📄 topicservlet.java

📁 用myeclipse开发的一个BBS论坛系统的源代码。大家可以看看。
💻 JAVA
字号:
package cn.edu.rjxy.servlet;

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

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

import cn.edu.rjxy.model.TopicInfoManage;
import cn.edu.rjxy.model.TopicInfoVO;

public class TopicServlet extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public TopicServlet() {
		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");
		PrintWriter out = response.getWriter();
		out
				.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
		out.println("<HTML>");
		out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");
		out.println("  <BODY>");
		out.print("    This is ");
		out.print(this.getClass());
		out.println(", using the GET method");
		out.println("  </BODY>");
		out.println("</HTML>");
		out.flush();
		out.close();
	}

	/**
	 * 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 {
		request.setCharacterEncoding("gb2312");    //Struts ?
		String menuID= request.getParameter("menuID");
		int menuIDDigit=Integer.parseInt(menuID);
		switch(menuIDDigit)
		{
//			case 1:     //用户登录吗
//				goUserLogin(request,response);
//			   break;
			case 4:    //用户发帖功能
				goUserSendTopic(request,response);
				break;
			case 6:    //用户回帖功能
				goUserAnswerTopic(request,response);
				break;
		}
		
	}
	public void goUserSendTopic(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException 
	{
		String username=request.getParameter("username").trim();
		String title= request.getParameter("title").trim();
		String content=request.getParameter("content").trim();
		String posttime=request.getParameter("posttime").trim();
		TopicInfoVO topicInfoVOBean=new TopicInfoVO();
		TopicInfoManage topicInfoManageBean=new TopicInfoManage();
		topicInfoVOBean.setAuthor(username);
		topicInfoVOBean.setTitle(title);
		topicInfoVOBean.setContent(content);
		topicInfoVOBean.setPosttime(posttime);
		
		boolean okOrNot=topicInfoManageBean.doUserSendTopic(topicInfoVOBean);
//	    request.setAttribute("username", username);
//	    request.setAttribute("title", title);
//	    request.setAttribute("content", content);
	    if(okOrNot)
	    {
//	    	response.sendRedirect("/J2EEWebApp/loginSuccess.jsp");	
//转发			
	    	RequestDispatcher oneRequestDispatcher=request.getRequestDispatcher("../main.jsp");
	    	oneRequestDispatcher.forward(request, response);
	    } 
	    else
	    {
	    	RequestDispatcher oneRequestDispatcher=request.getRequestDispatcher("../loginFailure.jsp");
	    	oneRequestDispatcher.forward(request, response);
	     }

	}
	public void goUserAnswerTopic(HttpServletRequest request,HttpServletResponse response) throws ServletException, IOException
	{
		
		String parentTitle= request.getParameter("parentTitle").trim();
		String parentContent=request.getParameter("parentContent").trim();
		String parentPosttime=request.getParameter("parentPosttime").trim();
		String parentId=request.getParameter("parentId");
		request.setAttribute("parentId", parentId);
		request.setAttribute("parentTitle", parentTitle);
		request.setAttribute("parentContent", parentContent);
		request.setAttribute("parentPosttime", parentPosttime);
		
		String username=request.getParameter("userName1").trim();
		String title= request.getParameter("title1").trim();
		String content=request.getParameter("content1").trim();
		String posttime=request.getParameter("posttime1").trim();
		String parentid=request.getParameter("parentid");
		System.out.println("parentid");
		TopicInfoVO topicInfoVOBean=new TopicInfoVO();
		TopicInfoManage topicInfoManageBean=new TopicInfoManage();
		topicInfoVOBean.setAuthor(username);
		topicInfoVOBean.setTitle(title);
		topicInfoVOBean.setContent(content);
		topicInfoVOBean.setPosttime(posttime);
		topicInfoVOBean.setParentid(parentid);
		boolean okOrNot=topicInfoManageBean.doUserSendTopic(topicInfoVOBean);
		if(okOrNot)
	    {
//	    	response.sendRedirect("/J2EEWebApp/loginSuccess.jsp");	
//转发			
	    	RequestDispatcher oneRequestDispatcher=request.getRequestDispatcher("../answerTopic.jsp");
	    	oneRequestDispatcher.forward(request, response);
	    } 
	    else
	    {
	    	RequestDispatcher oneRequestDispatcher=request.getRequestDispatcher("../answerFailure.jsp");
	    	oneRequestDispatcher.forward(request, response);
	     }
	}

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

}
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