python中使用socket编程，如何能够通过UDP传递一个列表类型的数据？ python socket udp编程的小问题
python udp\u53d1\u9001\u6570\u636e\u7684\u95ee\u9898\u4e00\u4e2a\u7b80\u5355\u7684python socket\u7f16\u7a0b
\u4e00\u3001\u5957\u63a5\u5b57
\u5957\u63a5\u5b57\u662f\u4e3a\u7279\u5b9a\u7f51\u7edc\u534f\u8bae\uff08\u4f8b\u5982TCP/IP\uff0cICMP/IP\uff0cUDP/IP\u7b49\uff09\u5957\u4ef6\u5bf9\u4e0a\u7684\u7f51\u7edc\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u8005\u63d0\u4f9b\u5f53\u524d\u53ef\u79fb\u690d\u6807\u51c6\u7684\u5bf9\u8c61\u3002\u5b83\u4eec\u5141\u8bb8\u7a0b\u5e8f\u63a5\u53d7\u5e76\u8fdb\u884c\u8fde\u63a5\uff0c\u5982\u53d1\u9001\u548c\u63a5\u53d7\u6570\u636e\u3002\u4e3a\u4e86\u5efa\u7acb\u901a\u4fe1\u901a\u9053\uff0c\u7f51\u7edc\u901a\u4fe1\u7684\u6bcf\u4e2a\u7aef\u70b9\u62e5\u6709\u4e00\u4e2a\u5957\u63a5\u5b57\u5bf9\u8c61\u6781\u4e3a\u91cd\u8981\u3002
\u5957\u63a5\u5b57\u4e3aBSD UNIX\u7cfb\u7edf\u6838\u5fc3\u7684\u4e00\u90e8\u5206\uff0c\u800c\u4e14\u4ed6\u4eec\u4e5f\u88ab\u8bb8\u591a\u5176\u4ed6\u7c7b\u4f3cUNIX\u7684\u64cd\u4f5c\u7cfb\u7edf\u5305\u62ecLinux\u6240\u91c7\u7eb3\u3002\u8bb8\u591a\u975eBSD UNIX\u7cfb\u7edf\uff08\u5982ms-dos\uff0cwindows\uff0cos/2\uff0cmac os\u53ca\u5927\u90e8\u5206\u4e3b\u673a\u73af\u5883\uff09\u90fd\u4ee5\u5e93\u5f62\u5f0f\u63d0\u4f9b\u5bf9\u5957\u63a5\u5b57\u7684\u652f\u6301\u3002
\u4e09\u79cd\u6700\u6d41\u884c\u7684\u5957\u63a5\u5b57\u7c7b\u578b\u662f:stream,datagram\u548craw\u3002stream\u548cdatagram\u5957\u63a5\u5b57\u53ef\u4ee5\u76f4\u63a5\u4e0eTCP\u534f\u8bae\u8fdb\u884c\u63a5\u53e3\uff0c\u800craw\u5957\u63a5\u5b57\u5219\u63a5\u53e3\u5230IP\u534f\u8bae\u3002\u4f46\u5957\u63a5\u5b57\u5e76\u4e0d\u9650\u4e8eTCP/IP\u3002
\u4e8c\u3001\u5957\u63a5\u5b57\u6a21\u5757
\u5957\u63a5\u5b57\u6a21\u5757\u662f\u4e00\u4e2a\u975e\u5e38\u7b80\u5355\u7684\u57fa\u4e8e\u5bf9\u8c61\u7684\u63a5\u53e3\uff0c\u5b83\u63d0\u4f9b\u5bf9\u4f4e\u5c42BSD\u5957\u63a5\u5b57\u6837\u5f0f\u7f51\u7edc\u7684\u8bbf\u95ee\u3002\u4f7f\u7528\u8be5\u6a21\u5757\u53ef\u4ee5\u5b9e\u73b0\u5ba2\u6237\u673a\u548c\u670d\u52a1\u5668\u5957\u63a5\u5b57\u3002\u8981\u5728python \u4e2d\u5efa\u7acb\u5177\u6709TCP\u548c\u6d41\u5957\u63a5\u5b57\u7684\u7b80\u5355\u670d\u52a1\u5668\uff0c\u9700\u8981\u4f7f\u7528socket\u6a21\u5757\u3002\u5229\u7528\u8be5\u6a21\u5757\u5305\u542b\u7684\u51fd\u6570\u548c\u7c7b\u5b9a\u4e49\uff0c\u53ef\u751f\u6210\u901a\u8fc7\u7f51\u7edc\u901a\u4fe1\u7684\u7a0b\u5e8f\u3002\u4e00\u822c\u6765\u8bf4\uff0c\u5efa\u7acb\u670d\u52a1\u5668\u8fde\u63a5\u9700\u8981\u516d\u4e2a\u6b65\u9aa4\u3002
\u7b2c1\u6b65\u662f\u521b\u5efasocket\u5bf9\u8c61\u3002\u8c03\u7528socket\u6784\u9020\u51fd\u6570\u3002
socket=socket.socket(familly,type)
family\u7684\u503c\u53ef\u4ee5\u662fAF_UNIX(Unix\u57df\uff0c\u7528\u4e8e\u540c\u4e00\u53f0\u673a\u5668\u4e0a\u7684\u8fdb\u7a0b\u95f4\u901a\u8baf)\uff0c\u4e5f\u53ef\u4ee5\u662fAF_INET\uff08\u5bf9\u4e8eIPV4\u534f\u8bae\u7684TCP\u548c UDP\uff09\uff0c\u81f3\u4e8etype\u53c2\u6570\uff0cSOCK_STREAM\uff08\u6d41\u5957\u63a5\u5b57\uff09\u6216\u8005 SOCK_DGRAM\uff08\u6570\u636e\u62a5\u6587\u5957\u63a5\u5b57\uff09,SOCK_RAW\uff08raw\u5957\u63a5\u5b57\uff09\u3002
\u7b2c2\u6b65\u5219\u662f\u5c06socket\u7ed1\u5b9a\uff08\u6307\u6d3e\uff09\u5230\u6307\u5b9a\u5730\u5740\u4e0a\uff0csocket.bind(address)
address\u5fc5\u987b\u662f\u4e00\u4e2a\u53cc\u5143\u7d20\u5143\u7ec4,((host,port)),\u4e3b\u673a\u540d\u6216\u8005ip\u5730\u5740+\u7aef\u53e3\u53f7\u3002\u5982\u679c\u7aef\u53e3\u53f7\u6b63\u5728\u88ab\u4f7f\u7528\u6216\u8005\u4fdd\u7559\uff0c\u6216\u8005\u4e3b\u673a\u540d\u6216ip\u5730\u5740\u9519\u8bef\uff0c\u5219\u5f15\u53d1socke.error\u5f02\u5e38\u3002
\u7b2c3\u6b65\uff0c\u7ed1\u5b9a\u540e\uff0c\u5fc5\u987b\u51c6\u5907\u597d\u5957\u63a5\u5b57\uff0c\u4ee5\u4fbf\u63a5\u53d7\u8fde\u63a5\u8bf7\u6c42\u3002
socket.listen(backlog)
backlog\u6307\u5b9a\u4e86\u6700\u591a\u8fde\u63a5\u6570\uff0c\u81f3\u5c11\u4e3a1\uff0c\u63a5\u5230\u8fde\u63a5\u8bf7\u6c42\u540e\uff0c\u8fd9\u4e9b\u8bf7\u6c42\u5fc5\u987b\u6392\u961f\uff0c\u5982\u679c\u961f\u5217\u5df2\u6ee1\uff0c\u5219\u62d2\u7edd\u8bf7\u6c42\u3002
\u7b2c4\u6b65\uff0c\u670d\u52a1\u5668\u5957\u63a5\u5b57\u901a\u8fc7socket\u7684accept\u65b9\u6cd5\u7b49\u5f85\u5ba2\u6237\u8bf7\u6c42\u4e00\u4e2a\u8fde\u63a5\uff1a
connection,address=socket.accept()
\u8c03\u7528accept\u65b9\u6cd5\u65f6\uff0csocket\u4f1a\u8fdb\u5165'waiting'\uff08\u6216\u963b\u585e\uff09\u72b6\u6001\u3002\u5ba2\u6237\u8bf7\u6c42\u8fde\u63a5\u65f6\uff0c\u65b9\u6cd5\u5efa\u7acb\u8fde\u63a5\u5e76\u8fd4\u56de\u670d\u52a1\u5668\u3002accept\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u542b\u6709\u4fe9\u4e2a\u5143\u7d20\u7684\u5143\u7ec4\uff0c\u5f62\u5982(connection,address)\u3002\u7b2c\u4e00\u4e2a\u5143\u7d20\uff08connection\uff09\u662f\u65b0\u7684socket\u5bf9\u8c61\uff0c\u670d\u52a1\u5668\u901a\u8fc7\u5b83\u4e0e\u5ba2\u6237\u901a\u4fe1\uff1b\u7b2c\u4e8c\u4e2a\u5143\u7d20\uff08address\uff09\u662f\u5ba2\u6237\u7684internet\u5730\u5740\u3002
\u7b2c5\u6b65\u662f\u5904\u7406\u9636\u6bb5\uff0c\u670d\u52a1\u5668\u548c\u5ba2\u6237\u901a\u8fc7send\u548crecv\u65b9\u6cd5\u901a\u4fe1\uff08\u4f20\u8f93\u6570\u636e\uff09\u3002\u670d\u52a1\u5668\u8c03\u7528send\uff0c\u5e76\u91c7\u7528\u5b57\u7b26\u4e32\u5f62\u5f0f\u5411\u5ba2\u6237\u53d1\u9001\u4fe1\u606f\u3002send\u65b9\u6cd5\u8fd4\u56de\u5df2\u53d1\u9001\u7684\u5b57\u7b26\u4e2a\u6570\u3002\u670d\u52a1\u5668\u4f7f\u7528recv\u65b9\u6cd5\u4ece\u5ba2\u6237\u63a5\u53d7\u4fe1\u606f\u3002\u8c03\u7528recv\u65f6\uff0c\u5fc5\u987b\u6307\u5b9a\u4e00\u4e2a\u6574\u6570\u6765\u63a7\u5236\u672c\u6b21\u8c03\u7528\u6240\u63a5\u53d7\u7684\u6700\u5927\u6570\u636e\u91cf\u3002recv\u65b9\u6cd5\u5728\u63a5\u53d7\u6570\u636e\u65f6\u4f1a\u8fdb\u5165'blocket'\u72b6\u6001\uff0c\u6700\u540e\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u7528\u5b83\u6765\u8868\u793a\u6536\u5230\u7684\u6570\u636e\u3002\u5982\u679c\u53d1\u9001\u7684\u91cf\u8d85\u8fc7recv\u6240\u5141\u8bb8\uff0c\u6570\u636e\u4f1a\u88ab\u622a\u65ad\u3002\u591a\u4f59\u7684\u6570\u636e\u5c06\u7f13\u51b2\u4e8e\u63a5\u53d7\u7aef\u3002\u4ee5\u540e\u8c03\u7528recv\u65f6\uff0c\u591a\u4f59\u7684\u6570\u636e\u4f1a\u4ece\u7f13\u51b2\u533a\u5220\u9664\u3002
\u7b2c6\u6b65\uff0c\u4f20\u8f93\u7ed3\u675f\uff0c\u670d\u52a1\u5668\u8c03\u7528socket\u7684close\u65b9\u6cd5\u4ee5\u5173\u95ed\u8fde\u63a5\u3002
\u5efa\u7acb\u4e00\u4e2a\u7b80\u5355\u5ba2\u6237\u8fde\u63a5\u5219\u9700\u89814\u4e2a\u6b65\u9aa4\u3002
\u7b2c1\u6b65\uff0c\u521b\u5efa\u4e00\u4e2asocket\u4ee5\u8fde\u63a5\u670d\u52a1\u5668 socket=socket.socket(family,type)
\u7b2c2\u6b65\uff0c\u4f7f\u7528socket\u7684connect\u65b9\u6cd5\u8fde\u63a5\u670d\u52a1\u5668 socket.connect((host,port))
\u7b2c3\u6b65\uff0c\u5ba2\u6237\u548c\u670d\u52a1\u5668\u901a\u8fc7send\u548crecv\u65b9\u6cd5\u901a\u4fe1\u3002
\u7b2c4\u6b65\uff0c\u7ed3\u675f\u540e\uff0c\u5ba2\u6237\u901a\u8fc7\u8c03\u7528socket\u7684close\u65b9\u6cd5\u6765\u5173\u95ed\u8fde\u63a5\u3002
python \u7f16\u5199server\u7684\u6b65\u9aa4\uff1a
\u7b2c\u4e00\u6b65\u662f\u521b\u5efasocket\u5bf9\u8c61\u3002\u8c03\u7528socket\u6784\u9020\u51fd\u6570\u3002\u5982\uff1a
socket = socket.socket( family, type )
family\u53c2\u6570\u4ee3\u8868\u5730\u5740\u5bb6\u65cf\uff0c\u53ef\u4e3aAF_INET\u6216AF_UNIX\u3002AF_INET\u5bb6\u65cf\u5305\u62ecInternet\u5730\u5740\uff0cAF_UNIX\u5bb6\u65cf\u7528\u4e8e\u540c\u4e00\u53f0\u673a\u5668\u4e0a\u7684\u8fdb\u7a0b\u95f4\u901a\u4fe1\u3002
type\u53c2\u6570\u4ee3\u8868\u5957\u63a5\u5b57\u7c7b\u578b\uff0c\u53ef\u4e3aSOCK_STREAM(\u6d41\u5957\u63a5\u5b57)\u548cSOCK_DGRAM(\u6570\u636e\u62a5\u5957\u63a5\u5b57)\u3002
\u7b2c\u4e8c\u6b65\u662f\u5c06socket\u7ed1\u5b9a\u5230\u6307\u5b9a\u5730\u5740\u3002\u8fd9\u662f\u901a\u8fc7socket\u5bf9\u8c61\u7684bind\u65b9\u6cd5\u6765\u5b9e\u73b0\u7684\uff1a
socket.bind( address )
\u7531AF_INET\u6240\u521b\u5efa\u7684\u5957\u63a5\u5b57\uff0caddress\u5730\u5740\u5fc5\u987b\u662f\u4e00\u4e2a\u53cc\u5143\u7d20\u5143\u7ec4\uff0c\u683c\u5f0f\u662f(host,port)\u3002host\u4ee3\u8868\u4e3b\u673a\uff0cport\u4ee3\u8868\u7aef\u53e3\u53f7\u3002\u5982\u679c\u7aef\u53e3\u53f7\u6b63\u5728\u4f7f\u7528\u3001\u4e3b\u673a\u540d\u4e0d\u6b63\u786e\u6216\u7aef\u53e3\u5df2\u88ab\u4fdd\u7559\uff0cbind\u65b9\u6cd5\u5c06\u5f15\u53d1socket.error\u5f02\u5e38\u3002
\u7b2c\u4e09\u6b65\u662f\u4f7f\u7528socket\u5957\u63a5\u5b57\u7684listen\u65b9\u6cd5\u63a5\u6536\u8fde\u63a5\u8bf7\u6c42\u3002
socket.listen( backlog )
backlog\u6307\u5b9a\u6700\u591a\u5141\u8bb8\u591a\u5c11\u4e2a\u5ba2\u6237\u8fde\u63a5\u5230\u670d\u52a1\u5668\u3002\u5b83\u7684\u503c\u81f3\u5c11\u4e3a1\u3002\u6536\u5230\u8fde\u63a5\u8bf7\u6c42\u540e\uff0c\u8fd9\u4e9b\u8bf7\u6c42\u9700\u8981\u6392\u961f\uff0c\u5982\u679c\u961f\u5217\u6ee1\uff0c\u5c31\u62d2\u7edd\u8bf7\u6c42\u3002
\u7b2c\u56db\u6b65\u662f\u670d\u52a1\u5668\u5957\u63a5\u5b57\u901a\u8fc7socket\u7684accept\u65b9\u6cd5\u7b49\u5f85\u5ba2\u6237\u8bf7\u6c42\u4e00\u4e2a\u8fde\u63a5\u3002
connection, address = socket.accept()
\u8c03\u7528accept\u65b9\u6cd5\u65f6\uff0csocket\u4f1a\u65f6\u5165\u201cwaiting\u201d\u72b6\u6001\u3002\u5ba2\u6237\u8bf7\u6c42\u8fde\u63a5\u65f6\uff0c\u65b9\u6cd5\u5efa\u7acb\u8fde\u63a5\u5e76\u8fd4\u56de\u670d\u52a1\u5668\u3002accept\u65b9\u6cd5\u8fd4\u56de\u4e00\u4e2a\u542b\u6709\u4e24\u4e2a\u5143\u7d20\u7684\u5143\u7ec4(connection,address)\u3002\u7b2c\u4e00\u4e2a\u5143\u7d20connection\u662f\u65b0\u7684socket\u5bf9\u8c61\uff0c\u670d\u52a1\u5668\u5fc5\u987b\u901a\u8fc7\u5b83\u4e0e\u5ba2\u6237\u901a\u4fe1\uff1b\u7b2c\u4e8c\u4e2a\u5143\u7d20 address\u662f\u5ba2\u6237\u7684Internet\u5730\u5740\u3002
\u7b2c\u4e94\u6b65\u662f\u5904\u7406\u9636\u6bb5\uff0c\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u901a\u8fc7send\u548crecv\u65b9\u6cd5\u901a\u4fe1(\u4f20\u8f93\u6570\u636e)\u3002\u670d\u52a1\u5668\u8c03\u7528send\uff0c\u5e76\u91c7\u7528\u5b57\u7b26\u4e32\u5f62\u5f0f\u5411\u5ba2\u6237\u53d1\u9001\u4fe1\u606f\u3002send\u65b9\u6cd5\u8fd4\u56de\u5df2\u53d1\u9001\u7684\u5b57\u7b26\u4e2a\u6570\u3002\u670d\u52a1\u5668\u4f7f\u7528recv\u65b9\u6cd5\u4ece\u5ba2\u6237\u63a5\u6536\u4fe1\u606f\u3002\u8c03\u7528recv \u65f6\uff0c\u670d\u52a1\u5668\u5fc5\u987b\u6307\u5b9a\u4e00\u4e2a\u6574\u6570\uff0c\u5b83\u5bf9\u5e94\u4e8e\u53ef\u901a\u8fc7\u672c\u6b21\u65b9\u6cd5\u8c03\u7528\u6765\u63a5\u6536\u7684\u6700\u5927\u6570\u636e\u91cf\u3002recv\u65b9\u6cd5\u5728\u63a5\u6536\u6570\u636e\u65f6\u4f1a\u8fdb\u5165\u201cblocked\u201d\u72b6\u6001\uff0c\u6700\u540e\u8fd4\u56de\u4e00\u4e2a\u5b57\u7b26\u4e32\uff0c\u7528\u5b83\u8868\u793a\u6536\u5230\u7684\u6570\u636e\u3002\u5982\u679c\u53d1\u9001\u7684\u6570\u636e\u91cf\u8d85\u8fc7\u4e86recv\u6240\u5141\u8bb8\u7684\uff0c\u6570\u636e\u4f1a\u88ab\u622a\u77ed\u3002\u591a\u4f59\u7684\u6570\u636e\u5c06\u7f13\u51b2\u4e8e\u63a5\u6536\u7aef\u3002\u4ee5\u540e\u8c03\u7528recv\u65f6\uff0c\u591a\u4f59\u7684\u6570\u636e\u4f1a\u4ece\u7f13\u51b2\u533a\u5220\u9664(\u4ee5\u53ca\u81ea\u4e0a\u6b21\u8c03\u7528recv\u4ee5\u6765\uff0c\u5ba2\u6237\u53ef\u80fd\u53d1\u9001\u7684\u5176\u5b83\u4efb\u4f55\u6570\u636e)\u3002
\u4f20\u8f93\u7ed3\u675f\uff0c\u670d\u52a1\u5668\u8c03\u7528socket\u7684close\u65b9\u6cd5\u5173\u95ed\u8fde\u63a5\u3002
python\u7f16\u5199client\u7684\u6b65\u9aa4\uff1a
\u521b\u5efa\u4e00\u4e2asocket\u4ee5\u8fde\u63a5\u670d\u52a1\u5668\uff1asocket = socket.socket( family, type )
\u4f7f\u7528socket\u7684connect\u65b9\u6cd5\u8fde\u63a5\u670d\u52a1\u5668\u3002\u5bf9\u4e8eAF_INET\u5bb6\u65cf,\u8fde\u63a5\u683c\u5f0f\u5982\u4e0b\uff1a
socket.connect( (host,port) )
host\u4ee3\u8868\u670d\u52a1\u5668\u4e3b\u673a\u540d\u6216IP\uff0cport\u4ee3\u8868\u670d\u52a1\u5668\u8fdb\u7a0b\u6240\u7ed1\u5b9a\u7684\u7aef\u53e3\u53f7\u3002\u5982\u8fde\u63a5\u6210\u529f\uff0c\u5ba2\u6237\u5c31\u53ef\u901a\u8fc7\u5957\u63a5\u5b57\u4e0e\u670d\u52a1\u5668\u901a\u4fe1\uff0c\u5982\u679c\u8fde\u63a5\u5931\u8d25\uff0c\u4f1a\u5f15\u53d1socket.error\u5f02\u5e38\u3002
\u5904\u7406\u9636\u6bb5\uff0c\u5ba2\u6237\u548c\u670d\u52a1\u5668\u5c06\u901a\u8fc7send\u65b9\u6cd5\u548crecv\u65b9\u6cd5\u901a\u4fe1\u3002
\u4f20\u8f93\u7ed3\u675f\uff0c\u5ba2\u6237\u901a\u8fc7\u8c03\u7528socket\u7684close\u65b9\u6cd5\u5173\u95ed\u8fde\u63a5\u3002
\u4e0b\u9762\u7ed9\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50\uff1a
server.py
python \u4ee3\u7801
if __name__ == '__main__':
import socket
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.bind(('localhost', 8001))
sock.listen(5)
while True:
connection,address = sock.accept()
try:
connection.settimeout(5)
buf = connection.recv(1024)
if buf == '1':
connection.send('welcome to server!')
else:
connection.send('please go out!')
except socket.timeout:
print 'time out'
connection.close()
client.py
python \u4ee3\u7801
if __name__ == '__main__':
import socket
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect(('localhost', 8001))
import time
time.sleep(2)
sock.send('1')
print sock.recv(1024)
sock.close()
\u5728\u7ec8\u7aef\u8fd0\u884cserver.py\uff0c\u7136\u540e\u8fd0\u884cclien.py\uff0c\u4f1a\u5728\u7ec8\u7aef\u6253\u5370\u201cwelcome to server!"\u3002\u5982\u679c\u66f4\u6539client.py\u7684sock.send('1')\u4e3a\u5176\u5b83\u503c\u5728\u7ec8\u7aef\u4f1a\u6253\u5370\u201dplease go out!\u201c\uff0c\u66f4\u6539time.sleep(2)\u4e3a\u5927\u4e8e5\u7684\u6570\u503c\uff0c \u670d\u52a1\u5668\u5c06\u4f1a\u8d85\u65f6\u3002
\u4e3e\u4f8b\uff1a
\u670d\u52a1\u7aef:
#socket server\u7aef
#\u83b7\u53d6socket\u6784\u9020\u53ca\u5e38\u91cf
from socket import *
#''\u4ee3\u8868\u670d\u52a1\u5668\u4e3alocalhost
myHost = ''
#\u5728\u4e00\u4e2a\u975e\u4fdd\u7559\u7aef\u53e3\u53f7\u4e0a\u8fdb\u884c\u76d1\u542c
myPort = 50007
#\u8bbe\u7f6e\u4e00\u4e2aTCP socket\u5bf9\u8c61
sockobj = socket(AF_INET, SOCK_STREAM)
#\u7ed1\u5b9a\u5b83\u81f3\u7aef\u53e3\u53f7
sockobj.bind((myHost, myPort))
#\u76d1\u542c\uff0c\u5141\u8bb85\u4e2a\u8fde\u7ed3
sockobj.listen(5)
#\u76f4\u5230\u8fdb\u7a0b\u7ed3\u675f\u65f6\u624d\u7ed3\u675f\u5faa\u73af
while True:
#\u7b49\u5f85\u4e0b\u4e00\u4e2a\u5ba2\u6237\u7aef\u8fde\u7ed3
connection, address = sockobj.accept( )
#\u8fde\u7ed3\u662f\u4e00\u4e2a\u65b0\u7684socket
print 'Server connected by', address
while True:
#\u8bfb\u53d6\u5ba2\u6237\u7aef\u5957\u63a5\u5b57\u7684\u4e0b\u4e00\u884c
data = connection.recv(1024)
#\u5982\u679c\u6ca1\u6709\u6570\u91cf\u7684\u8bdd\uff0c\u90a3\u4e48\u8df3\u51fa\u5faa\u73af
if not data: break
#\u53d1\u9001\u4e00\u4e2a\u56de\u590d\u81f3\u5ba2\u6237\u7aef
connection.send('Echo=>' + data)
#\u5f53socket\u5173\u95ed\u65f6eof
connection.close( )
\u5ba2\u6237\u7aef:
import sys
from socket import *
serverHost = 'localhost'
serverPort = 50007
#\u53d1\u9001\u81f3\u670d\u52a1\u7aef\u7684\u9ed8\u8ba4\u6587\u672c
message = ['Hello network world']
#\u5982\u679c\u53c2\u6570\u5927\u4e8e1\u7684\u8bdd\uff0c\u8fde\u7ed3\u7684\u670d\u52a1\u7aef\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570
if len(sys.argv) > 1:
serverHost = sys.argv[1]
#\u5982\u679c\u53c2\u6570\u5927\u4e8e2\u7684\u8bdd\uff0c\u8fde\u7ed3\u7684\u6587\u5b57\u4e3a\u7b2c\u4e8c\u4e2a\u53c2\u6570
if len(sys.argv) > 2:
message = sys.argv[2:]
#\u5efa\u7acb\u4e00\u4e2atcp/ip\u5957\u63a5\u5b57\u5bf9\u8c61
sockobj = socket(AF_INET, SOCK_STREAM)
#\u8fde\u7ed3\u81f3\u670d\u52a1\u5668\u53ca\u7aef\u53e3
sockobj.connect((serverHost, serverPort))
for line in message:
#\u7ecf\u8fc7\u5957\u6309\u5b57\u53d1\u9001line\u81f3\u670d\u52a1\u7aef
sockobj.send(line)
#\u4ece\u670d\u52a1\u7aef\u63a5\u6536\u5230\u7684\u6570\u636e\uff0c\u4e0a\u9650\u4e3a1k
data = sockobj.recv(1024)
#\u786e\u8ba4\u4ed6\u662f\u5f15\u7528\u7684\uff0c\u662f'x'
print 'Client received:', repr(data)
#\u5173\u95ed\u5957\u63a5\u5b57
sockobj.close( )
\u4ece\u9519\u8bef\u4ee3\u7801an integer is required\u6765\u770b\uff0c\u9700\u8981\u63d0\u4f9b\u4e00\u4e2a\u6574\u5f62\u3002
\u8981\u505a\u7684\u662f\u6539\u6210 port0 = 21567\uff0c\u800c\u4e0d\u662f port0 = \u201921567\u2018\u3002
\u5e0c\u671b\u80fd\u5e2e\u5230\u4f60\uff0c\u6709\u7591\u95ee\u8bf7\u8ffd\u95ee\uff01
Python中的 list 或者 dict 都可以转成JSON字符串来发送，接收后再转回来。
首先
import json
然后，把 list 或 dict 转成 JSON
json_string = json.dumps(list_or_dict)
如果你用的是Python3，这里的 json_string 会是 str 类型（即Python2的unicode类型），可能需要编码一下：
if type(json_string) == six.text_type:
json_string = json_string.encode('UTF-8')
用socket发送过去，例如
s.sendto(json_string, address)
对方用socket接收，例如
json_string, addr = s.recvfrom(2048)
把JSON转成 list 或 dict
list_or_dict = json.loads(json_string)
下面是个完整的例子：
client.py
#!/usr/bin/env python
# -*- coding: UTF-8 -*-
import socket
import json
import six
address = ('127.0.0.1', 31500)
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
mylist = [1, 2, 3, 4, 5, 6, 7, 8, 9, 10]
json_string = json.dumps(mylist)
if type(json_string) == six.text_type:
json_string = json_string.encode('UTF-8')
s.sendto(json_string, address)
s.close()
server.py
#!/usr/bin/env python
# -*- coding: UTF-8 -*-
import socket
import json
address = ('127.0.0.1', 31500)
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
s.bind(address)
json_string, addr = s.recvfrom(2048)
mylist = json.loads(json_string)
print(mylist)
s.close()
请先运行server.py，再运行client.py
UDP不适合传输很大的数据包。
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绛旓細鏈変釜妯″潡鍙玸truct锛屽彲浠ヨ嚜瀹氫箟缁撴瀯浣擄紝鍙互杩欐牱鍙戦佷唬鐮併倀ry: import cPickle as pickleexcept: import pickleclass AA(): def a(self): print "123"ddd = AA()data = pickle.dumps(ddd)杩樻湁涓ā鍧楀彨pickle锛屽彲浠ユ墦鍖呬换浣python瀵硅薄锛屾墦鍖呯殑缁撴灉涔熷彲浠ユ嬁鍒板鎺ュ瓧閲屽彂銆
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