java网下商城与php网下商城比较
java网上商城与php网上商城比较
java网上商城与php商城比较
1. 应用比较:JAVA的应用比较广泛,比如世界五百强网站,大型政府网,各大银行等网站都是基于JAVA构建。
基于JAVA技术开发的商城系统是比较少,JAVA与PHP相比,在功能、性能各方面都要强于PHP,JAVA适合大型项目的开发,费用相对于PHP网店肯定会高点。
2. 语言比较:Php是解释执行的服务器脚本语言,首先php有简单容易上手的特点。语法和c语言比较象,所以学过c语言的程序员可以很快的熟悉php的开发。
而java需要先学好java的语法和熟悉一些核心的类库,懂得面向对象的程序设计方法。所以java不如php好学。
3. 数据库访问比较:Java通过JDBC来访问数据库,通过不同的数据库厂商提供的数据库驱动方便地访问数据库。访问数据库的接口比较统一。
PHP对于不同的数据库采用不同的数据库访问接口,所以数据库访问代码的通用性不强。例如:用Java开发的web应用从MySQL数据库转到Oracle数据库只需要做很少的修改。而PHP则需要做大量的修改工作。
4. 系统设计架构比较:采用Java的web开发技术,需要使用的是面向对象的系统设计方法,而PHP还是采用面向过程的开发方法。所以用Java进行开发前期需要做大量的系统分析和设计的工作,这样有利于以后扩展以及维护。
5. 跨平台性比较:Java和PHP都有很好的跨平台的特性。几乎都可以在不作任何修改的情况下运行在Linux或者Windows等不同的操作系统上。
6. 分布式多层架构比较:PHP只能实现简单的分布式两层或三层的架构,而JAVA在这方面就比较强大,可以实现多层的网络架构。数据库层(持久化层)、应用(业务)逻辑层、表示逻辑层彼此分开,
而且现在不同的层都已经有一些成熟的开发框架的支持。例如Struts就是利用java的web开发技术实现了MVC的设计模式,而在业务逻辑层也有Spring框架,数据库持久化层有Hibernate等框架。这些框架可以方便开发者高效、合理、科学得架构多层的商业应用。
下面简要的说一下Struts,它实质上是在JSP Model2的基础上实现的一个MVC(Model、View、Controler)框架。JSP Model2体系结构是一种联合使用JSP 与Servlet 来提供动态内容的方法。
在Struts框架中,模型由实现业务逻辑的JavaBean或EJB组件构成,控制器由Servlet实现的,视图由一组JSP文件组成。
采用Struts可以明确角色的定义和开发者与网页设计者的分工。而且项目越复杂,其优势越明显。
7. 源代码安全比较:PHP开发的程序的源代码都是公开的,他人拿到php开发的程序后都可以进行修改。
ava开发的程序,最后用户拿到的是只是一些编译好的class类,无法看到完整的源代码,安全性高。
8. 总结指标比较:
PHP JAVA
可复用性 低 高
开发速度 快 慢
易维护性 差 优
可移植性 优-Linux、Windows、Unix等
安全性 低 高
开发费用 低 高
多层架构 差 优
数据库访问 接口不统一 接口统一
可扩展性 差 优
面向对象 差 优
eoeshop是一套使用强大、安全的JAVA语言开发,基于企业级J2EE架构设计,使用目前最新最优秀的框架(struts2,spring2.5.6,spring security,hibernate3.5,freemarker2.3,jquery等)的商城系统。
整个商城具备优秀的负载性能、极快的响应速度、稳定的产品质量、牢固的安全特性、流畅的web流程控制、良好的跨平台特性和后续开发的可扩展性。
需要源码的朋友联系我
qq: 406223802
tel: 15910657130

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