Based on the requirement on the software system of electronic lettering machine(ELM) and the advantage of model-view-control(MVC) framework design,thinking about the flexibility of the Command design pattern,a software system based on MVC is set up to make the context of electronic lettering machine available to different kinds of situations.

This paper researches the present condition of Public Supervision System in E-government,and discusses in thoroughly the principles of the State pattern and Command pattern in design patterns.

Study on design mode of recreational fishing gear;

Investigation of .NET Product Developing Method Based on MVC Design Mode;

The design mode study on landscape,place and field view three dollar integrative

Research and development of enterprise application based on EJB design patterns;

Research and Application of Design Patterns in Centralized Control of Substation;

Discussion on designing mode of apartment for the old under aging background;

It introduces the designing concept of courtyard life,combined with practice,it also analyzes its basic designing modes,aims at solving the contradiction between centralization of city residential design in China and traditional life s returning and general needs,offers a new residential types for people.

This essay puts forward the new concept of digital archiectur and appraches the cultural concept,designing mode and educational system of the new concept.