adminloginaction.java

在线考试系统

package exam.action;

import java.util.List;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;

import exam.dao.User;
import exam.dao.UserDAO;

public class AdminLoginAction extends ActionSupport {
	private User user;
	private UserDAO dao = new UserDAO();
	
	private String message;

	public String execute() {

		List list = dao.findLogin(user.getUsername(), user.getPassword(),2);
		if (list.size() == 1) {
			user = (User) list.get(0);
			ActionContext context = ActionContext.getContext();
			HttpServletRequest req = (HttpServletRequest) context
					.get(ServletActionContext.HTTP_REQUEST);
			HttpSession session = req.getSession();
			session.setAttribute("user", user);
			return SUCCESS;
		} else {
			message="username or password is wrong!";
			return INPUT;
		}

	}

	public UserDAO getDao() {
		return dao;
	}

	public void setDao(UserDAO dao) {
		this.dao = dao;
	}

	public User getUser() {

		return user;
	}

	public void setUser(User user) {

		this.user = user;
	}

	
	public String getMessage() {
	
		return message;
	}

	
	public void setMessage(String message) {
	
		this.message = message;
	}

	
	}