How to use struts tags in JSP?
Table of Contents
How to use struts tags in JSP?
Struts 2 – Data Tags
- The Action Tag. This tag enables developers to call actions directly from a JSP page by specifying the action name and an optional namespace.
- The Include Tag.
- The Bean Tag.
- The Date Tag.
- The Param Tag.
- The Property Tag.
- The Push Tag.
- The Set Tag.
How do you use strut tags?
To use the Struts 2 tags on the view page, you must include a tag library directive. Typically, the taglib directive is <%@ taglib prefix=”s” uri=”/struts-tags” %> . So the prefix for all the Struts 2 tags will be s .
What is the use of .TLD file in struts?
The TLD file: The tag library descriptor (TLD) file is an XML file that contains meta-information about the tags within a library. Information such as the tag name, the attributes that are required, and the tag handler class name are all contained in this file and read in by the JSP container.
What is Execute method in struts2?
If you examine class HelloWorldAction from tutorial Using Struts 2 Tags you’ll see that it extends the class ActionSupport and then overrides method execute . The method execute is where we placed what we want this controller to do in response to the hello. action . Method execute of HelloWorldAction.
What is form bean in struts2?
Advertisements. The bean tag is a combination of the set and push tags, it allows you create a new instance of an object and then set the values of the variables. It then makes the bean available in the valuestack, so that it can be used in the JSP page.
What are struts tiles?
Tiles is a templating framework designed to easily allow the creation of web application pages with a consistent look and feel. It can be used for both page decorating and componentization. The Tiles plugin allows actions to return Tiles pages.
What is Rtexprvalue in TLD?
rtexprvalue means Runtime Expression Value. It means the attribute can support scriptlet values.
What are .TLD files?
Developer file used for Java Server Page (JSP) development projects; saved using XML formatting and contains descriptions of tags, which are used to markup JSP documents; describes the supported tags in a corresponding tag library. A JSP tag is similar to an HTML tag.
What is pojo in Struts 2?
In struts 2, action class is POJO (Plain Old Java Object). POJO means you are not forced to implement any interface or extend any class. Generally, execute method should be specified that represents the business logic.
What are Struts beans?
The bean tag is a combination of the set and push tags, it allows you create a new instance of an object and then set the values of the variables. It then makes the bean available in the valuestack, so that it can be used in the JSP page. The Bean tag requires a java bean to work with.
What is form bean?
A form bean is a type of Java bean. A form bean is an instance of a subclass of an ActionForm class and other FormBean class, which stores HTML form data from a submitted client request or that can store input data from a Struts action link that a user clicked. You can divide Form Beans into two types.
What is JSP tiles?
Tiles is used to create reusable presentation components. With Tiles, we first define a base layout with different sections after that we define which jsp page should fill in the corresponding regions in an exteranl configuration file. The same layout can be reused any number of times by specifying different jsp pages.
What is tiles framework?
Apache Tiles is a template composition framework. Tiles was originally built to simplify the development of web application user interfaces, but it is no longer restricted to the JavaEE web environment. Tiles allows authors to define page fragments which can be assembled into a complete page at runtime.
What does Rtexprvalue mean?
Runtime Expression Value
rtexprvalue means Runtime Expression Value. It means the attribute can support scriptlet values.
How do I create a TLD file?
To create a TLD:
- Create a text file with an appropriate name and the extension .
- Add the contents of the TLD, embedded in a element, as indicated in steps 4-7.
- Identify the tag library: version_number
- Define a tag library validator (Optional).
- Define a tag.
