实现一个简单的ftp文件上传功能

# 接收端
# 服务端
import json
import socket
import struct

sk = socket.socket()
sk.bind(('127.0.0.1', 8080))
sk.listen()
conn, addr = sk.accept()
buffer = 1024
head_len = conn.recv(4)
head_len = struct.unpack('i', head_len)
header = conn.recv(head_len[0]).decode('utf-8')
header = json.loads(header)
filesize = header['filesize']
with open(header['filename'],'wb') as f:
    while header['filesize']:
        if header['filesize'] >= buffer:
            conent = conn.recv(buffer)
            f.write(conent)
            header['filesize'] -= buffer
            print(header['filesize'])
        else:
            conent = conn.recv(header['filesize'])
            f.write(conent)
            break

# 上传端
# 客户端
import json
import os
import socket
import struct
sk = socket.socket()
sk.connect(('127.0.0.1', 8080))
buffer = 1024
header = {'filepath': r'E:\文档\工作\需求视频\IWB业务视频\IWB业务视频', 'filename': r'01_IDEC_DDEC文件导入.mp4', 'filesize': None}
file_path = os.path.join(header['filepath'], header['filename'])
header['filesize'] = os.path.getsize(file_path)
header_json = json.dumps(header)
# 先计算header报头的长度
# 发送header报头的长度，把数字转换成固定长度的bytes
sk.send(struct.pack('i', len(header_json.encode('utf-8'))))
# 再发送header报头
sk.send(header_json.encode('utf-8'))
# 再发送报文内容
with open(file_path,'rb') as f:
    while header['filesize']:
        if header['filesize'] >= buffer:
            content = f.read(buffer)
            sk.send(content)
            header['filesize'] -= buffer
            print(header['filesize'])
        else:
            content = f.read(header['filesize'])
            break

标签：ftp,文件,buffer,sk,header,json,filesize,import,上传
来源： https://www.cnblogs.com/leev1-01/p/16470730.html