showtextservlet.java

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package servlet;

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

public class ShowtextServlet 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);
        String url = request.getParameter("url");
        request.setCharacterEncoding("GBK");

        //调用方法getFileText()读取文件内容并转发到showtext.jsp
        ReadFile rf = new ReadFile();
        String text = rf.getFileText(url);
        HttpSession session = request.getSession();
        session.setAttribute("newstext", text);

        newsDAO cot = new newsDAO();
        ArrayList list = (ArrayList) cot.getnewstitle();
        request.setAttribute("pagelist", list);
        RequestDispatcher dis = request.getRequestDispatcher("showtext.jsp");
        dis.forward(request, response);

    }

    //Process the HTTP Post request
    public void doPost(HttpServletRequest request, HttpServletResponse response) throws
            ServletException, IOException {
        doGet(request, response);
    }

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