摘要
随着计算机技术的快速发展,各种新平台、新技术不断涌现,使得计算机软件生产厂商及其设计人员面临着如何适应多种平台,多操作系统共存的问题。
人机交互界面的开发在现代软件的开发中占有越来越重要的地位,它把计算机技术和人联系起来,使计算机技术最大程度的人性化。人机交互界面的开发在一套软件中是与系统平台联系最为紧密的一部分,其工作量往往占整个开发工作的很大一部分。针对同功能的程序能够运行在不同的系统平台,并保持一致的界面和功能,从而增强程序的灵活性和可移植性,这种程序的跨平台性越来越受到重视。Qt是一个使用广泛的跨平台图形界面开发工具,可用于Windows、Linux、Mac OSX和许多平台。Qt具有良好的结构化、灵活的面向对象的结构、清晰的文档以及直观的API,为开发跨平台桌面应用程序的人机交互界面提供了良好的支持。
本文首先阐述了人机交互界面一些基本概念和发展状况,介绍了跨平台技术的发展,指出了本文研究的背景、研究的内容和意义。然后介绍了人机交互界面的设计方法和设计过程,结合跨平台人机交互界面自身的特点和实际要求,分析了本系统在开发过程中应遵循的设计规律和组织原则。接着介绍了跨平台软件开发的库,介绍了当今比较流行的跨平台库及其特点,重点介绍了Qt库。通过对人机交互界面的设计和跨平台库的分析,结合本软件的自身的特点,提出了跨平台开发人机交互界面的一些方法和原则。最后,在这些方法和原则的指导下,利用Qt库实现了一个跨平台的人机交互界面。
With the rapid development of computer technology, various new platform and new technology emerged continuously, which made computer software manufacturer and the designers face some problems such as how to adapt to various platform, the problem that operating system coexists.
The development of human-computer interface occupies more and more important position in the development of modern software and it connects the computer technology with people, which makes the computer technology reach the humanity to the greatest degree. Meanwhile, the development of human-computer interface closely connects with the systematic platform in a set of software, Its workload takes up the most part in the whole development work. The program with the same function can run in different systematic platform, and maintain the same interface and functionality, thereby enhancing the flexibility and portability of the procedures; the cross-platform function of the program has been caused of more concern. Qt is GUI for high performance of cross-platform software development and can be used in Windows, Linux, MacOSX and a lot of platforms. Qt has good structure:a flexible object oriented structural, distinct document as well as visual API. It has offered a good support to develop the human-computer interface across the platform application program.
This paper firstly elaborated some basic concepts and the development condition of human-computer interface. It also introduced the development of cross-platform, and pointed out the background, content and the significance of this research. Then, it introduced the design content and importance of the human-computer interface which combined with the actual requirement and the characteristic of cross-platform human-computer interface as well as analyses the design law and organization principle that this system should follow in the development course. The following was about the introduction of cross-platform lib, that was the current popular cross-platform lib and its characteristic, and the focal point was about the Qt lib. Through the design of human-computer interface and the analysis cross-platform lib, combining with the self-characteristic of the software, it suggested that cross-platform method and principle of developing human-computer interface.Finally, under the guidance of these methods and principles ,a human-computer interface cross-platform was set up using Qt lib.
引文
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