网页设计外文翻译教案资料
Web设计与编程导论(双语)教案
Web设计与编程导论(双语)教案第一章：Web设计概述1.1 课程介绍介绍Web设计与编程导论的课程目标和内容。
强调双语教学的重要性和优势。
1.2 Web设计的基本概念解释Web设计的定义和重要性。
1.3 Web设计的原则与方法介绍Web设计的基本原则，如一致性、可用性、导航等。
讨论Web设计的方法和流程，包括需求分析、设计、开发和测试。
第二章：HTML与CSS基础2.1 HTML简介解释HTML的定义和作用。
介绍HTML的基本结构和常见标签。
2.2 CSS简介解释CSS的定义和作用。
介绍CSS的基本语法和选择器。
2.3 布局和样式演示如何使用HTML和CSS创建基本的网页布局。
介绍常用的CSS布局技术和样式技巧。
第三章：JavaScript基础3.1 JavaScript简介解释JavaScript的定义和作用。
介绍JavaScript的基本语法和数据类型。
3.2 操作DOM介绍DOM（文档对象模型）的概念。
演示如何使用JavaScript操作DOM元素和属性。
3.3 事件处理介绍JavaScript中的事件处理机制。
演示如何使用JavaScript编写事件处理函数。
第四章：Web设计与用户体验4.1 用户体验概述解释用户体验的定义和重要性。
讨论用户体验设计的原则和方法。
4.2 界面设计介绍界面设计的基本原则，如布局、颜色和字体等。
演示如何使用HTML、CSS和JavaScript创建美观的界面。
4.3 交互设计解释交互设计的概念和重要性。
演示如何使用JavaScript和CSS创建交互式的Web元素。
第五章：Web设计与编程最佳实践5.1 代码规范与可维护性强调代码规范的重要性。
介绍常见的代码规范和最佳实践。
5.2 兼容性与性能优化讨论Web设计的兼容性和性能优化问题。
演示如何测试和优化Web页面的兼容性和性能。
5.3 网络安全与隐私保护介绍网络安全和隐私保护的基本概念。
讨论Web设计中应考虑的安全和隐私问题。
网页制作教案模板英语初中
Subject: Information Technology / Computer ScienceGrade Level: 7th-9th GradeDuration: 2 hoursObjective:- To introduce students to the basics of web page creation using HTML and CSS.- To enhance students' ability to design and publish simple web pages.- To encourage creativity and problem-solving skills in technology education.Materials:- Computers with internet access- Textbook or online resources on HTML and CSS- Code editors (e.g., Notepad++, Sublime Text)- Web browsers (e.g., Google Chrome, Mozilla Firefox)- Projector or smartboard for demonstration- Handouts with HTML and CSS syntax examplesActivities:1. Introduction (10 minutes)- Begin the lesson by explaining the importance of web design in the digital age.- Introduce the concept of HTML (Hypertext Markup Language) and CSS (Cascading Style Sheets).- Discuss the role of web browsers in displaying web pages.2. Basic HTML Structure (15 minutes)- Project a sample HTML document on the screen.- Explain the basic structure of an HTML document, including the`<!DOCTYPE html>`, `<html>`, `<head>`, and `<body>` tags.- Discuss the purpose of each tag and how they work together to create a web page.- Provide students with a handout containing HTML syntax examples.3. Hands-on Practice with HTML (30 minutes)- Divide the class into pairs or small groups.- Instruct students to create a simple web page using the basic HTML structure provided.- Encourage students to add headings, paragraphs, and links to their web pages.- Circulate among the groups to offer guidance and answer questions.4. Introduction to CSS (15 minutes)- Introduce the concept of CSS and its role in styling web pages.- Explain how to link an external CSS file to an HTML document.- Discuss basic CSS properties such as `color`, `font-size`, and`background-color`.5. Hands-on Practice with CSS (30 minutes)- Instruct students to apply CSS styles to their HTML web pages.- Guide them on how to create a new CSS file and link it to their HTML document.- Encourage students to experiment with different CSS properties to customize their web pages.- Monitor students' progress and provide assistance as needed.6. Review and Demonstration (15 minutes)- Ask students to demonstrate their web pages to the class.- Encourage peer review and feedback.- Highlight the best practices and innovative designs.7. Publishing the Web Pages (10 minutes)- Explain the process of publishing web pages on the internet.- Provide instructions on how to use free web hosting services.- Encourage students to publish their web pages and share the URLs with their classmates.8. Conclusion (5 minutes)- Summarize the key points of the lesson.- Ask students to reflect on what they have learned and what they enjoyed about the activity.- Assign a homework task, such as creating a more complex web page or researching a topic related to web design.Assessment:- Observe students' participation and progress during the activities.- Evaluate the quality of the web pages created by each student.- Collect and review the published web pages to assess the students' understanding of HTML and CSS.Homework:- Students are required to create a more advanced web page using HTML and CSS, incorporating at least three different CSS properties.- They should also research a topic related to web design and include a section on their web page discussing what they learned.Note: Adjust the lesson plan as needed based on the students' prior knowledge and the available resources.。
计算机专业毕业设计说明书外文翻译(中英对照)
Talking about security loopholesRichard S. Kraus reference to the core network security business objective is to protect the sustainability of the system and data security, This two of the main threats come from the worm outbreaks, hacking attacks, denial of service attacks, Trojan horse. Worms, hacker attacks problems and loopholes closely linked to, if there is major security loopholes have emerged, the entire Internet will be faced with a major challenge. While traditional Trojan and little security loopholes, but recently many Trojan are clever use of the IE loophole let you browse the website at unknowingly were on the move.Security loopholes in the definition of a lot, I have here is a popular saying: can be used to stem the "thought" can not do, and are safety-related deficiencies. This shortcoming can be a matter of design, code realization of the problem.Different perspective of security loo phole sIn the classification of a specific procedure is safe from the many loopholes in classification.1. Classification from the user groups:● Public loopholes in the software category. If the loopholes in Windows, IEloophole, and so on.● specialized software loophole. If Oracle loopholes, Apach e, etc. loopholes.2. Data from the perspective include :● could not reasonably be read and read data, including the memory of thedata, documents the data, Users input data, the data in the database, network,data transmission and so on.● designa ted can be written into the designated places (including the localpaper, memory, databases, etc.)● Input data can be implemented (including native implementation,according to Shell code execution, by SQL code execution, etc.)3. From the point of view of the scope of the role are :● Remote loopholes, an attacker could use the network and directly throughthe loopholes in the attack. Such loopholes great harm, an attacker can createa loophole through other people's computers operate. Such loopholes and caneasily lead to worm attacks on Windows.● Local loopholes, the attacker must have the machine premise accesspermissions can be launched to attack the loopholes. Typical of the local authority to upgrade loopholes, loopholes in the Unix system are widespread, allow ordinary users to access the highest administrator privileges.4. Trigger conditions from the point of view can be divided into:● Initiative trigger loopholes, an attacker can take the initiative to use the loopholes in the attack, If direct access to computers.● Passive trigger loopholes must be computer operators can be carried out attacks with the use of the loophole. For example, the attacker made to a mail administrator, with a special jpg image files, if the administrator to open image files will lead to a picture of the software loophole was triggered, thereby system attacks, but if managers do not look at the pictures will not be affected by attacks.5. On an operational perspective can be divided into:● File opera tion type, mainly for the operation of the target file path can be controlled (e.g., parameters, configuration files, environment variables, the symbolic link HEC), this may lead to the following two questions: ◇Content can be written into control, the contents of the documents can be forged. Upgrading or authority to directly alter the important data (such as revising the deposit and lending data), this has many loopholes. If history Oracle TNS LOG document can be designated loopholes, could lead to any person may control the operation of the Oracle computer services;◇information content can be output Print content has been contained to a screen to record readable log files can be generated by the core users reading papers, Such loopholes in the history of the Unix system crontab subsystem seen many times, ordinary users can read the shadow ofprotected documents;● Memory coverage, mainly for memory modules can be specified, writecontent may designate such persons will be able to attack to enforce the code (buffer overflow, format string loopholes, PTrace loopholes, Windows 2000 history of the hardware debugging registers users can write loopholes), or directly alter the memory of secrets data.● logic errors, such wide gaps exist, but very few changes, so it is difficult todiscern, can be broken down as follows : ◇loopholes competitive conditions (usually for the design, typical of Ptrace loopholes, The existence of widespread document timing of competition) ◇wrong tactic, usually in design. If the history of the FreeBSD Smart IO loopholes. ◇Algorithm (usually code or design to achieve), If the history of Microsoft Windows 95/98 sharing password can easily access loopholes. ◇Imperfections of the design, such as TCP / IP protocol of the three-step handshake SYN FLOOD led to a denial of service attack. ◇realize the mistakes (usually no problem for the design, but the presence of coding logic wrong, If history betting system pseudo-random algorithm)● External orders, Typical of external commands can be controlled (via the PATH variable, SHELL importation of special characters, etc.) and SQL injection issues.6. From time series can be divided into:● has long found loopholes: manufacturers already issued a patch or repairmethods many people know already. Such loopholes are usually a lot of people have had to repair macro perspective harm rather small.● recently discovered loophole: manufacturers just made patch or repairmethods, the people still do not know more. Compared to greater danger loopholes, if the worm appeared fool or the use of procedures, so will result in a large number of systems have been attacked.● 0day: not open the loophole in the private transactions. Usually such loopholes to the public will not have any impact, but it will allow an attacker to the targetby aiming precision attacks, harm is very great.Different perspective on the use of the loopholesIf a defect should not be used to stem the "original" can not do what the (safety-related), one would not be called security vulnerability, security loopholes and gaps inevitably closely linked to use.Perspective use of the loopholes is:● Data Perspective: visit had not visited the data, including reading and writing.This is usually an attacker's core purpose, but can cause very serious disaster (such as banking data can be written).● Competence Perspective: Major Powers to bypass or p ermissions. Permissionsare usually in order to obtain the desired data manipulation capabilities.● Usability perspective: access to certain services on the system of controlauthority, this may lead to some important services to stop attacks and lead to a denial of service attack.● Authentication bypass: usually use certification system and the loopholes willnot authorize to access. Authentication is usually bypassed for permissions or direct data access services.● Code execution perspective: mainly procedures for the importation of thecontents as to implement the code, obtain remote system access permissions or local system of higher authority. This angle is SQL injection, memory type games pointer loopholes (buffer overflow, format string, Plastic overflow etc.), the main driving. This angle is usually bypassing the authentication system, permissions, and data preparation for the reading.Loopholes explore methods mustFirst remove security vulnerabilities in software BUG in a subset, all software testing tools have security loopholes to explore practical. Now that the "hackers" used to explore the various loopholes that there are means available to the model are:● fuzz testing (black box testing), by constructing procedures may lead toproblems of structural input data for automatic testing.● FOSS audit (White Box), now have a series of tools that can assist in thedetection of the safety procedures BUG. The most simple is your hands the latest version of the C language compiler.● IDA anti-compilation of the audit (gray box testing), and above the sourceaudit are very similar. The only difference is that many times you can obtain software, but you can not get to the source code audit, But IDA is a very powerful anti-Series platform, let you based on the code (the source code is in fact equivalent) conducted a safety audit.● dynamic tracking, is the record of proceedings under different conditions andthe implementation of all security issues related to the operation (such as file operations), then sequence analysis of these operations if there are problems, it is competitive category loopholes found one of the major ways. Other tracking tainted spread also belongs to this category.● patch, the software manufacturers out of the question usually addressed in thepatch. By comparing the patch before and after the source document (or the anti-coding) to be aware of the specific details of loopholes.More tools with which both relate to a crucial point: Artificial need to find a comprehensive analysis of the flow path coverage. Analysis methods varied analysis and design documents, source code analysis, analysis of the anti-code compilation, dynamic debugging procedures.Grading loopholesloopholes in the inspection harm should close the loopholes and the use of the hazards related Often people are not aware of all the Buffer Overflow Vulnerability loopholes are high-risk. A long-distance loophole example and better delineation:●R emote access can be an OS, application procedures, version information.●open unnecessary or dangerous in the service, remote access to sensitiveinformation systems.● Remote can be restricted for the documents, data reading.●remotely important or res tricted documents, data reading.● may be limited for long-range document, data revisions.● Remote can be restricted for important documents, data changes.● Remote can be conducted without limitation in the important documents, datachanges, or for general service denial of service attacks.● Remotely as a normal user or executing orders for system and network-leveldenial of service attacks.● may be remote management of user identities to the enforcement of the order(limited, it is not easy to use).● can be remote management of user identities to the enforcement of the order(not restricted, accessible).Almost all local loopholes lead to code execution, classified above the 10 points system for:●initiative remote trigger code execution (such a s IE loophole).● passive trigger remote code execution (such as Word gaps / charting softwareloopholes).DEMOa firewall segregation (peacekeeping operation only allows the Department of visits) networks were operating a Unix server; operating systems only root users and users may oracle landing operating system running Apache (nobody authority), Oracle (oracle user rights) services.An attacker's purpose is to amend the Oracle database table billing data. Its possible attacks steps:● 1. Access pea cekeeping operation of the network. Access to a peacekeepingoperation of the IP address in order to visit through the firewall to protect the UNIX server.● 2. Apache services using a Remote Buffer Overflow Vulnerability direct accessto a nobody's competence hell visit.● 3. Using a certain operating system suid procedure of the loophole to upgradetheir competence to root privileges.● 4. Oracle sysdba landing into the database (local landing without a password).● 5. Revised target table data.Over five down for process analysis:●Step 1: Authentication bypass●Step 2: Remote loopholes code execution (native), Authentication bypassing ● Step 3: permissions, authentication bypass● Step 4: Authentication bypass● Step 5: write data安全漏洞杂谈Richard S. Kraus 网络安全的核心目标是保障业务系统的可持续性和数据的安全性，而这两点的主要威胁来自于蠕虫的暴发、黑客的攻击、拒绝服务攻击、木马。
网页制作外文文献及翻译
网页制作Dreamweaver外文文献及翻译Dreamweaver 3.0 is the newest version of Dreamweaver-a tool for compiling web pages, introduced by Macromedia Company. Its feature is "what you see is what you get"-this is really a blessing for novice. Also, it has functions for web site management, facilitating design and management of multiple web sites. Fig. 1 is the interface when Dreamweaver 3. 0 is activated.1. A Brief Introduction of Dream weaverCompared with its predecessor Dreamweaver 2.0, Dreamweaver3.0 is more friendly and practical for use in its operating interface, and its function has been further improved. Readers will see it is so easy to create web pages, without writing any page of code to rapidly create dynamic HTML web pages, for example, cartoon and layers; and by using its object browser, it is also possible to create web pages applicable to various platforms and browsers with very good compatibility; and it is also possible to make use of Roundtrip HTML technology provided by Dreamweaver to control the source code generated by Dreamweaver with high precision.More significantly, Dreamweaver provides you with individualized space. Your can create your own object and command, revise menu and quick keys, or even create you own JavaScript to expand Dreamweaver. It is not exaggerated at all that Dreamweaver brings in unlimited space for you to create your web pages.2. A General Description of Dreamweaver Functions(1) documents foundation and useThe documents operation is the homepage manufacture foundation. Dreamweaver not only may found the blank documents and based on the template documents, but also may edit the HTML document which in other procedures founds, for example FrontPage and so on. Dream weaver has also provided the history (History) the kneading board. The historical kneading board has recorded the reader the history which operates in the documents window, it may help you to abolish or the repetition step, and greatly simplified the homepage manufacture process. Chart 2 has demonstrated one demonstration history kneading board method.* Joins the picture and the super linkA homepage only has the text is unable to attract the person, must in the documents China and Canada person other elements. The picture certainly is inevitable, form and ultra link also essential, is abundant can suffice fascinatingly.Dream weaver provided two kinds to insert the person picture the way. The reader may choose the menu to order Insert/Image; Also may select The super link is in the documents the most important part. Had it to be allowed freely to jump from a position to another weaver formidable function has provided the many kinds of links way possibility. The mostcommon link is between the documents link, this regarding Dream weaver said certainly is a cinch. Also may found the special link using Dream weaver, for example uses the E-Mail linking the homepage, in order to promptly gains the outside each kind of feedback information, this regarding a good website said is extremely important. Also may found the script link, moves the corresponding JavaScript script, thus realizes the corresponding operation.*Website managementThe website management is the Dream weaver essence are partial. Using Dream weaver, may facilitate quickly establishes the local website and the far-end website. Dream weaver may help user's to duplicate far-end server on far-end website on the local computer, constitution local website; Also may duplicate the local website on the far-end server, constitution far-end website. Dream weaver can maintain between the local website and far-end website content synchronization, guaranteed the user carries on the renewal with wishes fulfilled to the far-end website. It also may carry on the test to in the website link, discovers break and the mistake, and carries on the repair, guarantees the website structure the accuracy.Dynamic homepage manufactureThe newest standard HTML 4.0 languages the original will expand some brand-new domains, turned the true abbreviation will be DHTML). But JavaScript and the CSS language is in function formidable DHTML the most main part. CSS and the JavaScript coordination use, may extremely simply realize the homepage dynamic effect.(2) Dream weaver 3.0 new functionsDream the weaver 3.0 new characteristics strengthened the function, improved the website management, the permission user increase navigation fence (Navigation Bar), the picture map (Images Maps) and so on the element, causes the work flow, the user and expands Dream weaver.(a) HTML edition functionFast label editorCauses the user not to need to leave Dream the weaver documents window to be allowed fast to revise, the increase, to move the HTML label.HTML styleIn 3.0 may use the standard HTML label in Dream weaver which the multi- browsers supports to found the style (for instance label and label), but in the before edition, only could use the level to fold the style list (CSS).(c) Founds and the edition object and the page elementThe user may be allowed with ease to obtain the commonly used object in the object kneading board. 1662。
网站建设外文文献翻译
On site construction technology1 IntroductionThe development of network technology for today's global information exchange and sharing funding source in the establishment of contacts and provide more channels and possible. Homes will be known world affairs, according few keyboard or a few mouse clicks can be distant friends thousands of miles away exchanges, and online communications, Internet browsing, on-line interactive, e-commerce has become a modern part of people's lives. Internet era, has created the new people's work and lifestyle, the Internet, openness and sharing of information model, breaking the traditional mode of information dissemination many barriers for people with new opportunities. With computers and the advent of the information age, the pace of the advance of human society in gradually accelerated. In recent years the development of web design, fast people occupied.With the development of web design, a colorful online website together one scenic beauty. To design aesthetic and practical web site should be thoroughly master the building techniques. In building site, we analyzed the websites of objectives, contents, functions, structure, the application of more web design technology. 2 the definition of websit How definition of websitesWeb site identified the tasks and objectives, the building site is the most important issue. Why people will come to your website You have a unique service The first people to your website is to what They will come back All these issues must be taken into account when the site definition of the problem. Definition site to, first of all, the entire site must have a clear understanding of what the design should understand in the end, the main purpose of the mission, how to carry out the task of organization and planning. Second, to maintain the high-quality Web site. Many websites in the face of strong competition from high-quality product is the greatest long-term competitive advantage. An excellent Web site should have the following:1 users visit Web site is faster.2 attention to the feedback and updates. To update the content of the website and timely feedback the user's requirements;3 Home design to be reasonable. Home to the first impression left by visitors is important, the design must be attractive in order to have a good visual effect. The contents of the website and functionThe content of the web site is to be a new, fast, all three sides. The content of the website, including the type of static, dynamic, functional and things to deal with. Website content is determined in accordance with the nature of the site, in the design of the site, commercial websites, popular science site, company websites, teaching and exchange websites, the content and style are different. We have established websites with the nature of these types of sites are not the same. The structure website1 site structure;2 definition of navigation;3 Visual Design;4 framework and design pages. 3 Site Design and ImplementationWith increasing demands on design, high style, high-grade design work before gaining popularity. This also to the designers have put forward higher requirements, from this point of view, the plate design is to meet the requirements of the people should be and Health. The rapid development of science and technology, the Internet into millions of households, also produced a new design space, and a new web design an important part of the field of design. Excellent web design, we must have good creative, so that the audience can be difficult to shift attention long time, produce power. Layout is very important, through text, graphics space portfolio, can best express harmony with the United States. If you want to further understand website design, made separately from other web site's homepage, you need to have more like CSS, javascript, CGI, and other web design technology. In building on the site of the CSS, javascript and other web design technology. Application Design website CSS(1)What is CSS CSS is a style sheet stylesheet technology. Some of them called CSS Cascading Stylesheet.2 the combination of CSS and HTML form. Mode 1: The CSS content, as defined in the writing between the labels. Mode 2: CSS will be preserved as a separate text file, and then from labels to call.3 CSS the web site of examples. The web site pages, and increase the following definition so that the pages show with special effects. Application Design website javascriptjavascript and the emergence of making information between users is not only a display and browse the relationship, but to achieve a real-time,dynamic, cross-expression. Thus based on the CGI static HTML pages will be to provide dynamic real-time information, and customer response to the operation of the Web pages replaced. javascript scripting is satisfy this demand arising from the language. It's loved by extensive user. Many scripting language it is in a relatively good. and effectively achieve the combination of the computer network computing and network blueprint.4 Construction on the site ExperienceWith the popularity of the Internet, more and more government departments, companies and individuals aware of the need to have their own independent Web site. Below on the design and production sites on some of their own experience. After conducting systematic analysis End, we should carry out system design. Web page design similar to the development of software design, top-down, bottom-up and continuous updating, and other design methods. The main task is to design the content of the sites, including the website information organization structure, appearance, content block, navigation and links, directory structure design. System design is the site ready before the concrete realization of the website to further the realization of more specific requirements, the overall effect on the website, local details have a clearer idea. This entire process is the key site planning.Next is how to achieve their own Web site design issues. The realization of the site, I think the need to be considered in two parts: the realization website; Web servers can be achieved. In the process of achieving website, technology selection is very important. Former major use HTML language, the stronger the interactive website, the proposed use of ASP, JSP, PHP and other programming to help achieve,the more complex Web site may also have its own database. The latter is based on all kinds of different operating systems used Web server software installation and debugging. This stage is the whole process of the most important and most time-consuming part.When we completed the work, the need for website released. At this stage of the production on the website drawing to a close, the main task is to do a good job in the website release to the network, the web site for final modifications, testing, homepage can guarantee normal operation of the network.Published in the website after website to deal with various aspects of the tests, including the possibility of any different web browsers, different visitors have shown normal, ASP, JSP, PHP normal procedure can work, and so on. This stage is the website of trial operation period,the website at this time should be to make up for various shortcomings, the website will be more perfected.After a period of operation, the site entered the normal operation period, the main task is to update outdated information website, the visitor's message timely feedback to further improve the website, the introduction of new technologies constantly update website, visit web pages more quickly, more aesthetic appearance, Information Resources richer.Above is the establishment of the station to roughly follow the seven steps, seven steps are complementary, but can be the basis of ease of website and complexity of a weakening or strengthening appropriate link. In short, building a successful web site is not an easy task, it needs all-round consideration, the Composite various factors.5 concluding remarksWith the rapid development of Internet technology, in all walks of life have joined the industry to the Internet. Whether from the management side, or from a commercial point of view, the Internet can bring immense vitality. Internet to become a talented designer Shi new world. People will continue to explore, will be the site of the building in the application of new technologies in the web site.网站建设技术1 介绍网络技术的发展,为今天全球性的信息交流与资源共享和交往提供了更多的途径和可能;足不出户便可以知晓天下大事,按几下键盘或点几下鼠标可以与远在千里之外的朋友交流,网上通信、网上浏览、网上交互、网上电子商务已成为现代人们生活的一部分;Internet 时代, 造就了人们新的工作和生活方式,其互联性、开放性和共享信息的模式,打破了传统信息传播方式的重重壁垒,为人们带来了新的机遇;随着计算机和信息时代的到来,人类社会前进的脚步在逐渐加快;近几年网页设计发展,快得让人目不暇接;随着网页设计技术的发展,丰富多彩的网页成为网上一道亮丽的风景线;要想设计美观实用的网页就应该深入掌握网站建设技术;在建立网站时,我们分析了网站建立的目的、内容、功能、结构,应用了更多的网页设计技术;2 网站的定义如何定义网站确定网站的任务和目标,是建设网站所面临的最重要的问题;为什么人们会来到你的网站你有独特的服务吗人们第一次到你的网站是为了什么他们还会再来吗这些问题都是定义网站时必须考虑的问题;要定义网站,首先,必须对整个网站有一个清晰认识,弄清到底要设计什么、主要的目的与任务、如何对任务进行组织与规划;其次,保持网站的高品质;在众多网站的激烈竞争中,高品质的产品是长期竞争的最大优势;一个优秀的网站应具备：1用户访问网站的速度要快；2注意反馈与更新;及时更新网站内容、及时反馈用户的要求； 3首页设计要合理;首页给访问者留下的第一印象很重要,设计务必精美,以求产生良好的视觉效果;网站的内容和功能在网站的内容方面,就是要做到新、快、全三面;网站内容的类型包括静态的、动态的、功能的和事物处理的;确定网站的内容是根据网站的性质决定的,在设计政府网站、商业网站、科普性网站、公司介绍网站、教学交流网站等的内容和风格时各有不同;我们建立的网站同这些类型的网站性质均不相同;网站的结构1网站的结构； 2定义导航； 3可视化设计； 4设计框架和页面;3 网站的设计与实现随着人们对设计的要求越来越高,高格调,高品位的设计作品,才深受人们的欢迎;这也就给设计者们提出了更高的要求,从这个角度说,板式设计正是满足了人们的要求应需而生;科技的飞跃发展, 让Internet 走进了千家万户,也产生出新的设计领域空间,而网页设计成为新的设计领域的重要内容;优秀的网页设计,必须有好的创意,才能使观者视线久久难移,产生震撼力;版面设计是很重要的,通过文字、图形的空间组合,能最佳的表达出和谐与美;如果想进一步认识网页设计,做出有别于一般网站的网页,就需要掌握更多像CSS 、javascript 、CGI 等网页设计技术;在网站的建设中就应用了CSS 、Javascript 等网页设计技术;应用CSS 设计网页1 什么是CSS CSS 是一种样式表stylesheet技术;也有的人称之为层叠样式表 Cascading Stylesheet;2 CSS与HTML的结合方式;方式一：将所定义的CSS内容书写在这一对标签之间;方式二：将CSS内容单独保存为一个文本文件,再由标签来调用;3 CSS在网站中的应用事例;在网站中的页面,增加了以下的定义, 使页面有特殊的显示效果;应用Javascript 设计网页Javascript的出现使得信息和用户之间不仅只是一种显示和浏览的关系,而是实现了一种实时的、动态的、可交式的表达能力;从而基于CGI静态的HTML 页面将被可提供动态实时信息,并对客户操作进行反应的Web页面的取代;Javascript脚本正是满足这种需求而产生的语言;它深受广泛用户的喜爱;它是众多脚本语言中较为优秀的一种;与的结合有效地实现了网络计算和网络计算机的蓝图;4 关于网站建设的几点体会随着Internet的普及,越来越多的政府部门、公司和个人意识到需要拥有自己的独立网站;下面就设计和制作网站谈谈自己的一些体会;在进行完系统分析之后,我们就应该进行系统的设计;网页的设计类似于软件开发的设计,有自顶向下、自底向上和不断增补等设计方法;主要任务是网页内容的设计,包括网页的信息组织结构、外观、内容分块、导航与链接、目录结构等设计;系统设计是网站具体实现前的准备,对网页的实现进一步提出更具体的要求,对网页的整体效果、局部细节有更明确的设想;这个过程是整个网站规划中的关键;接下来就是如何将自己设计的网站实现的问题;对于网站的实现,我认为需要考虑两部分：网页的实现；Web服务器的实现;在网站实现的过程中,技术选型很重要;前者主要使用HTML语言,对于交互性较强的网站来说,建议采用ASP、JSP、PHP等编程来辅助实现,更为复杂的网站可能还会有自己的数据库;后者则用到各种基于不同操作系统的Web服务器软件的安装、调试;这个阶段是整个过程中最主要也最耗时的一部分;当我们完成了上述工作后,就需要进行网页发布了;到了这个阶段,网页制作就接近尾声,主要工作是把做好的网页发布到网络上,对网页作最后的修改、测试,保证网页能在网络上正常地运行;在网页发布以后,应对网页进行各个方面各种情况的测试,包括网页能否对任何不同的浏览器、不同的访问者都表现正常,ASP、JSP、PHP程序能否正常工作等等;这个阶段是网页的试运行期,此时应把网页的各种缺陷尽量弥补,使网页更加完善;经过一段时期的运行,网站就进入了正常运行期,主要工作是及时更新网页过时的信息,及时对访问者的留言做出反馈,进一步完善网页,不断采用新的技术更新升级网页,使网页的访问更迅速,外观更美观,信息资源更丰富;以上就是建站要大体遵循的七个步骤,这七个步骤是相辅相成的,但可根据网页的难易程度和复杂度适当增强或减弱某个环节;总之,建设一个成功的网站并非一件容易的事,它需要全方位考虑,综合各方面的因素;5 结束语随着Internet技术的突飞猛进,各行各业都在加入Internet的行业中来;无论从管理方面,还是从商业角度来看,Internet都可以带来无限生机;Internet成为了一个设计人员施才华的新天地;人们将不断探索,将网站建设中的新技术应用在网站中;。
网页设计专业毕业设计外文翻译
Produce the design of the tool and realize automaticallyon the basis of JSP webpageIt is an important respect that Internet uses that Web develops technology, and JSP is the most advanced technology that Web is developed , it is present Web developer's first-selected technology. But because JSP has relatively high expectations for Web developer, a lot of general Web developers can not use this advanced technology . The discussion produces the design of the tool and realizes automatically on the basis of JSP webpage of the template and label storehouse, put forward concrete design philosophy and implementation method .With the popularization of WWW (World Wide Web ), the technology of the dynamic webpage is developed rapidly too. From original CGI (Common Gateway In-terface ) to ASP (Active Server Page ), have met the webpage developer to the demand for developing technology of the dynamic webpage to a certain extent. But no matter CGI or ASP have certain limitation, for instance, consuming to resources of the server of CGI, ASP can only be used etc. with Microsoft IIS, all these have limited scope of application of the technology, have hindered their popularization greatly. The vast page developers all look forward to a kind of unified page and develop technology earnestly, characteristic that this technology there should be：①Have nothing to do with the operating platform, can run on any Web or the application program server ;②Show the logic and page of application program that separates ; ③Offer codes to put in an position, simplify and develop the course based on interactive application program of Web.JSP (Java Server Page ) technology is designed and used for responding to the request that like this. JSP is developed technology by the new webpage that Sun MicroSystem Company put out in June of 1999, it is that Web based on Java Serv-let and the whole Java system develops technology, and Servlet2. Expansion of 1API. Utilize this technology, can set up advancedly , safely and stepping dynamic websites of the platform .Java is the future mainstream to develop technology , have a lot of advantages . JSP is Java important application technology on Internet/Intranet Web , get extensive support and admit, it can conbine with various kinds of Java technology together intactly , thus realize very complicated application.As a kind of technology of development based on text , taking showing as centre, JSP has offered all advantages of Java Servlet. Logic function in order to make sure and showing the function was separated , JSP can already work with JavaBeans , Enterprise JavaBeans (EJB ) and Servlet . The developer of JSP can finish the work that majority and website's logic are correlated with through using JavaBeans , EJB and Servlet , and only assign the work shown to JSP page to finish. Content and show advantage that logic separate lie in , upgrade person , page of appearanceneedn't understand Java code , the personnel upgrading Javas needn't be experts who design webpage either. This can define Web template in JSP page with Javas , in order to set up websites made up of a page with similar appearance. Java completion data offer, have Java code among template, this mean template these can write by one HTML person is it maintain to come.JSP develops technology as the webpage of the mainstream at present, has the following characteristics：(1) Separate the formulation and showing of the content : Using JSP technology, the page developer of Web can use HTML or XML identification to design and format the final page . Use JSP identification or bound foot turn into dynamic content of page actually (whether content according to is it come change to ask). Produce logic of content of the identification and JavaBeans package , truss up of the little script encapsulation, all scripts run in the end of the server. If key logic among identification and JavaBeans, then other people, such as Web administrative staff and page designer encapsulation, can edit and use JSP page , and does not influence the formulation of the content .(2) Emphasize the reusable package : Most JSP pages depend on the reusable one, the package stepping the platform finish more complicated treatment with required application program. Benefitting from the independence of operating platform of Java, the developer can be very convenient to share and exchange and carry out the ordinary package that operated, or make these packages used by more users. The method based on package has accelerated the total development course, the efficiency of improving the project and developing wholly greatly.Though JSP is powerful, it requires the webpage developer should be quite familiar with Java. There are still relatively few Java programmers now, for general webpage developer, the grammar of JSP is more difficult to grasp . So, need a kind of webpage developing instrument and offer commonly used JSP application to general webpage developer, is it understand general page develop developer of technology (HTML ) can use strong function of JSP too only to let.Systematic design object and main technology of use：(1)Design objectSystem this design object for understand but HTML understand general webpage developer of JSP offer a webpage developing instrument at all only, enable them to follow the systematic file, use the daily function of JSP through the label, produce one finally and only include static HTML and dynamic JSP webpage of JSP label.(2)Main technologyThis system is in the design, consider using the technology of the template and JSP label to realize mainly.1、Technology of the templateThe technology of the template is widely applied to various kinds of development and application system. It produces some commonly used frame structure in advance , uses the family to choose the template from the template storehouse conveniently according to the needs of one's own one, is it is it put up to go again by oneself to need , save construction period in user , facilitate use of user. In this system , classify the page according to the function type , sum up the commonly used page type, produce the template storehouse.2、Storehouse technology of the labelIn JSP, movements can create and visit the language target of the procedure and influence the element exported and flowed. JSP has defined six standard movements. Except six standard movement these, user can define own movement finish the specific function. These movements are known as the customer movement, they are the reusable procedure module . Through movement these, programmer can some encapsulation stand up too display function of page in JSP page, make the whole page more succinct and easier to maintain. In a JSP page, movements were transfered through the customer label in these customers. And the label storehouse (Tag Library ) is the set of the customer label.JSP label storehouse is that one kind produces the method based on script of XML through JavaBeans. It is one of the greatest characteristics of JSP. Through the label storehouse , can expand JSP application unrestrictedly , finish any complicated application demand.JSP label storehouse has the following characteristic：①Easy to use: The labels in JSP and general HTML marks are totally the same in appearance, it is as convenient as ordinary HTML mark to use.②The easy code is paid most attention to: Every label in the label storehouse can finish certain function . Define ready to eat one label storehouse , is it pack one Jar file the label storehouse to need only, then only need use this label storehouse in other systems afterwards, needn't develop codes again , has raised the system and developed efficiency greatly, have reduced the development cost.③The easy code is safeguarded: All application logic is encapsulated in label processor and JavaBeans, all labels concentrate on a label storehouse. If need to upgrade codes or need to revise the function on a webpage, only need to revise the corresponding label. Maintain way in unison through this kind , it is unnecessary in each webpage is it is it fix to act as to get onning, have reduce the work load safeguarded greatly, has economized the cost of safeguarding.④The easy system is expanded : If need to add the new function to the system , only need to define a new label to finish this function, do not need to do any change to other respects of thesystem. Can inherit JSP normal characteristics of various fields in the label storehouse. Can expand and increase the function of JSP unrestrictedly like this, and does not need to wait for the appearance of the next edition JSP .Systematic composition and realizing：(1)The system making upThis system is made up of four parts mainly：1、The database joins some: This system supports several daily databases , including Oracle, Sybase, MSSQLServer, MySQL and DB2, use JDBC and database to link to each other according to database type and database name , user name , password that users offer that users choose.2、The basic form of system produces some: After joining with the database , produce the basic form TC-Tables and TC-Columns of two systems according to the user name linking to each other with the database , TC-Tables form includes English name , Chinese name and some attribute of form belonging to this user in this database , for instance can revise , can inquire about ; The Chinese and English name of the row and some other attribute that TC-Columns form includes belonging to all forms of this user's in this database . For instance can show , can inquire about . Basic information of the database that these basic forms of two systems provide to user's institute for use in the course of development of the whole system.3、The template is chosen to produce some with the webpage: This part is a key part of a system. It includes two pieces of sub module .①The template is chosen some: The system offers the template to user and chooses the interface, let users choose the templates used from the template storehouse according to the need.②The template is dealt with some: According to template that user choose, system transfer designated template deal with module is it punish to go on to these template. When dealing with the label that the procedure meets in the template, offer the mutual interface to user, let user input parameter for designated label , prove system validity of label that user input. Finished the formulation of JSP page systematically finally.Webpage preview is with revising some: After the webpage was produced out, the system has offered a webpage preview window and code to user and looked over that revises the window. Through this preview window, users can look at the result of JSP page produced out in advance . If user static result of respect in page very satisfied, user can through code look over revise window revise HTML code of code. If users have further demands for the static result of the page, the system has also offered a piece of interface which transfers DreamWeaver editing machine to user, users can use it to carry on further modification and perfection to the static result of JSP page that is produced out .(2)Systematic realization1、Realization of the template storehouse and label storehouseThe planning and design of the label storehouse are essential in the whole system design, efficiency that the degree and system that are put in an position have operated that its relation has reached codes. Its planning should follow the following principle .(1) Should try one's best little including static HTML among label. To general user, the label is transparent. Users can not look over and revise labels . If include too many static HT-ML sentence in the label , will influence the modification and perfection of user's static result to the page, limit the use of the label.(2) Try one's best to raise the paying most attention to degree of the code. Is it is it is it is it is it is it get to JSP public JSP out to withdraw to use to try one's best to classify to go on to use, form labels. Do not use and realize this application repeatedly in each label . While revising and perfecting to using like this , only need to revise this label, maintenance of the easy code.(3) Facilitate users' use. While designing the label storehouse , should fully consider users' operating position , it can very easy and understanding and using labels conveniently to use the family.①Definition of the label storehouse: Define a label storehouse, must define a label storehouse and describe the file (TLD ) at first . This is a file of script based on XML, have defined the edition of XML in this file , codes used, the edition , name and definition and parameter of all labels included in this storehouse of the label storehouse of the edition of the label storehouse , JSP used describe, including the name of the label, corresponding Javas of label, description information of the label ,etc..②Realization of the label: One label first special Java type, this each must inherit TagSupports , this each is in javax. servlet. jsp. Define in tagext bag . In the labels, the parameter which includes this label initializes the subject treatment method (Handler ) of method (Set/Get ) , label and method available for making the first class label to adjust,etc..③Realization of the template : A template is that one contains JSP file that labels quoted . In order to quote the labels defined in the template , must introduce the label storehouse at first .＜％＠taglib uri＝“tag．tld”prefix＝“ctag”％＞Among them uri appoints the label storehouse to describe the route of the file ; Prefixes used when prefix appoints to quote labels.While quoting the designated label in the template , use the designated prefix while introducing the label storehouse, appoint the name of the label; It is the parameter assignment of the label.2、Systematic development environmentWhat this systematic subject procedure making is used is JBuilder 6 of Borland Company. 0, it is Front-Page2000 of Microsoft Company that the template is developed and used, what the label storehouse is developed and used is UltraEdit editing machine, what JDK is adopted is JDK1.4. The system testing environment is JRun3. 0.Java future mainstream to develop language, and Java using JSP will become major technology that Web will be developed in the future too mainly at Web. This system has adopted the label storehouse , one of the biggest characteristics of JSP, enable the general Web developer to use JSP strong dynamic page function conveniently too, develop JSP dynamic Web page of the modern techniques. Because this system adopts Java to develop, can run under the operating system of any support graphic interface , have realized complete having nothing to do with the platform. This system is easy to expand and perfect. Can consider offering the interface to user afterwards , will use the family to expand the template storehouse and label storehouse by oneself, strengthen the systematic function further.List of references：[1] Cay S. Horstmann,Gary Cornell. Java 2 key technology (CoreJava 2 ) [M ]. Beijing: Publishing house of the mechanical industry.[2] Bruce Eckel. Java programming thought (Thinking in Java ) [M ]. Beijing: Publishing house of the mechanical industry.[3] Joseph L. Weber. Java 2 programming is explained in detail (Using Java 2) [M ]. Beijing: Electronic Industry Press.[4] Borland Company. Building Applications with JBuilder.基于JSP网页自动生成工具的设计与实现Web开发技术是Internet应用的一个重要方面，而JSP又是Web开发的最先进的技术，是当前Web开发人员的首选技术。
网站设计外文翻译---社交网站：定义、历史以及内涵
danah m. boyd, Nicole B. Ellison
Journal of Computer-Mediated Communication, Volume 13, Issue 1, pages 210–230, October 2007
While we use the term “social network site” to describe this phenomenon, the term “social networking sites” also appears in public discourse, and the two terms are often used interchangeably. We chose not to employ the term “networking” for two reasons: emphasis and scope. “Networking” emphasizes relationship initiation, often between strangers. While networking is possible on these sites, it is not the primary practice on many of them, nor is it what differentiates them from other forms of computer-mediated communication (CMC).
What makes social network sites unique is not that they allow individuals to meet strangers, but rather that they enable users to articulate and make visible their social networks. This can result in connections between individuals that would not otherwise be made, but that is often not the goal, and these meetings are frequently between “latent ties” (Haythornthwaite, 2005) who share some offline connection. On many of the large SNSs, participants are not necessarily “networking” or looking to meet new people; instead, they are primarily communicating with people who are already a part of their extended social network. To emphasize this articulated social network as a critical organizing feature of these sites, we label them “social network sites.”
高校平面设计专业网页设计课程专业英语教学案例
高校平面设计专业网页设计课程专业英语教学案例High Education Web Design Course Teaching Case in English for Graphic Design MajorIntroduction:In recent years, with the rapid development of the Internet and digital technology, web design has become an essential skill for graphic designers. As a result, it is crucial for universities to provide comprehensive and professional teaching in web design for students majoring in graphic design. This article aims to present a teaching case for the web design course in English for the graphic design major at a university.I. Course Overview:The web design course is an integral part of the curriculum for students majoring in graphic design. It aims to equip students with the necessary knowledge and skills to design visually appealing and user-friendly websites. The course spans one semester and consists of both theoretical lectures and practical exercises.II. Course Objectives:1. To introduce students to the fundamentals of web design, including layout, color theory, typography, and user experience.2. To familiarize students with industry-standard web design software and tools.3. To enable students to apply their design skills to create responsive and engaging websites.4. To develop students' critical thinking and problem-solving abilities in the context of web design.5. To enhance students' English language proficiency through lectures, discussions, and project presentations.III. Teaching Methods:1. Lectures: The course starts with lectures that cover the theoretical aspects of web design. These lectures are interactive and include visual aids, multimedia presentations, and real-world examples to enhance students' understanding.2. Demonstration: In addition to lectures, the instructor provides live demonstrations of various design techniques and software tools, allowing students to observe and learn in real-time.3. Hands-on Exercises: Students will have ample opportunities to practice their skills through a series of hands-on exercises. These exercises include designing web layouts, creating navigation menus, and implementing interactive elements.4. Group Projects: To foster teamwork and collaboration, students will be assigned group projects that entail designing complete websites. Each group will be responsible for developing a concept, creating wireframes, designing visuals, and coding the website.5. Critiques and Feedback: Throughout the course, students will receive constructive feedback on their individual and group projects. This will help them identify areas for improvement and refine their design skills.IV. Assessment:1. Assignments: Regular assignments will be given to assess students' understanding and application of the concepts taught in class.2. Exams: Periodic exams will evaluate students' knowledge of web design theory, software proficiency, and understanding of industry best practices.3. Group Project Evaluation: The group projects will be evaluated based on creativity, functionality, adherence to design principles, and overall presentation.4. Participation: Active participation in class discussions, critiques, and presentations will be taken into account when determining the final grade for the course.V. Resources:1. Textbooks and Online Resources: A list of recommended textbooks and online resources will be provided to supplement the course material and assist students in further exploration of web design principles.2. Software and Tools: Access to industry-standard web design software and tools will be made available to students, either through computer labs or through remote access.Conclusion:The web design course in English for the graphic design major plays a crucial role in preparing students for the demands of the modern design industry. Through a combination of theoretical knowledge, practical exercises, and project-based learning, students will develop the necessary skills and competencies to excel in web design. This teaching case provides a framework for universities to deliver effective and comprehensive web design education to graphic design students.。
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外文资料JavaServer Pages OverviewJavaServer Pages (JSP) technology enables Web developers and designers to rapidly develop and easily maintain, information-rich, dynamic Web pages that leverage existing business systems. As part of the Java technology family, JSP technology enables rapid development of Web-based applications that are platform independent. JSP technology separates the user interface from content generation, enabling designers to change the overall page layout without altering the underlying dynamic content.Benefits for DevelopersIf you are a Web page developer or designer who is familiar with HTML, you can: Use JSP technology without having to learn the Java language: You can use JSP technology without learning how to write Java scriplets. Although scriptlets are no longer required to generate dynamic content, they are still supported to provide backward compatibility.Extend the JSP language: Java tag library developers and designers can extend the JSP language with "simple tag handlers," which utilize a new, much simpler and cleaner, tag extension API. This spurs the growing number of pluggable, reusable tag libraries available, which in turn reduces the amount of code needed to write powerful Web applications.Easily write and maintain pages: The JavaServer Pages Standard Tag Library (JSTL) expression language is now integrated into JSP technology and has been upgraded to support functions. The expression language can now be used instead of scriptlet expressions.JSP Technology and Java ServletsJSP technology uses XML-like tags that encapsulate the logic that generates the content for the page. The application logic can reside in server-based resources (such as JavaBeans component architecture) that the page accesses with these tags. Any and all formatting (HTML or XML) tags are passed directly back to the response page. By separating the page logic from its design and display and supporting a reusable component-based design, JSP technology makes it faster and easier than ever to build Web-based applications.JavaServer Pages technology is an extension of the Java Servlet technology. Servlets are platform-independent, server-side modules that fit seamlessly into a Web server framework and can be used to extend the capabilities of a Web server with minimal overhead, maintenance, and support. Unlike other scripting languages, servlets involve no platform-specific consideration or modifications; they are application components that are downloaded, on demand, to the part of the system that needs them. Together, JSP technology and servlets provide an attractive alternative to other types of dynamic Web scripting/programming by offering: platform independence; enhanced performance; separation of logic from display; ease of administration; extensibility into the enterprise; and, most importantly, ease of use.Today servlets are a popular choice for building interactive Web applications.Third-party servlet containers are available for Apache Web Server, Microsoft IIS, and others. Servlet containers are usually a component of Web and application servers, such as BEA WebLogic Application Server, IBM WebSphere, Sun Java System Web Server, Sun Java System Application Server, and others.Community BackgroundThe JSP specification is the product of industry-wide collaboration with industry leaders in the enterprise software and tools markets, led by Sun Microsystems. Sun has made the JSP specification freely available to the developer community, with the goal that every Web server and application server will support the JSP interface. JSP pages share the "Write Once, Run Anywhere" advantages of Java technology. JSP technology is a key component in the Java 2 Platform, Enterprise Edition, Sun's highly scalable architecture for enterprise applications.JSP Technology in the Java EE 5 PlatformThe focus of Java EE 5 has been ease of development by making use of Java language annotations that were introduced by J2SE 5.0. JSP 2.1 supports this goal by defining annotations for dependency injection on JSP tag handlers and context listeners. Another key concern of the Java EE 5 specification has been the alignment of its webtier technologies, namely JavaServer Pages (JSP), JavaServer Faces (JSF), and JavaServer Pages Standard Tag Library (JSTL).The outcome of this alignment effort has been the Unified Expression Language (EL), which integrates the expression languages defined by JSP 2.0 and JSF 1.1.The main key additions to the Unified EL that came out of tbe alignment work have been:A pluggable API for resolving variable references into Java objects and for resolving the properties applied to these Java objects,Support for deferred expressions, which may be evaluated by a tag handler when needed, unlike their regular expression counterparts, which get evaluated immediately when a page is executed and rendered, andSupport for lvalue expression, which appear on the left hand side of an assignment operation. When used as an lvalue, an EL expression represents a reference to a data structure, for example: a JavaBeans property, that is assigned some user input.The new Unified EL is defined in its own specification document, which is delivered along with the JSP 2.1 specification.Thanks to the Unified EL, JSTL tags, such as the JSTL iteration tags, can now be used with JSF components in an intuitive way.Java Servlet Technology OverviewServlets are the Java platform technology of choice for extending and enhancing Web servers. Servlets provide a component-based, platform-independent method for building Web-based applications, without the performance limitations of CGI programs. And unlike proprietary server extension mechanisms (such as the Netscape Server API or Apache modules), servlets are server- and platform-independent. This leaves you free to select a "best of breed" strategy for your servers, platforms, and tools.Servlets have access to the entire family of Java APIs, including the JDBC API to access enterprise databases. Servlets can also access a library of HTTP-specific calls and receive all the benefits of the mature Java language, including portability, performance, reusability, and crash protection.Today servlets are a popular choice for building interactive Web applications. Third-party servlet containers are available for Apache Web Server, Microsoft IIS, and others. Servlet containers are usually a component of Web and application servers, such as BEA WebLogic Application Server, IBM WebSphere, Sun Java System Web Server, Sun Java System Application Server, and others.You might want to check out the latest information on JavaServer Pages (JSP) technology. JSP technology is an extension of the servlet technology created to support authoring of HTML and XML pages. It makes it easier to combine fixed or static template data with dynamic content. Even if you're comfortable writing servlets, there are several compelling reasons to investigate JSP technology as a complementto your existing work.JavaBeansJavaBeans technology is the component architecture for the Java 2 Platform, Standard Edition (J2SE). Components (JavaBeans) are reusable software programs thatyou can develop and assemble easily to create sophisticated applications. JavaBeans technology is based on the JavaBeans specification.The Bean BuilderThe Bean Builder is a simple component assembler that demonstrates the visual construction of applications using component assembly mechanisms.JavaBeans Activation Framework (JAF)JAF lets you take advantage of standard services to: determine the type of an arbitrary piece of data; encapsulate access to it; discover the operations availableon it; and instantiate the appropriate bean to perform the operation(s).The Java 2 Enterprise Edition (J2EE) is a standard that defines an environment forthe development and deployment of enterprise applications. It reduces the cost and complexity of developing multitier enterprise applications as it provides amultitier distributed application model. In other words, it is inherently distributed and therefore the various parts of an application can run on different devices.Web applications developed using JavaServer Pages (JSP) may require some interaction with J2EE services. For example, a web-based inventory control system may need to access J2EE's directory services to gain access to a database. Or you may want touse Enterprise JavaBeans (EJB) in your application.This article presents a brief overview of J2EE, then it shows how to: Describe J2EE services in a Web Deployment Descriptor (web.xml)Reference J2EE servicesAccess and use J2EE services from JSPsOverview of J2EEThe J2EE is a standard platform for the development and deployment of enterprise applications. The architecture of J2EE, which is component-based, makes developingenterprise applications easy because business logic is organized into reusable components and the underlying service is provided by J2EE in the form of a container for every component type. Think of a container as the interface between the component and the low-level functionality that supports the component. Therefore, before an application client component can be executed, it must be configured as a J2EE service and deployed into its container.J2EE promotes the development of multitier applications in which the web container hosts web components that are dedicated to handling a given application's presentation logic, and responds to requests from the client (such as the web browser). The EJB container, on the other hand, hosts application components that respond to requests from the web tier as shown in Figure 1.Figure 1: Multitier ApplicationsApplications that use this architecture are implicitly scalable. This architecture decouples the accessing of data from end-user interactions, and encourages component-based code reusability. At the web tier, J2EE promotes the use of JSPs for the creation of dynamic content for Web clients.Custom Tags and J2EEJ2EE has a lot to offer to Web application developers and the JSP custom tag developer. As you can see from Table 1 above, it has a rich set of standard APIs for sending email, accessing databases, parsing XML documents, and so on. Your Web applications can benefit greatly from these APIs. For example, you can write a JSP custom tag for sending email that can be used easily by Web content developers who are not familiar with Java. If you are not familiar with JSP custom tags, their benefits, and how to create them, please refer to Developing JSP Custom Tags.外文资料译文Javaserverpages概况Javaserverpages(jsp)技术，使Web开发人员和设计师可以快速开发和易于维护，利用现有的业务系统的动态网页使信息丰富。