{"id":40114,"date":"2025-05-27T18:36:16","date_gmt":"2025-05-27T10:36:16","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/40114.html"},"modified":"2025-05-27T18:36:16","modified_gmt":"2025-05-27T10:36:16","slug":"django-%e7%94%9f%e6%80%81%e6%a0%b8%e5%bf%83%e6%8a%80%e6%9c%af%e6%b7%b1%e5%ba%a6%e8%a7%a3%e6%9e%90%ef%bc%9a%e4%bb%8e%e6%9c%8d%e5%8a%a1%e5%99%a8%e5%88%b0%e5%ae%9e%e6%97%b6%e9%80%9a%e4%bf%a1%e5%85%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/40114.html","title":{"rendered":"Django \u751f\u6001\u6838\u5fc3\u6280\u672f\u6df1\u5ea6\u89e3\u6790\uff1a\u4ece\u670d\u52a1\u5668\u5230\u5b9e\u65f6\u901a\u4fe1\u5168\u653b\u7565"},"content":{"rendered":"<h2>\u7b2c\u4e00\u7bc7&#xff1a;Django \u670d\u52a1\u5668\u9009\u578b\u6838\u5fc3&#xff1a;Daphne \u4e0e\u5f00\u53d1\u5de5\u5177\u5bf9\u6bd4<\/h2>\n<h5>\u4e00\u3001Daphne \u7684\u5b9a\u4f4d&#xff1a;ASGI \u65f6\u4ee3\u7684\u5f02\u6b65\u5148\u950b<\/h5>\n<ul>\n<li>\u6838\u5fc3\u80fd\u529b&#xff1a; \u2705 \u539f\u751f\u652f\u6301 ASGI \u534f\u8bae&#xff0c;\u5904\u7406\u5f02\u6b65\u89c6\u56fe\u3001WebSocket \u2705 \u5355\u7ebf\u7a0b\u534f\u7a0b\u6a21\u578b&#xff0c;\u9ad8\u5e76\u53d1\u4e0b\u65e0\u963b\u585e&#xff08;QPS \u53ef\u8fbe WSGI \u670d\u52a1\u5668 2-3 \u500d&#xff09; \u2705 \u6807\u914d Django Channels&#xff0c;\u5b9e\u73b0\u5b9e\u65f6\u901a\u4fe1&#xff08;\u5982\u804a\u5929\u3001\u534f\u4f5c\u5de5\u5177&#xff09;<\/li>\n<\/ul>\n<h5>\u4e8c\u3001\u670d\u52a1\u5668\u5bf9\u6bd4&#xff1a;\u4e00\u5f20\u8868\u770b\u61c2\u5dee\u5f02<\/h5>\n<table>\n<tr>\u670d\u52a1\u5668\u7c7b\u578b\u4ee3\u8868\u5de5\u5177\u534f\u8bae\u652f\u6301\u5f02\u6b65\u80fd\u529b\u5178\u578b\u573a\u666f<\/tr>\n<tbody>\n<tr>\n<td>\u5f00\u53d1\u670d\u52a1\u5668<\/td>\n<td>runserver<\/td>\n<td>HTTP<\/td>\n<td>\u274c<\/td>\n<td>\u672c\u5730\u8c03\u8bd5&#xff08;\u81ea\u52a8\u91cd\u8f7d&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>WSGI \u670d\u52a1\u5668<\/td>\n<td>Gunicorn<\/td>\n<td>WSGI<\/td>\n<td>\u274c<\/td>\n<td>\u4f20\u7edf\u540c\u6b65 Django \u9879\u76ee<\/td>\n<\/tr>\n<tr>\n<td>ASGI \u670d\u52a1\u5668<\/td>\n<td>Daphne<\/td>\n<td>ASGI\/WS<\/td>\n<td>\u2705<\/td>\n<td>\u5f02\u6b65 API\u3001WebSocket \u5e94\u7528<\/td>\n<\/tr>\n<tr>\n<td>\u53cd\u5411\u4ee3\u7406<\/td>\n<td>Nginx<\/td>\n<td>HTTP\/WS<\/td>\n<td>\u274c<\/td>\n<td>\u8d1f\u8f7d\u5747\u8861\u3001\u9759\u6001\u6587\u4ef6\u670d\u52a1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>\u4e09\u3001\u5f00\u53d1 vs \u751f\u4ea7&#xff1a;\u4e3a\u4ec0\u4e48\u4e0d\u80fd\u7528 runserver \u4e0a\u7ebf&#xff1f;<\/h5>\n<table>\n<tr>\u7279\u6027\u5f00\u53d1\u670d\u52a1\u5668 (runserver)\u751f\u4ea7\u670d\u52a1\u5668 (Daphne\/Gunicorn)<\/tr>\n<tbody>\n<tr>\n<td>\u6027\u80fd<\/td>\n<td>\u5355\u7ebf\u7a0b\u540c\u6b65&#xff0c;\u4ec5\u652f\u6301 1 \u4e2a\u8bf7\u6c42\/\u79d2<\/td>\n<td>\u591a\u8fdb\u7a0b\/\u534f\u7a0b&#xff0c;\u652f\u6301\u4e07\u7ea7\u5e76\u53d1<\/td>\n<\/tr>\n<tr>\n<td>\u5b89\u5168\u6027<\/td>\n<td>\u66b4\u9732\u8c03\u8bd5\u4fe1\u606f&#xff0c;\u65e0\u9632\u62a4<\/td>\n<td>\u652f\u6301 HTTPS\u3001\u9650\u6d41\u3001\u6743\u9650\u63a7\u5236<\/td>\n<\/tr>\n<tr>\n<td>\u534f\u8bae\u652f\u6301<\/td>\n<td>\u4ec5 HTTP<\/td>\n<td>\u652f\u6301 WebSocket\u3001HTTP\/2 \u7b49<\/td>\n<\/tr>\n<tr>\n<td>\u9002\u7528\u573a\u666f<\/td>\n<td>\u5355\u4eba\u5f00\u53d1\u6d4b\u8bd5<\/td>\n<td>\u5343\u4e07\u7ea7\u7528\u6237\u91cf\u7684\u751f\u4ea7\u73af\u5883<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5173\u952e\u7ed3\u8bba&#xff1a;\u5f00\u53d1\u7528 runserver \u56fe\u4fbf\u6377&#xff0c;\u751f\u4ea7\u5fc5\u987b\u7528 Daphne&#xff08;\u5f02\u6b65&#xff09;&#043; Nginx \u6216 Gunicorn&#xff08;\u540c\u6b65&#xff09;&#043; Nginx<\/p>\n<h2>\u7b2c\u4e8c\u7bc7&#xff1a;WSGI vs ASGI&#xff1a;\u4ece\u540c\u6b65\u5230\u5f02\u6b65\u7684\u5e95\u5c42\u9769\u547d<\/h2>\n<h5>\u4e00\u3001\u4e00\u5f20\u56fe\u770b\u61c2\u534f\u8bae\u672c\u8d28<\/h5>\n<p>graph LR<br \/>\n    A[\u5ba2\u6237\u7aef\u8bf7\u6c42] &#8211;&gt; B{\u534f\u8bae\u7c7b\u578b}<br \/>\n    B &#8211;&gt;|HTTP\/1.1| C[WSGI\u670d\u52a1\u5668 &#8211;&gt; \u540c\u6b65\u5e94\u7528]<br \/>\n    B &#8211;&gt;|WebSocket\/HTTP\/2| D[ASGI\u670d\u52a1\u5668 &#8211;&gt; \u5f02\u6b65\u5e94\u7528]<\/p>\n<h5>\u4e8c\u3001\u6838\u5fc3\u5dee\u5f02\u5bf9\u6bd4<\/h5>\n<table>\n<tr>\u7ef4\u5ea6WSGIASGI<\/tr>\n<tbody>\n<tr>\n<td>\u8bde\u751f\u65f6\u95f4<\/td>\n<td>2003\u5e74&#xff08;Python 2 \u65f6\u4ee3&#xff09;<\/td>\n<td>2016\u5e74&#xff08;Python 3.5&#043; \u65f6\u4ee3&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5904\u7406\u6a21\u578b<\/td>\n<td>\u540c\u6b65\u963b\u585e&#xff08;\u6bcf\u4e2a\u8bf7\u6c42\u72ec\u5360\u7ebf\u7a0b&#xff09;<\/td>\n<td>\u5f02\u6b65\u975e\u963b\u585e&#xff08;\u534f\u7a0b\u590d\u7528\u5355\u7ebf\u7a0b&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u534f\u8bae\u652f\u6301<\/td>\n<td>\u4ec5 HTTP<\/td>\n<td>HTTP\u3001WebSocket\u3001MQTT \u7b49<\/td>\n<\/tr>\n<tr>\n<td>\u5178\u578b\u6846\u67b6<\/td>\n<td>Django&#xff08;\u540c\u6b65\u6a21\u5f0f&#xff09;\u3001Flask<\/td>\n<td>Django Channels\u3001FastAPI<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>\u4e09\u3001\u4e3a\u4ec0\u4e48 ASGI \u662f\u672a\u6765&#xff1f;<\/h5>\n<ul>\n<li>\n<p>\u573a\u666f\u75db\u70b9&#xff1a; \u274c WSGI \u5904\u7406 WebSocket \u9700\u989d\u5916\u7ec4\u4ef6&#xff08;\u5982 gevent&#xff09;&#xff0c;\u590d\u6742\u5ea6\u9ad8 \u2705 ASGI \u539f\u751f\u652f\u6301\u957f\u8fde\u63a5&#xff0c;Django Channels \u53ef\u76f4\u63a5\u5b9e\u73b0\u5b9e\u65f6\u804a\u5929<\/p>\n<\/li>\n<li>\n<p>\u6027\u80fd\u5bf9\u6bd4&#xff1a;<\/p>\n<ul>\n<li>\u540c\u6b65\u63a5\u53e3&#xff08;WSGI&#xff09;&#xff1a;1000 \u5e76\u53d1\u4e0b\u5ef6\u8fdf\u8fbe 500ms<\/li>\n<li>\u5f02\u6b65\u63a5\u53e3&#xff08;ASGI&#xff09;&#xff1a;1000 \u5e76\u53d1\u4e0b\u5ef6\u8fdf\u4ec5 50ms&#xff08;IO \u5bc6\u96c6\u573a\u666f&#xff09;<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u7b2c\u4e09\u7bc7&#xff1a;Django Channels&#xff1a;\u7ed9 Django \u63d2\u4e0a\u5b9e\u65f6\u901a\u4fe1\u7684\u7fc5\u8180<\/h2>\n<h5>\u4e00\u3001\u4e00\u53e5\u8bdd\u7406\u89e3&#xff1a;Django \u7684\u300c\u5b9e\u65f6\u589e\u5f3a\u5305\u300d<\/h5>\n<ul>\n<li>\u6838\u5fc3\u529f\u80fd&#xff1a; \u2705 \u5f02\u6b65\u89c6\u56fe&#xff1a;\u7528 async def \u5b9a\u4e49\u89c6\u56fe&#xff0c;\u652f\u6301\u6570\u636e\u5e93\u5f02\u6b65\u67e5\u8be2 \u2705 WebSocket \u652f\u6301&#xff1a;\u5185\u7f6e AsyncWebsocketConsumer&#xff0c;10 \u884c\u4ee3\u7801\u5b9e\u73b0\u804a\u5929\u529f\u80fd \u2705 \u5206\u5e03\u5f0f\u4efb\u52a1&#xff1a;\u901a\u8fc7 Redis \u901a\u9053\u5c42\u5b9e\u73b0\u8de8\u8fdb\u7a0b\u901a\u4fe1<\/li>\n<\/ul>\n<h5>\u4e8c\u3001\u4f20\u7edf Django vs Channels&#xff1a;\u573a\u666f\u5212\u5206<\/h5>\n<table>\n<tr>\u529f\u80fd\u6a21\u5757\u4f20\u7edf Django&#xff08;WSGI&#xff09;Django &#043; Channels&#xff08;ASGI&#xff09;<\/tr>\n<tbody>\n<tr>\n<td>\u7528\u6237\u6ce8\u518c\/\u767b\u5f55<\/td>\n<td>\u2705 \u540c\u6b65\u5904\u7406<\/td>\n<td>\u2705 \u517c\u5bb9\u540c\u6b65<\/td>\n<\/tr>\n<tr>\n<td>\u5546\u54c1\u8be6\u60c5\u9875<\/td>\n<td>\u2705 \u6a21\u677f\u6e32\u67d3<\/td>\n<td>\u2705 \u6a21\u677f\u6e32\u67d3<\/td>\n<\/tr>\n<tr>\n<td>\u5b9e\u65f6\u804a\u5929<\/td>\n<td>\u274c \u9700\u8f6e\u8be2&#xff08;\u5ef6\u8fdf\u9ad8&#xff09;<\/td>\n<td>\u2705 WebSocket \u957f\u8fde\u63a5&#xff08;\u4f4e\u5ef6\u8fdf&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5f02\u6b65\u4efb\u52a1\u961f\u5217<\/td>\n<td>\u274c \u9700 Celery \u5355\u72ec\u96c6\u6210<\/td>\n<td>\u2705 \u5185\u7f6e\u901a\u9053\u5c42&#xff08;Redis\/MQ&#xff09;<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>\u4e09\u3001\u5b9e\u6218\u793a\u4f8b&#xff1a;5 \u6b65\u5b9e\u73b0 WebSocket \u804a\u5929<\/h5>\n<li>\u5b9a\u4e49 Consumer&#xff08;\u5904\u7406\u8fde\u63a5\/\u6d88\u606f&#xff09;&#xff1a;<span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ChatConsumer<\/span><span class=\"token punctuation\">(<\/span>AsyncWebsocketConsumer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">connect<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">await<\/span> self<span class=\"token punctuation\">.<\/span>channel_layer<span class=\"token punctuation\">.<\/span>group_add<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;room_1&#034;<\/span><span class=\"token punctuation\">,<\/span> self<span class=\"token punctuation\">.<\/span>channel_name<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">await<\/span> self<span class=\"token punctuation\">.<\/span>accept<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>  <\/p>\n<p>    <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token function\">receive<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> text_data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n        <span class=\"token keyword\">await<\/span> self<span class=\"token punctuation\">.<\/span>channel_layer<span class=\"token punctuation\">.<\/span>group_send<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;room_1&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;type&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;chat.message&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;data&#034;<\/span><span class=\"token punctuation\">:<\/span> text_data<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>\n <\/li>\n<li>\u914d\u7f6e\u8def\u7531&#xff08;\u7ed1\u5b9a WebSocket \u8def\u5f84&#xff09;&#xff1a;websocket_urlpatterns <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><br \/>\n    path<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ws\/chat\/&#034;<\/span><span class=\"token punctuation\">,<\/span> ChatConsumer<span class=\"token punctuation\">.<\/span>as_asgi<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n<span class=\"token punctuation\">]<\/span>\n <\/li>\n<li>\u524d\u7aef\u8fde\u63a5&#xff1a;<span class=\"token keyword\">const<\/span> socket <span class=\"token operator\">&#061;<\/span> <span class=\"token keyword\">new<\/span> <span class=\"token class-name\">WebSocket<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;ws:\/\/localhost:8000\/ws\/chat\/&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nsocket<span class=\"token punctuation\">.<\/span><span class=\"token function-variable function\">onmessage<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token parameter\">e<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#061;&gt;<\/span> console<span class=\"token punctuation\">.<\/span><span class=\"token function\">log<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u6536\u5230\u6d88\u606f:&#034;<\/span><span class=\"token punctuation\">,<\/span> e<span class=\"token punctuation\">.<\/span>data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span>\n <\/li>\n<h2>\u7b2c\u56db\u7bc7&#xff1a;Redis \u4e3a\u4ec0\u4e48\u4e0d\u53ef\u6216\u7f3a&#xff1f;\u770b\u8fd9\u4e09\u5f20\u56fe\u5c31\u61c2<\/h2>\n<h5>\u4e00\u3001\u6570\u636e\u7ed3\u6784\u7684\u300c\u745e\u58eb\u519b\u5200\u300d<\/h5>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250527103614-6835959e4dec9.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h5>\u4e8c\u3001Django \u96c6\u6210 Redis \u7684\u4e09\u5927\u573a\u666f<\/h5>\n<table>\n<tr>\u573a\u666f\u65b9\u6848\u6027\u80fd\u63d0\u5347<\/tr>\n<tbody>\n<tr>\n<td>\u7f13\u5b58\u70ed\u95e8\u5546\u54c1\u6570\u636e<\/td>\n<td>django-redis \u7f13\u5b58\u540e\u7aef<\/td>\n<td>\u51cf\u5c11 DB \u538b\u529b 90%<\/td>\n<\/tr>\n<tr>\n<td>\u5b58\u50a8\u7528\u6237\u4f1a\u8bdd<\/td>\n<td>Redis Session Store<\/td>\n<td>\u652f\u6301\u5206\u5e03\u5f0f\u90e8\u7f72<\/td>\n<\/tr>\n<tr>\n<td>\u5f02\u6b65\u4efb\u52a1\u961f\u5217<\/td>\n<td>Celery &#043; Redis Broker<\/td>\n<td>\u4efb\u52a1\u5904\u7406\u5ef6\u8fdf &lt;10ms<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>\u4e09\u3001\u4e3a\u4ec0\u4e48\u6846\u67b6\u4e0d\u5185\u7f6e Redis&#xff1f;<\/h5>\n<ul>\n<li>\u804c\u8d23\u5206\u79bb&#xff1a;\u6846\u67b6\u4e13\u6ce8\u4e1a\u52a1\u903b\u8f91&#xff0c;Redis \u4e13\u6ce8\u9ad8\u6027\u80fd\u5b58\u50a8<\/li>\n<li>\u7075\u6d3b\u6027&#xff1a;\u53ef\u5207\u6362\u81f3 Memcached \u6216\u5176\u4ed6\u7f13\u5b58\u65b9\u6848<\/li>\n<li>\u4e13\u4e1a\u6027&#xff1a;Redis \u63d0\u4f9b\u96c6\u7fa4\u3001\u6301\u4e45\u5316\u7b49\u4f01\u4e1a\u7ea7\u529f\u80fd&#xff0c;\u6846\u67b6\u5185\u7f6e\u96be\u4ee5\u5339\u654c<\/li>\n<\/ul>\n<h2>\u7b2c\u4e94\u7bc7&#xff1a;Consumer \u6df1\u5ea6\u89e3\u6790&#xff1a;\u5f02\u6b65\u4e16\u754c\u7684\u300c\u8bf7\u6c42\u5904\u7406\u5668\u300d<\/h2>\n<h5>\u4e00\u3001Consumer vs \u89c6\u56fe&#xff1a;\u672c\u8d28\u533a\u522b\u5728\u54ea&#xff1f;<\/h5>\n<table>\n<tr>\u7279\u6027\u89c6\u56fe&#xff08;View&#xff09;\u6d88\u8d39\u8005&#xff08;Consumer&#xff09;<\/tr>\n<tbody>\n<tr>\n<td>\u534f\u8bae\u652f\u6301<\/td>\n<td>\u4ec5 HTTP<\/td>\n<td>HTTP\u3001WebSocket\u3001\u81ea\u5b9a\u4e49\u534f\u8bae<\/td>\n<\/tr>\n<tr>\n<td>\u751f\u547d\u5468\u671f<\/td>\n<td>\u5355\u6b21\u8bf7\u6c42-\u54cd\u5e94&#xff08;\u65e0\u72b6\u6001&#xff09;<\/td>\n<td>\u957f\u8fde\u63a5&#xff08;\u53ef\u7ef4\u62a4\u4f1a\u8bdd\u72b6\u6001&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u4ee3\u7801\u6a21\u578b<\/td>\n<td>\u540c\u6b65\u51fd\u6570&#xff08;def&#xff09;<\/td>\n<td>\u5f02\u6b65\u51fd\u6570&#xff08;async def&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u5178\u578b\u573a\u666f<\/td>\n<td>\u6e32\u67d3\u9875\u9762\u3001\u8fd4\u56de API \u6570\u636e<\/td>\n<td>\u5b9e\u65f6\u804a\u5929\u3001\u76f4\u64ad\u5f39\u5e55\u3001\u6e38\u620f\u4ea4\u4e92<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>\u4e8c\u3001\u6838\u5fc3\u65b9\u6cd5\u62c6\u89e3&#xff1a;\u4ee5 WebSocket \u4e3a\u4f8b<\/h5>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">ChatConsumer<\/span><span class=\"token punctuation\">(<\/span>AsyncWebsocketConsumer<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n    <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token operator\">**<\/span>connect<span class=\"token operator\">**<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span>    <span class=\"token comment\"># \u8fde\u63a5\u5efa\u7acb\u65f6\u89e6\u53d1  <\/span><br \/>\n        <span class=\"token keyword\">await<\/span> self<span class=\"token punctuation\">.<\/span>accept<span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>         <span class=\"token comment\"># \u5141\u8bb8\u8fde\u63a5  <\/span><br \/>\n        <span class=\"token keyword\">await<\/span> self<span class=\"token punctuation\">.<\/span>channel_layer<span class=\"token punctuation\">.<\/span>group_add<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;room&#034;<\/span><span class=\"token punctuation\">,<\/span> self<span class=\"token punctuation\">.<\/span>channel_name<span class=\"token punctuation\">)<\/span>  <\/p>\n<p>    <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token operator\">**<\/span>receive<span class=\"token operator\">**<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> text_data<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span>  <span class=\"token comment\"># \u6536\u5230\u6d88\u606f\u65f6\u89e6\u53d1  <\/span><br \/>\n        data <span class=\"token operator\">&#061;<\/span> json<span class=\"token punctuation\">.<\/span>loads<span class=\"token punctuation\">(<\/span>text_data<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">await<\/span> self<span class=\"token punctuation\">.<\/span>channel_layer<span class=\"token punctuation\">.<\/span>group_send<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;room&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;type&#034;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token string\">&#034;chat.message&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;data&#034;<\/span><span class=\"token punctuation\">:<\/span> data<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span>  <\/p>\n<p>    <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token operator\">**<\/span>chat_message<span class=\"token operator\">**<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> event<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span>  <span class=\"token comment\"># \u7ec4\u5185\u6d88\u606f\u5e7f\u64ad  <\/span><br \/>\n        <span class=\"token keyword\">await<\/span> self<span class=\"token punctuation\">.<\/span>send<span class=\"token punctuation\">(<\/span>text_data<span class=\"token operator\">&#061;<\/span>json<span class=\"token punctuation\">.<\/span>dumps<span class=\"token punctuation\">(<\/span>event<span class=\"token punctuation\">[<\/span><span class=\"token string\">&#034;data&#034;<\/span><span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span>  <\/p>\n<p>    <span class=\"token keyword\">async<\/span> <span class=\"token keyword\">def<\/span> <span class=\"token operator\">**<\/span>disconnect<span class=\"token operator\">**<\/span><span class=\"token punctuation\">(<\/span>self<span class=\"token punctuation\">,<\/span> close_code<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span>  <span class=\"token comment\"># \u8fde\u63a5\u65ad\u5f00\u65f6\u89e6\u53d1  <\/span><br \/>\n        <span class=\"token keyword\">await<\/span> self<span class=\"token punctuation\">.<\/span>channel_layer<span class=\"token punctuation\">.<\/span>group_discard<span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;room&#034;<\/span><span class=\"token punctuation\">,<\/span> self<span class=\"token punctuation\">.<\/span>channel_name<span class=\"token punctuation\">)<\/span>  <\/p>\n<h5>\u4e09\u3001\u5f02\u6b65\u7684\u7ec8\u6781\u4f18\u52bf&#xff1a;\u975e\u963b\u585e\u7684\u9b54\u6cd5<\/h5>\n<ul>\n<li>\u4f20\u7edf\u540c\u6b65\u6a21\u5f0f&#xff1a;\u5904\u7406\u8bf7\u6c42 A \u65f6&#xff0c;\u8bf7\u6c42 B \u5fc5\u987b\u7b49\u5f85<\/li>\n<li>\u5f02\u6b65\u6a21\u5f0f&#xff1a;\u5904\u7406\u8bf7\u6c42 A \u7684 IO \u7b49\u5f85\u65f6&#xff0c;\u81ea\u52a8\u5207\u6362\u5904\u7406\u8bf7\u6c42 B<\/li>\n<li>\u6027\u80fd\u5bf9\u6bd4&#xff1a;\u5f02\u6b65\u6a21\u5f0f\u4e0b&#xff0c;CPU \u5229\u7528\u7387\u63d0\u5347 300%&#043;&#xff08;IO \u5bc6\u96c6\u573a\u666f&#xff09;<\/li>\n<\/ul>\n<h2>\u7b2c\u516d\u7bc7&#xff1a;Web \u534f\u8bae\u9009\u62e9\u6307\u5357&#xff1a;HTTP\/HTTPS vs WebSocket<\/h2>\n<h5>\u4e00\u3001\u534f\u8bae\u4f7f\u7528\u573a\u666f\u8111\u56fe<\/h5>\n<p><img decoding=\"async\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250527103614-6835959ed4949.jpg\" alt=\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\" \/><\/p>\n<h5>\u4e8c\u3001\u5b89\u5168\u4e0e\u6027\u80fd\u6700\u4f73\u5b9e\u8df5<\/h5>\n<table>\n<tr>\u73af\u5883HTTP \u534f\u8baeWebSocket \u534f\u8bae\u90e8\u7f72\u8981\u70b9<\/tr>\n<tbody>\n<tr>\n<td>\u5f00\u53d1\u73af\u5883<\/td>\n<td>http:\/\/<\/td>\n<td>ws:\/\/<\/td>\n<td>\u65e0\u9700 SSL&#xff0c;\u5feb\u901f\u8c03\u8bd5<\/td>\n<\/tr>\n<tr>\n<td>\u751f\u4ea7\u73af\u5883<\/td>\n<td>https:\/\/<\/td>\n<td>wss:\/\/<\/td>\n<td>\u5fc5\u987b\u914d\u7f6e SSL \u8bc1\u4e66&#xff08;Let\u2019s Encrypt&#xff09;<\/td>\n<\/tr>\n<tr>\n<td>\u53cd\u5411\u4ee3\u7406\u914d\u7f6e<\/td>\n<td>proxy_pass http:\/\/\u2026<\/td>\n<td>proxy_set_header Upgrade $http_upgrade  proxy_set_header Connection \u201cupgrade\u201d<\/td>\n<td>Nginx \u9700\u5f00\u542f WebSocket \u652f\u6301<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h5>\u4e09\u3001\u4e3a\u4ec0\u4e48\u751f\u4ea7\u5fc5\u987b\u7528 wss:\/\/&#xff1f;<\/h5>\n<ul>\n<li>\u660e\u6587\u98ce\u9669&#xff1a;ws:\/\/ \u6570\u636e\u53ef\u88ab\u4e2d\u95f4\u4eba\u7a83\u53d6&#xff08;\u5982\u804a\u5929\u5185\u5bb9\u6cc4\u9732&#xff09;<\/li>\n<li>\u6d4f\u89c8\u5668\u7b56\u7565&#xff1a;Chrome\/Firefox \u4f1a\u9650\u5236\u975e\u5b89\u5168\u534f\u8bae\u7684\u67d0\u4e9b\u529f\u80fd<\/li>\n<li>\u90e8\u7f72\u89c4\u8303&#xff1a;\u4e91\u670d\u52a1\u5546&#xff08;\u5982 AWS\u3001\u963f\u91cc\u4e91&#xff09;\u5f3a\u5236\u8981\u6c42 HTTPS\/WSS \u63a5\u5165<\/li>\n<\/ul>\n<h4>\u6700\u7ec8\u5efa\u8bae&#xff1a;\u6280\u672f\u9009\u578b\u51b3\u7b56\u6811<\/h4>\n<p>  #mermaid-svg-n9AWC1yYqCqa0O7F {font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;fill:#333;}#mermaid-svg-n9AWC1yYqCqa0O7F .error-icon{fill:#552222;}#mermaid-svg-n9AWC1yYqCqa0O7F .error-text{fill:#552222;stroke:#552222;}#mermaid-svg-n9AWC1yYqCqa0O7F .edge-thickness-normal{stroke-width:2px;}#mermaid-svg-n9AWC1yYqCqa0O7F .edge-thickness-thick{stroke-width:3.5px;}#mermaid-svg-n9AWC1yYqCqa0O7F .edge-pattern-solid{stroke-dasharray:0;}#mermaid-svg-n9AWC1yYqCqa0O7F .edge-pattern-dashed{stroke-dasharray:3;}#mermaid-svg-n9AWC1yYqCqa0O7F .edge-pattern-dotted{stroke-dasharray:2;}#mermaid-svg-n9AWC1yYqCqa0O7F .marker{fill:#333333;stroke:#333333;}#mermaid-svg-n9AWC1yYqCqa0O7F .marker.cross{stroke:#333333;}#mermaid-svg-n9AWC1yYqCqa0O7F svg{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:16px;}#mermaid-svg-n9AWC1yYqCqa0O7F .label{font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;color:#333;}#mermaid-svg-n9AWC1yYqCqa0O7F 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.cluster rect{fill:#ffffde;stroke:#aaaa33;stroke-width:1px;}#mermaid-svg-n9AWC1yYqCqa0O7F .cluster text{fill:#333;}#mermaid-svg-n9AWC1yYqCqa0O7F .cluster span{color:#333;}#mermaid-svg-n9AWC1yYqCqa0O7F div.mermaidTooltip{position:absolute;text-align:center;max-width:200px;padding:2px;font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;font-size:12px;background:hsl(80, 100%, 96.2745098039%);border:1px solid #aaaa33;border-radius:2px;pointer-events:none;z-index:100;}#mermaid-svg-n9AWC1yYqCqa0O7F :root{&#8211;mermaid-font-family:\\&#8221;trebuchet ms\\&#8221;,verdana,arial,sans-serif;} <\/p>\n<p>         <span id=\"L-L-start-\u540c\u6b65\u9700\u6c42\" class=\"edgeLabel L-LS-start&#039; L-LE-\u540c\u6b65\u9700\u6c42\"><\/span> <\/p>\n<p>         <span id=\"L-L-\u540c\u6b65\u9700\u6c42-\u4f7f\u7528\" class=\"edgeLabel L-LS-\u540c\u6b65\u9700\u6c42&#039; L-LE-\u4f7f\u7528\">\u5426<\/span> <\/p>\n<p>         <span id=\"L-L-\u540c\u6b65\u9700\u6c42-\u4f7f\u7528\" class=\"edgeLabel L-LS-\u540c\u6b65\u9700\u6c42&#039; L-LE-\u4f7f\u7528\">\u662f<\/span> <\/p>\n<p>           \u65b0\u9879\u76ee\u5f00\u53d1 <\/p>\n<p>           \u662f\u5426\u9700\u8981\u5f02\u6b65\/\u5b9e\u65f6\u529f\u80fd? <\/p>\n<p>           Django &#043; Channels &#043; Daphne &#043; Nginx &#043; Redis <\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb783\u6b21\uff0c\u70b9\u8d5e22\u6b21\uff0c\u6536\u85cf8\u6b21\u3002\u2705 ASGI \u539f\u751f\u652f\u6301\u957f\u8fde\u63a5\uff0cDjango Channels \u53ef\u76f4\u63a5\u5b9e\u73b0\u5b9e\u65f6\u804a\u5929\u3002\u274c WSGI \u5904\u7406 WebSocket \u9700\u989d\u5916\u7ec4\u4ef6\uff08\u5982\u3002\u662f\u5426\u9700\u8981\u5f02\u6b65\/\u5b9e\u65f6\u529f\u80fd?<\/p>\n","protected":false},"author":2,"featured_media":40112,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[890,2547,43],"topic":[],"class_list":["post-40114","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-django","tag-sqlite","tag-43"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Django \u751f\u6001\u6838\u5fc3\u6280\u672f\u6df1\u5ea6\u89e3\u6790\uff1a\u4ece\u670d\u52a1\u5668\u5230\u5b9e\u65f6\u901a\u4fe1\u5168\u653b\u7565 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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