JDBC流程

//加载数据库驱动
Class.forName("com.mysql.jdbc.Driver");
//连接数据库
Connection connection = DriverManager.getConnection("jdbc:mysql://localhost:3306/数据库名字", "user", "password");
//创建preparedStatement
PreparedStatement preparedStatement = connection.preparedStatement("SQL语句");
//执行查询并获取结果集
ResultSet resultSet = preparedStatement.executeQuery();
//解析结果集
//关闭资源