package demo;

import java.io.IOException;

import javax.servlet.RequestDispatcher;
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 Login extends HttpServlet {

	/**
	 * 
	 */
	private static final long serialVersionUID = -7352627802883440295L;
	
	public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException{
		//如果是Get请求，执行doPost请求
		doPost(request, response);
	}
	public void doPost(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException{
		RequestDispatcher dispatcher = null;
		HttpSession session = request.getSession();
		//从session中获取验证码
		String v_code = (String) session.getAttribute(ValidateCodeHelper.V_CODE);
		//从请求中拿到前台提交的验证马
		String valiCode = request.getParameter("validateCode");
		if(v_code.equalsIgnoreCase(valiCode.trim())){
			dispatcher = request.getRequestDispatcher("/success.jsp");
		}else{
			request.setAttribute("errMsg", "验证码验证失败");
			dispatcher = request.getRequestDispatcher("/index.jsp");
		}
		dispatcher.forward(request, response);
	}
}