socket补充

#练习
'''
#.py
import socket
soc = socket.socket()#创建socket对象
soc.bind(("",6666))#绑定ip和端口号
soc.listen()#开始监听

print("开始等待连接")
conn,addr = soc.accept() #等待连接
print("连接成功")
rev = conn.recv(100)#接收数据
conn.send(b"how old are you")
print(rev)
'''

'''
import socket
soc = socket.socket()
soc.bind(("",6666))
soc.listen()

while True:
    print("开始等待连接")
    conn,addr = soc.accept()
    print("连接成功")

    while True:
        rev = conn.recv(100)
        if rev == b"":
            break
        print("客户端说：",rev)
        s = input("请输入>>>")
        conn.send(s.encode("utf-8"))
    conn.close()
'''

import socket
soc = socket.socket()
soc.bind(("",6666))
soc.listen()

while True:
    print("开始等待连接")
    conn,addr = soc.accept()
    print("连接成功")

    while True:
        rev1 = conn.recv(4)
        rev2 = conn.recv(4)
        rev3 = conn.recv(4)
        #rev_1 = conn.recv(4)
        #if rev == b"":
        if rev1 == b"":
            break
        #print("客户端说：",rev,rev_1)
        print("客户端说：",rev1)
        print("客户端说：",rev2)
        print("客户端说：",rev3)
        s = input("请输入>>>")
        conn.send(s.encode("utf-8"))
    conn.close()

#.client
#练习
'''
import socket
client = socket.socket()
client.connect(("localhost",6666))

client.send(b'how are you')
data = client.recv(100)
print(data)
client.close()
'''

'''
import socket
client = socket.socket()
client.connect(("localhost",6666))

while True:
    s = input("请输入>>>")
    client.send(s.encode("utf-8"))
    data = client.recv(100)
    print("服务器说：",data)
    if data == b"byebye":
        break
client.close()
'''

import socket
client = socket.socket()
client.connect(("localhost",6666))

while True:
    s = input("请输入>>>")
    c = len(s) // 3
    client.send(s[:c].encode("utf-8"))
    client.send(s[c:c*2].encode("utf-8"))
    client.send(s[c*2:].encode("utf-8"))
    data = client.recv(100)
    print("服务器说：",data)
    if data == b"byebye":
        break
client.close()