数据库连接

package connect;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class 数据库连接Test {
    public static void main(String[] args) {
        String url="jdbc:mysql://localhost:3306/ssh";
        String user="root1";
        String password="123456";
        Connection conn;
        Statement st;
        ResultSet rs;
        try {
    // 1、加载驱动程序
            Class.forName("com.mysql.jdbc.Driver");
    //2、连接数据库
            conn=DriverManager.getConnection(url, user, password);
    //3、声明一个createStatment来执行sql语句
            st=conn.createStatement();
    //4、声明一个结果集
            String sql="select * from userreg";
            rs=st.executeQuery(sql);
            while(rs.next()){
                int id=rs.getInt("id");
                String name=rs.getString("name");
                String job=rs.getString("job");
                System.out.println("Id="+id+" name="+name+" job="+job);
            }
            rs.close();
            st.close();
            conn.close();
        } catch (Exception e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }

    }

}