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  • python全栈开发 * 33 知识点汇总 * 180718

    33 udp协议编码  显示客户端名字,输出带颜色的内容 udp协议的时间同步机制  
    #一.udp 协议编码 一个服务器,多个客户端
    #服务器:
    # import socket
    # sk=socket.socket(type=socket.SOCK_DGRAM)
    # sk.bind(("127.0.0.1",8801))
    # while True:
    # msg,addr=sk.recvfrom(1024)
    # print(msg.decode("utf-8"),addr)
    # msg1=msg.decode("utf-8")
    # if msg1=="q":
    # continue
    # con=input("<<<").encode("utf-8")
    # sk.sendto(con,addr)
    # if con =="q":
    # break
    # sk.close()
    #客户端
    # import socket
    # sk=socket.socket(type=socket.SOCK_DGRAM)
    # while True:
    # con1=input("<<<").encode("utf-8")
    # sk.sendto(con1,("127.0.0.1",8801))
    # if con1=="q":
    # break
    # msg_c,addr=sk.recvfrom(1024)
    # print(msg_c.decode("utf-8"))
    # msg2=msg_c.decode("utf-8")
    # if msg2=="q":
    # break
    # sk.close()


    # 二.优化代码显示客户端名字
    #服务器
    # import socket
    # sk=socket.socket(type=socket.SOCK_DGRAM)
    # sk.bind(("127.0.0.1",8801))
    # while True:
    # msg,addr=sk.recvfrom(1024)
    # print(msg.decode("utf-8"),addr)
    # msg1=msg.decode("utf-8")
    # if msg1=="q":
    # continue
    # con=input("<<<").encode("utf-8")
    # sk.sendto(con,addr)
    # if con =="q":
    # break
    # sk.close()
    #客户端
    # import socket
    # sk=socket.socket(type=socket.SOCK_DGRAM)
    # name=input("请输入名字:")
    # while True:
    # con1=input("<<<")
    # con1=name+":"+con1
    # sk.sendto(con1.encode("utf-8"),("127.0.0.1",8801))
    # if con1=="q":
    # break
    # msg_c,addr=sk.recvfrom(1024)
    # print(msg_c.decode("utf-8"))
    # msg2=msg_c.decode("utf-8")
    # if msg2=="q":
    # break
    # sk.close()


    #三.输出带颜色的字(一个客户端)
    #服务器:
    # import socket
    # sk=socket.socket(type=socket.SOCK_DGRAM)
    # sk.bind(("127.0.0.1",8801))
    # while True:
    # msg,addr=sk.recvfrom(1024)
    # msg_c=msg.decode("utf-8")
    # print("33[0;35;41m%s,%s33[0m"%(msg_c,addr))
    #
    # if msg_c=="q":
    # continue
    # con=input("<<<").encode("utf-8")
    # sk.sendto(con,addr)
    # if con =="q":
    # break
    # sk.close()

    #四.输出带颜色的文字( 一个服务器 多个客户端)
    #服务器
    # import socket
    # sk=socket.socket(type=socket.SOCK_DGRAM)
    # sk.bind(("127.0.0.1",8801))
    # dic={"alex":"33[0;35;41m","太白":"33[0;32;40m"}
    # while True:
    # msg,addr=sk.recvfrom(1024)
    # msg_c=msg.decode("utf-8")
    # name=msg_c.split(":")[0].strip()
    # print(name)
    # color=dic.get(name,"")
    # print("%s%s33[0m" % (color,msg_c))
    #
    # if msg_c=="q":
    # continue
    # con=input("<<<").encode("utf-8")
    # sk.sendto(con,addr)
    # if con =="q":
    # break
    # sk.close()

    #五.基于udp协议的时间同步机制
    #服务器
    # import socket
    # import time
    # sk=socket.socket(type=socket.SOCK_DGRAM)
    # sk.bind(("127.0.0.1",8801))
    # while 1:
    # tm_format,addr=sk.recvfrom(1024)
    # tm_format=tm_format.decode("utf-8")
    # local_time=time.strftime(tm_format)
    # sk.sendto(local_time.encode("utf_8"),addr)
    # sk.close()
    #客户端
    # import socket
    # import time
    # sk=socket.socket(type=socket.SOCK_DGRAM)
    # tm_format=input(">>>")
    # while 1:
    # sk.sendto(tm_format.encode("utf-8"),("127.0.0.1",8801))
    # local_time,addr=sk.recvfrom(1024)
    # print(local_time.decode("utf-8"))
    # time.sleep(5) #五秒出一个
    # sk.close()
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  • 原文地址:https://www.cnblogs.com/J-7-H-2-F-7/p/9332294.html
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