{"id":166,"date":"2026-01-18T21:54:00","date_gmt":"2026-01-18T13:54:00","guid":{"rendered":"https:\/\/mitongxue.cn\/?p=166"},"modified":"2026-06-03T22:06:17","modified_gmt":"2026-06-03T14:06:17","slug":"websocket","status":"publish","type":"post","link":"https:\/\/mitongxue.cn\/index.php\/2026\/01\/18\/websocket\/","title":{"rendered":"WebSocket"},"content":{"rendered":"\n<pre class=\"wp-block-code\"><code>WebSocket\u534f\u8bae\uff08rfc6455\uff09\u539f\u6587\u5730\u5740\uff1a\n\nhttps:&#47;&#47;datatracker.ietf.org\/doc\/html\/rfc6455<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">websocket \u534f\u8bae HTML5 \u5e26\u6765\u7684\u65b0\u534f\u8bae\uff0c\u76f8\u5bf9\u4e8e http\uff0c\u5b83\u662f\u4e00\u4e2a\u6301\u4e45\u8fde\u63a5\u7684\u534f\u8bae\uff0c\u5b83\u5229\u7528 http \u534f\u8bae\u5b8c\u6210\u63e1\u624b\uff0c\u7136\u540e\u901a\u8fc7 TCP \u8fde\u63a5\u901a\u9053\u53d1\u9001\u6d88\u606f\uff0c\u4f7f\u7528 websocket \u534f\u8bae\u53ef\u4ee5\u5b9e\u73b0\u670d\u52a1\u5668\u4e3b\u52a8\u63a8\u9001\u6d88\u606f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u9996\u5148\uff0c\u5ba2\u6237\u7aef\u82e5\u8981\u53d1\u8d77 websocket \u8fde\u63a5\uff0c\u9996\u5148\u5fc5\u987b\u5411\u670d\u52a1\u5668\u53d1\u9001 http \u8bf7\u6c42\u4ee5\u5b8c\u6210\u63e1\u624b\uff0c\u8bf7\u6c42\u884c\u4e2d\u7684 path \u9700\u8981\u4f7f\u7528<code>ws:<\/code>\u5f00\u5934\u7684\u5730\u5740\uff0c\u8bf7\u6c42\u5934\u4e2d\u8981\u5206\u522b\u52a0\u5165<code>upgrade\u3001connection\u3001Sec-WebSocket-Key\u3001Sec-WebSocket-Version<\/code>\u6807\u8bb0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7136\u540e\uff0c\u670d\u52a1\u5668\u6536\u5230\u8bf7\u6c42\u540e\uff0c\u53d1\u73b0\u8fd9\u662f\u4e00\u4e2a websocket \u534f\u8bae\u7684\u63e1\u624b\u8bf7\u6c42\uff0c\u4e8e\u662f\u54cd\u5e94\u884c\u4e2d\u5305\u542b<code>Switching Protocols<\/code>\uff0c\u540c\u65f6\u54cd\u5e94\u5934\u4e2d\u5305\u542b<code>upgrade\u3001connection\u3001Sec-WebSocket-Accept<\/code>\u6807\u8bb0<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u5ba2\u6237\u7aef\u6536\u5230\u54cd\u5e94\u540e\u5373\u53ef\u5b8c\u6210\u63e1\u624b\uff0c\u968f\u540e\u4f7f\u7528\u5efa\u7acb\u7684 TCP \u8fde\u63a5\u76f4\u63a5\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u7531\u4e8eHTTP\u534f\u8bae\u662f\u8bf7\u6c42-\u54cd\u5e94\u6a21\u5f0f\uff0c\u8bf7\u6c42\u5fc5\u987b\u5728\u524d\uff0c\u54cd\u5e94\u5fc5\u987b\u5728\u540e\uff0c\u8fd9\u5c31\u5bfc\u81f4\u4e86\u670d\u52a1\u5668\u65e0\u6cd5\u300c\u4e3b\u52a8\u300d\u7684\u628a\u6d88\u606f\u544a\u8bc9\u5ba2\u6237\u7aef\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u5e38\u7528\u65b9\u6848\uff1a<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u77ed\u8f6e\u8be2 short polling<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u5ba2\u6237\u7aef\u6bcf\u9694\u4e00\u5c0f\u6bb5\u65f6\u95f4\u5c31\u5411\u670d\u52a1\u5668\u8bf7\u6c42\u4e00\u6b21\uff0c\u8be2\u95ee\u6709\u6ca1\u6709\u65b0\u6d88\u606f<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5b9e\u73b0\u77ed\u8f6e\u8be2\u662f\u975e\u5e38\u7b80\u5355\u7684\uff0c\u5ba2\u6237\u7aef\u53ea\u9700\u8981\u8bbe\u7f6e\u4e00\u4e2a\u8ba1\u65f6\u5668\u4e0d\u65ad\u53d1\u9001\u8bf7\u6c42\u5373\u53ef<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u8fd9\u79cd\u65b9\u6848\u7684\u7f3a\u9677\u662f\u975e\u5e38\u660e\u663e\u7684\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4f1a\u4ea7\u751f\u5927\u91cf\u65e0\u610f\u4e49\u7684\u8bf7\u6c42<\/li>\n\n\n\n<li>\u4f1a\u9891\u7e41\u6253\u5f00\u5173\u95ed\u8fde\u63a5<\/li>\n\n\n\n<li>\u5b9e\u65f6\u6027\u5e76\u4e0d\u9ad8<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">\u957f\u8f6e\u8be2 long polling<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">\u957f\u8f6e\u8be2\u6709\u6548\u7684\u89e3\u51b3\u4e86\u300c\u8bdd\u75e8\u95ee\u9898\u300d\uff0c\u8ba9\u6bcf\u4e00\u6b21\u8bf7\u6c42\u548c\u54cd\u5e94\u90fd\u662f\u6709\u610f\u4e49\u7684<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u4f46\u957f\u8f6e\u8be2\u4ecd\u7136\u5b58\u5728\u95ee\u9898\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5ba2\u6237\u7aef\u957f\u65f6\u95f4\u6536\u4e0d\u5230\u54cd\u5e94\u4f1a\u5bfc\u81f4\u8d85\u65f6\uff0c\u4ece\u800c\u4e3b\u52a8\u65ad\u5f00\u548c\u670d\u52a1\u5668\u7684\u8fde\u63a5\u8fd9\u79cd\u60c5\u51b5\u662f\u53ef\u4ee5\u5904\u7406\u7684\uff0c\u4f46ajax\u8bf7\u6c42\u56e0\u4e3a\u8d85\u65f6\u800c\u7ed3\u675f\u65f6\uff0c\u7acb\u5373\u91cd\u65b0\u53d1\u9001\u8bf7\u6c42\u5230\u670d\u52a1\u5668\u867d\u7136\u8fd9\u79cd\u505a\u6cd5\u4f1a\u8ba9\u4e4b\u524d\u7684\u8bf7\u6c42\u53d8\u5f97\u65e0\u610f\u4e49\uff0c\u4f46\u6bd5\u7adf\u6bd4\u77ed\u8f6e\u8be2\u597d\u591a\u4e86<\/li>\n\n\n\n<li>\u7531\u4e8e\u5ba2\u6237\u7aef\u53ef\u80fd\u300c\u8fc7\u65e9\u7684\u300d\u8bf7\u6c42\u4e86\u670d\u52a1\u5668\uff0c\u670d\u52a1\u5668\u4e0d\u5f97\u4e0d\u6302\u8d77\u8fd9\u4e2a\u8bf7\u6c42\u76f4\u5230\u65b0\u6d88\u606f\u7684\u51fa\u73b0\u3002\u8fd9\u4f1a\u8ba9\u670d\u52a1\u5668\u957f\u65f6\u95f4\u7684\u5360\u7528\u8d44\u6e90\u5374\u6ca1\u4ec0\u4e48\u5b9e\u9645\u7684\u4e8b\u60c5\u53ef\u505a\u3002<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">WebSocket<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>WebSocket\u4e5f\u662f\u5efa\u7acb\u5728TCP\u534f\u8bae\u4e4b\u4e0a\u7684\uff0c\u5229\u7528\u7684\u662fTCP\u5168\u53cc\u5de5\u901a\u4fe1\u7684\u80fd\u529b<\/li>\n\n\n\n<li>\u4f7f\u7528WebSocket\uff0c\u4f1a\u7ecf\u5386\u4e24\u4e2a\u9636\u6bb5\uff1a\u63e1\u624b\u9636\u6bb5\u3001\u901a\u4fe1\u9636\u6bb5<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u867d\u7136\u4f18\u4e8e\u8f6e\u8be2\u65b9\u6848\uff0c\u4f46WebSocket\u4ecd\u7136\u662f\u6709\u7f3a\u70b9\u7684\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u517c\u5bb9\u6027WebSocket\u662fHTML5\u65b0\u589e\u7684\u5185\u5bb9\uff0c\u56e0\u6b64\u53e4\u8463\u7248\u672c\u7684\u6d4f\u89c8\u5668\u5e76\u4e0d\u652f\u6301<\/li>\n\n\n\n<li>\u7ef4\u6301TCP\u8fde\u63a5\u9700\u8981\u8017\u8d39\u8d44\u6e90\u5bf9\u4e8e\u90a3\u4e9b\u6d88\u606f\u91cf\u5c11\u7684\u573a\u666f\uff0c\u7ef4\u6301TCP\u8fde\u63a5\u786e\u5b9e\u4f1a\u9020\u6210\u8d44\u6e90\u7684\u6d6a\u8d39<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">\u5f53\u5ba2\u6237\u7aef\u9700\u8981\u548c\u670d\u52a1\u5668\u4f7f\u7528WebSocket\u8fdb\u884c\u901a\u4fe1\u65f6\uff0c\u9996\u5148\u4f1a\u4f7f\u7528<strong>HTTP\u534f\u8bae<\/strong>\u5b8c\u6210\u4e00\u6b21\u7279\u6b8a\u7684\u8bf7\u6c42-\u54cd\u5e94\uff0c\u8fd9\u4e00\u6b21\u8bf7\u6c42-\u54cd\u5e94\u5c31\u662f<strong>WebSocket\u63e1\u624b<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5728\u63e1\u624b\u9636\u6bb5\uff0c\u9996\u5148\u7531\u5ba2\u6237\u7aef\u5411\u670d\u52a1\u5668\u53d1\u9001\u4e00\u4e2a\u8bf7\u6c42\uff0c\u8bf7\u6c42\u5730\u5740\u683c\u5f0f\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code># \u4f7f\u7528HTTP\nws:\/\/mysite.com\/path\n# \u4f7f\u7528HTTPS\nwss:\/\/mysite.com\/path<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u8bf7\u6c42\u5934\u5982\u4e0b\uff1a<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>Connection: Upgrade \/* \u5347\u7ea7 *\/\nUpgrade: websocket \/* \u6211\u4eec\u628a\u540e\u7eed\u7684\u534f\u8bae\u5347\u7ea7\u4e3awebsocket *\/\nSec-WebSocket-Version: 13 \/* websocket\u534f\u8bae\u7248\u672c\u5c31\u752813\u597d\u5417\uff1f *\/\nSec-WebSocket-Key: YWJzZmFkZmFzZmRhYw== \/* \u6697\u53f7\uff1axxx *\/<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\">\u670d\u52a1\u5668\u5982\u679c\u540c\u610f\uff0c\u5c31\u5e94\u8be5\u54cd\u5e94\u4e0b\u9762\u7684\u6d88\u606f<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>HTTP\/1.1 101 Switching Protocols \/* \u6362\uff0c\u9a6c\u4e0a\u6362\u534f\u8bae *\/\nConnection: Upgrade \/* \u534f\u8bae\u5347\u7ea7\u4e86 *\/\nUpgrade: websocket \/* \u5347\u7ea7\u5230websocket *\/\nSec-WebSocket-Accept: ZzIzMzQ1Z2V3NDUyMzIzNGVy \/* \u6697\u53f7\uff1axxx *\/<\/code><\/pre>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u63e1\u624b\u5b8c\u6210\uff0c\u540e\u7eed\u6d88\u606f\u6536\u53d1\u4e0d\u518d\u4f7f\u7528HTTP\uff0c\u4efb\u4f55\u4e00\u65b9\u90fd\u53ef\u4ee5\u4e3b\u52a8\u53d1\u6d88\u606f\u7ed9\u5bf9\u65b9<\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>websocket \u534f\u8bae HTML5 \u5e26\u6765\u7684\u65b0\u534f\u8bae..<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-166","post","type-post","status-publish","format-standard","hentry","category-front"],"featured_image_urls":{"full":"","thumbnail":"","medium":"","medium_large":"","large":"","1536x1536":"","2048x2048":""},"author_info":{"info":["\u9648 \u67d0\u4eba"]},"category_info":"<a href=\"https:\/\/mitongxue.cn\/index.php\/category\/front\/\" rel=\"category tag\">\u524d\u7aef<\/a>","tag_info":"\u524d\u7aef","comment_count":"0","_links":{"self":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/166","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/comments?post=166"}],"version-history":[{"count":1,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/166\/revisions"}],"predecessor-version":[{"id":167,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/posts\/166\/revisions\/167"}],"wp:attachment":[{"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/media?parent=166"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/categories?post=166"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mitongxue.cn\/index.php\/wp-json\/wp\/v2\/tags?post=166"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}