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Struts Tutorials:
Struts2 Tag CheckBoxList , Checkbox, Iterator, IF
Struts2 Tag Library Example
Struts2 Tiles Example
Struts2 Tiles I18N Example
Struts2 Questions
Struts Tiles I18N Example
Struts Eclipse MVC
Struts2 Tags
Struts2 Example and Tutorial
Struts MVC
Struts2 Validation
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Hibernate Case Study
Class Hierarchy Persist Example
Using Hibernate Interceptor
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Written By : Amit
Title :
MVC Struts
Description :
Some facts about MVC Framework and Struts More...
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Written By : Amit
Title :
Struts2 example tutorial
Description :
My First example using Apache Struts2 More...
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Written By : ISHTEK
Title :
Struts2
Description :
Tags such as IF Iterator Tags More...
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Title :
Struts Eclipse MVC
Description :
Step by step demonstration More...
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Written By : Girish
Title :
Struts Tiles I18N Example
Description :
Code with Sample Action More...
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| Tags/Keywords : Struts, Struts2 Tutorial, Struts 2 Example, Struts2 Author : ISHTEK Date (Year/Month/Date): 2009-02-19
Struts2 Tag Reference - http://struts.apache.org/2.0.14/docs/tag-reference.html
All the Struts2 Tags , those can be found in the above link are under my scanner
for providing appropriate sample/example on how to use these Struts2 Tags:
-> IF Tag : (http://struts.apache.org/2.0.14/docs/if.html)
-> ITERATOR Tag: http://struts.apache.org/2.0.14/docs/iterator.html
As in Struts2 , for each request a new action class instance is created and
associated, it is not an issue from Thread-Safe perspective to use an instance
variable in Action class POJO.
So we shall be using sample POJO action class with variables defined at instance
level and use these variables to test various Struts2 tags, such as IF Tag,
Iterator Tag and many more.
I named this action class as IfExample.java, as this is having code for both
if and iterator tags implementations.
-----------------------------------------------------------------------------------
package sample;
import java.util.List;
import java.util.ArrayList;
public class IfExample {
//for if tag test
private boolean status = false;
public boolean getStatus() {
return status;
}
public void setStatus(boolean st) {
this.status = st;
}
//for iterator tag test
private Sample sample;
public Sample getSample() {
return sample;
}
public void setSample(Sample sample) {
this.sample = sample;
}
public String execute() throws Exception {
Sample sample1 = new Sample();
List names = new ArrayList();
names.add("test");
names.add("test1");
names.add("test2");
names.add("test3");
sample1.setNames(names);
setSample(sample1);
return "okay";
}
}
-----------------------------------------------------------------------------------
The struts.xml file as following configurations for these two Tags:
struts.xml
-----------------------------------------------------------------------------------
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
"http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>
<package name="iftest" namespace="/iftest" extends="struts-default">
<action name="ifexample" class="sample.IfExample">
<result name="okay">/if-test.jsp</result>
</action>
</package>
<package name="iteratortest" namespace="/iteratortest"
extends="struts-default">
<action name="iteratorexample" class="sample.IfExample">
<result name="okay">/iterator-test.jsp</result>
</action>
</package>
</struts>
-----------------------------------------------------------------------------------
Corresponding JSP files having test code for IF and ITERATOR tags are as follows:
if-test.jsp
-----------------------------------------------------------------------------------
<%@ taglib prefix="st2" uri="/struts-tags" %>
<st2:if test="status">
This line is within if tag
</st2:if>
<st2:else>
This line is within else tag
</st2:else>
-----------------------------------------------------------------------------------
As you can see status is the boolean variable in IfExample action class,
and depending on the value of this field, appropriate message gets printed out
on browser, in this case as status value is 'false', so the message gets printed
on is:
This line is within else tag
and for iterator tag specific JSP file iterator-test.jsp
-----------------------------------------------------------------------------------
<%@ taglib prefix="st2" uri="/struts-tags" %>
<st2:iterator value="sample.names" var="n">
<st2:text name="%{n}"/><br>
</st2:iterator>
-----------------------------------------------------------------------------------
sample is the variable name in IfExample of type Sample, and names is a variable in
Sample class and of type List.
So this JSP file prints values as stored in execute method of IfExample Action class
as follows:
test
test1
test2
test3
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Commented By -> Prashanth | Hi,
Very nicely explained.. Thanks
Can you provide any example on how to use Tiles with Struts2 ?
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