1 import java.sql.Connection; 2 import java.sql.DriverManager; 3 import java.sql.ResultSet; 4 import java.sql.SQLException; 5 import java.sql.Statement; 6  7 public class JDBCTest { 8      9     private static final String URL="jdbc:mysql://127.0.0.1:3306/student";10     private static final String USER="root";11     private static final String PASSWORD="root";12 13     public static void main(String[] args) throws ClassNotFoundException, SQLException {14         15         //1.加载驱动程序16         Class.forName("com.mysql.jdbc.Driver");17         18         //2.获得数据连接19         Connection conn = DriverManager.getConnection(URL, USER, PASSWORD);20         21         //3.使用数据库的连接创建声明22         Statement stmt = conn.createStatement();23         24         //4.使用声明执行SQL语句25         ResultSet rs = stmt.executeQuery("select * from stu");26         27         //5.读取数据库的信息28         while(rs.next()){29             String id = rs.getString("id");30             String name = rs.getString("name");31             String sex = rs.getString("sex");32             String score = rs.getString("score");33             System.out.println(id+"姓名："+name+"，性别："+sex+"，成绩："+score);34         }35 36     }37     38 }