gpon design

Select object The most difficult part of object-oriented design is to break down the system into object sets. There are many factors to consider: encapsulation, granularity, dependency, flexibility, performance, evolution, reuse, and so on. They all affect system decomposition, and these factors are usually conflicting with each other.Many objects of design come from analysis models in the real world. Howev

Visual design is mainly in the presentation layer.A color Psychology product manager can also be mastered. The choice of what color is justified.Information clarity.For example: When the user is in trouble, Google will give the problem and give a solution.Visual animals.2/8 distribution principle. Users tend to see only a few key things.At most, the user can remember 7 things than each line is 7 function modules on this basis add or subtract two.Stage

Label:Requirements Analysis---scenariosSuppose you need to design a personnel management system for the company, and assign system login accounts to all leaders and employees. There are several requirements: 1.permission levels are different:company leaders can view all employee information after login, department leaders can only view the information of staff in the department after login, the employee can only view their own information after login;

The UI is intended to be the user interface , an abbreviation for the English user interface. The user interface is literally composed of user and interface, but in fact it also includes the interaction between user and interface, so user interface design includes three aspects of user research, interaction design and interface design. 　　1. User Research User

Words are catching on.In recent years, blog, search and all kinds of social platform has become a popular application, we use text to convey information;Web site generally entered the peak of the revision, the new layout information is more clear and intuitive than ever before, which is a kind of respect for the text/content;The use of words to "inject emotion" to the Web page, making the process of interaction more cordial;Design, the characteristics

Label:I. Interface designRegardless of the student, teacher landing interface is unified, according to the user name entered to determine what kind of interface to enter.After the student login interface:Teacher interface: After the teacher login to the course name interface, select the course to get the second picture.Two. Class diagram designThree. Database designCourses: Course number , classes, teacher number, time, teacher, capacity, prerequisitesTeacher: Teacher number , teacher's name, te

PHP design mode of the use of commissioned design mode, PHP commissioned design mode Pattern definition A delegate is a way to extend and reuse the functionality of a class. It does this by writing an additional class to provide additional functionality and using an instance of the original class to provide the original functionality. Let's say we have a teamlea

Article Description: from product to design. Many web designers think they can do the design, and other things can not be ignored and learn, it is wrong! A good designer, must understand the product itself, the related interactive structure and the user experience and so on common sense! So that designers design things to go into the product to avoid

add missing attributes, specify the type and visibility of the property: In the object-oriented design phase, you need to design each class in detail, omit attributes from the process, and determine the data type of each property, specify the visibility of each property, and the visibility of the property refers to the external object's access to the property, generally including private, protected

Now "domestic" online games have a lot of classic, but there is no denying that the domestic game and the international giants still have some gaps, the game site is also so. Game website design is very important to the game itself, good game site at least to be able to reflect the characteristics and advantages of the game. A well-designed game site will undoubtedly attract more users to try the game. Today, web teaching network from a large number

These problems are frequently encountered in the design: 1. If you want a website that is compatible with mobile phones, tablets, and PCs, you have to customize different versions for different devices. 2. Some pages of the site want to display more content on the next line of the widescreen display, and have to customize a version for the widescreen. 3. Many people are not in full screen of the situation to browse our page, if the page with the br

This series of blog mainly on the background of the game to introduce 3D PvP Network game Common Development technology and C + + advanced programming skills, with this knowledge, you can develop small and medium-sized game projects or 3D industrial simulation projects.The author will be divided into the following three sections to introduce to you (daily update):1, the realization of the basic communication framework, including the game needs analysis, desi