基于Struts框架的科研资源计划系统的应用研究

Struts是基于模型视图控制体系(MVC)的Web应用框架。详细介绍了基于MVC体系的Struts工作原理，探讨应用Struts框架构建企业级应用系统的步骤及方法。给出了基于Struts的科研资源计划系(SRRPS)的设计实现，结果表明Struts框架能极大地提高系统的可扩展性、可重用性及可维护性。     

重构在框架开发中的研究与应用

框架和应用能够通过重构相互促进,应用和框架的并行开发可以加速框架的开发过程.从框架与应用的中间层,框架与应用的接口的结构和形式等方面,对此过程中的重构方法进行了讨论,提出了几种适应于框架与应用并行开发的重构手段.     

Designing collaborative,constructionist and contextual applications for handheld devices

This paper explores current applications for handheld devices and questions which of these make full use of the unique attributes of handheld devices in order to facilitate learning in a pedagogically sensible manner. In order to do so, the paper presents a functional framework which analyses handheld application in relation to their use as well as the pedagogical underpinning, if any, that informs their development. Our framework currently consists of seven distinct categories of application, which we term: administrative, referential, interactive, microworld, data collection, location aware and collaborative. We argue that three categories, namely data collection, location aware and collaborative, are particularly suited to learning with handheld devices when they are informed by collaborative, contextual and constructionist learning theories. Furthermore, we contend that applications of the type just outlined deserve further research since they are not attempting to replicate, or even augment, existing learning scenarios but rather they try to create new learning opportunities which would not be possible without (mobile) technology. Finally, the authors introduce a number of applications and learning scenarios that they have developed for handheld devices and explain their position within the framework.     

基于企业门户统一认证系统的设计与实现

企业门户的统一身份认证可以解决多个系统独立认证的弊端,消除企业中的信息孤岛。文章根据企业中信息系统的特点和项目的时间和成本要求,对基于企业门户的统一认证系统进行了设计与实现,对其他企业门户项目中的相关工作具有一定的借鉴作用。     

基于MVC模式的Web0A系统的设计与实现

为了方便企业的管理和提高协同办公效率,越来越多的企业采用了WebOA系统。针对传统设计模式开发的WebOA系统存在维护成本高、难以扩展等缺陷,文中提出一种基于MVC设计模式的系统开发方案。首先详细介绍了MVC模式的设计思想和ZendFramework的工作流程及原理,然后阐述了系统设计与实现的整个过程。该设计方案充分利用了MVC的结构和特点并已成功应用于某办公自动化系统的开发。实践表明,基于MVC模式开发的OA系统运行稳定,具有较好的灵活性和高效性,并且大大减少了系统的开发周期,达到了预期的效果。     

Scalable framework for blockchain-based shared manufacturing

Shared Manufacturing is a new mode of social manufacturing based on the principles of a sharing economy. This paper presents a scalable framework for blockchain-based Shared Manufacturing that preserves the transparency and immutability characteristics of transaction records, which is critical to building trust between entities in blockchain-based systems. We define a blockchain-based protocol for the service execution according to the design principles of the sharing economy. We present a scalable integration of blockchain technology into the concept of Shared Manufacturing by employing cross-chain solutions. We discuss existing cross chain technologies regarding the requirements of Shared Manufacturing and propose hybrid approach. We compare implementations of the proposed framework on two different blockchain networks: Ethereum public network and Xdai sidechain network. We conduct user-oriented test to explore the performance (cost and time) of the implementations in realistic situations in order to justify the use of the sidechain technology. Results indicate that the implementation on the sidechains provides greater scalability than the implementation on the public blockchain network.     

基于PBAC的层次式组织机构单点登录技术研究

文章提出一种基于策略访问控制模型的单点登录技术,使用以属性和规则为核心的访问策略表达资源的安全需求,一方面通过建立信任联邦实现跨域的身份认证,另一方面通过部署基于SAML标准和XACML模型的层次式属性权威机构进行域内、域间的策略评估,为分布式环境下的单点登录和授权提供了一种安全的解决方案。     

基于Spring MVC及MyBatis的Web应用框架研究

基于EJB等重量级的Web应用框架存在很多问题,如性能差、复杂度高、代码复用率低等,提出了一种B/S结构与C/S结构相结合,采用Spring MVC设计模式和MyBatis为基础的Web应用框架,并对该框架的结构、组成等内容进行分析和研究。以TOPCard信用卡业务系统为应用实例,说明Spring MVC和MyBatis在Web系统中的应用。通过实验结果分析,基于Spring MVC及MyBatis的Web应用框架研究,可以解决性能差、复杂度高、代码复用率低等问题。     

领域驱动模型的WEB软件系统设计研究

首先分析了J2EE3层架构的特性及局限,说明了领域驱动设计模型中的充血模型的优势。通过运用最新JDKI．7及Tomcat的相应改造,设计出能实现以充血模型结构为基础的新型WEB系统开发框架,并通过一简单实例说明架构如何支持系统开发。