Step 1. Open Eclipse and Goto New >> Dynamic Web Project
New >> Dynamic Web Project
Step 2. Provide “StrutsApplication” as Project name and select “2.4” as Dynamic web module version and click Next
App Name and Dynamic web module version
Step 3. Click Next
Next
Step 4. Click Next
Next
Step 5. Click Finish
After Finish
Step 6. Copy all the required JAR files in WebContent >> WEB-INF >> lib folder. Create this folder if it does not exists.
Copy JARs in WebContent >> WEB-INF >> lib
Step 7. In WebContent/WEB-INF/web.xml copy and paste the below code.
—————web.xml———————————-
————————————————————–
The above code in web.xml will map Struts2 filter with url ‘/*’.
The default url mapping for struts2 application will be /*.action. Also note that we have defined Login.jsp as welcome file.
Step 8. Create a package com.example in the src folder and create a class LoginAction.java in this package. Copy and paste the below code in the class LoginAction.java
Create Java Class
——————————LoginAction.java—————-
package com.example;
public class LoginAction
{
private String username;
private String password;
public String execute()
{
if (this.username.equals("admin")&& this.password.equals("admin123"))
{
return "success";
}
else
{
return "error";
}
}
public String getUsername()
{
return username;
}
public void setUsername(String username)
{
this.username = username;
}
public String getPassword()
{
return password;
}
public void setPassword(String password)
{
this.password = password;
}
}
New >> Source Folder
resources folder
Step 10. Create ApplicationResource.properties file under resources folder (create in the previous step).
ApplicationResource.properties
The JSPs
Step 12. Create to jsps in the WebContent folder with name Login.jsp and Welcome.jsp and Copy the following content in the respective jsps.
JSP location
—————————Login.jsp——————————–
<%@ page contentType="text/html; charset=UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
Struts 2 - Login Application
—————————–Welcome.jsp——————————————
<%@ page contentType="text/html; charset=UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
Hello,
Struts.xml
Step 13. Copy and paste the following content in struts.xml file
—————–struts.xml————————————–
package com.example;
import com.opensymphony.xwork2.ActionSupport;
public class LoginAction extends ActionSupport
{
private String username;
private String password;
public String execute()
{
if (this.username.equals("admin")&& this.password.equals("admin123"))
{
return "success";
}
else
{
addActionError(getText("error.login"));
return "error";
}
}
public String getUsername()
{
return username;
}
public void setUsername(String username)
{
this.username = username;
}
public String getPassword()
{
return password;
}
public void setPassword(String password)
{
this.password = password;
}
}
Now run the application on Tomcat server
Login Page
Welcome Page
Login Page with Error message
source : Struts Tutorial