Struts2 Data Control Set Tag Example

Struts2 Set Tag Example

Solution:

            Example for set tag , property tag

Aim:

The set tag is a generic tag that is used to assign a value to a variable in a specified scope.

Procedure:

            Step 1:

                        Create Project PropertyPro

            Step 2:

                        Create LoginAction

                        Include following coding into LoginAction

package example;

import com.opensymphony.xwork2.ActionSupport;

public class LoginAction extends ActionSupport

{

    private String username;

    private String password;

    public String getPassword()

    {

        return password;

    }

    public void setPassword(String password)

    {

        this.password = password;

    }

    public String getUsername()

    {

        return username;

    }

    public void setUsername(String username)

    {

        this.username = username;

    }

    public LoginAction()

    {

    }

    public String execute() throws Exception

    {

       if((getUsername().equals("suresh"))&&(getPassword().equals("kumar")))

       {

           return "success";

       }

       else

       {

           return "failure";

       }

    }

}          

Step 3:

            Create jsp files.

            home.jsp

 


< %@taglib uri="/struts-tags" prefix="s" % >
< html >
< head >
< meta content="keyword" name="Struts2 Property Tag Example" >
< title > JSP Page < /title >
< /head >
< body >
< s:form action="LoginAction" method="post" >
< s:textfield label="UserName" name="username"/ >
< s:password label="PassWord" name="password"/ >
< s:submit value="Login"/ >
< /s:form >
< /body >
< /html >

success.jsp

< %@taglib uri="/struts-tags" prefix="s" % >
< html >
< head >
< meta content="keyword" name="Struts2 Property Tag Example" >
< title > JSP Page < /title >
< /head >
< body >

< h2 > Welcome < /h2 >

< h1 > < s:property value="username"/ > < /h1 > < h2 > You Are Welcome < /h2 >
< s:set name="username" value="'suji'"/ >
< s:property value="#username"/ >
< /body >
< /html >


failure.jsp

< %@taglib uri="/struts-tags" prefix="s" % >
< html >
< head >
< meta content="keyword" name="Struts2 Property Tag Example" >
< title > JSP Page < /title >
< /head >
< body >
< h1 > < s:property value="username"/ > < /h1 > < h3 > You Are Not Valid User. < /h3 >
< /body >
< /html >

Step 4:

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" extends="struts-default" >
< action name="LoginAction" class="example.LoginAction" >
< result name="input" > /example/home.jsp < /result >
< result name="success" > /example/success.jsp < /result >
< result name="failure" > /example/failure.jsp < /result >
< /action >
< /package >
< /struts >

Step 5:
Run home.jsp

Directory Structure of this project