managerloginservlet.java

java sql jsp javabean

package com.gc.biz;

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

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

import com.gc.dao.DManager;

public class ManagerLoginServlet extends HttpServlet {
	private HttpSession ses = null;
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		String maccount = request.getParameter("maccount");
		String mpassword = request.getParameter("mpassword");
		ses = request.getSession();
		if(!"".equals(maccount) && !"".equals(mpassword) && maccount!=null && mpassword!=null)
		{
			DManager dm = new DManager();
			if(dm.isManager(maccount, mpassword))
			{	
				ses.setAttribute("Manager",maccount);
				request.getRequestDispatcher("/ManagerIndex.jsp").forward(request, response);
			}else
			{
				Destroy();	
				request.getRequestDispatcher("/ManagerLogin.jsp").forward(request, response);
			}
		}
		if(request.getParameter("ma")!=null)
		{
			Destroy();
			request.getRequestDispatcher("/ManagerLogin.jsp").forward(request, response);
		}
	}
	
	/**
	 * 清除,销毁
	 */
	private void Destroy()
	{
		if(ses.getAttribute("Manager")!=null)
		{
			ses.removeAttribute("Manager");
		}
	}
	public void doGet(HttpServletRequest request, HttpServletResponse response)
	throws ServletException, IOException {
		this.doPost(request, response);
	}
}