xzuploadservlet.java~24~

c++通信编程学习1

package com.j2ee.servlet.first;

import javax.servlet.*;
import javax.servlet.http.*;
import java.io.*;
import java.util.*;
import com.j2ee.func.upload.*;
import com.j2ee.func.zlxz.*;

public class XzuploadServlet 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 {
        String path = null;
        HttpSession session = request.getSession();
        String lx1= (String) session.getAttribute("lx");
       if(lx1.equals("源代码")){path="../j2eemanage/upload/ydm/";}
       else if(lx1.equals("书籍")){path="../j2eemanage/upload/ydm/";}
        //Viewjsqk viewjsqk=new Viewjsqk();

    // String id=(String)session.getAttribute("id");
    // String page=(String)session.getAttribute("page");
        String filename = (String) request.getParameter("filename");
        //filename="filename=H:\\图片\\xi\\0kt0.jpg\"";
        if (filename != null) {
            //filename = path + filename;
            //filename = this.getServletContext().getRealPath(filename);
            File file = new File(filename);
            long count = file.length();
            file.delete();
        }

    //  }
    //  session.removeAttribute("id");
        //session.removeAttribute("page");
        // session.removeAttribute("filename");

        FileUpload fup = new FileUpload(path);
        fup.initialize(this.getServletContext(), this.getServletConfig(), request,
                       response);
        fup.save();
        //viewjsqk.setId(Integer.parseInt(id));
        String fn = fup.getGetFilename();
        int filesize = fup.getFilesize();
        String fs = new String();
        if ((filesize = filesize / 1024) < 1024) {
            fs = filesize + "KB";
        } else if ((filesize = filesize / 1024) < 1024) {
            fs = filesize + "MB";
        } else if ((filesize = filesize / 1024) < 1024) {
            fs = filesize + "GB";
        }

        String ids = (String) session.getAttribute("id");
        int id = Integer.parseInt(ids);
        ZlxzFunc sgf = new ZlxzFunc();
        if (sgf.updateFile(id, fn, fs)) {

            request.getRequestDispatcher("issuccess.htm").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() {
    }
}