测试Mysql是否安装成功，用jsp查询mysql数据库的内容，默认连接数据库用root用户名，密码是123456.mysql数据库中有testdatabase这样一个数据库，该数据库中有mytable表，表中的内容可以读取出来。-Mysql is installed successfully tested with mysql database jsp query the contents of the default root connect to the database using the user name, password is 123456.mysql database has testdatabase such a database, the database has mytable table that can read out the contents of .