helloform.java

hellp高级代码fajklsfdalf

package hello;

import javax.servlet.http.HttpServletRequest;
import org.apache.struts.action.ActionMessage;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;

public final class HelloForm extends ActionForm{
	private String userName =null;
	public String getUserName(){
		return(this.userName);		
	}

   public void setUserName(String userName){
	   this.userName=userName;
   }
   public void reset(ActionMapping mapping,HttpServletRequest request){
	   this.userName=null;
   }
   public ActionErrors validate(ActionMapping mapping,HttpServletRequest request){
	   ActionErrors errors=new ActionErrors();
	   if((userName==null)||(userName.length()<1))
		   errors.add("username",new ActionMessage("hello.no.username,error"));
	   return errors;
   }
}