CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutSign UpSign In
jackfrued

CoCalc provides the best real-time collaborative environment for Jupyter Notebooks, LaTeX documents, and SageMath, scalable from individual users to large groups and classes!

GitHub Repository: jackfrued/Python-100-Days
 Path: blob/master/Day01-15/code/Day14/fileserver.py
Views: 729
1
from socket import socket, SOCK_STREAM, AF_INET

2
from base64 import b64encode

3
from json import dumps

4
from threading import Thread

5


6


7
def main():

8


9
    # 自定义线程类

10
    class FileTransferHandler(Thread):

11


12
        def __init__(self, cclient):

13
            super().__init__()

14
            self.cclient = cclient

15


16
        def run(self):

17
            my_dict = {}

18
            my_dict['filename'] = 'guido.jpg'

19
            # JSON是纯文本不能携带二进制数据

20
            # 所以图片的二进制数据要处理成base64编码

21
            my_dict['filedata'] = data

22
            # 通过dumps函数将字典处理成JSON字符串

23
            json_str = dumps(my_dict)

24
            # 发送JSON字符串

25
            self.cclient.send(json_str.encode('utf-8'))

26
            self.cclient.close()

27


28
    # 1.创建套接字对象并指定使用哪种传输服务

29
    server = socket()

30
    # 2.绑定IP地址和端口(区分不同的服务)

31
    server.bind(('192.168.1.2', 5566))

32
    # 3.开启监听 - 监听客户端连接到服务器

33
    server.listen(512)

34
    print('服务器启动开始监听...')

35
    with open('guido.jpg', 'rb') as f:

36
        # 将二进制数据处理成base64再解码成字符串

37
        data = b64encode(f.read()).decode('utf-8')

38
    while True:

39
        client, addr = server.accept()

40
        # 用一个字典(键值对)来保存要发送的各种数据

41
        # 待会可以将字典处理成JSON格式在网络上传递

42
        FileTransferHandler(client).start()

43


44


45
if __name__ == '__main__':

46
    main()

47


48