Hibernate中各个JAR包的用途
原文链接：http://hi.baidu.com/jackfrued/blog/item/d11e5922d101ffaf4623e804.html
最基本的Hibernate3.3.2之 JAR包（必要）：
|
包名 |
位置 |
用途 |
|
hibernate3.jar |
/hibernate |
核心JAR包 |
|
antlr.jar |
/hibernate/lib/required |
Another Tool for Language Recognition，可以构造语言识别器，解析HQL需要 |
|
commons-collections.jar |
/hibernate/lib/required |
包含了一些Apache开发的集合类，功能比java.util.*强大 |
|
dom4j.jar |
/hibernate/lib/required |
越来越多的Java软件都在使用dom4j来操作XML，Hibernate也不例外 |
|
javassist.jar |
/hibernate/lib/required |
操作字节码，跟cglib相关 |
|
jta.jar |
/hibernate/lib/required |
定义JTA规范的JAR包，当Hibernate使用JTA的时候需要 |
|
slf4j.jar |
/hibernate/lib/required |
整合各种日志框架的工具 |
|
slf4j-nop.jar |
/slf4j |
包含了对slf4j.jar的实现类 |
注意：slf4.jar和slf4j-nop.jar之间的版本需要匹配，如果Hibernate中使用早期的slf4j.jar，可以从slf4j官方网站下载新的JAR包将其置换掉
如果要使用Annotation，还需要下面的JAR包：
|
包名 |
位置 |
用途 |
|
hibernate-annotations.jar |
/hibernate-annotations |
使用Hibernate Annotation的核心JAR包 |
|
ejb3-persistence.jar |
/hibernate-annotations/lib |
实体类中使用的注解都是在这个JAR包中定义的 |
|
hibernate-commons-annotations.jar |
/hibernate-annotations/lib |
|
使用javax.persistence下的Annotation可以不依赖Hibernate的JAR包，这样的话可以切换到其他的ORM框架
如果要使用log4j，则需要添加相关的JAR包：
|
包名 |
位置 |
用途 |
|
log4j.jar |
很多框架中都有 |
生成用户定制日志 |
|
slf4j-log4j.jar |
/slf4j |
将slf4j和log4j关联起来的JAR包 |
当然别忘记了在类路径下放log4j的配置文件哦
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