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jar war

时间:2016-10-11 21:54:11      阅读:180      评论:0      收藏:0      [点我收藏+]

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区别:Jar、war、EAR、在文件结构上,三者并没有什么不同,它们都采用zip或jar档案文件压缩格式。但是它们的使用目的有所区别:

  Jar文件(扩展名为. Jar,Java Application Archive)包含Java类的普通库、资源(resources)、辅助文件(auxiliary files)等

  War文件(扩展名为.War,Web Application Archive)包含全部Web应用程序。在这种情形下,一个Web应用程序被定义为单独的一组文件、类和资源,用户可以对jar文件进行封装,并把它作为小型服务程序(servlet)来访问。

  Ear文件(扩展名为.Ear,Enterprise Application Archive)包含全部企业应用程序。在这种情形下,一个企业应用程序被定义为多个jar文件、资源、类和Web应用程序的集合。

  每一种文件(.jar, .war, .ear)只能由应用服务器(application servers)、小型服务程序容器(servlet containers)、EJB容器(EJB containers)等进行处理。

EAR文件包括整个项目,内含多个ejb module(jar文件)和web module(war文件)

 

These files are simply zipped files using the java jar tool. These files are created for different purposes. Here is the description of these files:

  • .jar files: The .jar files contain libraries, resources and accessories files like property files.

  • .war files: The war file contains the web application that can be deployed on any servlet/jsp container. The .war file contains jsp, html, javascript and other files necessary for the development of web applications.

 

.jar and .war are both zipped archived files. Both can have the optional META-INF/MANIFEST.MF manifest file which hold informative information like versioning, and instructional attributes like classpath and main-class for the JVM that will execute it.

.war file - Web Application Archive intended to be execute inside a ‘Servlet Container‘ and may include other jar files (at WEB-INF/lib directory) compiled classes (at WEB-INF/classes (servlet goes there too)) .jsp files images, files etc. All WAR content that is there in order to create a self-contained module.

jar war

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原文地址:http://www.cnblogs.com/diegodu/p/5950580.html

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