python解压zip

# encoding=utf-8
import zipfile
import os

def unzip_file(zipfilename, unziptodir):
    if not os.path.exists(unziptodir):
        os.mkdir(unziptodir)
    zfobj = zipfile.ZipFile(zipfilename,‘r‘)
    for name in zfobj.namelist():
        name = name.replace(‘\\‘,‘/‘)
        print(name)
        if name.endswith(‘/‘):
            os.mkdir(os.path.join(unziptodir, name))
        else:
            ext_filename = os.path.join(unziptodir, name)
            print(‘ext_filename=‘+ext_filename)
            ext_dir= os.path.dirname(ext_filename)
            print(‘ext_dir=‘+ext_dir)
            print(‘\n‘)

            if not os.path.exists(ext_dir):
                os.mkdir(ext_dir)
            data = zfobj.read(name)
            outfile = open(ext_filename, ‘wb‘)
            outfile.write(data)
            outfile.close()

if __name__ == ‘__main__‘:
    unzip_file(‘.\\quantdo_page.zip‘,‘.\\‘)     #在当前文件夹下进行解压，解压到当前路径