loginaction.java

征服Ajax-Web 2.0快速入门与项目实践

package classmate;

import java.io.IOException;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

public class LoginAction extends HttpServlet {

	protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
		String uname = req.getParameter("uname");
		String psw = req.getParameter("psw");
		
		String target = "";
		
		HttpSession session = req.getSession();
		
		if(uname.equals("jenny") && psw.equals("hi")){
			session.setAttribute("result","ok");
			target = "/P21_Refresh/login.jsp";
		}else{
			session.setAttribute("result","wrong");
			target = "/P21_Refresh/login.jsp";
		}	
		
		resp.sendRedirect(target);
	}

}