testservlet.java

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/*
控制器
作用：
在初始化时实例“模型”，并放入上下文（保证模型有且仅有一个实例）
在收到请求时取出参数，调用模型实例完成操作，并把数据状态存放在Request中
转交数据状态到下一个视图
在自己毁灭之前，销毁资源
*/
package TestClass;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;

public class TestServlet extends HttpServlet
{
	public void init(ServletConfig config) throws ServletException
	{
//		config.getServletContext().setAttribute("Main",new LoginCommand("/Main.jsp"));
		super.init(config);
	}
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
	{
		//取出传来的参数信息
		String pNo=request.getParameter("txtNo");
		String pName=request.getParameter("txtName");
		String pID=request.getParameter("txtID");
		String permitNo=request.getParameter("txtPass");
		String type=request.getParameter("rdoType");
		//实例状态操作组件
		AttendmentBean bean=new AttendmentBean();
		//实例数据操作组件
		AttendmentDBbean dbBean=new AttendmentDBbean();
		//调用单个查询操作
		bean=dbBean.GetOne(pNo);
		if(pName.equals(bean.getPName()) && pID.equals(bean.getPID()) && permitNo.equals(bean.getPermitNo()))
		{
			request.setAttribute("Login",bean);
			dbBean.Close();
			String NextPage="/Main.jsp";
			this.getServletContext().getRequestDispatcher(NextPage).forward(request,response);
		}
		else
		{
			dbBean.Close();
			String NextPage="/Remarks.htm";
			this.getServletContext().getRequestDispatcher(NextPage).forward(request,response);
		}
	}
	
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException
	{
		doPost(request,response);
	}
	
	public void destroy()
	{
//		this.getServletContext().removeAttribute("Main");
	}
}