DbUtils:JDBC实用组件实例 这一页提供了一些展示如何使用DbUtils的示例. 基本用法 DbUtils是一个非常小的类库,因此浏览完所有类的javadoc不会花费很长时间.DbUtils的核心类/接口是QueryRunner和ResultSetHandler.你不需要知道其它DbUtils类就可以使用这一类库.下面的例子展示了这些类是如何一起使用的. // Create a ResultSetHandler implementation to convert the // first…
前段时间使用了Apache Common DbUtils这个工具,在此留个印,以备不时查看.大家都知道现在市面上的数据库访问层的框架很多,当然很多都是包含了OR-Mapping工作步骤的例如大家常用的Hibernate与Mybatis.当然如果人们要一个纯粹的封装了JDBC的工具类,使用Apache Common DbUtils(下面简称ACD)是个不错的选择,这个工具在JDBC的基础上稍加封装是JDBC的操作更加便捷,在学习使用这个框架的途中你也不需要学习太多的API类,因为一共也才3个部分(…
DbUtils: JDBC Utility Component Examples This page provides examples that show how DbUtils may be used. Basic Usage DbUtils is a very small library of classes so it won't take long to go through the javadocs for each class. The core classes/interface…
官方文档中有写: You may register aspect classes as regular beans in your Spring XML configuration, or autodetect them through classpath scanning - just like any other Spring-managed bean. However, note that the @Aspect annotation is not sufficient for autod…
select event,count(1) from gv$session group by event order by 2;exec dbms_workload_repository.create_snapshot;select 'alter system kill session '''||sid||','||serial#||''';' from v$session where event='latch free'; SET LINESIZE 200SET NEWPAGE NONECOL…
详情 :http://commons.apache.org/ Components Description Latest Version Released Attributes Runtime API to metadata attributes such as doclet tags. 2.2 2006-08-03 BCEL Byte Code Engineering Library - analyze, create, and manipulate Java class files 5.2…
相关链接: Separation of Concerns 原文 The Art of Separation of Concerns Introduction In software engineering, Separation of Concerns refers to the delineation and correlation of software elements to achieve order within a system. Through proper separation…
http://www.gamedev.net/page/resources/_/technical/game-programming/understanding-component-entity-systems-r3013 The traditional way to implement game entities was to use object-oriented programming. Each entity was an object, which intuitively allowe…