1.下载jdbc驱动：
http://dev.mysql.com/downloads/connector/j/
2.加入jdbc的jar包至项目的libs目录并build path
2.修改环境变量：export PATH=/usr/local/mysql/bin/:${PATH}
3.默认root@localhost没有密码
4.修改密码：
命令行：mysqladmin -u root -p password root
MYSQL环境中的命令：
mysql> UPDATE mysql.user SET password=PASSWORD(’新密码’) WHERE User=’root’;
mysql> FLUSH PRIVILEGES;
5.重启mysql
/Library/StartupItems/MySQLCOM/MySQLCOM restart
停止mysql
/Library/StartupItems/MySQLCOM/MySQLCOM stop
6.进入test
mysql -u root -proot
use test
7.新建一张测试表
create table table1 (username varchar(20) primary key,password integer);
8插入测试数据
insert into table1 values('yyz',123456);
insert into table1 values('pengkv',123456);
insert into table1 values('yjj',123456);
insert into table1 values('pj',123456);
insert into table1 values('cl',123456);
9.书写代码