简单的文件ftp上传

server

import socketimport structservice=socket.socket()service.bind(('127.0.0.1',8081))while True:    service.listen(5)    conn,address=service.accept()    print('有客户端连接进来了,地址如下',address)    #获取头的内容    dic_len_byte=conn.recv(4)    print(dic_len_byte)    dic_len=struct.unpack('i',dic_len_byte)[0]    print(dic_len)    dic_head=eval(conn.recv(dic_len))    data=conn.recv(dic_head['size'])    data_name=dic_head['name']    # print(data.decode('utf8'))    with open(data_name,'wb') as fw:        fw.write(data)

client

import socketimport structclient=socket.socket()client.connect(('127.0.0.1', 8081))import osimport jsonprint(os.path.getsize('test.py'))data_head={'size':os.path.getsize('test.py'),'name':'test_new.py'}data_head_s=json.dumps(data_head)data_head_bytes=data_head_s.encode('utf8')print(data_head_bytes)#把头的长度以长度为4的字节发送过去head_len_bytes=struct.pack('i',len(data_head_bytes))client.send(head_len_bytes)client.send(data_head_bytes)with open('test.py','rb') as fr:    data=fr.read()client.send(data)

测试文件

import jsonss={'name':'ypp','age':False}data=json.dumps(ss) #转json字典为字符串（json格式）print(data)print(type(data))data1=json.loads(data)#字符串的json格式的字典  转为字典print(data1)print(type(data1))sss=b'kkk\n\nkk'print(str(sss.decode('utf8')))

转载于:https://www.cnblogs.com/demiao/p/11492248.html

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