how to extend struts

Apache struts 2 documentationcomparing struts 1 and 2 Edit Page Browse Space add Page Add News Feature Struts 1 Struts 2 Action classes Struts 1Requires (required)Action classes to extend an abstract bas

In the previous article, we briefly understood the struts principles and learned SSH. The first part is the silly learning method. It's okay if people do what they do. Take logon as an example. The Struts configuration steps are summarized as follows (2.1 ): Fig 2.2 1. Copy the jar package The first is to create a java web project, and then open the strtus framework we downloaded,

From the simple introduction to the Struts Framework (I): A simple MVC pattern code example to the analysis of the relationship between MVC and the three layers, this MVC design pattern instance is introduced, go to deep learning Struts Framework (II): refactoring jump paths and business logic in MVC code abstract encapsulation Service Processing and path jump, and then go to deep learning

information system, it might be appropriate to design an "employee" model component that acts as an interface between the struts application and the HR information system. Model components are generally standard Java classes. There is no specifically required format for a model component, so it may be possible to reuse Java code written for other projects.View Components View components are those pieces of an application that present information to u

This article describes the basic principles of the Struts 1.1 framework, as well as the installation of Struts 1.1 and a simple example. 1. Origin of struts Struts is part of the Apache Jakarta project. The goal of this project is to provide an open-source framework for the establishment of Java Web applications. Curre

configuration file, the 2. Extended struts configuration class When the struts application is started, all information in the struts configuration file will be read to the memory, which is stored in the instance of the corresponding configuration class of the org. Apache. Struts. config package. Most configu

about Struts Struts is an open source project sponsored by the Apache Software Foundation (ASF). It was originally a subproject in the Jakarta Project and became the top-level project for ASF in March 2004. Using javaservlet/jsp technology, it realizes the application framework of MVC design pattern based on Javaeeweb application and is a classic product in MVC Classic design pattern.

Struts is being upgradedProgramClerk, how should I keep it unchanged? How to learn the new version of struts? Today, I accidentally looked at struts2.0, and found that it has changed significantly with struts1.1. It can be said that it has become completely different. As a programmer, We must master the latest technology. Therefore, as soon as it is upgraded, we have to learn it! However, the flood of w

Java framework --- entry to Struts, java framework --- strutsFirst, understand the relationship between Struts and MVC. In the traditional MVC mode, all requests must be handed over to the Servlet for processing. Then, the Servlet calls the JavaBean and submits the results to the JSP for display. The following figure shows the structure of Struts, which is an Ope

I. OverviewThe portal of the Struts framework is a filter (Strutsprepareandexecuterfilter), which is first introduced when learning Jsp/servlet, which consists of three methods and three parameters in a filter interface-- Init and Dofilter, Destory method, Filterconfig (filter configuration parameter in Web. xml) and protocol-independent ServletRequest, Servletresponse. Throughout the past life of Struts2 appeared, in fact, the whole framework consist

In the previous article, we used logon as an example to explain the struts configuration and implement the login example using the struts framework. Some terms have moved into my mind. ActionServlet: Struts controller, responsible for intercepting URLs or distributing them. Model (Model layer) and View (View layer) are used, so it can be seen as an intermediary b

Introduction: In many projects, developers implement their own MVC framework, not because they want to do something fundamentally different from struts, but because they are not aware of how to expand struts. Developing Your Own MVC framework can gain full control, but it also requires a lot of resources to implement it (human and material resources). Sometimes this is impossible under a tight schedule.

To upload files, we must set the form method to POST and set entype to multipart/form-data, the browser sends the binary data of the selected file to the server. Once the enctype is set to multipart/form-data, the browser uses a binary stream to process form data. However, Struts 2 does not provide its own request parser. That is to say, Struts 2 does not process multipart/form-data requests by itself. It n

The first two articles explain the basic implementation of the Struts framework, and I feel a little boring. Today I will use the logon example to implement it. 1. Create a javaweb project and copy the struts jar package to webroot/WEB-INF/lib. 2. The jar package cannot be copied. the user's request must reach the actionservlet before processing the request through str