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java电信计费用户自管理系统毕业设计英文文献外文翻译.doc
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java电信计费用户自管理系统毕业设计英文文献外文翻译.doc
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毕业设计说明书
英文文献及中文翻译
班 级: 学号:
姓 名:
学 院:
专 业:
指导教师:
2014 年 6 月
JSP and WEB technology
1 JSP Introduction
软件学院
软件工程
JSP (JavaServer Pages) is a Java-based scripting technology. Is
advocated by Sun Microsystems Inc., together with a number of companies
involved in the establishment of a dynamic web page technology
standards. JSP technology is somewhat similar to ASP technology, It is a
traditional HTML page file (*. htm, *. html) to insert Java program
segment (Scriptlet) and JSP tag (tag), To form the JSP file (*jsp). Web
development with JSP is a cross-platform applications that can run under
Linux, but also in other operating systems. In the JSP of the many
advantages, one of which is that it will be HTML encoded Web page from
the business logic separated effectively. JSP access with reusable
components, such as Servlet, JavaBean and Java-based Web applications.
JSP also supports directly in the Web page embedded Java code. JSP can
be used two ways to access documents: JSP documents sent by the browser
request, the request sent to the Servlet. JSP technology uses Java
programming language, XML-type tags and scriptlets, to have a package
deal with the logic of dynamic pages. Page tags and scriptlets can also
exist in the server access to the resources of the application logic. JSP
logic and Web page design and display isolated and support reusable
component-based design, Web-based applications more quickly and easily
developed.
The Web server when meets visits the JSP homepage the request, first
carries out segment, will then carry out the result code to return together
with JSP in the document HTML for the customer. The insertion Java
segment may operate the database, again the directional homepage and so
on, realizes the function which the establishment dynamic homepage
needs. JSP and Java Servlet are the same, is in the server end execution,
usually returns to this client side is a HTML text, therefore client side, so
long as has the browser to be able to glance over.
The JSP page is composed of the HTML code and the inserting Java
code. The server in the page by the client side was requested that later will
carry on processing to these Java code, will then produce the HTML page
will return gives the client side the browser. Java Servlet is the JSP
technology base, moreover the large-scale Web application procedure's
development needs Java Servlet and the JSP coordination can complete.
JSP had the Java technology simply easy to use, complete object-oriented,
had the platform independency, and safe reliable, mainly faced Internet's
all characteristics.
2 JSP computing technique
To carry on the dynamic website conveniently fast the development,
JSP has made the improvement in the following several aspects, causes it
to become builds the cross platform fast the dynamic website first choice
plan.
2.1 carries on the content production and the demonstration separates
With the JSP technology, the Web page development personnel may use
HTML or the XML marking design and the formatted final page, and uses
the JSP marking or the tootsy produces on page's dynamic content
originally. Production content's logic is sealed in marks and in the
JavaBeans module, and ties up in the script, all scripts in server end
movement. Because core logic is sealed in marks and in JavaBeans,
therefore the Web administrative personnels and the page designer, can
edit and use the JSP page, but does not affect the content the production.
In the server end, the JSP engine explained that the JSP marking and the
script, produce the content which requested, and (or XML) page's form
transmits the result by HTML the browser. This both are helpful in the
author protects own code, and can guarantee any based on the HTML Web
browser's complete usability.
2.2 may entrust with heavy responsibility the module
The overwhelming majority JSP page relies on may entrust with heavy
responsibility, the cross platform module (JavaBeans or Enterprise the
JavaBeans module) carries out complex processing which the application
procedure requests. The development personnel can share and exchange
the execution ordinary operation the module, or causes these modules uses
for more users and the customer association. Has accelerated the overall
development process based on module's method, and causes each kind of
organization obtains balanced in their existing skill and in the optimized
result development endeavor.
2.3 uses marking
The Web page development personnel will not be the familiar script
language programmers. The JSP technology has sealed many functions,
these functions are easy to use, marking to carry on the dynamic content
production with JSP in the related XML to need. The standard JSP marking
can visit and the instantiation JavaBeans module, the establishment or the
retrieval module attribute, downloads Applet, as well as the execution
difficulty with codes and the time-consuming function with other methods.
2.4 adapts the platform
Nearly all platforms support Java, JSP+JavaBeans to be possible to
pass unimpeded nearly under all platforms. Transplants from a platform to
other platform, JSP and JavaBeans does not even need to translate,
because the Java byte code is standard has nothing to do with the platform.
2.5 database connection
In Java connects the database the technology is the JDBC, Java
procedure is connected through the JDBC driver and the database,
operations and so on execution inquiry, extraction data. Sun Corporation
has also developed JDBC-ODBC bridge, uses this technical Java procedure
to be possible to visit has the ODBC driver database, at present the
majority database systems have the ODBC driver, therefore the Java
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