#?-*-?coding:utf-8?-*-
#!/usr/bin/python3

from?http?import?client
from?urllib.parse?import?urlencode
from?urllib.parse?import?urlparse
import?time

class?HttpClient:
????‘‘‘
????基于http協(xié)議的通訊端，可以將客戶端組織的數(shù)據(jù)發(fā)往服務(wù)器自動(dòng)幫你管理session
????‘‘‘
????C_HTTP_HEADER_USER_AGENT?=?‘user-agent‘
????C_HTTP_HEADER_COOKIE?=?‘cookie‘
????C_HTTP_HEADER_SET_COOKIE?=?‘Set-Cookie‘
????__server=None
????__port=None
????__service=None
????__timeout?=?None
????__sessionidname?=?None
????__cookies?=?{}
????__requestheaders?=?{}
????__hasresponse?=?False
????__response?=?None

????def?setTimeout（self?timeout）:
????????‘‘‘設(shè)置超時(shí)時(shí)間
????????parameter
			timeout?超時(shí)時(shí)間
????????return
			None
????????‘‘‘
????????self.__timeout?=?timeout

????def?addRequestHeader（self?headerName?value）:
????????‘‘‘
????????添加請(qǐng)求頭信息
????????parameter
			headerName	請(qǐng)求名
			value	請(qǐng)求內(nèi)容
		return
			None
????????‘‘‘
????????if?headerName?in?self.__requestheaders.keys（）:
????????????del?self.__requestheaders[headerName]
????????self.__requestheaders[headerName]?=?value

????def?setSessionIdName（self?sessionIdName）:
????????‘‘‘
????????設(shè)置sessionid的名字，通過(guò)此屬性可以避免每次提交請(qǐng)求都創(chuàng)建新session的問(wèn)題
????????parameter
			sessionIdName?session的名字
????????return
			None
????????‘‘‘
????????self.__sessionidname?=?sessionIdName

????def?clearRequestHeaders（self）:
????????‘‘‘
????????清除請(qǐng)求頭
????????‘‘‘
????????self.__requestheaders.clear（）

????def?send（self?method?url?parameters）:
????????‘‘‘
????????發(fā)送數(shù)據(jù)
????????parameter
????????????method?GET/POST
????????????url????請(qǐng)求地址http://127.0.0.1:8080/serveric/demo1
????????????parameters?請(qǐng)求Dict
????????return
			True/False
????????‘‘‘
????????self.__hasresponse?=?False
????????urlres?=?urlparse（url）

????????for?i?in?range（1?3）:
????????????conn?=?client.HTTPConnection（urlres.hostname?urlres.port?False?timeout=self.__timeout）
????????????try:
????????????????if?“POST“?==?method.upper（）:
????????????????????self.addRequestHeader（“Content-Type“?“application/x-www-form-urlencoded“）
????????????????????self.addRequestHeader（“Cache-Control“?“no-cacheno-storemust-revalidatepost-check=0ptr-check=0“）
????????????????????self.addRequestHeader（‘Accept‘?‘text/plain‘）
????????????????????self.addRequestHeader（“Connection“?“Keep-Alive“）

????????????????sCookies?=?self.map2String（self.__cookies?‘;‘）
????????????????if?not?sCookies.find（self.__sessionidname）:
????????????????????sCookies?=?““.join（[sCookies?“;“?self.__sessionidname?“=“?self.__cookies[self.__sessionidname]]）

????????????????if?sCookies?!=?None?and?sCookies?!=?““:
????????????????????self.addRequestHeader（self.C_HTTP_HEADER_COOKIE?sCookies）?#把Cookies信息加入RequestHeader

????????????????sParams?=?urlencode（parameters?encoding=‘gbk‘）
????????????????conn.request（method?urlres.path?body=sParams?headers?=?self.__requestheaders）
????????????????result?=?conn.getresponse（）
????????????????if?result.status?!=?200:
????????????????????return?False
????????????????self.__response=?result.read（）.decode（‘utf-8‘）
????????????????s