Unix socket file or Windows named pipe to connect to. Used only for local client connections.

Driver={MySQL ODBC 5.1 Driver};Server=myServerAddress;Database=myDataBase;User=myUsername;Password=myPassword;Socket=MySQL;Option=3;

On Windows, the socket variable is the name of the named pipe that is used for local client connections. The default value is MySQL.

On Unix platforms, the socket variable is the name of the socket file that is used for local client connections. The default is /tmp/mysql.sock.

Using SSL

Driver={MySQL ODBC 5.1 Driver};Server=myServerAddress;Database=myDataBase;User=myUsername;Password=myPassword;sslca=c:/cacert.pem;sslcert=c:/client-cert.pem;sslkey=c:/client-key.pem;sslverify=1;Option=3;

SSLCA specifies the path to a file with a list of trust SSL CAs

SSLCERT specifies the name of the SSL certificate file to use for establishing a secure connection.

SSLKEY specifies the name of the SSL key file to use for establishing a secure connection.