indexservlet.java

有发布

package servlet;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import DB.*;
import java.util.ArrayList;

public class indexservlet extends HttpServlet {
    private static final String CONTENT_TYPE = "text/html; charset=GBK";

    //Initialize global variables
    public void init() throws ServletException {
    }

    //Process the HTTP Get request
    public void doGet(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        response.setContentType(CONTENT_TYPE);
        request.setCharacterEncoding("GBK");

        String type = request.getParameter("type");
        String key = request.getParameter("key");
        newsDAO news = new newsDAO();

        //根据主页面传过来的参数判断执行方法
        if (key == null) {
            if (type.equals("shouye")) {
                RequestDispatcher dis = request.
                                        getRequestDispatcher("newsindex.jsp");
                dis.forward(request, response);
            } else if (type.equals("zhengzi")) {

                request.setAttribute("list", news.selecttype(type));
                RequestDispatcher dis = request.
                                        getRequestDispatcher("listnews.jsp");
                dis.forward(request, response);
            } else if (type.equals("jingji")) {

                request.setAttribute("list", news.selecttype(type));
                RequestDispatcher dis = request.
                                        getRequestDispatcher("listnews.jsp");
                dis.forward(request, response);
            } else if (type.equals("tiyu")) {

                request.setAttribute("list", news.selecttype(type));
                RequestDispatcher dis = request.
                                        getRequestDispatcher("listnews.jsp");
                dis.forward(request, response);
            } else if (type.equals("yule")) {

                request.setAttribute("list", news.selecttype(type));
                RequestDispatcher dis = request.
                                        getRequestDispatcher("listnews.jsp");
                dis.forward(request, response);
            } else if (type.equals("gangao")) {

                request.setAttribute("list", news.selecttype(type));
                RequestDispatcher dis = request.
                                        getRequestDispatcher("listnews.jsp");
                dis.forward(request, response);
            } else if (type.equals("taiwan")) {

                request.setAttribute("list", news.selecttype(type));
                RequestDispatcher dis = request.
                                        getRequestDispatcher("listnews.jsp");
                dis.forward(request, response);
            } else if (type.equals("jiaoyu")) {

                request.setAttribute("list", news.selecttype(type));
                RequestDispatcher dis = request.
                                        getRequestDispatcher("listnews.jsp");
                dis.forward(request, response);
            } else if (type.equals("qiche")) {

                request.setAttribute("list", news.selecttype(type));
                RequestDispatcher dis = request.
                                        getRequestDispatcher("listnews.jsp");
                dis.forward(request, response);
            } else if (type.equals("keji")) {

                request.setAttribute("list", news.selecttype(type));
                RequestDispatcher dis = request.
                                        getRequestDispatcher("listnews.jsp");
                dis.forward(request, response);
            } else if (type.equals("jiaju")) {

                request.setAttribute("list", news.selecttype(type));
                RequestDispatcher dis = request.
                                        getRequestDispatcher("listnews.jsp");
                dis.forward(request, response);
            } else if (type.equals("junshi")) {

                request.setAttribute("list", news.selecttype(type));
                RequestDispatcher dis = request.
                                        getRequestDispatcher("listnews.jsp");
                dis.forward(request, response);
            } else if (type.equals("lvyou")) {

                request.setAttribute("list", news.selecttype(type));
                RequestDispatcher dis = request.
                                        getRequestDispatcher("listnews.jsp");
                dis.forward(request, response);
            }
        } else if(key != null) {
            ArrayList list = news.selectkey(key);
            request.setAttribute("list", list);
            RequestDispatcher dis = request.
                                    getRequestDispatcher("search.jsp");
            dis.forward(request, response);


        }
    }

    public void doPost(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        doGet(request, response);
    }

    //Clean up resources
    public void destroy() {
    }
}