#1下载结束↑
   #2以下开始解压缩↓
   frzip = zipfile.ZipFile(r'D:/ProgramData/' + 'mingw64.zip', 'r')
   print('loading..')
   for file in frzip.namelist():
       frzip.extract(file, r'D:/ProgramData/mingw__64')
   frzip.close()
   print('ok')
   #2解压缩完毕↑
   #3查找bin子文件夹有多深（此处只设计二级）↓
   folder = os.listdir(r'D:/ProgramData/mingw__64')
   if 'bin' in folder:
       addressp = r'D:/ProgramData/mingw__64/bin'
       addressm = r'D:/ProgramData/mingw__64'
   else:
       for t in folder:
           folder2 = os.listdir(r'D:/ProgramData/mingw__64/' + t)
           if 'bin' in folder2:
               addressp = r'D:/ProgramData/mingw__64/' + t + '/bin'
               addressm = r'D:/ProgramData/mingw__64/' + t
       print('add:', addressp, addressm)
   #3查找完毕，将路径固定↑

   env1 = os.environ.get('path')  # 读取path里的值
   env1 = tuple(env1.split(';'))  # 按照；分隔
   env2 = os.environ.get('MinGW_64x')  # 读取MinGW_64里的值
   print('n'.join(env1))
   print(env2)
   if addressp in env1:#如果path里包含addressp路径
       pass
   else:
       os.putenv('path', addressp)

   if addressm in env2:#如果MinGW_64x里包含addressm路径
       pass
   else:
       os.putenv('MinGW_64x', addressm)
       # os.putenv('path',r'D:ProgramDatamingw64')
   wor = subprocess.getstatusoutput("gcc -v")  # cmdgcc-v，错误则返回非0值