{"id":3298,"date":"2017-05-27T20:48:02","date_gmt":"2017-05-27T12:48:02","guid":{"rendered":"https:\/\/ixyzero.com\/blog\/?p=3298"},"modified":"2017-05-27T20:48:02","modified_gmt":"2017-05-27T12:48:02","slug":"websocket%e5%ad%a6%e4%b9%a0","status":"publish","type":"post","link":"https:\/\/ixyzero.com\/blog\/archives\/3298.html","title":{"rendered":"WebSocket\u5b66\u4e60"},"content":{"rendered":"<p>=Start=<\/p>\n<h4 id=\"WebSocket\u5b66\u4e60-\u7f18\u7531\uff1a\">\u7f18\u7531\uff1a<\/h4>\n<p>\u4e4b\u524d\u53ea\u662f\u7b80\u5355\u542c\u8bf4\u8fc7WebSocket\u8fd9\u4e2a\u540d\u8bcd\uff0c\u4f46\u662f\u4e00\u76f4\u90fd\u4e0d\u6e05\u695a\u5b83\u5230\u5e95\u662f\u4e2a\u4ec0\u4e48\u4e1c\u897f\uff0c\u4eca\u5929\u521a\u597d\u5728\u770b\u67d0\u4e2a\u9700\u6c42\u6587\u6863\u7684\u65f6\u5019\u91cc\u9762\u8981\u6c42\u4f7f\u7528WebSocket\u5b9e\u73b0\u53cc\u5411\u901a\u4fe1\uff0c\u6240\u4ee5\u5c31\u60f3\u7740\u597d\u597d\u770b\u4e00\u4e0b\u76f8\u5173\u6982\u5ff5\uff0c\u65b9\u4fbf\u4ee5\u540e\u7684\u8fdb\u4e00\u6b65\u5b66\u4e60\u3002<\/p>\n<h4 id=\"WebSocket\u5b66\u4e60-\u6b63\u6587\uff1a\">\u6b63\u6587\uff1a<\/h4>\n<h5 id=\"WebSocket\u5b66\u4e60-\u53c2\u8003\u89e3\u7b54\uff1a\">\u53c2\u8003\u89e3\u7b54\uff1a<\/h5>\n<h6 id=\"WebSocket\u5b66\u4e60-HTTP\u77ed\u8f6e\u8be2&amp;HTTP\u957f\u8f6e\u8be2&amp;WebSocket\u548cHTTP\u7684\u4e0d\u540c\">HTTP\u77ed\u8f6e\u8be2 &amp; HTTP\u957f\u8f6e\u8be2 &amp; WebSocket\u548cHTTP\u7684\u4e0d\u540c<\/h6>\n<p>\u7531\u4e8e\u5386\u53f2\u539f\u56e0\uff0c\u5728\u521b\u5efa\u4e00\u4e2a\u5177\u6709\u53cc\u5411\u901a\u4fe1\u673a\u5236\u7684 Web \u5e94\u7528\u7a0b\u5e8f\u65f6\uff0c\u9700\u8981\u5229\u7528\u5230 HTTP \u8f6e\u8be2\u7684\u65b9\u5f0f\u3002\u56f4\u7ed5\u8f6e\u8be2\u4ea7\u751f\u4e86 \u201c\u77ed\u8f6e\u8be2\u201d \u548c \u201c\u957f\u8f6e\u8be2\u201d\u3002<\/p>\n<p><strong>HTTP\u77ed\u8f6e\u8be2<\/strong><\/p>\n<p>\u6d4f\u89c8\u5668\u8d4b\u4e88\u4e86\u811a\u672c\u7f51\u7edc\u901a\u4fe1\u7684\u7f16\u7a0b\u63a5\u53e3 XMLHttpRequest\uff0c\u4ee5\u53ca\u5b9a\u65f6\u5668\u63a5\u53e3 setTimeout\u3002\u56e0\u6b64\uff0c\u5ba2\u6237\u7aef\u811a\u672c\u53ef\u4ee5\u6bcf\u9694\u4e00\u6bb5\u65f6\u95f4\u5c31\u4e3b\u52a8\u7684\u5411\u670d\u52a1\u5668\u53d1\u8d77\u8bf7\u6c42\uff0c\u8be2\u95ee\u662f\u5426\u6709\u65b0\u7684\u4fe1\u606f\u4ea7\u751f\uff1a<\/p>\n<ol>\n<li>\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u53d1\u8d77\u4e00\u4e2a\u8bf7\u6c42\uff0c\u8be2\u95ee \u201c\u6709\u65b0\u4fe1\u606f\u4e86\u5417\u201d\uff1b<\/li>\n<li>\u670d\u52a1\u7aef\u63a5\u6536\u5230\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u4f46\u662f\u6b64\u65f6\u6ca1\u6709\u65b0\u7684\u4fe1\u606f\u4ea7\u751f\uff0c\u4e8e\u662f\u76f4\u63a5\u56de\u590d \u201c\u6ca1\u6709\u201d\uff0c\u5e76\u5173\u95ed\u94fe\u63a5\uff1b<\/li>\n<li>\u5ba2\u6237\u7aef\u77e5\u9053\u4e86\u6ca1\u6709\u65b0\u7684\u4fe1\u606f\u4ea7\u751f\uff0c\u90a3\u4e48\u5c31\u6682\u65f6\u4ec0\u4e48\u90fd\u4e0d\u505a\uff1b<\/li>\n<li>\u95f4\u9694 5 \u79d2\u949f\u4e4b\u540e\uff0c\u518d\u6b21\u4ece\u6b65\u9aa4 1 \u5f00\u59cb\u5faa\u73af\u6267\u884c\uff1b<\/li>\n<\/ol>\n<p><strong>HTTP\u957f\u8f6e\u8be2<\/strong><\/p>\n<p>\u4f7f\u7528\u77ed\u8f6e\u8be2\u7684\u65b9\u5f0f\u6709\u4e00\u4e2a\u7f3a\u70b9\uff0c\u7531\u4e8e\u5ba2\u6237\u7aef\u5e76\u4e0d\u77e5\u9053\u670d\u52a1\u5668\u7aef\u4f55\u65f6\u4f1a\u4ea7\u751f\u65b0\u7684\u6d88\u606f\uff0c\u56e0\u6b64\u5b83\u53ea\u6709\u6bcf\u9694\u4e00\u6bb5\u65f6\u95f4\u4e0d\u505c\u7684\u5411\u670d\u52a1\u5668\u8be2\u95ee \u201c\u6709\u65b0\u4fe1\u606f\u4e86\u5417\u201d\u3002\u800c\u957f\u8f6e\u8be2\u7684\u5de5\u4f5c\u65b9\u5f0f\u53ef\u4ee5\u662f\u8fd9\u6837\uff1a<\/p>\n<ol>\n<li>\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u53d1\u8d77\u4e00\u4e2a\u8bf7\u6c42\uff0c\u8be2\u95ee \u201c\u6709\u65b0\u4fe1\u606f\u4e86\u5417\u201d\uff1b<\/li>\n<li>\u670d\u52a1\u5668\u63a5\u6536\u5230\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\uff0c\u6b64\u65f6\u5e76\u6ca1\u6709\u65b0\u7684\u4fe1\u606f\u4ea7\u751f\uff0c\u4e0d\u8fc7\u670d\u52a1\u5668\u4fdd\u6301\u8fd9\u4e2a\u94fe\u63a5\uff0c\u50cf\u662f\u544a\u8bc9\u5ba2\u6237\u7aef \u201c\u7a0d\u7b49\u201d\u3002\u4e8e\u662f\u76f4\u5230\u6709\u4e86\u65b0\u7684\u4fe1\u606f\u4ea7\u751f\uff0c\u670d\u52a1\u7aef\u5c06\u65b0\u7684\u4fe1\u606f\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\uff1b<\/li>\n<li>\u5ba2\u6237\u7aef\u63a5\u6536\u5230\u6d88\u606f\u4e4b\u540e\u663e\u793a\u51fa\u6765\uff0c\u5e76\u518d\u6b21\u7531\u6b65\u9aa4 1 \u5f00\u59cb\u5faa\u73af\u6267\u884c\uff1b<\/li>\n<\/ol>\n<p>\u53ef\u4ee5\u770b\u5230 \u201c\u957f\u8f6e\u8be2\u201d \u76f8\u8f83\u4e8e \u201c\u77ed\u8f6e\u8be2\u201d \u53ef\u4ee5\u51cf\u5c11\u5927\u91cf\u65e0\u7528\u7684\u8bf7\u6c42\uff0c\u5e76\u4e14\u5ba2\u6237\u7aef\u63a5\u6536\u5230\u65b0\u6d88\u606f\u7684\u65f6\u673a\u5c06\u4f1a\u6709\u53ef\u80fd\u63d0\u524d\u3002<\/p>\n<p><strong>Ajax &amp; Comet<\/strong><\/p>\n<p>\u7565<\/p>\n<p><strong>WebSocket<\/strong><\/p>\n<p><strong>WebSocket\u662fHTML5\u4e0b\u4e00\u79cd\u65b0\u7684\u534f\u8bae\u3002\u5b83\u5b9e\u73b0\u4e86\u6d4f\u89c8\u5668\u4e0e\u670d\u52a1\u5668\u5168\u53cc\u5de5\u901a\u4fe1\uff0c\u80fd\u66f4\u597d\u7684\u8282\u7701\u670d\u52a1\u5668\u8d44\u6e90\u548c\u5e26\u5bbd\u5e76\u8fbe\u5230\u5b9e\u65f6\u901a\u8baf\u7684\u76ee\u7684\u3002<\/strong>\u5b83\u4e0eHTTP\u4e00\u6837\u901a\u8fc7\u5df2\u5efa\u7acb\u7684TCP\u8fde\u63a5\u6765\u4f20\u8f93\u6570\u636e\uff0c\u4f46\u662f\u5b83\u548cHTTP\u6700\u5927\u4e0d\u540c\u662f\uff1a<\/p>\n<ul>\n<li>WebSocket\u662f\u4e00\u79cd\u53cc\u5411\u901a\u4fe1\u534f\u8bae\u3002\u5728\u5efa\u7acb\u8fde\u63a5\u540e\uff0cWebSocket\u670d\u52a1\u5668\u7aef\u548c\u5ba2\u6237\u7aef\u90fd\u80fd\u4e3b\u52a8\u5411\u5bf9\u65b9\u53d1\u9001\u6216\u63a5\u6536\u6570\u636e\uff0c\u5c31\u50cfSocket\u4e00\u6837\uff1b<\/li>\n<li>WebSocket\u9700\u8981\u50cfTCP\u4e00\u6837\uff0c\u5148\u5efa\u7acb\u8fde\u63a5\uff0c\u8fde\u63a5\u6210\u529f\u540e\u624d\u80fd\u76f8\u4e92\u901a\u4fe1\u3002<\/li>\n<\/ul>\n<p>\u76f8\u6bd4HTTP\u957f\u8fde\u63a5\uff0cWebSocket\u6709\u4ee5\u4e0b\u7279\u70b9\uff1a<\/p>\n<ul>\n<li><span style=\"color: #ff0000;\">\u662f\u771f\u6b63\u7684\u5168\u53cc\u5de5\u65b9\u5f0f\uff0c\u5efa\u7acb\u8fde\u63a5\u540e\u5ba2\u6237\u7aef\u4e0e\u670d\u52a1\u5668\u7aef\u662f\u5b8c\u5168\u5e73\u7b49\u7684\uff0c\u53ef\u4ee5\u4e92\u76f8\u4e3b\u52a8\u8bf7\u6c42\u3002<\/span>\u800cHTTP\u957f\u8fde\u63a5\u57fa\u4e8eHTTP\uff0c\u662f\u4f20\u7edf\u7684\u5ba2\u6237\u7aef\u5bf9\u670d\u52a1\u5668\u53d1\u8d77\u8bf7\u6c42\u7684\u6a21\u5f0f\u3002<\/li>\n<li>HTTP\u957f\u8fde\u63a5\u4e2d\uff0c\u6bcf\u6b21\u6570\u636e\u4ea4\u6362\u9664\u4e86\u771f\u6b63\u7684\u6570\u636e\u90e8\u5206\u5916\uff0c\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u8fd8\u8981\u5927\u91cf\u4ea4\u6362HTTP header\uff0c\u4fe1\u606f\u4ea4\u6362\u6548\u7387\u5f88\u4f4e\u3002<span style=\"color: #ff0000;\">Websocket\u534f\u8bae\u901a\u8fc7\u7b2c\u4e00\u4e2arequest\u5efa\u7acb\u4e86TCP\u8fde\u63a5\u4e4b\u540e\uff0c\u4e4b\u540e\u4ea4\u6362\u7684\u6570\u636e\u90fd\u4e0d\u9700\u8981\u53d1\u9001 HTTP header\u5c31\u80fd\u4ea4\u6362\u6570\u636e<\/span>\uff0c\u8fd9\u663e\u7136\u548c\u539f\u6709\u7684HTTP\u534f\u8bae\u6709\u533a\u522b\u6240\u4ee5\u5b83\u9700\u8981\u5bf9\u670d\u52a1\u5668\u548c\u5ba2\u6237\u7aef\u90fd\u8fdb\u884c\u5347\u7ea7\u624d\u80fd\u5b9e\u73b0\uff08\u4e3b\u6d41\u6d4f\u89c8\u5668\u90fd\u5df2\u652f\u6301HTML5\uff09\u3002\u6b64\u5916\u8fd8\u6709 multiplexing\u3001\u4e0d\u540c\u7684URL\u53ef\u4ee5\u590d\u7528\u540c\u4e00\u4e2aWebSocket\u8fde\u63a5\u7b49\u529f\u80fd\u3002\u8fd9\u4e9b\u90fd\u662fHTTP\u957f\u8fde\u63a5\u4e0d\u80fd\u505a\u5230\u7684\u3002<\/li>\n<\/ul>\n<h6 id=\"WebSocket\u5b66\u4e60-\u534f\u8bae\u6982\u89c8\">\u534f\u8bae\u6982\u89c8<\/h6>\n<p>\u534f\u8bae\u5206\u4e3a\u4e24\u90e8\u5206\uff1a\u201c\u63e1\u624b\u201d \u548c \u201c\u6570\u636e\u4f20\u8f93\u201d\u3002<\/p>\n<p>\u5ba2\u6237\u7aef\u53d1\u51fa\u7684\u63e1\u624b\u4fe1\u606f\u7c7b\u4f3c\uff1a<\/p>\n<div class=\"code panel pdl conf-macro output-block\" data-hasbody=\"true\" data-macro-name=\"code\">\n<div class=\"codeContent panelContent pdl\">\n<div>\n<div id=\"highlighter_301717\" class=\"syntaxhighlighter sh-confluence nogutter java\">\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"code\">\n<div class=\"container\" title=\"Hint: double-click to select code\">\n<div class=\"line number1 index0 alt2\"><code class=\"java plain\">GET \/chat HTTP\/<\/code><code class=\"java value\">1.1<\/code><\/div>\n<div class=\"line number2 index1 alt1\"><code class=\"java plain\">Host: server.example.com<\/code><\/div>\n<div class=\"line number3 index2 alt2\"><code class=\"java plain\">Upgrade: websocket<\/code><\/div>\n<div class=\"line number4 index3 alt1\"><code class=\"java plain\">Connection: Upgrade<\/code><\/div>\n<div class=\"line number5 index4 alt2\"><code class=\"java plain\">Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==<\/code><\/div>\n<div class=\"line number6 index5 alt1\"><code class=\"java plain\">Origin: http:<\/code><code class=\"java comments\">\/\/example.com<\/code><\/div>\n<div class=\"line number7 index6 alt2\"><code class=\"java plain\">Sec-WebSocket-Protocol: chat, superchat<\/code><\/div>\n<div class=\"line number8 index7 alt1\"><code class=\"java plain\">Sec-WebSocket-Version: <\/code><code class=\"java value\">13<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>\u670d\u52a1\u7aef\u56de\u5e94\u7684\u63e1\u624b\u4fe1\u606f\u7c7b\u5f0f\uff1a<\/p>\n<div class=\"code panel pdl conf-macro output-block\" data-hasbody=\"true\" data-macro-name=\"code\">\n<div class=\"codeContent panelContent pdl\">\n<div>\n<div id=\"highlighter_745887\" class=\"syntaxhighlighter sh-confluence nogutter java\">\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"code\">\n<div class=\"container\" title=\"Hint: double-click to select code\">\n<div class=\"line number1 index0 alt2\"><code class=\"java plain\">HTTP\/<\/code><code class=\"java value\">1.1<\/code> <code class=\"java value\">101<\/code> <code class=\"java plain\">Switching Protocols<\/code><\/div>\n<div class=\"line number2 index1 alt1\"><code class=\"java plain\">Upgrade: websocket<\/code><\/div>\n<div class=\"line number3 index2 alt2\"><code class=\"java plain\">Connection: Upgrade<\/code><\/div>\n<div class=\"line number4 index3 alt1\"><code class=\"java plain\">Sec-WebSocket-Accept: s3pPLMBiTxaQ9kYGzzhZRbK+xOo=<\/code><\/div>\n<div class=\"line number5 index4 alt2\"><code class=\"java plain\">Sec-WebSocket-Protocol: chat<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>\u5ba2\u6237\u7aef\u7684\u63e1\u624b\u8bf7\u6c42\u7531 \u8bf7\u6c42\u884c(Request-Line) \u5f00\u59cb\u3002\u5ba2\u6237\u7aef\u7684\u56de\u5e94\u7531 \u72b6\u6001\u884c(Status-Line) \u5f00\u59cb\u3002\u8bf7\u6c42\u884c\u548c\u72b6\u6001\u884c\u7684\u751f\u4ea7\u5f0f\u89c1 RFC2616\u3002<\/p>\n<h6 id=\"WebSocket\u5b66\u4e60-\u5f00\u59cb\u63e1\u624b\">\u5f00\u59cb\u63e1\u624b<\/h6>\n<p><span style=\"color: #ff0000;\">\u63e1\u624b\u90e8\u5206\u7684\u8bbe\u8ba1\u76ee\u7684\u5c31\u662f\u517c\u5bb9\u73b0\u6709\u7684\u57fa\u4e8e HTTP \u7684\u670d\u52a1\u7aef\u7ec4\u4ef6\uff08web \u670d\u52a1\u5668\u8f6f\u4ef6\uff09\u6216\u8005\u4e2d\u95f4\u4ef6\uff08\u4ee3\u7406\u670d\u52a1\u5668\u8f6f\u4ef6\uff09\u3002\u8fd9\u6837\u4e00\u4e2a\u7aef\u53e3\u5c31\u53ef\u4ee5\u540c\u65f6\u63a5\u53d7\u666e\u901a\u7684 HTTP \u8bf7\u6c42\u6216\u5219 WebSocket \u8bf7\u6c42\u4e86\u3002<\/span>\u4e3a\u4e86\u8fd9\u4e2a\u76ee\u7684\uff0cWebSocket \u5ba2\u6237\u7aef\u7684\u63e1\u624b\u662f\u4e00\u4e2a HTTP \u5347\u7ea7\u7248\u7684\u8bf7\u6c42\uff08HTTP Upgrade request\uff09\uff1a<\/p>\n<div class=\"code panel pdl conf-macro output-block\" data-hasbody=\"true\" data-macro-name=\"code\">\n<div class=\"codeContent panelContent pdl\">\n<div>\n<div id=\"highlighter_499445\" class=\"syntaxhighlighter sh-confluence nogutter java\">\n<table border=\"0\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td class=\"code\">\n<div class=\"container\" title=\"Hint: double-click to select code\">\n<div class=\"line number1 index0 alt2\"><code class=\"java plain\">GET \/chat HTTP\/<\/code><code class=\"java value\">1.1<\/code><\/div>\n<div class=\"line number2 index1 alt1\"><code class=\"java plain\">Host: server.example.com<\/code><\/div>\n<div class=\"line number3 index2 alt2\"><code class=\"java plain\">Upgrade: websocket<\/code><\/div>\n<div class=\"line number4 index3 alt1\"><code class=\"java plain\">Connection: Upgrade<\/code><\/div>\n<div class=\"line number5 index4 alt2\"><code class=\"java plain\">Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==<\/code><\/div>\n<div class=\"line number6 index5 alt1\"><code class=\"java plain\">Origin: http:<\/code><code class=\"java comments\">\/\/example.com<\/code><\/div>\n<div class=\"line number7 index6 alt2\"><code class=\"java plain\">Sec-WebSocket-Protocol: chat, superchat<\/code><\/div>\n<div class=\"line number8 index7 alt1\"><code class=\"java plain\">Sec-WebSocket-Version: <\/code><code class=\"java value\">13<\/code><\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<p>\u4e3a\u4e86\u9075\u5faa\u534f\u8bae RFC2616\uff0c\u63e1\u624b\u4e2d\u7684\u5934\u5b57\u6bb5\u662f\u6ca1\u6709\u987a\u5e8f\u8981\u6c42\u7684\u3002<\/p>\n<h6 id=\"WebSocket\u5b66\u4e60-\u5173\u95ed\u63e1\u624b\">\u5173\u95ed\u63e1\u624b<\/h6>\n<p>\u5173\u95ed\u63e1\u624b\u7684\u64cd\u4f5c\u4e5f\u5f88\u7b80\u5355\u3002<\/p>\n<p><span style=\"color: #ff0000;\">\u4efb\u610f\u4e00\u7aef\u90fd\u53ef\u4ee5\u9009\u62e9\u5173\u95ed\u63e1\u624b\u8fc7\u7a0b\u3002<\/span>\u9700\u8981\u5173\u95ed\u63e1\u624b\u7684\u4e00\u65b9\u901a\u8fc7\u53d1\u9001\u4e00\u4e2a\u7279\u5b9a\u7684\u63a7\u5236\u5e8f\u5217\u53bb\u5f00\u59cb\u4e00\u4e2a\u5173\u95ed\u63e1\u624b\u7684\u8fc7\u7a0b\u3002\u4e00\u7aef\u4e00\u65e6\u63a5\u53d7\u5230\u4e86\u6765\u81ea\u53e6\u4e00\u7aef\u7684\u8bf7\u6c42\u5173\u95ed\u63a7\u5236\u5e27\u540e\uff0c\u63a5\u6536\u5230\u5173\u95ed\u8bf7\u6c42\u7684\u4e00\u7aef\u5982\u679c\u8fd8\u6ca1\u6709\u8fd4\u56de\u4e00\u4e2a\u4f5c\u4e3a\u54cd\u5e94\u7684\u5173\u95ed\u5e27\u7684\u8bdd\uff0c\u90a3\u4e48\u5b83\u9700\u8981\u5148\u53d1\u9001\u4e00\u4e2a\u5173\u95ed\u5e27\u3002\u5728\u63a5\u53d7\u5230\u4e86\u5bf9\u65b9\u54cd\u5e94\u7684\u5173\u95ed\u5e27\u4e4b\u540e\uff0c\u53d1\u8d77\u5173\u95ed\u8bf7\u6c42\u7684\u90a3\u4e00\u7aef\u5c31\u53ef\u4ee5\u5173\u95ed\u8fde\u63a5\u4e86\u3002<\/p>\n<p>\u5728\u53d1\u9001\u4e86\u8bf7\u6c42\u5173\u95ed\u63a7\u5236\u5e8f\u5217\u4e4b\u540e\uff0c\u53d1\u9001\u8bf7\u6c42\u7684\u4e00\u7aef\u5c06\u4e0d\u53ef\u4ee5\u518d\u53d1\u9001\u5176\u4ed6\u7684\u6570\u636e\u5185\u5bb9\uff1b\u540c\u6837\u7684\uff0c\u4e00\u4f46\u63a5\u6536\u5230\u4e86\u4e00\u7aef\u7684\u8bf7\u6c42\u5173\u95ed\u63a7\u5236\u5e8f\u5217\u4e4b\u540e\uff0c\u6765\u81ea\u90a3\u4e00\u7aef\u7684\u5176\u4ed6\u6570\u636e\u5185\u5bb9\u5c06\u88ab\u5ffd\u7565\u3002\u6ce8\u610f\u8fd9\u91cc\u7684\u8bf4\u7684\u662f\u6570\u636e\u5185\u5bb9\uff0c\u63a7\u5236\u5e27\u8fd8\u662f\u53ef\u4ee5\u54cd\u5e94\u7684\u3002\u5426\u5219\u5c31\u4e0b\u9762\u4e00\u53e5\u5c31\u6ca1\u6709\u610f\u4e49\u4e86\u3002<\/p>\n<p>\u4e24\u8fb9\u540c\u65f6\u53d1\u8d77\u5173\u95ed\u8bf7\u6c42\u4e5f\u662f\u53ef\u4ee5\u7684\u3002<\/p>\n<p>\u4e4b\u6240\u4ee5\u9700\u8981\u8fd9\u6837\u505a\uff0c\u662f\u56e0\u4e3a\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u53ef\u80fd\u8fd8\u5b58\u5728\u5176\u4ed6\u7684\u4e2d\u95f4\u4ef6\u3002\u4e00\u7aef\u5173\u95ed\u4e4b\u540e\uff0c\u4e5f\u9700\u8981\u901a\u77e5\u53e6\u4e00\u7aef\u4e5f\u548c\u4e2d\u95f4\u4ef6\u65ad\u5f00\u8fde\u63a5\u3002<\/p>\n<h6 id=\"WebSocket\u5b66\u4e60-WebSocket\u7684\u8bbe\u8ba1\u7406\u5ff5\">WebSocket\u7684\u8bbe\u8ba1\u7406\u5ff5<\/h6>\n<p>WebSocket \u534f\u8bae\u7684\u8bbe\u8ba1\u7406\u5ff5\u5c31\u662f\u63d0\u4f9b\u6781\u5c0f\u7684\u5e27\u7ed3\u6784\uff08\u5e27\u7ed3\u6784\u5b58\u5728\u7684\u76ee\u7684\u5c31\u662f\u4f7f\u5f97\u534f\u8bae\u662f\u57fa\u4e8e\u5e27\u7684\uff0c\u800c\u4e0d\u662f\u57fa\u4e8e\u6d41\u7684\uff0c\u540c\u65f6\u5e27\u53ef\u4ee5\u533a\u5206 Unicode \u6587\u672c\u548c\u4e8c\u8fdb\u5236\u7684\u6570\u636e\uff09\u3002\u5b83\u671f\u671b\u53ef\u4ee5\u5728\u5e94\u7528\u5c42\u4e2d\u4f7f\u5f97\u5143\u6570\u636e\u53ef\u4ee5\u88ab\u653e\u7f6e\u5230 WebSocket \u5c42\u4e0a\uff0c\u4e5f\u5c31\u662f\u8bf4\uff0c\u7ed9\u5e94\u7528\u5c42\u63d0\u4f9b\u4e00\u4e2a\u5c06\u6570\u636e\u76f4\u63a5\u653e\u5728 TCP \u5c42\u4e0a\u7684\u673a\u4f1a\uff0c\u518d\u7b80\u5355\u7684\u8bf4\u5c31\u53ef\u4ee5\u7ed9\u6d4f\u89c8\u5668\u811a\u672c\u63d0\u4f9b\u4e00\u4e2a\u4f7f\u7528\u53d7\u9650\u7684 Raw TCP \u7684\u673a\u4f1a\u3002<\/p>\n<p>\u4ece\u6982\u5ff5\u4e0a\u6765\u8bf4\uff0cWebSocket \u53ea\u662f\u4e00\u4e2a\u5efa\u7acb\u4e8e TCP \u4e4b\u4e0a\u7684\u5c42\uff0c\u5b83\u63d0\u4f9b\u4e86\u4e0b\u9762\u7684\u529f\u80fd\uff1a<\/p>\n<ol>\n<li>\u7ed9\u6d4f\u89c8\u5668\u63d0\u4f9b\u4e86\u4e00\u4e2a\u57fa\u4e8e\u6e90\u7684\u5b89\u5168\u6a21\u578b\uff08origin-based security model\uff09<\/li>\n<li>\u7ed9\u534f\u8bae\u63d0\u4f9b\u4e86\u4e00\u4e2a\u9009\u5740\u7684\u673a\u5236\uff0c\u4f7f\u5f97\u5728\u540c\u4e00\u4e2a\u7aef\u53e3\u4e0a\u53ef\u4ee5\u521b\u7acb\u591a\u4e2a\u670d\u52a1\uff0c\u5e76\u4e14\u5c06\u591a\u4e2a\u57df\u540d\u5173\u8054\u5230\u540c\u4e00\u4e2a IP<\/li>\n<li>\u5728 TCP \u5c42\u4e4b\u4e0a\u63d0\u4f9b\u4e86\u4e00\u4e2a\u7c7b\u4f3c TCP \u4e2d\u7684\u5e27\u7684\u673a\u5236\uff0c\u4f46\u662f\u6ca1\u6709\u957f\u5ea6\u7684\u9650\u5236<\/li>\n<li>\u63d0\u4f9b\u4e86\u5173\u95ed\u63e1\u624b\u7684\u65b9\u5f0f\uff0c\u4ee5\u9002\u5e94\u5b58\u5728\u4e2d\u95f4\u4ef6\u7684\u60c5\u51b5<\/li>\n<\/ol>\n<p>\u4ece\u6982\u5ff5\u4e0a\u5c06\uff0c\u5c31\u53ea\u6709\u4e0a\u8ff0\u7684\u51e0\u4e2a\u7528\u5904\u3002\u4e0d\u8fc7 WebSocket \u53ef\u4ee5\u5f88\u597d\u7684\u548c HTTP \u534f\u8bae\u4e00\u540c\u534f\u4f5c\uff0c\u5e76\u4e14\u53ef\u4ee5\u5145\u5206\u7684\u5229\u7528\u73b0\u6709\u7684 Web \u57fa\u7840\u8bbe\u65bd\uff0c\u6bd4\u5982\u4ee3\u7406\u3002WebSocket \u7684\u76ee\u7684\u5c31\u662f\u8ba9\u7b80\u5355\u7684\u4e8b\u60c5\u53d8\u5f97\u66f4\u52a0\u7684\u7b80\u5355\u3002<\/p>\n<h6 id=\"WebSocket\u5b66\u4e60-WebSocket\u548cTCP\u4ee5\u53caHTTP\u4e4b\u95f4\u7684\u5173\u7cfb\">WebSocket \u548c TCP \u4ee5\u53ca HTTP \u4e4b\u95f4\u7684\u5173\u7cfb<\/h6>\n<p>WebSocket \u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u57fa\u4e8e TCP \u7684\u534f\u8bae\uff0c\u5b83\u4e0e HTTP \u4e4b\u95f4\u7684\u552f\u4e00\u5173\u7cfb\u5c31\u662f\u5b83\u7684\u63e1\u624b\u8bf7\u6c42\u53ef\u4ee5\u4f5c\u4e3a\u4e00\u4e2a\u5347\u7ea7\u8bf7\u6c42\uff08Upgrade request\uff09\u7ecf\u7531 HTTP \u670d\u52a1\u5668\u89e3\u91ca\uff08\u4e5f\u5c31\u662f\u53ef\u4ee5\u4f7f\u7528 Nginx \u53cd\u5411\u4ee3\u7406\u4e00\u4e2a WebSocket\uff09\u3002<\/p>\n<p>\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cWebSocket \u534f\u8bae\u4f7f\u7528 80 \u7aef\u53e3\u4f5c\u4e3a\u4e00\u822c\u8bf7\u6c42\u7684\u7aef\u53e3\uff0c\u7aef\u53e3 443 \u4f5c\u4e3a\u57fa\u4e8e\u4f20\u8f93\u52a0\u5bc6\u5c42\u8fde\uff08TLS\uff09RFC2818 \u63a5\u7684\u7aef\u53e3\u3002<\/p>\n<h5 id=\"WebSocket\u5b66\u4e60-\u53c2\u8003\u94fe\u63a5\uff1a\">\u53c2\u8003\u94fe\u63a5\uff1a<\/h5>\n<p>WebSocket \u662f\u4ec0\u4e48\u539f\u7406\uff1f\u4e3a\u4ec0\u4e48\u53ef\u4ee5\u5b9e\u73b0\u6301\u4e45\u8fde\u63a5\uff1f<br \/>\n<a class=\"external-link\" href=\"https:\/\/www.zhihu.com\/question\/20215561\" rel=\"nofollow\">https:\/\/www.zhihu.com\/question\/20215561<\/a><\/p>\n<p>WebSocket \u534f\u8bae 1~4 \u8282<br \/>\n<a class=\"external-link\" href=\"http:\/\/www.jianshu.com\/p\/867274a5e054\" rel=\"nofollow\">http:\/\/www.jianshu.com\/p\/867274a5e054<\/a><\/p>\n<p>WebSocket<br \/>\n<a class=\"external-link\" href=\"https:\/\/zh.wikipedia.org\/wiki\/WebSocket\" rel=\"nofollow\">https:\/\/zh.wikipedia.org\/wiki\/WebSocket<\/a><\/p>\n<p>Websocket\u534f\u8bae\u7684\u5b66\u4e60\u3001\u8c03\u7814\u548c\u5b9e\u73b0<br \/>\n<a class=\"external-link\" href=\"http:\/\/www.cnblogs.com\/lizhenghn\/p\/5155933.html\" rel=\"nofollow\">http:\/\/www.cnblogs.com\/lizhenghn\/p\/5155933.html<\/a><br \/>\n<a class=\"external-link\" href=\"http:\/\/cpper.info\/2016\/01\/24\/websocket.html\" rel=\"nofollow\">http:\/\/cpper.info\/2016\/01\/24\/websocket.html<\/a><\/p>\n<p>\u5b66\u4e60WebSocket\u534f\u8bae\u2014\u4ece\u9876\u5c42\u5230\u5e95\u5c42\u7684\u5b9e\u73b0\u539f\u7406\uff08\u4fee\u8ba2\u7248\uff09 #22<br \/>\n<a class=\"external-link\" href=\"https:\/\/github.com\/abbshr\/abbshr.github.io\/issues\/22\" rel=\"nofollow\">https:\/\/github.com\/abbshr\/abbshr.github.io\/issues\/22<\/a><\/p>\n<p>WebSocket\u539f\u7406\u8bf4\u660e<br \/>\n<a class=\"external-link\" href=\"https:\/\/www.qcloud.com\/document\/product\/214\/4150\" rel=\"nofollow\">https:\/\/www.qcloud.com\/document\/product\/214\/4150<\/a><\/p>\n<p>WebSocket \u5b9e\u6218<br \/>\n<a class=\"external-link\" href=\"https:\/\/www.ibm.com\/developerworks\/cn\/java\/j-lo-WebSocket\/\" rel=\"nofollow\">https:\/\/www.ibm.com\/developerworks\/cn\/java\/j-lo-WebSocket\/<\/a><\/p>\n<p>WebSocket<br \/>\n<a class=\"external-link\" href=\"http:\/\/www.liaoxuefeng.com\/wiki\/001434446689867b27157e896e74d51a89c25cc8b43bdb3000\/001472780997905c8f293615c5a42eab058b6dc29936a5c000\" rel=\"nofollow\">http:\/\/www.liaoxuefeng.com\/wiki\/001434446689867b27157e896e74d51a89c25cc8b43bdb3000\/001472780997905c8f293615c5a42eab058b6dc29936a5c000<\/a><\/p>\n<p>Websocket \u534f\u8bae\u89e3\u6790<br \/>\n<a class=\"external-link\" href=\"http:\/\/www.king-liu.net\/?p=772\" rel=\"nofollow\">http:\/\/www.king-liu.net\/?p=772<\/a><\/p>\n<p>=END=<\/p>\n","protected":false},"excerpt":{"rendered":"<p>=Start= \u7f18\u7531\uff1a \u4e4b\u524d\u53ea\u662f\u7b80\u5355\u542c\u8bf4\u8fc7WebSocket\u8fd9\u4e2a\u540d\u8bcd\uff0c\u4f46\u662f\u4e00\u76f4\u90fd\u4e0d\u6e05\u695a\u5b83\u5230\u5e95\u662f\u4e2a\u4ec0\u4e48\u4e1c\u897f\uff0c\u4eca\u5929 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[22,795,796],"class_list":["post-3298","post","type-post","status-publish","format-standard","hentry","category-knowledgebase-2","tag-http","tag-websocket","tag-796"],"views":7081,"_links":{"self":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3298","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/comments?post=3298"}],"version-history":[{"count":2,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3298\/revisions"}],"predecessor-version":[{"id":3301,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/posts\/3298\/revisions\/3301"}],"wp:attachment":[{"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/media?parent=3298"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/categories?post=3298"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ixyzero.com\/blog\/wp-json\/wp\/v2\/tags?post=3298"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}