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click STARTUP. BAT to start Tomcat. (After Tomcat is started, Click Shutdown. BAT to close it)7. Run tomcat in the background, open IE, enter http: // localhost: 8080/in the address bar to go To the Tomcat homepage, and enter http: // localhost: 8080/Struts-Example: enter an example of struts. We wish you a smooth installation :) Next, let's take a look at the two most important files in the
code in HTML code" is the same pain point as "embed a large number of HTML code in Java code. JSP is like this, and ASP is like this. Therefore, Craig R. mcclanahan used the MVC idea to open Java and HTML separation of Java Web applications into different files, which were divided into three parts: struts. Later, microsoft has also learned this separation method, but Microsoft is somewhat lazy and only divided into two parts, namely ASP.. net.
struts. properties 1. web. xml Any MVC framework needs to be integrated with web applications. Therefore, you have to use the web. xml file. Only the Servlet configured in web. xml will be loaded by the application. Generally, all MVC frameworks need to load a core controller in web. xml. For the Struts2 framework, FilterDispatcher needs to be loaded, and web applications only need to load FilterDispatcher and FilterDispatcher automatically load the
following lists the configuration parameters of the file for your convenience;Struts. Configuration This attribute specifies the configuration file manager that loads the struts 2 configuration file. The default value of this attribute is org. Apache. struts2.config. defaultconfiguration, which is the default configuration file manager of
manager that loads the struts 2 configuration file. The default value of this attribute is org. Apache. struts2.config. defaultconfiguration, which is the default configuration file manager of struts 2. If you need to implement your own Configuration Manager, developers can implement a class that implements the configuration interface, which can load the
actions in the module must share the same lifecycle.• Struts2 supports creating different lifecycles for each Action through Interceptor Stacks. The stack can be used with different actions as needed.Struts. action. extensionThe URL extension to use to determine if the request is meant for a Struts actionUse the URL extension to determine whether the request is used as a Struts action, that is, to set the
actions in the module must share the same lifecycle.• Struts2 supports creating different lifecycles for each action through interceptor stacks. The stack can be used with different actions as needed.Struts. Action. ExtensionThe URL extension to use to determine if the request is meant for a struts actionUse the URL extension to determine whether the request is used as a struts action, that is, to set the
aspects of the application system runtime by configuring the struts configuration file. This is a continuation of the new features of Version 1.1, including the new exception handling function. In earlier versions of Struts framework, developers have to handle errors in struts applications by themselves. In the latest version, the situation has greatly improved.
class generates an actionerror object and stores it in a scope object. In this way, JSP pages are allowed to use error classes to remind users of problems. If you think this cannot meet your needs, you can easily implement your own excepionhandler class. Customize exception handling methods and mechanisms To customize your own exception handling mechanism, the first step is to inherit the org. Apache. Struts
Struts was first launched as part of the Apache Jakarta project. The project creator hopes to improve and improve the technical standards of Java Server Pages, Servlet, label library, and object-oriented through the study of this project. The struts name comes from the supported metal racks used in buildings and old-style aircraft. It aims to reduce the time nee
inherit the org. Apache. Struts. Action. exceptionhandler class. This class has two methods to override, one is excute () and the other is storeexception (). In most cases, you only need to override the excute () method. The excute () method declaration of the exceptionhandler class is as follows: Public actionforward execute (exception ex,Predictionconfig exconfig,Actionmapping mapping,Actionform forminst
of problems. If you think this cannot meet your needs, you can easily implement your own excepionhandler class. Customize exception handling methods and mechanisms To customize your own exception handling mechanism, the first step is to inherit the org. Apache. Struts. Action. exceptionhandler class. This class has two methods to override, one is excute () and the other is storeexception (). In most cases,
configuration file is/web-inf/struts-config.xml Protected String config = "/web-inf/struts-config.xml"; ②initother (); ⑤initmoduleconfig () ; Default chain (defines an sequentially executed process) configuration file protected String chainconfig = "Org/apache/struts/chain/chain-config.xml"; ④initchain (); protected
Solution: Create a file struts. properties in the src directory. Content is Struts. locale = en_GB Struts. properties File Settings configuration details: The details are as follows: Struts. Configuration This attribute specifies the configuration file manager that loads the str
Key points:Find the injection pointUse mysql load_file () to read website configuration information and find the management backendUpload webshell9Let's take a look at Struts and. do:First, let's know what Struts is. Struts is an Open Source project of the Jakarta Project Team of the Apache Foundation. It is an excelle
. alwaysSelectFullNamespace(False by default) Whether to always use the URL segment before the last diagonal line as the namespace Core object Constants Struts. actionProxyFactorySets the entity factory of ActionProxy, which also generates the default ActionInvoctation. Struts. xworkConverterSets the XWorkConverter object, which is used to obtain various types of converters.
Recently, Apache official release of Apache Struts 2.3.5–2.3.31 version and 2.5–2.5.10 version of the Remote Code execution Vulnerability (cnnvd-201703-152, cve-2017-5638) of the Emergency Vulnerability Bulletin. The vulnerability is because the exception handler for the upload function does not correctly handle user input error messages, causing a remote attacke
. xworkConverterSets the XWorkConverter object, which is used to obtain various types of converters. Struts. unknownHandlerManagerSets the implementation class of UnknownHandlerManager to handle exceptions such as method failure. Struts. multipart. handlerSet the handler (jakarta by default) corresponding to mutipartRequest, org. apache. struts2.dispatcher. mul
technologies to form a stable architecture to meet the needs of the project is a very important step in the project development process.This step is generally completed by the architect. Based on the project requirements, the designer will screen and select various technologies in the J2EE system, and take into account the division of roles in the development process and subsequent operation and maintenance, and system scalability.A successful software requires a successful architecture, but th
A problem occurs when multiple users access the page at the same time, as if they were out of memory.In addition, if you have experience with large websites, please talk about the precautions.No error occurs when a single user runs.An error occurs when multiple users exist.For example, what should I pay attention to when writing code for database queries with large data volumes. The latest problems are as follows:When multiple users click a page at the same time, the error message in the log is