checiservlet.java

自己做的一个火车票售票网站是课程设计 用的是servlet+jsp 数据库是ms

package com.servlet;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.factory.CheciFactory;
import com.vo.*;

public class CheciServlet extends HttpServlet {

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		request.setCharacterEncoding("utf-8");
		String selectCheciNumber = request.getParameter("CheciNumber");
		Collection coll = new ArrayList();
		CheciVO vo = null;
		vo = CheciFactory.getCheciDAOImpl().selectByNumber(selectCheciNumber);
		coll.add(vo);
		request.setAttribute("allCheciVO", coll);

		if (coll.isEmpty()) {
			request.getRequestDispatcher("error.jsp")
					.forward(request, response);
		} else {

			request.getRequestDispatcher("show.jsp").forward(request, response);

		}

	}

}