{"id":1643,"date":"2018-04-09T13:31:15","date_gmt":"2018-04-09T05:31:15","guid":{"rendered":"http:\/\/www.yueguangzu.net\/?p=1643"},"modified":"2018-04-15T22:35:15","modified_gmt":"2018-04-15T14:35:15","slug":"%e4%bd%bf%e7%94%a8tornado%e6%90%ad%e5%bb%ba%e7%ae%80%e5%8d%95%e7%9a%84websocket","status":"publish","type":"post","link":"http:\/\/www.yueguangzu.net\/?p=1643","title":{"rendered":"\u4f7f\u7528Tornado\u642d\u5efa\u7b80\u5355\u7684WebSocket"},"content":{"rendered":"

\u4ec0\u4e48\u662fWebSocket?<\/span><\/h4>\n
WebSocket\u534f\u8bae\u662f\u57fa\u4e8eTCP\u7684\u4e00\u79cd\u65b0\u7684\u7f51\u7edc\u534f\u8bae\u3002\u5b83\u5b9e\u73b0\u4e86\u6d4f\u89c8\u5668\u4e0e\u670d\u52a1\u5668\u5168\u53cc\u5de5(full-duplex)\u901a\u4fe1\u2014\u2014\u5141\u8bb8\u670d\u52a1\u5668\u4e3b\u52a8\u53d1\u9001\u4fe1\u606f\u7ed9\u5ba2\u6237\u7aef\u3002WebSocket\u901a\u4fe1\u534f\u8bae\u4e8e2011\u5e74\u88abIETF<\/a>\u5b9a\u4e3a\u6807\u51c6RFC 6455\uff0c\u5e76\u88abRFC7936\u6240\u8865\u5145\u89c4\u8303\u3002<\/h5>\n
WebSocket\u534f\u8bae\u652f\u6301\uff08\u5728\u53d7\u63a7\u73af\u5883\u4e2d\u8fd0\u884c\u4e0d\u53d7\u4fe1\u4efb\u7684\u4ee3\u7801\u7684\uff09\u5ba2\u6237\u7aef<\/strong>\u4e0e\uff08\u9009\u62e9\u52a0\u5165\u8be5\u4ee3\u7801\u7684\u901a\u4fe1\u7684\uff09\u8fdc\u7a0b\u4e3b\u673a<\/strong>\u4e4b\u95f4\u8fdb\u884c\u5168\u53cc\u5de5\u901a\u4fe1<\/strong>\u3002\u7528\u4e8e\u6b64\u7684\u5b89\u5168\u6a21\u578b\u662fWeb\u6d4f\u89c8\u5668\u5e38\u7528\u7684\u57fa\u4e8e\u539f\u59cb\u7684\u5b89\u5168\u6a21\u5f0f\u3002 \u534f\u8bae\u5305\u62ec\u4e00\u4e2a\u5f00\u653e\u7684\u63e1\u624b\u4ee5\u53ca\u968f\u540e\u7684TCP\u5c42\u4e0a\u7684\u6d88\u606f\u5e27\u3002 \u8be5\u6280\u672f\u7684\u76ee\u6807\u662f\u4e3a\u57fa\u4e8e\u6d4f\u89c8\u5668\u7684\u3001\u9700\u8981\u548c\u670d\u52a1\u5668\u8fdb\u884c\u53cc\u5411\u901a\u4fe1\u7684\uff08\u670d\u52a1\u5668<\/strong>\u4e0d\u80fd\u4f9d\u8d56\u4e8e\u6253\u5f00\u591a\u4e2aHTTP\u8fde\u63a5\uff08\u4f8b\u5982\uff0c\u4f7f\u7528XMLHttpRequest\u6216<iframe><\/span>\u548c\u957f\u8f6e\u8be2\uff09\uff09\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u4e00\u79cd\u901a\u4fe1\u673a\u5236\u3002<\/h5>\n
\u957f\u4e45\u4ee5\u6765, \u521b\u5efa\u5b9e\u73b0\u5ba2\u6237\u7aef\u548c\u7528\u6237\u7aef\u4e4b\u95f4\u53cc\u5de5\u901a\u8baf\u7684web app\u90fd\u4f1a\u9020\u6210HTTP\u8f6e\u8be2\u7684\u6ee5\u7528: \u5ba2\u6237\u7aef\u5411\u4e3b\u673a\u4e0d\u65ad\u53d1\u9001\u4e0d\u540c\u7684HTTP\u547c\u53eb\u6765\u8fdb\u884c\u8be2\u95ee\u3002<\/h5>\n

\u8fd9\u4f1a\u5bfc\u81f4\u4e00\u7cfb\u5217\u7684\u95ee\u9898\uff1a<\/span><\/p>\n

1.\u670d\u52a1\u5668\u88ab\u8feb\u4e3a\u6bcf\u4e2a\u5ba2\u6237\u7aef\u4f7f\u7528\u8bb8\u591a\u4e0d\u540c\u7684\u5e95\u5c42TCP\u8fde\u63a5\uff1a\u4e00\u4e2a\u7528\u4e8e\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u4fe1\u606f\uff0c\u5176\u5b83\u7528\u4e8e\u63a5\u6536\u6bcf\u4e2a\u4f20\u5165\u6d88\u606f\u3002<\/span><\/p>\n

2.\u6709\u4e9b\u534f\u8bae\u6709\u5f88\u9ad8\u7684\u5f00\u9500\uff0c\u6bcf\u4e00\u4e2a\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u90fd\u6709HTTP\u5934\u3002<\/span><\/p>\n

3.\u5ba2\u6237\u7aef\u811a\u672c\u88ab\u8feb\u7ef4\u62a4\u4ece\u4f20\u51fa\u8fde\u63a5\u5230\u4f20\u5165\u8fde\u63a5\u7684\u6620\u5c04\u6765\u8ffd\u8e2a\u56de\u590d\u3002<\/span><\/p>\n

\u4e00\u4e2a\u66f4\u7b80\u5355\u7684\u89e3\u51b3\u65b9\u6848\u662f\u4f7f\u7528\u5355\u4e2aTCP\u8fde\u63a5<\/strong>\u53cc\u5411\u901a\u4fe1\u3002 \u8fd9\u5c31\u662fWebSocket\u534f\u8bae\u6240\u63d0\u4f9b\u7684\u529f\u80fd\u3002 \u7ed3\u5408WebSocket API \uff0cWebSocket\u534f\u8bae\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7528\u6765\u66ff\u4ee3HTTP\u8f6e\u8be2\u5b9e\u73b0\u7f51\u9875\u5230\u8fdc\u7a0b\u4e3b\u673a\u7684\u53cc\u5411\u901a\u4fe1\u7684\u65b9\u6cd5\u3002<\/span><\/p>\n

WebSocket\u534f\u8bae\u88ab\u8bbe\u8ba1\u6765\u53d6\u4ee3\u7528HTTP\u4f5c\u4e3a\u4f20\u8f93\u5c42\u7684\u53cc\u5411\u901a\u8baf\u6280\u672f,\u8fd9\u4e9b\u6280\u672f\u53ea\u80fd\u727a\u7272\u6548\u7387\u548c\u53ef\u4f9d\u8d56\u6027\u5176\u4e2d\u4e00\u65b9\u6765\u63d0\u9ad8\u53e6\u4e00\u65b9\uff0c\u56e0\u4e3aHTTP\u6700\u521d\u7684\u76ee\u7684\u4e0d\u662f\u4e3a\u4e86\u53cc\u5411\u901a\u8baf\u3002\uff08\u83b7\u5f97\u66f4\u591a\u5173\u4e8e\u6b64\u7684\u8ba8\u8bba\u53ef\u67e5\u9605RFC6202)<\/span><\/p><\/blockquote>\n

\u5b9e\u73b0\u539f\u7406<\/h4>\n

\u5728\u5b9e\u73b0websocket\u8fde\u7ebf\u8fc7\u7a0b\u4e2d\uff0c\u9700\u8981\u901a\u8fc7\u6d4f\u89c8\u5668\u53d1\u51fawebsocket\u8fde\u7ebf\u8bf7\u6c42\uff0c\u7136\u540e\u670d\u52a1\u5668\u53d1\u51fa\u56de\u5e94\uff0c\u8fd9\u4e2a\u8fc7\u7a0b\u901a\u5e38\u79f0\u4e3a\u201c\u63e1\u624b\u201d \u3002\u5728 WebSocket API\uff0c\u6d4f\u89c8\u5668\u548c\u670d\u52a1\u5668\u53ea\u9700\u8981\u505a\u4e00\u4e2a\u63e1\u624b\u7684\u52a8\u4f5c\uff0c\u7136\u540e\uff0c\u6d4f\u89c8\u5668\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u5c31\u5f62\u6210\u4e86\u4e00\u6761\u5feb\u901f\u901a\u9053\u3002\u4e24\u8005\u4e4b\u95f4\u5c31\u76f4\u63a5\u53ef\u4ee5\u6570\u636e\u4e92\u76f8\u4f20\u9001\u3002\u5728\u6b64WebSocket \u534f\u8bae\u4e2d\uff0c\u4e3a\u6211\u4eec\u5b9e\u73b0\u5373\u65f6\u670d\u52a1\u5e26\u6765\u4e86\u4e24\u5927\u597d\u5904\uff1a<\/span><\/p>\n

    \n
  1. Header<\/span><\/li>\n<\/ol>\n

    \u4e92\u76f8\u6c9f\u901a\u7684Header\u662f\u5f88\u5c0f\u7684-\u5927\u6982\u53ea\u6709 2 Bytes<\/span><\/p>\n

      \n
    1. Server Push<\/span><\/li>\n<\/ol>\n

      \u670d\u52a1\u5668\u7684\u63a8\u9001\uff0c\u670d\u52a1\u5668\u4e0d\u518d\u88ab\u52a8\u7684\u63a5\u6536\u5230\u6d4f\u89c8\u5668\u7684\u8bf7\u6c42\u4e4b\u540e\u624d\u8fd4\u56de\u6570\u636e\uff0c\u800c\u662f\u5728\u6709\u65b0\u6570\u636e\u65f6\u5c31\u4e3b\u52a8\u63a8\u9001\u7ed9\u6d4f\u89c8\u5668\u3002<\/span><\/p><\/blockquote>\n

      python\u540e\u53f0\u4ee3\u7801<\/h5>\n
      1.\u9996\u5148\u8981\u642d\u5efa\u4e00\u4e2a\u670d\u52a1\u5668,\u4f7f\u7528tornado\u642d\u5efa\u670d\u52a1\u5668\u4ee3\u7801\u5982\u4e0b,\u642d\u5efa\u670d\u52a1\u5668\u4ee3\u7801\u5982\u6709\u4e0d\u660e\u8bf7\u7559\u8a00<\/code><\/span><\/h5>\n
      2.\u4f7f\u7528\u589e\u52a02\u4e2aHandler<\/h5>\n
      MainHandler:\u7528\u6765\u5b9e\u73b0\u63a7\u5236\u9875\u9762\u8df3\u8f6c\u5230websocket\u4e3b\u9875<\/h5>\n
      WSHandler:\u7528\u6765\u63a7\u5236\u63a5\u53d7\u524d\u7aefwebsocket\u7684\u903b\u8f91<\/h5>\n
      \n
      \u5176\u4e2dWSHandler\u9700\u8981\u7ee7\u627ftornado.websocket.WebSocketHandler\u5bf9\u8c61,\u5e76\u91cd\u5199open,on_message,on_close<\/h5>\n
      \u5173\u952e\u662fon_message\u65b9\u6cd5,\u662f\u5904\u7406\u6d88\u606f\u5230\u6765\u65f6\u5019\u7684\u903b\u8f91<\/h5>\n
      \u5185\u7f6ewrite_message\u662f\u5f80\u524d\u7aef\u53d1\u9001\u6570\u636e\u4f7f\u7528\u7684\u65b9\u6cd5.<\/h5>\n<\/blockquote>\n
      #-*-coding:utf-8-*-<\/span>\r\nfrom<\/span> tornado<\/span>.websocket<\/span> import<\/span> WebSocketHandler<\/span>\r\nfrom<\/span> tornado<\/span>.web<\/span> import<\/span> RequestHandler<\/span>\r\nfrom<\/span> tornado<\/span> import<\/span> ioloop<\/span>,httpserver<\/span>,web<\/span>\r\nfrom<\/span> tornado<\/span>.options<\/span> import<\/span> define<\/span>,options<\/span>\r\n\u200b\r\ndefine<\/span>('port'<\/span>,default<\/span>='6666'<\/span>,help<\/span>='run port'<\/span>,type<\/span>=int<\/span>)\r\ndefine<\/span>('runserver'<\/span>,default<\/span>=True<\/span>,help<\/span>='run server'<\/span>,type<\/span>=bool<\/span>)\r\n\u200b\r\nclass<\/span> WSHandler<\/span>(WebSocketHandler<\/span>):\r\n \u00a0  users<\/span>=set<\/span>()\r\n \u00a0  def<\/span> open<\/span>(self<\/span>):\r\n \u00a0 \u00a0 \u00a0  WSHandler<\/span>.users<\/span>.add<\/span>(self<\/span>)\r\n \u00a0 \u00a0 \u00a0  print<\/span>('connected'<\/span>)\r\n \u00a0  def<\/span> on_message<\/span>(self<\/span>, message<\/span>):\r\n \u00a0 \u00a0 \u00a0  print<\/span>(self<\/span>.request<\/span>.remote_ip<\/span>,message<\/span>)\r\n \u00a0 \u00a0 \u00a0  for<\/span> u<\/span> in<\/span> self<\/span>.users<\/span>:\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  u<\/span>.write_message<\/span>('[%s]:%s'<\/span>%<\/span>(self<\/span>.request<\/span>.remote_ip<\/span>,message<\/span>))\r\n \u00a0  def<\/span> on_close<\/span>(self<\/span>):\r\n \u00a0 \u00a0 \u00a0  print<\/span>('8888'<\/span>)\r\n \u00a0 \u00a0 \u00a0  WSHandler<\/span>.users<\/span>.remove<\/span>(self<\/span>)\r\nclass<\/span> MainHandler<\/span>(RequestHandler<\/span>):\r\n \u00a0  def<\/span> get<\/span>(self<\/span>):\r\n \u00a0 \u00a0 \u00a0  self<\/span>.render<\/span>('websocket.html'<\/span>)\r\n\u200b\r\n\u200b\r\nhandlers<\/span>=[\r\n \u00a0  (r'\/ws'<\/span>,WSHandler<\/span>),\r\n \u00a0  (r'\/'<\/span>,MainHandler<\/span>),\r\n]\r\n\u200b\r\nif<\/span> __name__<\/span> == '__main__'<\/span>:\r\n \u00a0  options<\/span>.parse_command_line<\/span>()\r\n \u00a0  if<\/span> options<\/span>.runserver<\/span>:\r\n \u00a0 \u00a0 \u00a0  app<\/span>=web<\/span>.Application<\/span>(handlers<\/span>=handlers<\/span>,debug<\/span>=True<\/span>,template_path<\/span>='..\/templates'<\/span>)\r\n \u00a0 \u00a0 \u00a0  httpser<\/span>=httpserver<\/span>.HTTPServer<\/span>(app<\/span>)\r\n \u00a0 \u00a0 \u00a0  httpser<\/span>.listen<\/span>(options<\/span>.port<\/span>)\r\n \u00a0 \u00a0 \u00a0  print<\/span>('running...'<\/span>)\r\n \u00a0 \u00a0 \u00a0  ioloop<\/span>.IOLoop<\/span>.instance<\/span>().start<\/span>()<\/pre>\n
      \u524d\u7aef\u4ee3\u7801<\/h4>\n
      \n
      1.\u524d\u7aef\u4e3b\u8981\u7684\u95ee\u9898\u5c31\u662f\u5f15\u7528WebSocket<\/code><\/span>\u5bf9\u8c61,\u5e76\u521d\u59cb\u5316\u4f20\u5165\u7684\u5730\u5740<\/h5>\n
      2.\u524d\u7aef\u540c\u6837\u9700\u8981\u5b9a\u4e493\u4e2a\u65b9\u6cd5:onopen,onmessage,onclose\u5bf9\u5e94\u540e\u7aef\u7684open,on_message,on_close<\/h5>\n
      3.\u53d1\u9001\u6d88\u606f\u4f7f\u7528send\u65b9\u6cd5<\/h5>\n<\/blockquote>\n
       \u00a0 \u00a0 \u00a0  var ws=new WebSocket('ws:\/\/127.0.0.1:6666\/ws');\r\n \u00a0 \u00a0 \u00a0  ws.onopen=function(){\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  $('.status').html('\u5df2\u8fde\u63a5\u670d\u52a1\u5668');\r\n \u00a0 \u00a0 \u00a0  };\r\n \u00a0 \u00a0 \u00a0  ws.onmessage=function(mes){\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  $('.ul').append('<<\/span>li<\/span>><\/span>'+ mes.data +'<\/<\/span>li<\/span>><\/span>');\r\n\u200b\r\n \u00a0 \u00a0 \u00a0  };\r\n \u00a0 \u00a0 \u00a0  ws.onclose=function(){\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 $('.status').html('\u8fde\u63a5\u5df2\u65ad\u5f00');\r\n \u00a0 \u00a0 \u00a0  };<\/pre>\n
      <!DOCTYPE html><\/span>\r\n<<\/span>html<\/span> lang<\/span>=\"en\"<\/span>><\/span>\r\n<<\/span>head<\/span>><\/span>\r\n \u00a0  <<\/span>meta<\/span> charset<\/span>=\"UTF-8\"<\/span>><\/span>\r\n \u00a0  <<\/span>title<\/span>><\/span>WebSocket<\/<\/span>title<\/span>><\/span>\r\n \u00a0  <<\/span>script<\/span> src<\/span>=\"http:\/\/cdn.static.runoob.com\/libs\/jquery\/1.9.0\/jquery.js\"<\/span>><\/<\/span>script<\/span>><\/span>\r\n \u00a0  <<\/span>style<\/span>><\/span>\r\n\u200b\r\n \u00a0 \u00a0 \u00a0  .main<\/span>{\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  width<\/span>: 500px<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  height<\/span>: 300px<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  border<\/span>: 1px<\/span> solid<\/span> red<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  border-radius<\/span>: 5px<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  margin<\/span>: 100px<\/span> auto<\/span>;\r\n \u00a0 \u00a0 \u00a0  }\r\n \u00a0 \u00a0 \u00a0  .status<\/span>{\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  position<\/span>: relative<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  text-align<\/span>: center<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  border<\/span>: 1px<\/span> dashed<\/span> grey<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  height<\/span>: 38px<\/span>;\r\n \u00a0 \u00a0 \u00a0  }\r\n \u00a0 \u00a0 \u00a0  .bottom<\/span>{\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  margin-bottom<\/span>: 0px<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  height<\/span>: 25px<\/span>;\r\n \u00a0 \u00a0 \u00a0  }\r\n \u00a0 \u00a0 \u00a0  .send<\/span>{\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  width<\/span>: 100%<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  height<\/span>: 100%<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  border<\/span>: none<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  background-color<\/span>: palevioletred<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  font-size<\/span>: 14px<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  font-family<\/span>: \"Microsoft Yahei\"<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  color<\/span>: whitesmoke<\/span>;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  border-radius<\/span>: 5px<\/span>;\r\n \u00a0 \u00a0 \u00a0  }\r\n \u00a0 \u00a0 \u00a0  .down<\/span>{\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  height<\/span>: 25px<\/span>;\r\n \u00a0 \u00a0 \u00a0  }\r\n \u00a0 \u00a0 \u00a0  .ul<\/span>{\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  height<\/span>: 60%<\/span>;\r\n \u00a0 \u00a0 \u00a0  }\r\n \u00a0  <\/<\/span>style<\/span>><\/span>\r\n<\/<\/span>head<\/span>><\/span>\r\n<<\/span>body<\/span>><\/span>\r\n\u200b\r\n<<\/span>h1<\/span> align<\/span>=\"center\"<\/span>><\/span>WebSocket\u804a\u5929\u5ba4<\/<\/span>h1<\/span>><\/span>\r\n<<\/span>div<\/span> class<\/span>=\"main\"<\/span>><\/span>\r\n \u00a0  <<\/span>div<\/span> class<\/span>=\"status\"<\/span>><\/<\/span>div<\/span>><\/span>\r\n \u00a0  <<\/span>ul<\/span> class<\/span>=\"ul\"<\/span>><\/<\/span>ul<\/span>><\/span>\r\n \u00a0  <<\/span>div<\/span> class<\/span>=\"down\"<\/span>><<\/span>input<\/span> class<\/span>=\"input\"<\/span> type<\/span>=\"text\"<\/span> size<\/span>=\"79\"<\/span> placeholder<\/span>=\"\u8bf7\u8f93\u5165\"<\/span>><\/<\/span>div<\/span>><\/span>\r\n \u00a0  <<\/span>div<\/span> class<\/span>=\"bottom\"<\/span>><<\/span>button<\/span> class<\/span>=\"send\"<\/span> ><\/span>\u53d1\u9001\u4fe1\u606f<\/<\/span>button<\/span>><\/<\/span>div<\/span>><\/span>\r\n<\/<\/span>div<\/span>><\/span>\r\n\u200b\r\n<<\/span>script<\/span>><\/span>\r\n \u00a0  $<\/span>(function<\/span>(){\r\n \u00a0 \u00a0 \u00a0  var<\/span> ws<\/span>=<\/span>new<\/span> WebSocket<\/span>('ws:\/\/127.0.0.1:6666\/ws'<\/span>);\r\n \u00a0 \u00a0 \u00a0  ws<\/span>.onopen<\/span>=<\/span>function<\/span>(){\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  $<\/span>('.status'<\/span>).html<\/span>('\u5df2\u8fde\u63a5\u670d\u52a1\u5668'<\/span>);\r\n \u00a0 \u00a0 \u00a0  };\r\n \u00a0 \u00a0 \u00a0  ws<\/span>.onmessage<\/span>=<\/span>function<\/span>(mes<\/span>){\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  $<\/span>('.ul'<\/span>).append<\/span>('<li>'<\/span>+<\/span> mes<\/span>.data<\/span> +<\/span>'<\/li>'<\/span>);\r\n\u200b\r\n \u00a0 \u00a0 \u00a0  };\r\n \u00a0 \u00a0 \u00a0  ws<\/span>.onclose<\/span>=<\/span>function<\/span>(){\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 $<\/span>('.status'<\/span>).html<\/span>('\u8fde\u63a5\u5df2\u65ad\u5f00'<\/span>);\r\n \u00a0 \u00a0 \u00a0  };\r\n\u200b\r\n \u00a0 \u00a0 \u00a0  $<\/span>('.send'<\/span>).on<\/span>('click'<\/span>,function<\/span>(){\r\n \u00a0 \u00a0 \u00a0 \u00a0  ws<\/span>.send<\/span>( $<\/span>('.input'<\/span>).val<\/span>());\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  $<\/span>('.input'<\/span>).val<\/span>(''<\/span>);\r\n \u00a0 \u00a0 \u00a0  })\r\n \u00a0 \u00a0 \u00a0  $<\/span>('.input'<\/span>).bind<\/span>('keypress'<\/span>,function<\/span>(event<\/span>){\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  if<\/span>(event<\/span>.keyCode<\/span>==<\/span>\"13\"<\/span>){\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  event<\/span>.preventDefault<\/span>();\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  ws<\/span>.send<\/span>( $<\/span>('.input'<\/span>).val<\/span>());\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 $<\/span>('.input'<\/span>).val<\/span>(''<\/span>);\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0  }\r\n \u00a0 \u00a0 \u00a0  })\r\n \u00a0  })\r\n<\/<\/span>script<\/span>><\/span>\r\n<\/<\/span>body<\/span>><\/span>\r\n<\/<\/span>html<\/span>><\/span><\/pre>\n
      <\/h5>\n
      <\/h5>\n
      \u5176\u5b83\u6846\u67b6(\u4f8b\u5982Django)\u540e\u7eed\u9646\u7eed\u66f4\u65b0,\u5982\u679c\u6709\u9700\u8981\u7684\u8bdd……<\/h5>\n
      \"\"<\/p>\n
       <\/p>\n
       <\/p>\n","protected":false},"excerpt":{"rendered":"
      \u4ec0\u4e48\u662fWebSocket? WebSocket\u534f\u8bae\u662f\u57fa\u4e8eTCP\u7684\u4e00\u79cd\u65b0\u7684\u7f51\u7edc\u534f\u8bae\u3002\u5b83\u5b9e\u73b0\u4e86\u6d4f\u89c8\u5668\u4e0e\u670d\u52a1\u5668\u5168\u53cc\u5de5(full-duplex)\u901a\u4fe1\u2014\u2014\u5141\u8bb8\u670d\u52a1\u5668\u4e3b\u52a8\u53d1\u9001\u4fe1\u606f\u7ed9\u5ba2\u6237\u7aef\u3002WebSocket\u901a\u4fe1\u534f\u8bae\u4e8e2011\u5e74\u88abIETF\u5b9a\u4e3a\u6807\u51c6RFC  […]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[54],"tags":[56,108,107],"_links":{"self":[{"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/posts\/1643"}],"collection":[{"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1643"}],"version-history":[{"count":4,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/posts\/1643\/revisions"}],"predecessor-version":[{"id":1652,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=\/wp\/v2\/posts\/1643\/revisions\/1652"}],"wp:attachment":[{"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1643"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1643"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.yueguangzu.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1643"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}