JSP: Practical Guide for Programmers by Robert Brunner PDF

By Robert Brunner

JavaServer Pages (JSP) is a expertise for development dynamic net purposes which could entry databases and supply an interactive event for clients. it is a robust know-how with open resource implementations (server and platform self reliant) for construction company net purposes. With JSP, latest company structures will be leveraged with minimum overhead, upkeep, and help. JSP: useful advisor for Java Programmers is designed to hide the necessities of JSP together with the fundamental JSP constructs and the appropriate implicit items in addition to extra complicated ideas equivalent to incorporating JavaBeans, constructing customized tags, using the JSP expression language, construction with the JSP ordinary Tag Library, and constructing whole JSP-Servlet software. during the booklet, an digital financial institution internet program is used to introduce new thoughts, whereas demonstrating to the reader how the items healthy jointly. *Covers the most recent unencumber of JSP, model 2.0, and covers new beneficial properties reminiscent of the Expression Language and conventional Tag Library. *Includes a pattern program of an digital financial institution website, displaying the facility of JSP in supplying the root for construction internet functions . *Provides a transparent, straight-to-the-point method of the JSP in order that readers can commence utilizing it of their personal tasks straight away. *A supplemental website comprises code for the entire examples within the ebook in addition to extra assets.

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Extra resources for JSP: Practical Guide for Programmers

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This allows the page author to easily control how everything is laid out on the Web page. For example, you may notice that the user and password text fields in our login example are not aligned. Placing them in table cells would force them to be aligned. jsp. jsp

Login Information

this complicates the use of our label elements.

For example, if a JavaBean has an integer variable called id, the JavaBean will have methods called getId and setId that provide access to the id variable. There are three standard actions that implement JavaBean functionality within JSP pages: jsp:useBean, jsp:getProperty, and jsp:setProperty. Although JavaBeans and JSP pages are fully discussed in Chapter 3, the rest of this section discusses these three actions in more detail. The jsp:useBean action is used within a JSP page to create a new scripting variable that is an instance of a JavaBean.

Jsp to display a local counter as well as specific data. In practice, this data might be obtained dynamically from a database or Web service, but for simplicity, it is hard-coded into the scriptlet. jsp <%! jsp. 4 Scriptlets 21 22 Chapter 2: The Fundamentals of JavaServer Pages ■

This page has been accessed <%= local++ %> times.

Notice how this example freely combines Java expressions and code with HTML elements, greatly simplifying the creation of the HTML table, as well as adding dynamic content.

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