> rails service
> script/generate model Person

class CreatePeople < ActiveRecord::Migrationdef self.upcreate_table :people do |t|t.column :first_name, :string, :limit => 40t.column :last_name, :string, :limit => 40t.column :email, :string, :limit => 40t.column :phone, :string, :limit => 15endenddef self.downdrop_table :peopleend
end

class PeopleController < ApplicationControllerdef indexlistrender :action => 'list'end# GETs should be safe (see
[url]http://www.w3.org/2001/tag/doc/whenToUseGet.html[/url])verify :method => :post, :only => [ :destroy, :create, :update
],:redirect_to => { :action => :list }def list@person_pages, @people = paginate :people, :per_page => 10enddef show@person = Person.find(params[:id])enddef new@person = Person.newenddef create@person = Person.new(params[:person])if @person.saveflash[:notice] = 'Person was successfully created.'redirect_to :action => 'list'elserender :action => 'new'endenddef edit@person = Person.find(params[:id])enddef update@person = Person.find(params[:id])if @person.update_attributes(params[:person])flash[:notice] = 'Person was successfully updated.'redirect_to :action => 'show', :id => @personelserender :action => 'edit'endenddef destroyPerson.find(params[:id]）。destroyredirect_to :action => 'list'end
end

def list@people = Person.find_all
end

> curl -i [url]http://localhost:3000/people/list[/url]
HTTP/1.1 200 OK
Cache-Control: no-cache
Connection: Keep-Alive
Date: Tue, 27 Jun 2006 14:54:49 GMT
Content-Type: text/html; charset=UTF-8
Server: WEBrick/1.3.1 (Ruby/1.8.4/2005-12-24)
Content-Length: 854
Set-Cookie: _session_id=216912045de52786f032b22755c903dd; path=/

def list# wants is determined by the http Accept header in the request@people = Person.find_allrespond_to do |wants|wants.htmlwants.xml { render :xml => @people.to_xml }end
end

def list# wants is determined by the http Accept header in the request@people = Person.find_allrespond_to do |wants|wants.htmlwants.jswants.xml { render :xml => @people.to_xml }end
end

def show@person = Person.find(params[:id])respond_to do |wants|wants.htmlwants.xml { render :xml => @person.to_xml }end
end

require 'net/http'
Net::HTTP.start('localhost', 3000) do |http|response = http.get('/people/list', 'Accept' => 'text/xml')#Do something with the response.puts "Code: #{response.code}" puts "Message: #{response.message}"puts "Body:\n #{response.body}"
end

package com.rapidred.ws;
import java.net.*;
import java.io.*;
public class SimpleGet {void get() {try {URL url = new URL("http://localhost:3000/people/list");URLConnection urlConnection = url.openConnection();urlConnection.setRequestProperty("accept", "text/xml");BufferedReader in = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));String str;while ((str = in.readLine()) != null) {System.out.println(str);}in.close();}catch (Exception e) {System.out.println(e);}}

void post() {
try {String xmlText  = "<person> " +"<first-name>Maggie</first-name>" +"<last-name>Maggie</last-name>" +"<email>[email]maggie@tate.com[/email]</email>" +"</person>";URL url = new URL("http://localhost:3000/people/create");HttpURLConnection conn = (HttpURLConnection)url.openConnection();conn.setDoOutput(true);conn.setRequestMethod("POST");conn.setRequestProperty("Content-Type", "text/xml");OutputStreamWriter wr = new
OutputStreamWriter(conn.getOutputStream());wr.write(xmlText);wr.flush();BufferedReader rd = new BufferedReader(new
InputStreamReader(conn.getInputStream()));String line;while ((line = rd.readLine()) != null) {System.out.println(line);}wr.close();rd.close();} catch (Exception e) {System.out.println("Error" + e);}
}