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论文作者:www.51lunwen.org论文属性:作业 Assignment登出时间:2013-09-06编辑:yangcheng点击率:2571
论文字数:865论文编号:org201309052328502370语种:英语 English地区:中国价格:免费论文
摘要:本系统要实现的功能比较多,最重要的是对设备从采购到安装,维护等的跟踪。在日常工作中由用户即系统管理员负责具体的业务,比如添加新购设备,设备维护计划表,每周或每月生成设备资产统计表,为公司决策层提供服务。
(1)一次编写,到处运行。除了系统之外,代码不用做任何更改。
( 1 ) write once , run everywhere . In addition to outside the system , do not make any changes to the code .
2)系统的多平台支持。基本上可以在所有平台上的任意环境中开发,在任意环境中进行系统部署,在任意环境中扩展。相比ASP.net的局限性是显而易见的。
( 2 ) the system of multi-platform support . Basically on all platforms developed in any environment , in any environment system deployment in any environment extensions. Compared ASP.net limitations are obvious.
(3)强大的可伸缩性。从只有一个小的Jar文件就可以运行Servlet/JSP,到由多台服务器进行集群和负载均衡,到多台Application进行事务处理,消息处理,一台服务器到无数台服务器,Java显示了一个巨大的生命力。
( 3 ) a strong scalability. From only a small Jar file can run Servlet / JSP, to the multiple servers clustering and load balancing, to more than one Application for transaction processing, message handling , a server to numerous servers , Java shows a huge vitality.
( 4 ) diversification and powerful development tool support. Java already has a lot of very good development tools, and many can get free .
( 5 ) support server-side components. web applications require powerful server-side components to support , developers need to use other tools to design components that implement complex functionality for web pages to call in order to enhance system performance. JSP can use sophisticated JAVA BEANS components to implement complex business functions.
Struts是Apache 基金会Jakarta 项目组的一个Open Source 项目,它采用MVC模式,能够很好地帮助java 开发者利用J2EE开发Web应用。和其他的java架构一样,Struts 也是面向对象设计,将MVC模式"分离显示逻辑和业务逻辑"的能力发挥得淋漓尽致。
Apache Foundation Jakarta Struts is an Open Source project group , which uses the MVC pattern , can be a good help java developers to leverage J2EE Web application development . Like with other java framework , Struts is an object-oriented design, MVC pattern " separate display logic and business logic ," the ability to play vividly. Structs framework is a flexible control layer based as Java Servlets, JavaBeansResourceBundles with XML and other standard techniques , as well as some of Jakarta Commons libraries . Struts mutual cooperation by a group of classes ( components ), Servlet and jsp tag lib components. Struts -based web application framework JSP Model2 basically in line with the design standards , can be said to be a traditional MVC design pattern is a variation of type.