loginservlet.java

《j2me开发精解〉（詹健飞）CD-rom附带源码。用netbeans

package com.j2medev.ch6.http;

import java.io.*;
import java.net.*;

import javax.servlet.*;
import javax.servlet.http.*;

public class LoginServlet extends HttpServlet {
    
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        request.setCharacterEncoding("UTF-8");
        java.util.Enumeration headers = request.getHeaderNames();
        System.out.println("HTTP头信息");
        while(headers.hasMoreElements()){
            String header = (String)headers.nextElement();
            System.out.println(header+"="+request.getHeader(header));
        }
        String userName = request.getParameter("username");
        String password = request.getParameter("password");
        System.out.println(userName+":"+password);
        DataOutputStream dos = new DataOutputStream(response.getOutputStream());
        if(userName.equals("詹建飞") && password.equals("pass")){
             dos.writeInt(100);
        }else{
            dos.writeInt(200);
        }
        dos.flush();
        dos.close();
    }

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

    public String getServletInfo() {
        return "Short description";
    }
}