python實現(xiàn)TCP文件接收發(fā)送

# 由客戶端向服務(wù)器傳數(shù)據(jù)，文件

import socket
import tqdm
import os


def send(filename):
    # 傳輸數(shù)據(jù)間隔符
    SEPARATOR = 'SEPARATOR>'
    # 服務(wù)器信息
    host = '127.0.0.1'
    port =1234
    # 文件緩沖區(qū)
    Buffersize = 4096*10
    # 傳輸文件名字
    filename = filename
    # 文件大小
    file_size  = os.path.getsize(filename)
    # 創(chuàng)建socket鏈接
    s = socket.socket()
    print(f'服務(wù)器連接中{host}:{port}')
    s.connect((host, port))
    print('與服務(wù)器連接成功')

    # 發(fā)送文件名字和文件大小，必須進(jìn)行編碼處理
    s.send(f'{filename}{SEPARATOR}{file_size}'.encode())

    # 文件傳輸
    progress = tqdm.tqdm(range(file_size), f'發(fā)送{filename}', unit='B', unit_divisor=1024)

    with open(filename,'rb') as f :
        # 讀取文件
        for _ in progress:
            bytes_read = f.read(Buffersize)
            if not bytes_read:
                break
            # sendall 確保網(wǎng)絡(luò)忙碌的時候，數(shù)據(jù)仍然可以傳輸
            s.sendall(bytes_read)
            progress.update(len(bytes_read))
    # 關(guān)閉資源
    s.close()

if __name__ == '__main__':
    filename = input('請輸入文件名：')
    send(filename)

import socket
import tqdm
import os
import threading

def received():
    # 設(shè)置服務(wù)器的ip和 port
    # 服務(wù)器信息
    sever_host = '127.0.0.1'
    sever_port =1234
    # 傳輸數(shù)據(jù)間隔符
    SEPARATOR = 'SEPARATOR>'

    # 文件緩沖區(qū)
    Buffersize = 4096*10
    s = socket.socket()
    s.bind((sever_host, sever_port))

    # 設(shè)置監(jiān)聽數(shù)
    s.listen(128)
    print(f'服務(wù)器監(jiān)聽{sever_host}:{sever_port}')

    # 接收客戶端連接
    client_socket, address = s.accept()
    # 打印客戶端ip
    print(f'客戶端{(lán)address}連接')

    # 接收客戶端信息
    received = client_socket.recv(Buffersize).decode()
    filename ,file_size = received.split(SEPARATOR)
    # 獲取文件的名字,大小
    filename = os.path.basename(filename)
    file_size = int(file_size)

    # 文件接收處理
    progress = tqdm.tqdm(range(file_size), f'接收{(diào)filename}', unit='B', unit_divisor=1024, unit_scale=True)


    with open('8_18_'+filename,'wb') as f:
        for _ in progress:

            # 從客戶端讀取數(shù)據(jù)
            bytes_read = client_socket.recv(Buffersize)
            # 如果沒有數(shù)據(jù)傳輸內(nèi)容
            if not bytes_read:
                break
            # 讀取寫入
            f.write(bytes_read)
            # 更新進(jìn)度條
            progress.update(len(bytes_read))

    # 關(guān)閉資源
    client_socket.close()
    s.close()

if __name__ == '__main__':
    received()