JSP技术 ---外文文献Word格式文档下载.docx

1、JSP profileJSP （JavaServer Pages） is initiated by Sun Microsystems, Inc., with many co mpanies to participate in the establishment of a dynamic web page technical standa rds. JSP technology somewhat similar to ASP technology, it is in the traditional HT ML web page document （* htm, *. html） to inser

2、t the Java programming paragrap h （Scriptiet） and JSP tag （tag）, thus JSP documents （*. jsp）. Using JSP development of the Web application is cross that can run on Linux, is also available for other op erating systems.JSP technology to use the Java programming language prepared by the catego ry of X

3、ML tags and scriptlets, to produce dynamic pages package processing logic. Page also visit by tags and sciptlets exist in the services side of the resources of lo gic. JSP page logic and web page design and display separation, support reusable c omponent-based design, Web-based application developme

4、nt is rapid and easy.Web server in the face of visits JSP page request, the first inpiementation of t he procedures of, and then together with the results of the implementation of JSP d ocuments in HTML code with the return to the customer. Insert the Java programm ing operation of the database can

5、be reoriented websites, in order to achieve the est ablishment of dynamic pages needed to function.JSP and Java Servlet, is in the imp lementation of the server, usually returned to the client is an HTML text, as long as the client browser will be able to visit.JSP 1.0 specification of the final ver

6、sion is launched in September 1999, Dece mber has introduced 1.1 specifications. At present relatively new is JSP1.2 norms, JSP2.0 norms of the draft has also been introduced.JSP pages from HTML code an d Java code embedded in one of the conq）onents.JS script language synopsisJS is javascrip, Javasc

7、ript is one kind the scipt language which comes by the Netscape LiveScrq）t development, the main purpose is to solve the server terminal language, for instance Perl, carry-over speed question. At that time served the end t o need to carry on the confirmation to the data, because the network speed wa

8、s quit e slow, only then 28.8kbps? the confirmation step wastes time were too many. Ther efore Netscape browser Navigator has joined Javascipt, has provided the data conf irmation basic function.The JavaScript official name is ECMAScript. This standard by ECMA orga nization development and maintenan

9、ce. ECMA262 is the official JavaScipt standa rd. This standard based on JavaScript （Netscape） and JScipt （Microsoft）. Netscape （Navigator 2.0） Brendan Eich has invented this language, started from 1996, alrea dy appeared in all Netscape and in the Microsoft browser. The ECMA262 develop ment began in

10、 1996, in 1997 July, the ECMA general meeting has accq）ted its first edition.The scipt uses one specific descriptive language, rests on certain form compil ation to be possible the execution document, is also called as great or the batch run document. The scipt usually may transfer temporarily by th

11、e application procedur e and carry out. Each kind of scipt present widely is applied in the homepage desi gn, because the scipt not only may reduce the homepage the scale and raises the h omepage browsing speed, moreover may enrich the homepage performance, like a nimation, sound and so on. Cites a

12、most common example, when we click in the ho mepage the Email address can transfer Outlook Express or the Foxmail this kind of mail software automatically, is realizes through the scipt function. Also because o f script these characteristics, the human who harbors ulterior motives by some are often

13、using. For example joins some destruction computer systems order in the scr ipt, like this works as the user browsing homepage, once transfers this kind of scrip t, will then cause the user the system to come under the attack. Therefore the user s hould act according to visits homepage the trust deg

14、ree selective security rank, spe cially regarding these itself content on the illegal homepage, do not permit the use script easily. Through the safe establishment95 the dialog box, the choice the scrip t” imder option each kind of establishment may with ease realize to scipt being for bid and begin

15、s using.JSP and ServletsThe technology of JSP and Servlet is the most important technology which us e Javatechnology to exploit request of server, and it is also the standard which explo it business application .Java developers prefer to use it for a variety of reasons, one of which is already famil

16、iar with the Java language for the development of this tec hnology are easy to learn Java to the other is na preparation, run everywhere to bri ng the concept ofWeb applications, To achieve a “one-prepared everywhere realize d.n And more importantly, if followed some of the princles of good design, it can be said of sq）arating and content to create high-quality, reusable, easy to maintain and modify the application. For exanple, i