JDBC练习二

import java.sql.*;
/*JDBC完成Delete
*/public class JDBCTest02 {public static void main(String[] args) {// 1、注册驱动// 2、获取连接// 3、获取数据库操作对象// 4、执行sql语句// 5、获取查询结果集// 6、释放资源Connection conn = null;Statement stmt = null;try {Driver driver = new com.mysql.jdbc.Driver();DriverManager.registerDriver(driver);String url = "jdbc:mysql://127.0.0.1:3306/mydb";String user = "root";String password = "123456";conn = DriverManager.getConnection(url,user,password);stmt = conn.createStatement();int count = stmt.executeUpdate("delete from student where studentid = 5");System.out.println(count == 1? "删除成功":"删除失败");} catch(SQLException e){e.printStackTrace();} finally {if(conn != null) {try {conn.close();} catch(SQLException e){e.printStackTrace();}}if(stmt != null) {try {stmt.close();} catch(SQLException e){e.printStackTrace();}}}}
}

运行结果: