Question

我正在尝试从服务器向客户端发送屏幕截图（使用PIL）。

截图部分工作正常，但是当我尝试发送图像时它不起作用。当我尝试创建图像时，不会创建该文件。我认为问题在于我发送数据的方式。

我读到我必须在传输文件之前将文件大小发送给客户端，但我不明白该怎么做。

服务器：

import socket
from random import randint
from PIL import ImageGrab

SIZE = 1024


def main():


while True:
    try:
        server_socket = socket.socket()
        server_socket.bind(('0.0.0.0', 8820))
        server_socket.listen(1)
        (client_socket, client_address) = server_socket.accept()
        data = client_socket.recv(1024)

        if data == "SCREEN":
            image = ImageGrab.grab()
            image.save(r'C:\Users\Dennis\Desktop\Python\ScreenShots\screen.jpg')

            file = open('C:\Users\Dennis\Desktop\Python\ScreenShots\screen.jpg', 'rb')
            content = file.read()

            while content:
                current = content[:SIZE]
                content = content[SIZE:]
                client_socket.send(current)

            file.close()

        if data == "EXIT":
            client_socket.send("Disconnected")
            break

        else:
            print "error"


    # in case client disconnected
    except socket.error:
        print "Connection was lost."

    client_socket.close()
    server_socket.close()

if __name__ == '__main__':
     main()

客户端：

import socket


def main():

while True:
    my_socket = socket.socket()
    my_socket.connect(('127.0.0.1', 8820))
    my_socket.send(raw_input())

    content = ''
    while True:
        data = my_socket.recv(1024)
        if not data:
            break
        content += data

        with open ('C:\Users\screennew.jpg', 'wb') as f:
            f.write(content)


    if data == "Disconnected":
        break

my_socket.close()


if __name__ == '__main__':
    main()

非常感谢，我将不胜感激。

将jpg文件从服务器传输到客户端 - python

0 个答案: