這個模組是最基本最常用的,以前看過,總結一下
# coding : utf-8
import urllib
url = 'http://cnblogs.com'
#Proxy 伺服器
proxies = {'http':'http://127.0.0.1:8087'}
#使用Proxy 伺服器開啟
r = urllib.urlopen(url,proxies = proxies)
print r.info()
print r.getcode()
print r.geturl()
#開啟本地檔案
f = urllib.urlopen(url = 'file:/home/ma6174/a.sh')
print f.read()
#開啟ftp
#f = urllib.urlopen(url = 'ftp://username:password@ftpaddress')
#儲存網頁並顯示進度
def cbk(a, b, c):
'''
a: num
b: size
c: total
'''
per = 100.0*a*b/c
if per > 100:
per = 100
print '%.2f%%' % per
local = 'cnblogs.html'
urllib.urlretrieve(url,local,cbk)
#get方法
params = urllib.urlencode({'spam': 1, 'eggs': 2, 'bacon': 0})
f = urllib.urlopen("http://www.musi-cal.com/cgi-bin/query?%s" % params)
print f.read()
#post方法
params = urllib.urlencode({'spam': 1, 'eggs': 2, 'bacon': 0})
f = urllib.urlopen("http://www.musi-cal.com/cgi-bin/query", params)
print f.read()
#編碼解碼
data = 'name = ~a+3'
data1 = urllib.quote(data)
print data1 # result: name%20%3D%20%7Ea%2B3
print urllib.unquote(data1) # result: name = ~a+3
data2 = urllib.quote_plus(data)
print data2 # result: name+%3D+%7Ea%2B3
print urllib.unquote_plus(data2) # result: name = ~a+3
data3 = urllib.urlencode({ 'name': 'dark-bull', 'age': 200 })
print data3 # result: age=200&name=dark-bull
data4 = urllib.pathname2url(r'd:/a/b/c/23.php')
print data4 # result: ///D|/a/b/c/23.php
print urllib.url2pathname(data4) # result: D:/a/b/c/23.php