qiantai.java

新闻发布系统 jsp制作。可应用与毕业设计

package com.newsIssueSystem.servlet;

import java.io.IOException;
import java.util.List;

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

import com.newsIssueSystem.javaBean.FirstLevelTitle;
import com.newsIssueSystem.javaBean.SecondLevelTitle;

public class Qiantai extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public Qiantai() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 * 
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request
	 *            the request send by the client to the server
	 * @param response
	 *            the response send by the server to the client
	 * @throws ServletException
	 *             if an error occurred
	 * @throws IOException
	 *             if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		response.setContentType("text/html");
		FirstLevelTitle flt=new FirstLevelTitle();
		SecondLevelTitle slt=new SecondLevelTitle();
		List slst=slt.getAllSecondLevelTitle();
		List flst=flt.getAllFirstLevelTitleName();
		
		String name=request.getParameter("name");
		if(name.equals("f"))
		{
			request.setAttribute("flt", flst);
			RequestDispatcher rd=request.getRequestDispatcher("fLevelNews.jsp");
			rd.forward(request, response);
		}
		else{
			request.setAttribute("slt", slst);
			RequestDispatcher rd=request.getRequestDispatcher("sLevelNews.jsp");
			rd.forward(request, response);
		}
		
	}

	/**
	 * The doPost method of the servlet. <br>
	 * 
	 * This method is called when a form has its tag value method equals to
	 * post.
	 * 
	 * @param request
	 *            the request send by the client to the server
	 * @param response
	 *            the response send by the server to the client
	 * @throws ServletException
	 *             if an error occurred
	 * @throws IOException
	 *             if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		doGet(request, response);

	}

	/**
	 * Initialization of the servlet. <br>
	 * 
	 * @throws ServletException
	 *             if an error occure
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}