package com.zuidaima

import java.io.IOException;

import java.io.PrintWriter;

import java.util.Map;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

public class GetParams extends HttpServlet {

    private static final long serialVersionUID = 1L;

    public GetParams() {

        super();

    }

    protected void doGet(HttpServletRequest request,

            HttpServletResponse response) throws ServletException, IOException {

        PrintWriter writer = response.getWriter();

        writer.println("GET " + request.getRequestURL() + " "

                + request.getQueryString());

        Map<String, String[]> params = request.getParameterMap();

        String queryString = "";

        for (String key : params.keySet()) {

            String[] values = params.get(key);

            for (int i = 0; i < values.length; i++) {

                String value = values[i];

                queryString += key + "=" + value + "&";

            }

        }

        // 去掉最后一个空格

        queryString = queryString.substring(0, queryString.length() - 1);

        writer.println("GET " + request.getRequestURL() + " " + queryString);

    }

    protected void doPost(HttpServletRequest request,

            HttpServletResponse response) throws ServletException, IOException {

        PrintWriter writer = response.getWriter();

        Map<String, String[]> params = request.getParameterMap();

        String queryString = "";

        for (String key : params.keySet()) {

            String[] values = params.get(key);

            for (int i = 0; i < values.length; i++) {

                String value = values[i];

                queryString += key + "=" + value + "&";

            }

        }

        // 去掉最后一个空格

        queryString = queryString.substring(0, queryString.length() - 1);

        writer.println("POST " + request.getRequestURL() + " " + queryString);

    }

}