src/com/servlet/gonggaoServlet.java

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package com.servlet;

import java.io.IOException;
import java.io.PrintWriter;
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 com.bean.gonggao;
import com.dao.gonggaoDao;


import java.util.List;
import java.sql.ResultSet;

public class gonggaoServlet extends HttpServlet  {
	public void service(HttpServletRequest request, HttpServletResponse response)
	throws ServletException, IOException {
		request.setCharacterEncoding("gb2312");
		System.out.println("method"+request.getParameter("method"));
		String method=(String)request.getParameter("method");
		if(method.equals("insert")){//公告添加
			insertM(request, response);
		}else if(method.equals("list")){//公告列表
			ListM(request, response);
		}else if(method.equals("delete")){//公告删除
			deleteM(request, response);
		}else if(method.equals("modifyindex")){//公告修改页面
			modifyIndex(request, response);
		}
		else if(method.equals("modify")){//公告修改
			modifyM(request, response);
		}else if(method.equals("detail")){//公告详细信息
			detailM(request, response);
		}else if(method.equals("Plist")){//公告列表信息
			PListM(request, response);
		}
	}
	private void insertM(HttpServletRequest request, HttpServletResponse response){//公告添加
		gonggaoDao dao=new gonggaoDao();
		gonggao gonggao=new gonggao();
		gonggao.setGgid((String)request.getParameter("keyid"));
gonggao.setBt((String)request.getParameter("bt"));
gonggao.setNr((String)request.getParameter("nr"));

	response.setCharacterEncoding("gb2312");
		try {
			dao.insert(gonggao);
			request.setAttribute("flag", "操作成功"); 
			
			
			
			request.getRequestDispatcher("gonggao/gonggaoadd.jsp").forward(request, response);
		} catch (Exception e) {
			e.printStackTrace();
		}
				
	}