python中zipfile模块实例化解

import zipfile  
z =zipfile.ZipFile(filename, 'r') 
# 这里的第二个参数用r表示是读取zip文件，w是创建一个zip文件  
for f in z.namelist(): 
print f

import zipfile  
z = zipfile.ZipFile(filename, 'r')  
for i in z.infolist():  
print i.file_size, i.header_offset 

import zipfile  
 z = zipfile.ZipFile(filename, 'r')  
print z.read(z.namelist()[0]) 

import zipfile, os  
 z = zipfile.ZipFile(filename, 'w') 
# 注意这里的第二个参数是w，这里的filename是压缩包的名字

if os.path.isdir(testdir):  
     for d in os.listdir(testdir):  
         z.write(testdir+os.sep+d)  
         # close() 是必须调用的！  
         z.close() 

z.write("test/111.txt", "test22/111.txt")  

import zipfile
f = zipfile.ZipFile(filename, 'r') # 这里的第二个参数用r表示是读取zip文件，w或a是创建一个zip文件
 
for f_name in f.namelist(): #z.namelist() 会返回压缩包内所有文件名的列表。
 print(f_name)
#上面的代码是读取一个zip压缩包里所有文件的名字。

import zipfile, os
f = zipfile.ZipFile(os.path.join(os.getcwd(), 'duoduo.zip')) #拼接成一个路径
for file in f.namelist():
　　f.extract(file, r'd:/Work')  #在d:/Work中解压文件
f.close()

import zipfile, os
zipFile = zipfile.ZipFile(os.path.join(os.getcwd(), 'duoduo.zip'))
data = zipFile.read('duoduo.txt')
# (lambda f, d: (f.write(d), f.close()))(open(r'd:/duoduo.txt', 'wb'), data) #一行语句就完成了写文件操作。仔细琢磨哦~_~
with open(r'd:/duoduo.txt','wb') as f:
 for d in data:
  f.write(d)
zipFile.close()

import zipfile, os
zipFile = zipfile.ZipFile(r'D:/test.zip'), 'w')
zipFile.write(r'D:/test.doc', '保存的名字', zipfile.ZIP_DEFLATED)
zipFile.close()

import zipfile, os
zipFile = zipfile.ZipFile(os.path.join(os.getcwd(), 'duoduo.zip'))
zipInfo = zipFile.getinfo('文件中的文件.txt')
print ('filename:', zipInfo.filename) #获取文件名称
print ('date_time:', zipInfo.date_time) #获取文件最后修改时间。返回一个包含6个元素的元组：(年, 月, 日, 时, 分, 秒)
print ('compress_type:', zipInfo.compress_type) #压缩类型
print ('comment:', zipInfo.comment) #文档说明
print ('extra:', zipInfo.extra) #扩展项数据
print ('create_system:', zipInfo.create_system) #获取创建该zip文档的系统。
print ('create_version:', zipInfo.create_version) #获取 创建zip文档的PKZIP版本。
print ('extract_version:', zipInfo.extract_version) #获取 解压zip文档所需的PKZIP版本。
print ('extract_version:', zipInfo.reserved) # 预留字段，当前实现总是返回0。
print ('flag_bits:', zipInfo.flag_bits) #zip标志位。
print ('volume:', zipInfo.volume) # 文件头的卷标。
print ('internal_attr:', zipInfo.internal_attr) #内部属性。
print ('external_attr:', zipInfo.external_attr) #外部属性。
print ('header_offset:', zipInfo.header_offset) # 文件头偏移位。
print ('CRC:', zipInfo.CRC) # 未压缩文件的CRC-32。
print ('compress_size:', zipInfo.compress_size) #获取压缩后的大小。
print ('file_size:', zipInfo.file_size) #获取未压缩的文件大小。
zipFile.close() #

import zipfile
import StringIO
class InMemoryZip(object):
    def __init__(self):
        # Create the in-memory file-like object
        self.in_memory_zip = StringIO.StringIO()

    def append(self, filename_in_zip, file_contents):
        '''Appends a file with name filename_in_zip and contents of 
        file_contents to the in-memory zip.'''
        # Get a handle to the in-memory zip in append mode
        zf = zipfile.ZipFile(self.in_memory_zip, "a", zipfile.ZIP_DEFLATED, False)

        # Write the file to the in-memory zip
        zf.writestr(filename_in_zip, file_contents)

        # Mark the files as having been created on windows so that
        # Unix permissions are not inferred as 0000
        for zfile in zf.filelist:
            zfile.create_system = 0       

        return self

    def read(self):
        '''Returns a string with the contents of the in-memory zip.'''
        self.in_memory_zip.seek(0)
        return self.in_memory_zip.read()

    def writetofile(self, filename):
        '''Writes the in-memory zip to a file.'''
        f = file(filename, "w")
        f.write(self.read())
        f.close()

if __name__ == "__main__":
    # Run a test
    imz = InMemoryZip()
    imz.append("test.txt", "Another test").append("test2.txt", "Still another")
    imz.writetofile("test.zip")

import zipfile
z = zipfile.ZipFile("zipfile.zip", "r")
#打印zip文件中的文件列表
for filename in z.namelist( ):
  print 'File:', filename
#读取zip文件中的第一个文件
first_file_name = z.namelist()[0]
content = z.read(first_file_name)
print first_file_name
print content

import zipfile
z = zipfile.ZipFile('test.zip', 'w', zipfile.ZIP_DEFLATED)
z.write('test.html')
z.close( )

import zipfile 
zipFile = zipfile.ZipFile("q.zip","r")//这里是我们的压缩文件 
zipFile.extractall(pwd="123456")//这里是我们的密码

import zipfile 
zipFile = zipfile.ZipFile("q.zip","r") 
try: 
 password = '123s456'
 zipFile.extractall(pwd=str.encode(password)) 
except Exception as ex: 
 print(ex)

zipFile = zipfile.ZipFile("q.zip","r") 
#打开我们的字典表 
passFile = open('zidian.txt') 
for line in passFile.readlines(): 
 #读取每一行数据（每一个密码) 
 password = line.strip('\n') 
 try: 
 zipFile.extractall(pwd=str.encode(password)) 
 print('=========密码是:'+password+'\n') 
 #如果密码正确退出程序 
 exit(0) 
 except Exception as ex: 
 #跳过 
 pass

import zipfile 
def extractFile(zFile,password): 
 try: 
 zFile.extractall(pwd=str.encode(password)) 
 #如果成功返回密码 
 return password 
 except: 
 return
def main(): 
 zFile = zipfile.ZipFile("q.zip","r") 
 #打开我们的字典表 
 passFile = open('zidian.txt') 
 for line in passFile.readlines(): 
 #读取每一行数据（每一个密码) 
 password = line.strip('\n') 
 guess = extractFile(zFile,password) 
 if (guess): 
  print("=========密码是："+password+"\n") 
  exit(0) 
if __name__=='__main__': 
 main()

f = open('zidian.txt','w') 
for id in range(1000000): 
 password = str(id).zfill(6)+'\n'
 f.write(password) 
f.close()