checklogin.java

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/*
 * 创建日期 2005-3-9
 *
 * TODO 要更改此生成的文件的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
package store;

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;
import store.User;

/**
 * @author wwx
 *
 * TODO 要更改此生成的类型注释的模板，请转至
 * 窗口 － 首选项 － Java － 代码样式 － 代码模板
 */
public class CheckLogin extends HttpServlet {

	protected void doGet(HttpServletRequest request,
			HttpServletResponse response) throws ServletException, IOException {
		//TODO Method stub generated by Lomboz
		boolean flag = false;
		String type = request.getParameter("usertype");
		if (type.equals("admin"))
		{
			try
			{
				Admin.LoginUser(request);
			}
			catch(Exception e)
			{
		  		flag = true;
		  		HttpSession httpsession = request.getSession(true);
		  		httpsession.setAttribute("servleterror",e.getMessage());
			}
		}
		else if (type.equals("user"))
		{
			try
			{
		  		User.LoginUser(request);
			}
		  	catch(Exception e)
			{
		  		flag = true;
		  		HttpSession httpsession = request.getSession(true);
		  		httpsession.setAttribute("servleterror",e.getMessage());
			}
		}
		else
		{flag = true;
  		HttpSession httpsession = request.getSession(true);
  		httpsession.setAttribute("servleterror","User type error!");
			
		}
		if (!flag)
	  	{
			if (type.equals("admin"))
				response.sendRedirect("../manage/manage.jsp");
			else 
				response.sendRedirect("../showbook.jsp");
	  	}
	  	else
	  	{
	  		response.sendRedirect("../errorpage.jsp");
	  	}
	}
}