一、首先我们查看一下关于3GQQ的相关协议：
对此，打开一个支持WAP的浏览器，可以使用Firefox的wmlbrowser插件，打开FF后，访问地址 https://addons.mozilla.org/zh-CN/firefox/search/?q=wmlbrowser&cat=all&x=17&y=11

二、进入3GQQ的进行协议分析
3GQQ的地址是：http://pt.3g.qq.com/s?aid=nLogin3gqq 用安装了wmlbrowser插件的FF打开页面后，启用firebug，即可实现监视提交的数据。

三、源代码部分：

#coding:utf-8
#基于python2.6版本开发
import httplib,urllib,os,threading,re
import sys
reload(sys)
sys.setdefaultencoding('utf8')
class PYQQ:
 def __init__(self):
 self.reqIndex = 0
 
 #HTTP请求
 def httpRequest(self,method,url,data={}):
 try:
 _urld = httplib.urlsplit(url)
 conn = httplib.HTTPConnection(_urld.netloc,80,True,3)
 conn.connect()
 data = urllib.urlencode(data)
 if method=='get':
 conn.putrequest("GET", url, None)
 conn.putheader("Content-Length",'0')
 elif method=='post':
 conn.putrequest("POST", url)
 conn.putheader("Content-Length", str(len(data)))
 conn.putheader("Content-Type", "application/x-www-form-urlencoded")
 
 conn.putheader("Connection", "close")
 conn.endheaders()
 
 if len(data)>0:
 conn.send(data)
 f = conn.getresponse()
 self.httpBody = f.read().encode('utf8')
 f.close()
 conn.close()
 except:
 self.httpBody=''
 return self.httpBody
 #通过首尾获取字符串的内容
 def getCon(self,start,end):
 findex = self.httpBody.find(start)
 if findex == -1 : return None
 tmp = self.httpBody.split(start)
 
 eindex = tmp[1].find(end)
 if eindex == -1:
 return tmp[1][0:]
 else:
 return tmp[1][0:eindex]
 #获取postfield的值
 def getField(self,fd):
 KeyStart = '')
 #获取登陆验证码,并保存至当前目录的qqcode.gif
 def getSafecode(self):
 url = self.getCon('python_实现简单QQ单用户机器人
 import urllib2
 pager = urllib2.urlopen(url)
 data=pager.read()
 file=open(os.getcwd()+'\qqcode.gif','w+b')
 file.write(data)
 file.close()
 return True
 #登陆QQ
 def login(self):
 self.qq = raw_input('请输入QQ号:'.encode('gbk'))
 self.pwd = raw_input('请输入密码:'.encode('gbk'))
 s1Back = self.httpRequest('post','http://pt.3g.qq.com/handleLogin',{'r':'240971315','qq':self.qq,'pwd':self.pwd,'toQQchat':'true','q_from':'','modifySKey':0,'loginType':1})
 if s1Back.find('请输入验证码')!=-1:
 self.sid = self.getField('sid')
 self.hexpwd = self.getField('hexpwd')
 self.extend = self.getField('extend')
 self.r_sid = self.getField('r_sid')
 self.rip = self.getField('rip')
 if self.getSafecode():
 self.safeCode = raw_input('请输入验证码（本文件同目录的qqcode.gif）:')
 else:
 print '验证码加载错误'
 
 postData = {'sid':self.sid,'qq':self.qq,'hexpwd':self.hexpwd,'hexp':'true','auto':'0',
 'logintitle':'手机腾讯网','q_from':'','modifySKey':'0','q_status':'10',
 'r':'271','loginType':'1','prev_url':'10','extend':self.extend,'r_sid':self.r_sid,
 'bid_code':'','bid':'-1','toQQchat':'true','rip':self.rip,'verify':self.safeCode,
 }
 s1Back = self.httpRequest('post','http://pt.3g.qq.com/handleLogin',postData)
 
 self.sid = self.getCon('sid=','&')
 #print self.sid
 print '登陆成功'.encode('gbk')
 self.getMsgFun() 
 #定时获取消息
 def getMsgFun(self):
 self.reqIndex = self.reqIndex + 1
 s2Back = self.httpRequest('get','http://q32.3g.qq.com/g/s?aid=nqqchatMain&sid='+self.sid)
 if s2Back.find('聊天"/>(')!=-1:
 #有新消息，请求获取消息页面
 s3back = self.httpRequest('get','http://q32.3g.qq.com/g/s?sid='+ self.sid + '&aid=nqqChat&saveURL=0&r=1310115753&g_f=1653&on=1')
 
 #消息发起者的昵称
 if s3back.find('title="临时会话')!=-1:
 _fromName = '临时对话'
 else:
 _fromName = self.getCon('title="与','聊天')
 
 #消息发起者的QQ号
 _fromQQ = self.getCon('num" value="','"/>')
 
 #消息内容
 _msg_tmp = self.getCon('saveURL=0">提示)',\'=30:
 #保持在线
 _url = 'http://pt5.3g.qq.com/s?aid=nLogin3gqqbysid&3gqqsid='+self.sid
 self.httpRequest('get',_url)
 self.reqIndex = 0
 t = threading.Timer(2.0,self.getMsgFun)
 t.start() 
 #发送消息
 #qq 目标QQ
 #msg 发送内容
 def sendMsgFun(self,qq,msg):
 msg = unicode(msg,'utf8').encode('utf8')
 postData = {'sid':self.sid,'on':'1','saveURL':'0','saveURL':'0','u':qq,'msg':str(msg),}
 s1Back = self.httpRequest('post','http://q16.3g.qq.com/g/s?sid='+ self.sid +'&aid=sendmsg&tfor=qq',postData)
 print '发送消息给'.encode('gbk'),qq,'成功'.encode('gbk') 
 #收到消息的接口，重载或重写该方法
 def getMsg(self,data):
 print data['time'],"收到".encode('gbk'),data['nick'].encode('gbk'),"(",data['qq'],")的新消息".encode('gbk')," : ",data['msg'].encode('gbk')
 self.sendMsgFun(data['qq'],data['nick']+' ,测试消息。')#+ data['msg'])
QQ = PYQQ()
QQ.login()

至此，机器人功能得以实现！