Struts2- Dispatch Action
AIM:
Dispatch action in struts2 is used to group the related function into the single action.
Problem:
Index.jsp file contain two button one is One. Another is Two.
If we click on One ,the one.jsp file will display.
If we click on Two,thw\e two.jsp file will display.
Requirements:
A). Action class(DisAction)
B). jsp files(index.jsp,one.jsp,two.jsp)
C). struts.xml
Procedure:
Step 1:
Create Action
Step 2:
Create jsp files.(index.jsp,one.jsp,two.jsp)
Step 3:
Made change in struts.xml
Step 4:
Run index.jsp
Explanation:
Step 1:
Create Action such as DisAction
Note:
You follow the steps that have already posted in previous post.
Include following coding into DisAction
package example;
import com.opensymphony.xwork2.ActionSupport;
public class DisBean extends ActionSupport
{
public DisBean()
{
}
public String execute() throws Exception
{
return "success";
}
public String one() throws Exception
{
return "one";
}
public String two() throws Exception
{
return "two";
}
}
Step 2:
Create index.jsp
< %@taglib uri="/struts-tags" prefix="s" % >
< html >
< head >
< title > Index < /title >
< /head >
< body >
< s:form action="User" method="post" >
< s:submit action="one" method="one" value="ONE"/ >
< s:submit action="two" method="two" value="TWO"/ >
< /s:form >
< /body >
< /html >
Create one.jsp
< html >
< head >
< title > Index < /title >
< /head >
< body >
< h1 > Hello World! < /h1 >
< b > You Are ONE < /b >
< /body >
< /html >
Create two.jsp
< html >
< head >
< title > Index < /title >
< /head >
< body >
< h1 > Hello World! < /h1 >
< b > You Are Two < /b >
< /body >
< /html >
Step 3:
Made some changes in struts.xml
< !DOCTYPE struts PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
http://struts.apache.org/dtds/struts-2.0.dtd >
< struts >
< package name="example" namespace="/example" extends="struts-default" >
< action name="User" class="example.DisBean" >
< /action >
< action name="one" method="one" class="example.DisBean" >
< result name="one" > /example/one.jsp < /result >
< /action >
< action name="two" method="two" class="example.DisBean" >
< result name="two" > /example/two.jsp < /result >
< /action >
< /package >
< /struts >
Step 4:
Run the index.jsp
If you click on ONE the output is
If you click on TWO
