registeraction.java

servlet学习代码

package jsp.servlet.chapter7.cookie;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@SuppressWarnings("serial")
public class RegisterAction extends HttpServlet{
	
	public void doGet(HttpServletRequest request, 
			HttpServletResponse response) throws IOException{
		
		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		
		Cookie firstName = new Cookie("firstName", request.getParameter("firstName"));
		Cookie lastName = new Cookie("lastName", request.getParameter("lastName"));
		Cookie email = new Cookie("email", request.getParameter("email"));
		
		response.addCookie(firstName);
		response.addCookie(lastName);
		response.addCookie(email);
		
		if(firstName.getValue().equals("") || lastName.getValue().equals("") || email.getValue().equals("")){
			response.sendRedirect("RegisterForm");
		}else{
			out.println("Register success!<br>");
			out.println("firstName: " + firstName.getValue() + "<br>");
			out.println("lastName: " + lastName.getValue() + "<br>");
			out.println("email: " + email.getValue() + "<br>");
		}
	}
}