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[代码] GET 方法
>>> import httplib   

 >>> conn = httplib.HTTPConnection(“www.python.org“)   

 >>> conn.request(“GET”, “/index.html”)   

>>> r1 = conn.getresponse()   

>>> print r1.status, r1.reason   

 200 OK   

>>> data1 = r1.read()   

 >>> conn.request(“GET”, “/parrot.spam”)   

 >>> r2 = conn.getresponse()   

>>> print r2.status, r2.reason   

 404 Not Found   

>>> data2 = r2.read()   

>>> conn.close()
[代码] HEAD 方法
view sourceprint?
 >>> import httplib   

 >>> conn = httplib.HTTPConnection(“www.python.org“)   

 >>> conn.request(“HEAD”,”/index.html”)   

 >>> res = conn.getresponse()   

>>> print res.status, res.reason   

 200 OK   

 >>> data = res.read()   

 >>> print len(data)   

 0 

 >>> data == ”   

 True
[代码] POST 方法
 >>> import httplib, urllib   

 >>> params = urllib.urlencode({‘spam’: 1, ‘eggs’: 2, ‘bacon’: 0})   

>>> headers = {“Content-type”: “application/x-www-form-urlencoded”,   …    “Accept”: “text/plain”}   

>>> conn = httplib.HTTPConnection(“musi-cal.mojam.com:80″)   

 >>> conn.request(“POST”, “/cgi-bin/query”, params, headers)   

>>> response = conn.getresponse()   

 >>> print response.status, response.reason   

 200 OK   

 >>> data = response.read()   

>>> conn.close()

#!/usr/bin/python
# -*- coding: utf-8 -*-
###############################
#百度中批量下载某歌手的歌
###############################
import re,urllib,os
def download(url=”http://mp3.baidu.com/songlist/%B3%C2%DE%C8%D1%B8.html“,
             filepath=”F:/downloadmusic/”):
        “”"
百度中批量下载某歌手的歌
url为陈奕迅的歌
filepath为保存的文件夹
“”"
        author_name=u”陈奕迅”
        if not os.path.exists(filepath):
                os.mkdir(filepath)
        res=urllib.urlopen(url)
        content=res.read()
        res.close()
        content_gbk=content.decode(‘gbk’)
        td=re.compile(‘\)”>.*</a><div>’)
        names=re.findall(td,content_gbk)
        i=0
        for name in names:
                try:
                        song_name=name[3:-22]
                        print(song_name)
                        song_url = “http://box.zhangmen.baidu.com/x?op=12&count=1&mtype=1&title=”
                        song_url=song_url+urllib.quote(song_name.encode(‘gbk’))
                        song_url=song_url+’$$’+urllib.quote(author_name.encode(‘gbk’))+’$$$$&url=&listenreelect=0&.r=0.1696378872729838′
                        #print(song_url)
                        xmlfile=urllib.urlopen(song_url)
                        xml_content=xmlfile.read()
                        xml_content=xml_content.decode(‘gbk’)
                        url1 = re.findall(‘<encode>.*?CDATA\[(.*?)\]].*?</encode>’,xml_content)
                        url2 = re.findall(‘<decode>.*?CDATA\[(.*?)\]].*?</decode>’,xml_content)
                        url=url1[0][:url1[0].rindex(‘/’)+1] + url2[0]
                        urllib.urlretrieve(url,filepath+song_name+’.mp3′)
                except:
                        break
if __name__==’__main__’:
        download()
        #os.system(“pause”)

#!/usr/bin/python
import os
import pickle
#判断通讯录是否存在，不存在则创建空通讯录
if os.path.exists(r’E:\Person.data’)==False:
    f=open(‘E:\Person.data’,'wb’)
    temp={‘total’ : 0}
    pickle.dump(temp,f)
    f.close()
else:
    pass
#添加联系人
def add():
    f=open(‘E:\Person.data’,'rb’)
    a=pickle.load(f)
    f.close()
    b=0
    name = input(‘请输入所要添加联系人的姓名:’)
    for key in a.keys():
        b+=1
        if key==name and b <= a['total']+1:
            print(“联系人已存在，添加失败！”)
            break
        if b==a['total']+1 and key != name:       
            number = input(‘请输入号码:’)
            information={name : number}
            a['total']+=1
            a.update(information)
            f=open(‘E:\Person.data’,'wb’)
            pickle.dump(a,f)
            f.close()
            print(‘添加成功!’)
            break
#显示所有联系人
def showall():
    f=open(‘E:\Person.data’,'rb’)
    a=pickle.load(f)
    print(“一共有{}个联系人.”.format(a['total']))
    for key in a.keys():
        if key != ‘total’:
            print(“{“”}:{“”}”.format(key,a[key]))
    f.close()
#退出通讯录
def exit():
    exec(“quit()”)
#查找
def search(name):
    f=open(‘E:\Person.data’,'rb’)
    a=pickle.load(f)
    b=0
    for key in a.keys():
        b+=1
        if key==name and b<=a['total']+1:
            print(“{}的号码是: {}”.format(name,a[key]))
            break
        if b==a['total']+1 and key != name:
            print(“联系人不存在!”)
            break
    f.close()
#删除
def deleate(name):
    f=open(‘E:\Person.data’,'rb’)
    a=pickle.load(f)
    f.close()
    b=0
    for key in a.keys():
        b+=1
        if key==name and b<=a['total']+1:
            a.pop(name)
            a['total']-=1
            f=open(‘E:\Person.data’,'wb’)
            pickle.dump(a,f)
            f.close()
            print(“删除成功!”)
            break
        if b==a['total']+1 and key != name:
            print(“联系人不存在！无法删除！”)
            break
#修改
def change ():
    x=input(“请输入所要修改联系人姓名:”)
    f=open(‘E:\Person.data’,'rb’)
    a=pickle.load(f)
    f.close()
    b=0
    for key in a.keys():
        b+=1
        if key==x and b<=a['total']+1:
            y=input(“请输入修后的号码:”)
            a[key]=y
            f=open(‘E:\Person.data’,'wb’)
            pickle.dump(a,f)
            f.close()
            print(“修改成功!”)
            break
        if b==a['total']+1 and key != name:
            print(“联系人不存在！”)
            break
#界面
def point ():
    print(“*******************************”)
    print(“显示提示信息:*”)
    print(“显示所有联系人:0″)
    print(“查找联系人:1″)
    print(“添加联系人:2″)
    print(“删除联系人:3″)
    print(“更改联系人资料:4″)
    print(“退出通讯录:5″)
    print(“*******************************”)
#主程序
point()
while True:
    x=input(“请输入您的选择:”)
    if x == ’2′:
        add()
        continue
    if x== ’0′:
        showall()
        continue
    if x==’5′:
        exit()
        continue
    if x==’1′:
        name=input(“请输入所要查找联系人的姓名:”)
        search(name)
        continue
    if x==’3′:
        name=input(“请输入所要删除联系人的姓名:”)
        deleate(name)
        continue
    if x== ’4′:
        change()
        continue
    if x==’*':
        point()
    else:
        print(“输入选项不存在，请重新输入！”)
        continue