socket 套接字伺服器端和客戶端傳送資訊

這是以前剛開始接觸python的時候寫的。記錄一下

伺服器端

import socket

import threading
host=
''port=
6889
defcilenthred
(conn,addr)
:print
("成功接受客戶端{}的連線：{}"
.format
(addr[0]
,str
(addr[1]
)))#伺服器向客戶端傳送資訊說明已經連線成功
msg=
'你已經成功連線到伺服器'
conn.sendall(
bytes
(msg,encoding=
"utf-8"))
while
true
:        data=conn.recv(
1024
)print
("伺服器接受到的資料為{}"
.format
(str
(data,encoding=
"utf-8"))
)        message=
'server>>{}'
.format
(str
(data,encoding=
"utf-8"))
conn.sendall(
bytes
(message,encoding=
"utf-8"))
chioce =
str(conn.recv(
1024
),encoding=
"utf-8"
)if chioce==
"exit"
:            conn.close(
)break
else
:pass
try:
s=socket.socket(socket.af_inet,socket.sock_stream)
#繫結ip位址和埠號
s.bind(
(host,port)
)print
('成功繫結了ip位址，埠號為{}'
.format
(port)
)#伺服器建立監聽
s.listen(10)
print
("建立監聽模式"
)while
true
:#成功接收客戶端的連線，兵返回連線物件和位址
conn,addr=s.accept(
)        t=threading.thread(target=cilenthred,args=
(conn,addr)
)        t.start(
)except socket.error as msg:
print
("socket出現錯誤，錯誤為{}"
.format
(msg)
)finally
:    s.close(
)

import socket

import sys
host=
"localhost"
port=
6889
try:
s=socket.socket(socket.af_inet,socket.sock_stream)
print
('成功建立socket物件'
)    s.connect(
(host,port)
)print
("成功連線到伺服器端"
)    reply=
str(s.recv(
1024
),encoding=
"utf-8"
)print
("成功接受到伺服器返回的內容：{}"
.format
(reply)
)while
true
:        message=
input
("請輸入要傳送到伺服器的資訊》"
)        s.sendall(
bytes
(message,encoding=
"utf-8"))
print
("向伺服器傳送請求成功"
)        reply1=
str(s.recv(
1024
),encoding=
"utf-8"
)print
("成功接受到伺服器返回的內容{}"
.format
(reply1)
)        chioce=
input
("是否繼續輸入？（y/n）"
)if chioce.lower()==
"y":
s.sendall(
bytes
("ok"
,encoding=
"utf-8"))
pass
else
:            s.sendall(
bytes
("exit"
,encoding=
"utf-8"))
print
("輸入結束"
)break
except socket.error as msg:
print
("建立socket錯誤，錯誤為"
.format
(msg)
)    sys.exit(-1
)finally
:    s.close(
)

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