mysql>CREATE DATABASE test; //创建一个数据库
mysql>use test; //指定test为当前要操作的数据库
mysql>CREATE TABLE user (name VARCHAR(20),password VARCHAR(20)); //创建一个表user，设置两个字段。
mysql>INSERT INTO user VALUES('huzhiheng','123456'); //插入一条数据到表中

import java.sql.*;
public class MysqlJdbc {
public static void main(String args[]) {
try {
Class.forName("com.mysql.jdbc.Driver"); //加载MYSQL JDBC驱动程序
//Class.forName("org.gjt.mm.mysql.Driver");
System.out.println("Success loading Mysql Driver!");
}
catch (Exception e) {
System.out.print("Error loading Mysql Driver!");
e.printStackTrace();
}
try {
Connection connect = DriverManager.getConnection(
"jdbc:mysql://localhost:3306/test","root","198876");
//连接URL为 jdbc:mysql//服务器地址/数据库名 ，后面的2个参数分别是登陆用户名和密码</p> <p> System.out.println("Success connect Mysql server!");
Statement stmt = connect.createStatement();
ResultSet rs = stmt.executeQuery("select * from user");
//user 为你表的名称
while (rs.next()) {
System.out.println(rs.getString("name"));
}
}
catch (Exception e) {
System.out.print("get data error!");
e.printStackTrace();
}
}
}

Success loading Mysql Driver!
Success connect Mysql server!
huzhiheng　

import java.sql.*;</p> <p>public class Myjproject {
public static void main(String args[])
{
try {
Class.forName("com.mysql.jdbc.Driver"); //加载MYSQL JDBC驱动程序
//Class.forName("org.gjt.mm.mysql.Driver");
System.out.println("Success loading Mysql Driver!");
}
catch (Exception e) {
System.out.print("Error loading Mysql Driver!");
e.printStackTrace();
}
try {
Connection connect = DriverManager.getConnection( "jdbc:mysql://localhost:3306/test","root","198876");

int num=100;
PreparedStatement Statement=connect.prepareStatement("INSERT INTO user VALUES(?,?)");
for(int i=0;i<num;i++) //定义个100次的循环，往表里插入一百条信息。
{
Statement.setString(1,"chongshi"+i);
Statement.setString(2,"bo"+i);
Statement.executeUpdate();
}</p> <p> // } catch (ClassNotFoundException e) {
// TODO Auto-generated catch block
// System.out.println("An error has occurred:"+e.toString());
// e.printStackTrace();
}catch(SQLException e)
{
}
}
}

mysql> show tatabases; //查看所数据库
mysql> use test; //使test为当前要操作的数据库
mysql> show tables; //查看当前数据库的所有表
mysql> select *from user; //查看当前表（user）的所有信息