lunzi

LoginAction.java
package hb;

import java.util.List;

import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

import org.apache.struts.action.ActionMessages;
import org.apache.struts.action.ActionMessage;

import javax.servlet.ServletContext;
import javax.sql.DataSource;
import javax.servlet.http.*;

public final class LoginAction extends Action{  
		public ActionForward execute(
		ActionMapping mapping,
		ActionForm form,
		HttpServletRequest request,
		HttpServletResponse response) throws HibernateException {
			
	
   		UserForm userform = (UserForm) form;         
		String name = userform.getName();
		
		HttpSession session = request.getSession(true);
		
		String action=request.getParameter("action"); //动作类型 
		
		List list=null;
		
		session.setAttribute("name",name);  

		if(action==null)action="login"; 
		
		if("login".equals(action)){ //登录操作
		  if(UserDAO.chkUserName(name)>0){

 	   			 return (mapping.findForward("successed"));//登录成功				
		  }
		  
		}
		
	   if("addUser".equals(action)){ //增加记录操作
		  
		         UserDAO userDao=new UserDAO();
		         userDao.saveName(name);
	
 	   			 return (mapping.findForward("successed"));				
	
		  }
	  
	   if("getUser".equals(action)){ //取出记录操作
		  
		         UserDAO userDao=new UserDAO();
		         list=userDao.getGbooks();
	             session.setAttribute("userList",list);
 	   			 return (mapping.findForward("successed"));//取出成功				
	
		} 	  
	
      // /* else {
			ActionMessages errors = new ActionMessages();
			errors.add(ActionMessages.GLOBAL_MESSAGE,
				new ActionMessage("label.deny"));
				
			if (!errors.isEmpty()) {
				saveErrors(request, errors);
				//request.setAttribute("error",errors);
			} 
  			return  mapping.findForward("failed");  //失败
	//	}*/
		
		   // return  mapping.findForward("failed");  	}
}
静态的actionForm 
UserForm.java
package hb;
import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionMapping;
import javax.servlet.http.HttpServletRequest;
import org.apache.struts.action.ActionErrors;
import org.apache.struts.action.ActionMessage;


public class UserForm extends ActionForm{  
	private String name = null;	//用户名  
	public UserForm(){}
	public void setName(String name) {
		this.name = name;
	}  
	public String getName() {
		return name;
	}  

	
	public void reset(ActionMapping mapping,
		HttpServletRequest request) {
		this.name = null;
	}
	public ActionErrors validate(ActionMapping mapping,
		HttpServletRequest request) {
		ActionErrors errors = new ActionErrors();
		if ((name == null) || (name.equals(""))){
			errors.add(ActionErrors.GLOBAL_MESSAGE,
				new ActionMessage("error.name.required"));
		}
		
		return errors;
	}
	
	
}