import os;

import time;

os.system('start "wmplayer.exe", "F:\\abc.mp4"');

--分割代碼 start----

import sys,os;

kilobytes = 1024;

megabytes = kilobytes*1024;

chunksize = int(10*megabytes);

def split(fromfile,todir,chunksize=chunksize):

if not os.path.exists(todir):

os.mkdir(todir)

else:

for fname in os.listdir(todir):

os.remove(os.path.join(todir,fname))

partnum = 0

inputfile = open(fromfile,"rb")

while True:

chunk = inputfile.read(chunksize)

if not chunk:

inputfile.close()

break

partnum += 1

filename = os.path.join(todir, ("abc%04d"%partnum))

print("我要顯示的文件名稱："+filename)

fileobj = open(filename, "wb")

fileobj.write(chunk)

fileobj.close()

return partnum

if __name__=="__main__":

fromfile = "F:\\abc.mp4"

todir = "F:\\split_parts\\"

#chunksize = int(5000000)

absfrom,absto = map(os.path.abspath,[fromfile,todir])

print('分割：',absfrom,'to',absto,'by',chunksize)

try:

parts = split(fromfile,todir,chunksize)

except:

print('Error during split:')

print(sys.exc_info()[0],sys.exc_info()[1])

else:

print('分割完成:',parts,'parts are in',absto)

--合并代碼 start----

import sys,os

def joinfile(fromdir,filename,todir):

if not os.path.exists(todir):

os.mkdir(todir)

if not os.path.exists(fromdir):

print("合拼文件路徑錯誤！")

outfile = open(os.path.join(todir,filename),"wb")

files = os.listdir(fromdir)

files.sort()

for file in files:

filepath = os.path.join(fromdir,file)

infile = open(filepath,"rb")

data = infile.read()

outfile.write(data)

infile.close()

outfile.close()

if __name__=="__main__":

fromdir = "F:\\split_parts\\"

todir = "F:\\split_parts\\"

filename = "abc.mp4"

try:

joinfile(fromdir,filename,todir)

except:

print("錯誤的連接文件：")

print(sys.exc_info()[0],sys.exc_info()[1])

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