本代码包含 Python 使用 GET/HEAD/POST 方法进行 HTTP 请求

[代码] GET 方法

01 >>> import httplib
02 >>> conn = httplib.HTTPConnection("www.python.org")
03 >>> conn.request("GET", "/index.html")
04 >>> r1 = conn.getresponse()
05 >>> print r1.status, r1.reason
06 200 OK
07 >>> data1 = r1.read()
08 >>> conn.request("GET", "/parrot.spam")
09 >>> r2 = conn.getresponse()
10 >>> print r2.status, r2.reason
11 404 Not Found
12 >>> data2 = r2.read()
13 >>> conn.close()

[代码] HEAD 方法

01 >>> import httplib
02 >>> conn = httplib.HTTPConnection("www.python.org")
03 >>> conn.request("HEAD","/index.html")
04 >>> res = conn.getresponse()
05 >>> print res.status, res.reason
06 200 OK
07 >>> data = res.read()
08 >>> print len(data)
09
10 >>> data == ''
11 True

[代码] POST 方法

01 >>> import httplib, urllib
02 >>> params = urllib.urlencode({'spam': 1, 'eggs': 2, 'bacon': })
03 >>> headers = {"Content-type": "application/x-www-form-urlencoded",
04 ...            "Accept": "text/plain"}
05 >>> conn = httplib.HTTPConnection("musi-cal.mojam.com:80")
06 >>> conn.request("POST", "/cgi-bin/query", params, headers)
07 >>> response = conn.getresponse()
08 >>> print response.status, response.reason
09 200 OK
10 >>> data = response.read()
11 >>> conn.close() GET方法获取的是请求的url资源，POST方法获取的是请求的url资源的附加信息，HEAD方法获取的是请求的url资源的相应报头信息 ！