urllib,urlib2与httplib,urllib3

urllib：编码参数离不开urllib，urllib.urlencode,

urllib.urlopen(URL,[,data])

支持POST，根据参数区分post或者get

urllib2：发送url请求，可添加http请求头字段，但是添加Cookie头字段无效

httplib: 可以发送cookie字段，

 def getRead(page=1):

     url="http://cn.ae.aliexpress.com/wssellercrm/ajax_ws_seller_crm_list.htm"

     query_data=urllib.urlencode({'orderBy':'tradeTotalFund',

                                  'orderType':'desc',

                                  'currentPage':'%s' % page

                                  })

     headers={'Cookie':\

              'acs_usuc_t=acs_rt=0552311d078047e49628c29bae7c5510; ali_apache_id=113.108.202.203.1411525480759.841347.4; xman_us_t=x_lid=cn1501352204&sign=y&x_user=o8anv3hmlnvnCLyPLqx730tq76bwCDtOxL56lzQjUvk=&need_popup=y; xman_f=J/g6ytFi9Zx/qPq2GKORwwSTfOyc11nLAZ5D2t0QcHLpWriunNxyySSUfp0TcTSc0XzOc93b/LaWDSeXmBT/S5oWGPl0c2YHSO1Ze8wNBwSHf0LQhXNA07nALRuAwChR9JqjEtGVKN2Xf/MFGK690sZtLSPXKyk5kk2uMkjn+n96YD1P6h0J3dv1bpr01gZmnIOUVbdNpCDZ+bTWIu3ZcapoLwh4SIZ6eibzNti48s6vs2UbzUmK7DMYrk8YVglLU1k2ky7sXPfn9o+SheNk/Odlvke+YRhWs4xqbUuW4rbrWQRMPjeGHEnMmjfm74SD+ihymHPTnhuq2YvyEdrxgW2nRheHtoXL; __utma=3375712.1054749006.1411533102.1411533102.1411533102.1; __utmc=3375712; __utmz=3375712.1411533102.1.1.utmcsr=(direct)|utmccn=(direct)|utmcmd=(none); aep_history=keywords%5E%0Akeywords%09%0A%0Aproduct_selloffer%5E%0Aproduct_selloffer%092044496155; xman_t=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; JSESSIONID=A003C292DF818CF827DCE0DB85DE80C0; ali_apache_track=mt=3|ms=|mid=cn1501352204; ali_apache_tracktmp=W_signed=Y; xman_us_f=x_l=1&x_locale=zh_CN&no_popup_today=n&x_user=CN|Aveen|Chow|cnfm|205829874&x_regin=CN&aep_site=glo&last_popup_time=1411525493024; intl_locale=zh_CN; aep_usuc_f=region=CN&site=glo&c_tp=USD; intl_common_forever=0MBh06hlQ3PAQrC0FHvbHnfPGdeIGm6rwfpHuYOZdNAmAhxKvGVqQA==; acs_t=qW7Yrx/HyH7fy1xJei1OVEY0QdTXxudiltRlU+AP6iYm+pgfaF/Guj2wkKf7SiZb'

              }

     client=httplib.HTTPConnection('cn.ae.aliexpress.com',80)

     req_url="?".join(('/wssellercrm/ajax_ws_seller_crm_list.htm',query_data))

     print req_url

     client.request('GET',req_url,headers=headers)

     response = client.getresponse()

     print response.status

     print response.reason

     cont = response.read()

 #    print cont

     return reg.findall(cont)

urllib3：可以建立一个连接池,具备post文件功能

http=urllib3.PoolManager()
res=http.request('GET',URL,data)

http=urllib3.PoolManager()

res=http.request('POST',TOKEN_URL,req_args,encode_multipart=False)

#如果请求响应报 Bad Request / Bad content type 信息时

需要设置参数encode_multipart=False

巴特西

urllib,urlib2与httplib,urllib3

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