# 文件的上传下载客户端普通版(会有粘包的情况出现)
import os
import json
import socket
sk = socket.socket()
sk.connect(('127.0.0.1',8080))
menu = {'1':'upload','2':'download'}
for k,v in menu.items():
print(k,v)
num = input('请输入功能选项>>>')
if num == '1': # 上传
dic = {'opt':menu.get(num),'filename':None,'filesize':None} # filesize 按字节去内容防止超出内容大小报错
abs_path = input('请输入一个绝对路径:')
filename = os.path.basename(abs_path) # 获取要上传的文件名
filesize = os.path.getsize(abs_path) # 获取文件的大小
dic['filename'] = filename
dic['filesize'] = filesize
str_dic = json.dumps(dic) # 把字典序列化
sk.send(str_dic.encode('utf-8'))
with open(abs_path,'rb') as f:
while filesize:
content = f.read(1024)
sk.send(content)
filesize -= len(content)
elif num == '2': # 下载
dic = {'opt':menu.get(num),'filename':None,'filesize':None}
abs_path = input('请输入要下载文件的绝对路径:')
filename = os.path.basename(abs_path)
dic['abs_path'] = abs_path
dic['filename'] = filename
str_dic = json.dumps(dic)
sk.send(str_dic.encode('utf-8'))
res_dic = sk.recv(1024).decode('utf-8')
result = json.loads(res_dic)
with open(filename,'ab') as f:
while dic['filesize']: # dic['filename'] = 0时停止循环
content = sk.recv(1024) # 这里接收到的是字节
f.write(content)
dic['filesize '] -= len(content)
# 文件的上传下载服务器端普通版(会有粘包的情况出现)
import os
import socket
import json
sk = socket.socket()
sk.bind(('127.0.0.1',8080))
sk.listen()
conn,addr = sk.accept()
str_dic = conn.recv(1024).decode('utf-8')
dic = json.loads(str_dic) # 反序列化
if dic['opt'] == 'upload': # 上传
filename = '王' + dic['filename']
with open(filename,'ab') as f:
while dic['filesize']: # dic['filename'] = 0时停止循环
content = conn.recv(1024)
f.write(content)
dic['filesize'] -= len(content)
if dic['opt'] == 'download': # 下载
abs_path = dic['abs_path']
filesize = os.path.getsize(abs_path)
dic['filesize'] = filesize
str_dic = json.dumps(dic)
conn.send(str_dic.encode('utf-8'))
with open(abs_path,'rb') as f:
while filesize:
content = f.read(1024)
conn.send(content)
filesize -= len(content)
# 文件的上传下载客户端优化版(不会有粘包的情况出现)
import os
import json
import socket
import struct
sk = socket.socket()
sk.connect(('127.0.0.1',8080))
menu = {'1':'upload','2':'download'}
for k,v in menu.items():
print(k,v)
num = input('请输入功能选项>>>')
if num == '1': # 上传
dic = {'opt':menu.get(num),'filename':None,'filesize':None} # filesize 按字节去内容防止超出内容大小报错
abs_path = input('请输入一个绝对路径:')
filename = os.path.basename(abs_path) # 获取要上传的文件名
filesize = os.path.getsize(abs_path) # 获取文件的大小
dic['filename'] = filename
dic['filesize'] = filesize
str_dic = json.dumps(dic) # 把字典序列化
len_dic = len(str_dic)
b_len_dic = struct.pack('i',len_dic) # 用struck将报头长度这个数字转成固定长度:4个字节
sk.send(b_len_dic + str_dic.encode('utf-8'))
with open(abs_path,'rb') as f:
while filesize:
content = f.read(1024)
sk.send(content)
filesize -= len(content)
elif num == '2': # 下载
dic = {'opt':menu.get(num),'filename':None,'filesize':None}
abs_path = input('请输入要下载文件的绝对路径:')
filename = os.path.basename(abs_path)
dic['abs_path'] = abs_path
dic['filename'] = filename
str_dic = json.dumps(dic)
sk.send(str_dic.encode('utf-8'))
res_dic = sk.recv(1024).decode('utf-8')
result = json.loads(res_dic)
with open(filename,'ab') as f:
while dic['filesize']: # dic['filename'] = 0时停止循环
content = sk.recv(1024)
f.write(content)
dic['filesize '] -= len(content)
# 文件的上传下载服务器端优化版(不会有粘包的情况出现)
import os
import socket
import json
import struct
sk = socket.socket()
sk.bind(('127.0.0.1',8080))
sk.listen()
conn,addr = sk.accept()
b_len_dic = conn.recv(4) # 接收4个字节正好是字典的长度
len_dic = struct.unpack('i',b_len_dic)[0] # 解决粘包的办法
str_dic = conn.recv(len_dic).decode('utf-8')
dic = json.loads(str_dic) # 反序列化
if dic['opt'] == 'upload': # 上传
filename = '王' + dic['filename']
with open(filename,'ab') as f:
while dic['filesize']: # dic['filename'] = 0时停止循环
content = conn.recv(1024)
f.write(content) # 以字节的形式写进去
dic['filesize'] -= len(content)
if dic['opt'] == 'download': # 下载
abs_path = dic['abs_path']
filesize = os.path.getsize(abs_path)
dic['filesize'] = filesize #
str_dic = json.dumps(dic)
conn.send(str_dic.encode('utf-8'))
with open(abs_path,'rb') as f:
while filesize:
content = f.read(1024)
conn.send(content)
filesize -= len(content)