jsp servlet tutorial

1.Servlet Two defects: ① all HTML tags must be wrapped in a Java string, making it cumbersome to send HTTP responses, and ② all text and HTML tags must be hardcoded, even if the presentation layer is slightly modified, it needs to be recompiled.2. Note: (1) JSP Note: when working with applications with many JSP fragments, developers can easily find out what part

not be a must simple typeThe most used in the app are GetAttribute and setattribute. A simple example is given to illustrate the application of the session, test1.jsp (information is written to the session), test2.jsp (read the information from the session).Test1.jsp 2 4 6 7 Document 8 9 10 one 12 session.setattribute ("str", New String ("This is Test"), 14

Js|servlet your Java EE application is slow to run? Can they afford to keep up with the rising traffic? This article describes the development of high-performance, highly resilient JSP pages and the performance optimization of the servlet technology. The idea is to build as fast as possible and adapt to a growing number of users and their requests. In this articl

Js|servlet| Code | Chinese Character | Problem online There are a number of excellent articles and discussions on the jsp/servlet of DBCS character encoding in this article, which are sorted out and combined with IBM WebSphere application Server 3.5 (was) 's solution makes some notes, hoping it's not superfluous. 1. The origins of the problem Each country (or r

The development of JSP JavaBean two-layer structure should be familiar and understandable. However, it must be clear that the user sends a webpage request through a browser. After the request arrives at the server, the user can find the corresponding webpage on the server, if this is the second request for the first time, you do not need to explain the execution). For JSP, You need to generate a

Question about Chinese character encoding in JSP/Servlet There are many excellent articles and discussions on the issue of DBCS character encoding in JSP/Servlet on the Internet. This article will organize them and combine them with IBM WebSphere Application Server 3.5 (WAS) in the hope that it is not redundant.Content

The MVC structure diagram implemented by Java Web is as follows, in which the controller is implemented by servlet, the model is implemented by JavaBean, and most of the views are implemented by JSP page. The basis of thoughtJsp+javabean Two-storey structure of the working principle should be more familiar, but also better understanding.But one thing must be clear is that the user through the browser to se

SOURCE Link: The difference between a servlet and a JSP The "1" JSP is compiled into a servlet the first time it is run and resides in memory for invocation. "2" JSP is a Web development technology, Servlet is a server-side

1 IntroductionThe JSP (Java Server Page) and servlet are the two basic members of the Java EE specification and are the focus of javaweb development.The nature of the JSP is the servlet, which, when the user sends a request to the specified servlet, uses theoutput stream to

Is your Java application running very slowly? Can they afford to keep up with the rising traffic? This article describes the development of high-performance, highly resilient JSP pages and the performance optimization of the servlet technology. The idea is to build as fast as possible and adapt to a growing number of users and their requests. In this article, I'm going to take you through the performance tu

Custom tag learning for Servlet and JSP, servletjsp tag This article will describe the simple tag processor, which is not described here because the classic custom tag processor does not have a simple tag processor for ease of use. Refer to: MOOC's JSP custom tag video; Chapter 6 of Servlet,

Js|servlet 2.1 Installing the servlet and JSP development tools To learn about servlet and JSP development, you must first prepare a development environment that conforms to the Java Servlet 2.1/2.2 and JavaServer pages1.0/1.1 spe

Js|servlet| Solution | problem | Encoding problem in Chinese Jsp/servlet (Author: Zhang Jianfang, transferred from IBM DeveloperWorks China website April 18, 2001 15:08) There are a number of excellent articles and discussions on the internet about DBCS character encoding in Jsp/s