nywsp的专栏

mysql -u root -p 登陆mysql root账户 service mysqld start service mysqld restart mysql服务启动重启 centos 安装mysql yum install -y mysql-server mysql mysql-devel

import java.awt.Insets; import java.sql.Connection; import java.sql.DriverManager; import java.sql.ResultSet; import java.sql.SQLException; import com.mysql.jdbc.PreparedStatement; import com.mysql.jd