完整java开发中JDBC连接数据库代码和步骤-JDBC to connect to the database code and steps to complete java development

加载JDBC驱动程序，提供JDBC连接的URL ，创建数据库的连接，创建一个Statement ，执行SQL语句 ，处理结果，关闭JDBC对象(Load the JDBC driver, provide the URL of the JDBC connection, create the connection to the database, create a Statement, execute the SQL statement,