{"id":1827,"date":"2016-06-07T21:42:24","date_gmt":"2016-06-07T13:42:24","guid":{"rendered":"http:\/\/www.daliane.com\/?p=1827"},"modified":"2016-06-07T21:42:25","modified_gmt":"2016-06-07T13:42:25","slug":"html5_web_sockets_tong_xin","status":"publish","type":"post","link":"http:\/\/www.daliane.com\/category\/jinjiaoyou\/html5_web_sockets_tong_xin\/","title":{"rendered":"HTML5 Web Sockets\u901a\u4fe1"},"content":{"rendered":"
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\u57fa\u7840\u4ecb\u7ecd<\/h1>\n

Web Sockets\u662fHTML5\u63d0\u4f9b\u7684\u5728Web\u5e94\u7528\u7a0b\u5e8f\u4e2d\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7aef\u4e4b\u95f4\u8fdb\u884c\u7684\u975eHTTP\u7684\u901a\u4fe1\u673a\u5236\u3002\u5b83\u5b9e\u73b0\u4e86\u7528HTTP\u4e0d\u5bb9\u6613\u5b9e\u73b0\u7684\u670d\u52a1\u5668\u7aef\u7684\u6570\u636e\u63a8\u9001\u7b49\u667a\u80fd\u901a\u4fe1\u6280\u672f\u3002<\/p>\n

\u4f7f\u7528Web Sockets API\u53ef\u4ee5\u5728\u670d\u52a1\u5668\u4e0e\u5ba2\u6237\u7aef\u4e4b\u95f4\u5efa\u7acb\u4e00\u4e2a\u975eHTTP\u7684\u53cc\u5411\u8fde\u63a5\u3002\u8fd9\u4e2a\u8fde\u63a5\u662f\u5b9e\u65f6\u7684\uff0c\u4e5f\u662f\u6c38\u4e45\u7684\uff0c\u9664\u975e\u88ab\u663e\u793a\u5173\u95ed\u3002\u8fd9\u610f\u5473\u7740\u5f53\u670d\u52a1\u5668\u60f3\u5411\u5ba2\u6237\u7aef\u53d1\u9001\u6570\u636e\u65f6\uff0c\u53ef\u4ee5\u7acb\u5373\u5c06\u6570\u636e\u63a8\u9001\u5230\u5ba2\u6237\u7aef\u7684\u6d4f\u89c8\u5668\u4e2d\uff0c\u65e0\u987b\u91cd\u65b0\u5efa\u7acb\u8fde\u63a5\u3002\u53ea\u8981\u5ba2\u6237\u7aef\u6709\u4e00\u4e2a\u88ab\u6253\u5f00\u7684socket\uff08\u5957\u63a5\u5b57\uff09\u5e76\u4e14\u4e0e\u670d\u52a1\u5668\u5efa\u7acb\u4e86\u8fde\u63a5\uff0c\u670d\u52a1\u5668\u5c31\u53ef\u4ee5\u628a\u6570\u636e\u63a8\u9001\u5230\u8fd9\u4e2asocket\u4e0a\uff0c\u670d\u52a1\u5668\u4e0d\u518d\u9700\u8981\u8f6e\u8be2\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u4ece\u88ab\u52a8\u8f6c\u4e3a\u4e3b\u52a8\u3002<\/p>\n

\u4f7f\u7528Web Sockets API<\/h1>\n

Web Sockets\u7684API\u672c\u8eab\u975e\u5e38\u7b80\u5355\u3002\u5c06URL\u5b57\u7b26\u4e32\u4f5c\u4e3a\u53c2\u6570\uff0c\u7136\u540e\u8c03\u7528WebSocket\u5bf9\u8c61\u7684\u6784\u9020\u51fd\u6570\u6765\u5efa\u7acb\u4e0e\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u901a\u4fe1\u8fde\u63a5\uff0c\u4f8b\u5982\uff1a<\/p>\n

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Js\u4ee3\u7801 \u00a0\"\u6536\u85cf\u4ee3\u7801\"<\/a><\/div>\n<\/div>\n
    \n
  1. var<\/span>\u00a0webSocket\u00a0=\u00a0new<\/span>\u00a0WebSocket(“ws:\/\/localhost:8005\/socket”<\/span>);<\/li>\n<\/ol>\n<\/div>\n

    URL\u5b57\u7b26\u4e32\u5fc5\u987b\u4ee5\u201cws\u201d\u6216\u201cwss\u201d\uff08\u52a0\u5bc6\u901a\u4fe1\u65f6\uff09\u6587\u5b57\u4f5c\u4e3a\u5f00\u5934\u3002\u8fd9\u4e2aURL\u5b57\u7b26\u4e32\u88ab\u8bbe\u5b9a\u597d\u4e4b\u540e\uff0c\u5728JavaScript\u811a\u672c\u4e2d\u53ef\u4ee5\u901a\u8fc7\u8bbf\u95eeWebSocket\u5bf9\u8c61\u7684url\u5c5e\u6027\u6765\u91cd\u65b0\u83b7\u53d6\u3002\u901a\u4fe1\u8fde\u63a5\u5efa\u7acb\u597d\u4e4b\u540e\uff0c\u5c31\u53ef\u4ee5\u8fdb\u884c\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7aef\u7684\u53cc\u5411\u901a\u4fe1\u4e86\u3002\u4f7f\u7528WebSocket\u5bf9\u8c61\u7684send()\u65b9\u6cd5\u5bf9\u670d\u52a1\u5668\u53d1\u9001\u6570\u636e\uff0c\u53ea\u80fd\u53d1\u9001\u6587\u672c\u6570\u636e\uff0c\u4f46\u662f\u53ef\u4ee5\u4f7f\u7528JSON\u5bf9\u8c61\u628a\u4efb\u4f55JavaScript\u5bf9\u8c61\u8f6c\u6362\u6210\u6587\u672c\u6570\u636e\u540e\u8fdb\u884c\u53d1\u9001\u3002\u4f7f\u7528send()\u65b9\u6cd5\u7684\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n

    \n
    \n
    Js\u4ee3\u7801 \u00a0\"\u6536\u85cf\u4ee3\u7801\"<\/a><\/div>\n<\/div>\n
      \n
    1. webSocket.send(“data”<\/span>);<\/li>\n<\/ol>\n<\/div>\n

      \u901a\u8fc7\u83b7\u53d6message\u4e8b\u4ef6\u53e5\u67c4\u6765\u63a5\u6536\u670d\u52a1\u5668\u4f20\u8fc7\u6765\u7684\u6570\u636e\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n

      \n
      \n
      Js\u4ee3\u7801 \u00a0\"\u6536\u85cf\u4ee3\u7801\"<\/a><\/div>\n<\/div>\n
        \n
      1. webSocket.addEventListent(“message”<\/span>,\u00a0function<\/span>(event)\u00a0{<\/li>\n
      2. \u00a0\u00a0\u00a0\u00a0var<\/span>\u00a0data\u00a0=\u00a0event.data;<\/li>\n
      3. \u00a0\u00a0\u00a0\u00a0\/\/\u00a0\u5176\u4ed6\u5904\u7406\u4ee3\u7801\u3002<\/span><\/li>\n
      4. },\u00a0false<\/span>);<\/li>\n<\/ol>\n<\/div>\n

        \u901a\u8fc7\u83b7\u53d6open\u4e8b\u4ef6\u53e5\u67c4\u6765\u76d1\u542csocket\u7684\u6253\u5f00\u4e8b\u4ef6\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n

        \n
        \n
        Js\u4ee3\u7801 \u00a0\"\u6536\u85cf\u4ee3\u7801\"<\/a><\/div>\n<\/div>\n
          \n
        1. webSocket.addEventListener(“open”<\/span>,\u00a0function<\/span>(event)\u00a0{<\/li>\n
        2. \u00a0\u00a0\u00a0\u00a0\/\/\u00a0\u5f00\u59cb\u901a\u4fe1\u65f6\u7684\u5904\u7406\u3002<\/span><\/li>\n
        3. },\u00a0false<\/span>);<\/li>\n<\/ol>\n<\/div>\n

          \u901a\u8fc7\u83b7\u53d6close\u4e8b\u4ef6\u53e5\u67c4\u6765\u76d1\u542csocket\u7684\u5173\u95ed\u4e8b\u4ef6\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n

          \n
          \n
          Js\u4ee3\u7801 \u00a0\"\u6536\u85cf\u4ee3\u7801\"<\/a><\/div>\n<\/div>\n
            \n
          1. webSocket.addEventListener(“close”<\/span>,\u00a0function<\/span>(event)\u00a0{<\/li>\n
          2. \u00a0\u00a0\u00a0\u00a0\/\/\u00a0\u901a\u4fe1\u7ed3\u675f\u65f6\u7684\u5904\u7406\u3002<\/span><\/li>\n
          3. },\u00a0false<\/span>);<\/li>\n<\/ol>\n<\/div>\n

            \u901a\u8fc7\u83b7\u53d6close()\u65b9\u6cd5\u6765\u5173\u95edsocket\uff0c\u5207\u65ad\u901a\u4fe1\u8fde\u63a5\uff0c\u793a\u4f8b\u5982\u4e0b\uff1a<\/p>\n

            \n
            \n
            Js\u4ee3\u7801 \u00a0\"\u6536\u85cf\u4ee3\u7801\"<\/a><\/div>\n<\/div>\n
              \n
            1. webSocket.close();<\/li>\n<\/ol>\n<\/div>\n

              \u53e6\u5916\uff0c\u53ef\u4ee5\u901a\u8fc7\u8bfb\u53d6readyState\u7684\u5c5e\u6027\u503c\u6765\u83b7\u53d6WebSocket\u5bf9\u8c61\u7684\u72b6\u6001\u3002readyState\u5c5e\u6027\u5b58\u5728\u4ee5\u4e0b\u51e0\u79cd\u5c5e\u6027\u503c\uff1a<\/p>\n