{"id":201685,"date":"2025-05-10T10:11:47","date_gmt":"2025-05-10T02:11:47","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201685\/"},"modified":"2025-05-10T10:11:47","modified_gmt":"2025-05-10T02:11:47","slug":"%e5%a6%82%e4%bd%95%e7%94%a8redis%e5%ae%9e%e7%8e%b0%e5%bb%b6%e8%bf%9f%e9%98%9f%e5%88%97%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201685\/","title":{"rendered":"\u5982\u4f55\u7528Redis\u5b9e\u73b0\u5ef6\u8fdf\u961f\u5217\uff1f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<h1>\u5982\u4f55\u7528Redis\u5b9e\u73b0\u5ef6\u8fdf\u961f\u5217\uff1f<\/h1>\n<p><span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u76ee\u524dgolang\u5b66\u4e60\u7f51\u4e0a\u5df2\u7ecf\u6709\u5f88\u591a\u5173\u4e8e<span style=\"color: #FF6600;font-family:\">\u6570\u636e\u5e93<\/span>\u7684\u6587\u7ae0\u4e86\uff0c\u81ea\u5df1\u5728\u521d\u6b21\u9605\u8bfb\u8fd9\u4e9b\u6587\u7ae0\u4e2d\uff0c\u4e5f\u89c1\u8bc6\u5230\u4e86\u5f88\u591a\u5b66\u4e60\u601d\u8def\uff1b\u90a3\u4e48\u672c\u6587<span style=\"color: #FF6600;font-family:\">\u300a\u5982\u4f55\u7528Redis\u5b9e\u73b0\u5ef6\u8fdf\u961f\u5217\uff1f\u300b<\/span>\uff0c\u4e5f\u5e0c\u671b\u80fd\u5e2e\u52a9\u5230\u5927\u5bb6\uff0c\u5982\u679c\u9605\u8bfb\u5b8c\u540e\u771f\u7684\u5bf9\u4f60\u5b66\u4e60<span style=\"color: #FF6600;font-family:\">\u6570\u636e\u5e93<\/span>\u6709\u5e2e\u52a9\uff0c\u6b22\u8fce\u52a8\u52a8\u624b\u6307\uff0c\u8bc4\u8bba\u7559\u8a00\u5e76\u5206\u4eab~<\/p>\n<ul>\n<ul><\/ul>\n<\/ul>\n<h3>Redis\u5b9e\u73b0\u5ef6\u8fdf\u961f\u5217<\/h3>\n<h4>Redis\u5ef6\u8fdf\u961f\u5217<\/h4>\n<p>Redis \u662f\u901a\u8fc7\u6709\u5e8f\u96c6\u5408\uff08ZSet\uff09\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0\u5ef6\u8fdf\u6d88\u606f\u961f\u5217\u7684\uff0cZSet \u6709\u4e00\u4e2a Score \u5c5e\u6027\u53ef\u4ee5\u7528\u6765\u5b58\u50a8\u5ef6\u8fdf\u6267\u884c\u7684\u65f6\u95f4\u3002<\/p>\n<p>\u4f46\u9700\u8981\u65e0\u9650\u5faa\u73af\u68c0\u67e5\u4efb\u52a1\uff0c\u4f1a\u6d88\u8017\u7cfb\u7edf\u8d44\u6e90<\/p>\n<pre>class&nbsp;RedisDelayQueue(object):\n&nbsp;&nbsp;&nbsp;&nbsp;\"\"\"Simple&nbsp;Queue&nbsp;with&nbsp;Redis&nbsp;Backend\n&nbsp;&nbsp;&nbsp;&nbsp;dq&nbsp;=&nbsp;RedisDelayQueue('delay:commtrans')\n&nbsp;&nbsp;&nbsp;&nbsp;dq.put(&nbsp;5&nbsp;,{'info':'\u6d4b\u8bd5&nbsp;5555','time':&nbsp;timestamp_to_datetime_str(t&nbsp;+&nbsp;5)})\n&nbsp;&nbsp;&nbsp;&nbsp;print(dq.get())\n&nbsp;&nbsp;&nbsp;&nbsp;\"\"\"\n&nbsp;&nbsp;&nbsp;&nbsp;def&nbsp;__init__(self,&nbsp;name,&nbsp;namespace='queue'):\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\"\"\"The&nbsp;default&nbsp;connection&nbsp;parameters&nbsp;are:&nbsp;host='localhost',&nbsp;port=6379,&nbsp;db=0\"\"\"\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;self.__db&nbsp;=&nbsp;get_redis_engine(database_name='spdb')\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;self.key&nbsp;=&nbsp;'%s:%s'&nbsp;%&nbsp;(namespace,&nbsp;name)\n&nbsp;&nbsp;&nbsp;&nbsp;def&nbsp;qsize(self):\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\"\"\"Return&nbsp;the&nbsp;approximate&nbsp;size&nbsp;of&nbsp;the&nbsp;queue.\"\"\"\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;self.__db.zcard(self.key)\n&nbsp;&nbsp;&nbsp;&nbsp;def&nbsp;empty(self):\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\"\"\"Return&nbsp;True&nbsp;if&nbsp;the&nbsp;queue&nbsp;is&nbsp;empty,&nbsp;False&nbsp;otherwise.\"\"\"\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;self.qsize()&nbsp;==&nbsp;0\n&nbsp;&nbsp;&nbsp;&nbsp;def&nbsp;rem(self,&nbsp;value):\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;self.__db.zrem(self.key,&nbsp;value)\n&nbsp;&nbsp;&nbsp;&nbsp;def&nbsp;get(self):\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp;\u83b7\u53d6\u4efb\u52a1\uff0c\u4ee50\u548c\u5f53\u524d\u65f6\u95f4\u4e3a\u533a\u95f4\uff0c\u8fd4\u56de\u4e00\u6761\u5728\u5f53\u524d\u533a\u95f4\u7684\u8bb0\u5f55\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;items&nbsp;=&nbsp;self.__db.zrangebyscore(self.key,&nbsp;0,&nbsp;int(time.time()),&nbsp;0,&nbsp;1)\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;items:\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;item&nbsp;=&nbsp;items[0]\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if&nbsp;self.rem(item):&nbsp;&nbsp;#&nbsp;\u89e3\u51b3\u5e76\u53d1\u95ee\u9898&nbsp;&nbsp;\u5982\u80fd\u5220\u5c31\u8ba9\u8c01\u53d6\u8d70\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;json.loads(item)\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;None\n&nbsp;&nbsp;&nbsp;&nbsp;def&nbsp;put(self,&nbsp;interval,&nbsp;item):\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\"\"\":param&nbsp;interval&nbsp;\u5ef6\u65f6\u79d2\u6570\"\"\"\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;#&nbsp;\u4ee5\u65f6\u95f4\u4f5c\u4e3ascore\uff0c\u5bf9\u4efb\u52a1\u961f\u5217\u6309\u65f6\u95f4\u6233\u4ece\u5c0f\u5230\u5927\u6392\u5e8f\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;\"\"\"Put&nbsp;item&nbsp;into&nbsp;the&nbsp;queue.\"\"\"\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;d&nbsp;=&nbsp;json.dumps(item)\n&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;self.__db.zadd(self.key,&nbsp;{d:&nbsp;int(time.time())&nbsp;+&nbsp;int(interval)})<\/pre>\n<h3>Redis\u5b9e\u73b0\u5ef6\u65f6\u961f\u5217\u7684\u4f18\u5316\u65b9\u6848<\/h3>\n<h4>\u5ef6\u65f6\u961f\u5217\u7684\u5e94\u7528<\/h4>\n<p>\u8fd1\u671f\u5728\u5f00\u53d1\u90e8\u95e8\u7684\u65b0\u9879\u76ee\uff0c\u5176\u4e2d\u6709\u4e2a\u5173\u952e\u529f\u80fd\u5c31\u662f\u667a\u80fd\u63a8\u9001\uff0c\u5373\u6839\u636e\u7528\u6237\u884c\u4e3a\u5728\u7279\u5b9a\u7684\u65f6\u95f4\u70b9\u5411\u7528\u6237\u63a8\u9001\u76f8\u5e94\u7684\u63d0\u9192\u6d88\u606f\uff0c\u6bd4\u5982\u4ee5\u4e0b\u4e1a\u52a1\u573a\u666f\uff1a<\/p>\n<ul>\n<li>\n<p>\u5728\u7528\u6237\u70b9\u51fb\u5145\u503c\u9879\u540e\uff0c\u534a\u5c0f\u65f6\u5185\u672a\u5145\u503c\uff0c\u5411\u7528\u6237\u63a8\u9001\u5145\u503c\u672a\u5b8c\u6210\u63d0\u9192\u3002<\/p>\n<\/li>\n<li>\n<p>\u5728\u7528\u6237\u6700\u8fd1\u4e00\u6b21\u9605\u8bfb\u884c\u4e3a2\u5c0f\u65f6\u540e\uff0c\u5411\u7528\u6237\u63a8\u9001\u7ee7\u7eed\u9605\u8bfb\u63d0\u9192\u3002<\/p>\n<\/li>\n<li>\n<p>\u5728\u7528\u6237\u65b0\u6ce8\u518c\u6216\u9000\u51fa\u5e94\u7528N\u5206\u949f\u540e\uff0c\u5411\u7528\u6237\u63a8\u9001\u5408\u9002\u7684\u63a8\u8350\u6d88\u606f\u3002<\/p>\n<\/li>\n<li>\n<p>\u2026<\/p>\n<\/li>\n<\/ul>\n<p>\u4e0a\u8ff0\u573a\u666f\u7684\u5171\u540c\u7279\u5f81\u5c31\u662f\u5728\u67d0\u4e8b\u4ef6\u89e6\u53d1\u540e\u5ef6\u8fdf\u4e00\u5b9a\u65f6\u95f4\u540e\u518d\u6267\u884c\u7279\u5b9a\u4efb\u52a1\uff0c\u82e5\u4e8b\u4ef6\u89e6\u53d1\u65f6\u95f4\u70b9\u53ef\u77e5\uff0c\u5219\u4e0a\u8ff0\u903b\u8f91\u4e5f\u53ef\u7b49\u4ef7\u4e8e\u5728\u6307\u5b9a\u65f6\u95f4\u70b9\uff08\u4e8b\u4ef6\u89e6\u53d1\u65f6\u95f4\u70b9+\u5ef6\u8fdf\u65f6\u95f4\u957f\u5ea6\uff09\u6267\u884c\u7279\u5b9a\u4efb\u52a1\u3002<\/p>\n<p>\u5b9e\u73b0\u8fd9\u7c7b\u9700\u6c42\u4e00\u822c\u91c7\u7528\u5ef6\u65f6\u961f\u5217\uff0c\u5176\u4e2d\u521b\u5efa\u7684\u5ef6\u65f6\u6d88\u606f\u4e2d\u9700\u8981\u5305\u542b\u4efb\u52a1\u5ef6\u8fdf\u65f6\u95f4\u6216\u4efb\u52a1\u6267\u884c\u65f6\u95f4\u70b9\u7b49\u4fe1\u606f\uff0c\u5f53\u4efb\u52a1\u6ee1\u8db3\u65f6\u95f4\u6761\u4ef6\u9700\u8981\u6267\u884c\u65f6\uff0c\u8be5\u6d88\u606f\u4fbf\u4f1a\u88ab\u6d88\u8d39\uff0c\u4e5f\u5c31\u662f\u8bf4\u53ef\u4ee5\u6307\u5b9a\u961f\u5217\u4e2d\u7684\u6d88\u606f\u5728\u54ea\u4e2a\u65f6\u95f4\u70b9\u88ab\u6d88\u8d39\u3002<\/p>\n<h4>\u5ef6\u65f6\u961f\u5217\u7684\u5b9e\u73b0<\/h4>\n<p>\u5728\u5355\u673a\u73af\u5883\u4e2d\uff0c<code>JDK<\/code>\u5df2\u7ecf\u81ea\u5e26\u4e86\u5f88\u591a\u80fd\u591f\u5b9e\u73b0\u5ef6\u65f6\u961f\u5217\u529f\u80fd\u7684\u7ec4\u4ef6\uff0c\u6bd4\u5982<code>DelayQueue<\/code>, <code>Timer<\/code>, <code>ScheduledExecutorService<\/code>\u7b49\u7ec4\u4ef6\uff0c\u90fd\u53ef\u4ee5\u8f83\u4e3a\u7b80\u4fbf\u5730\u521b\u5efa\u5ef6\u65f6\u4efb\u52a1\uff0c\u4f46\u4e0a\u8ff0\u7ec4\u4ef6\u4f7f\u7528\u4e00\u822c\u9700\u8981\u628a\u4efb\u52a1\u5b58\u50a8\u5728\u5185\u5b58\u4e2d\uff0c\u670d\u52a1\u91cd\u542f\u5b58\u5728\u4efb\u52a1\u4e22\u5931\u98ce\u9669\uff0c\u4e14\u4efb\u52a1\u89c4\u6a21\u4f53\u91cf\u53d7\u5185\u5b58\u9650\u5236\uff0c\u540c\u65f6\u4e5f\u9020\u6210\u957f\u65f6\u95f4\u5185\u5b58\u5360\u7528\uff0c\u5e76\u4e0d\u7075\u6d3b\uff0c\u901a\u5e38\u9002\u7528\u4e8e\u5355\u8fdb\u7a0b\u5ba2\u670d\u7aef\u7a0b\u5e8f\u4e2d\u6216\u5bf9\u4efb\u52a1\u8981\u6c42\u4e0d\u9ad8\u7684\u9879\u76ee\u4e2d\u3002<\/p>\n<p>\u5728\u5206\u5e03\u5f0f\u73af\u5883\u4e0b\uff0c\u4ec5\u4f7f\u7528<code>JDK<\/code>\u81ea\u5e26\u7ec4\u4ef6\u5e76\u4e0d\u80fd\u53ef\u9760\u9ad8\u6548\u5730\u5b9e\u73b0\u5ef6\u65f6\u961f\u5217\uff0c\u901a\u5e38\u9700\u8981\u5f15\u5165\u7b2c\u4e09\u65b9\u4e2d\u95f4\u4ef6\u6216\u6846\u67b6\u3002<\/p>\n<p>\u6bd4\u5982\u5e38\u89c1\u7684\u7ecf\u5178\u4efb\u52a1\u8c03\u5ea6\u6846\u67b6<code>Quartz<\/code>\u6216\u57fa\u4e8e\u6b64\u6846\u67b6\u7684<code>xxl-job<\/code>\u7b49\u5176\u5b83\u6846\u67b6\uff0c\u8fd9\u4e9b\u6846\u67b6\u7684\u4e3b\u8981\u529f\u80fd\u662f\u5b9e\u73b0\u5b9a\u65f6\u4efb\u52a1\u6216\u5468\u671f\u6027\u4efb\u52a1\uff0c\u5728<code>Redis<\/code>\u3001<code>RabbitMQ<\/code>\u8fd8\u672a\u5e7f\u6cdb\u5e94\u7528\u65f6\uff0c\u8b6c\u5982\u5e38\u89c1\u7684\u8d85\u65f6\u672a\u652f\u4ed8\u53d6\u6d88\u8ba2\u5355\u7b49\u529f\u80fd\u90fd\u662f\u7531\u5b9a\u65f6\u4efb\u52a1\u5b9e\u73b0\u7684\uff0c\u901a\u8fc7\u5b9a\u65f6\u8f6e\u8be2\u6765\u5224\u65ad\u662f\u5426\u5df2\u5230\u8fbe\u89e6\u53d1\u6267\u884c\u7684\u65f6\u95f4\u70b9\u3002<\/p>\n<p>\u4f46\u7531\u4e8e\u5b9a\u65f6\u4efb\u52a1\u9700\u8981\u4e00\u5b9a\u7684\u5468\u671f\u6027\uff0c\u5468\u671f\u626b\u63cf\u7684\u95f4\u9694\u65f6\u95f4\u4e0d\u597d\u63a7\u5236\uff0c\u592a\u77ed\u4f1a\u9020\u6210\u5f88\u591a\u65e0\u610f\u4e49\u7684\u626b\u63cf\uff0c\u4e14\u589e\u5927\u7cfb\u7edf\u538b\u529b\uff0c\u592a\u957f\u53c8\u4f1a\u9020\u6210\u6267\u884c\u65f6\u95f4\u8bef\u5dee\u592a\u5927\uff0c\u4e14\u53ef\u80fd\u9020\u6210\u5355\u6b21\u626b\u63cf\u6240\u5904\u7406\u7684\u5806\u79ef\u8bb0\u5f55\u6570\u91cf\u8fc7\u5927\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u5229\u7528<code>MQ<\/code>\u505a\u5ef6\u65f6\u961f\u5217\u4e5f\u662f\u4e00\u79cd\u5e38\u89c1\u7684\u65b9\u5f0f\uff0c\u6bd4\u5982\u901a\u8fc7<code>RabbitMQ<\/code>\u7684<code>TTL<\/code>\u548c\u6b7b\u4fe1\u961f\u5217\u5b9e\u73b0\u6d88\u606f\u7684\u5ef6\u8fdf\u6295\u9012\uff0c\u8003\u8651\u5230\u6295\u9012\u51fa\u53bb\u7684<code>MQ<\/code>\u6d88\u606f\u65e0\u6cd5\u65b9\u4fbf\u5730\u5b9e\u73b0\u5220\u9664\u6216\u4fee\u6539,\u5373\u65e0\u6cd5\u5b9e\u73b0\u4efb\u52a1\u7684\u53d6\u6d88\u6216\u4efb\u52a1\u6267\u884c\u65f6\u95f4\u70b9\u7684\u66f4\u6539\uff0c\u540c\u65f6\u4e5f\u4e0d\u80fd\u65b9\u4fbf\u5730\u5bf9\u6d88\u606f\u8fdb\u884c\u53bb\u91cd\uff0c\u56e0\u6b64\u5728\u9879\u76ee\u4e2d\u5e76\u672a\u9009\u62e9\u4f7f\u7528<code>MQ<\/code>\u5b9e\u73b0\u5ef6\u65f6\u961f\u5217\u3002<\/p>\n<p><code>Redis<\/code>\u7684\u6570\u636e\u7ed3\u6784<code>zset<\/code>\uff0c\u540c\u6837\u53ef\u4ee5\u5b9e\u73b0\u5ef6\u8fdf\u961f\u5217\u7684\u6548\u679c\uff0c\u4e14\u66f4\u52a0\u7075\u6d3b\uff0c\u53ef\u4ee5\u5b9e\u73b0<code>MQ<\/code>\u65e0\u6cd5\u505a\u5230\u7684\u4e00\u4e9b\u7279\u6027\uff0c\u56e0\u6b64\u9879\u76ee\u6700\u7ec8\u91c7\u7528<code>Redis<\/code>\u5b9e\u73b0\u5ef6\u65f6\u961f\u5217\uff0c\u5e76\u5bf9\u5176\u8fdb\u884c\u4f18\u5316\u4e0e\u5c01\u88c5\u3002<\/p>\n<p>\u5b9e\u73b0\u539f\u7406\u662f\u5229\u7528<code>zset<\/code>\u7684<code>score<\/code>\u5c5e\u6027\uff0c<code>redis<\/code>\u4f1a\u5c06<code>zset<\/code>\u96c6\u5408\u4e2d\u7684\u5143\u7d20\u6309\u7167<code>score<\/code>\u8fdb\u884c\u4ece\u5c0f\u5230\u5927\u6392\u5e8f\uff0c\u901a\u8fc7<code>zadd<\/code>\u547d\u4ee4\u5411<code>zset<\/code>\u4e2d\u6dfb\u52a0\u5143\u7d20\uff0c\u5982\u4e0b\u8ff0\u547d\u4ee4\u6240\u793a\uff0c\u5176\u4e2d<code>value<\/code>\u503c\u4e3a\u5ef6\u65f6\u4efb\u52a1\u6d88\u606f\uff0c\u53ef\u6839\u636e\u4e1a\u52a1\u5b9a\u4e49\u6d88\u606f\u683c\u5f0f\uff0c<code>score<\/code>\u503c\u4e3a\u4efb\u52a1\u6267\u884c\u7684\u65f6\u95f4\u70b9\uff0c\u6bd4\u598213\u4f4d\u6beb\u79d2\u65f6\u95f4\u6233\u3002<\/p>\n<pre>zadd&nbsp;delayqueue&nbsp;1614608094000&nbsp;taskinfo<\/pre>\n<p>\u4efb\u52a1\u6dfb\u52a0\u540e\uff0c\u83b7\u53d6\u4efb\u52a1\u7684\u903b\u8f91\u53ea\u9700\u4ece<code>zset<\/code>\u4e2d\u7b5b\u9009<code>score<\/code>\u503c\u5c0f\u4e8e\u5f53\u524d\u65f6\u95f4\u6233\u7684\u5143\u7d20\uff0c\u6240\u5f97\u7ed3\u679c\u4fbf\u662f\u5f53\u524d\u65f6\u95f4\u8282\u70b9\u4e0b\u9700\u8981\u6267\u884c\u7684\u4efb\u52a1\uff0c\u901a\u8fc7<code>zrangebyscore<\/code>\u547d\u4ee4\u6765\u83b7\u53d6\uff0c\u5982\u4e0b\u8ff0\u547d\u4ee4\u6240\u793a\uff0c\u5176\u4e2d<code>timestamp<\/code>\u4e3a\u5f53\u524d\u65f6\u95f4\u6233\uff0c\u53ef\u7528<code>limit<\/code>\u9650\u5236\u6bcf\u6b21\u62c9\u53d6\u7684\u8bb0\u5f55\u6570\uff0c\u9632\u6b62\u5355\u6b21\u83b7\u53d6\u8bb0\u5f55\u6570\u8fc7\u5927\u3002<\/p>\n<pre>zrangebyscore&nbsp;delayqueue&nbsp;0&nbsp;timestamp&nbsp;limit&nbsp;0&nbsp;1000<\/pre>\n<p>\u5728\u5b9e\u9645\u5b9e\u73b0\u8fc7\u7a0b\u4e2d\uff0c\u4ece<code>zset<\/code>\u4e2d\u83b7\u53d6\u5230\u5f53\u524d\u9700\u8981\u6267\u884c\u7684\u4efb\u52a1\u540e\uff0c\u9700\u8981\u5148\u786e\u4fdd\u5c06\u4efb\u52a1\u5bf9\u5e94\u7684\u5143\u7d20\u4ece<code>zset<\/code>\u4e2d\u5220\u9664\uff0c\u5220\u9664\u6210\u529f\u540e\u624d\u5141\u8bb8\u6267\u884c\u4efb\u52a1\u903b\u8f91\uff0c\u8fd9\u6837\u662f\u4e3a\u4e86\u5728\u5206\u5e03\u5f0f\u73af\u5883\u4e0b\uff0c\u5f53\u5b58\u5728\u591a\u4e2a\u7ebf\u7a0b\u83b7\u53d6\u5230\u540c\u4e00\u4efb\u52a1\u540e\uff0c\u5229\u7528<code>redis<\/code>\u5220\u9664\u64cd\u4f5c\u7684\u539f\u5b50\u6027\uff0c\u786e\u4fdd\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u80fd\u591f\u5220\u9664\u6210\u529f\u5e76\u6267\u884c\u4efb\u52a1\uff0c\u9632\u6b62\u91cd\u590d\u6267\u884c\u3002<\/p>\n<p>\u5b9e\u9645\u4efb\u52a1\u7684\u6267\u884c\u901a\u5e38\u4f1a\u518d\u5c06\u5176\u53d1\u9001\u81f3<code>MQ<\/code>\u5f02\u6b65\u5904\u7406\uff0c\u5c06\u201c\u83b7\u53d6\u4efb\u52a1\u201d\u4e0e\u201c\u6267\u884c\u4efb\u52a1\u201d\u4e24\u8005\u5206\u79bb\u89e3\u8026\uff0c\u66f4\u52a0\u7075\u6d3b\uff0c\u201c\u83b7\u53d6\u4efb\u52a1\u201d\u53ea\u8d1f\u8d23\u62ff\u5230\u5f53\u524d\u65f6\u95f4\u9700\u8981\u6267\u884c\u7684\u4efb\u52a1\uff0c\u5e76\u4e0d\u771f\u6b63\u8fd0\u884c\u4efb\u52a1\u4e1a\u52a1\u903b\u8f91\uff0c\u56e0\u6b64\u53ea\u9700\u76f8\u5bf9\u5c11\u91cf\u7684\u6267\u884c\u7ebf\u7a0b\u5373\u53ef\uff0c\u800c\u5b9e\u9645\u7684\u4efb\u52a1\u6267\u884c\u903b\u8f91\u5219\u7531<code>MQ<\/code>\u6d88\u8d39\u8005\u627f\u62c5\uff0c\u65b9\u4fbf\u8c03\u63a7\u8d1f\u8f7d\u80fd\u529b\u3002<\/p>\n<p>\u6574\u4f53\u8fc7\u7a0b\u5982\u4e0b\u56fe\u6240\u793a\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20230508\/168352296164588591006ac.png\" class=\"aligncenter\"><\/p>\n<p>\u91c7\u7528<code>zset<\/code>\u505a\u5ef6\u65f6\u961f\u5217\u7684\u53e6\u4e00\u4e2a\u597d\u5904\u662f\u53ef\u4ee5\u5b9e\u73b0\u4efb\u52a1\u7684\u53d6\u6d88\u548c\u4efb\u52a1\u6267\u884c\u65f6\u95f4\u70b9\u7684\u66f4\u6539\uff0c\u53ea\u9700\u8981\u5c06\u4efb\u52a1\u4fe1\u606f\u4ece<code>zset<\/code>\u4e2d\u5220\u9664\uff0c\u4fbf\u53ef\u53d6\u6d88\u4efb\u52a1\uff0c\u540c\u65f6\u7531\u4e8e<code>zset<\/code>\u62e5\u6709\u96c6\u5408\u53bb\u91cd\u7684\u7279\u6027\uff0c\u53ea\u9700\u518d\u6b21\u5199\u5165\u540c\u4e00\u4e2a\u4efb\u52a1\u4fe1\u606f\uff0c\u4f46\u662f<code>value<\/code>\u503c\u8bbe\u7f6e\u4e3a\u4e0d\u540c\u7684\u6267\u884c\u65f6\u95f4\u70b9\uff0c\u4fbf\u53ef\u66f4\u6539\u4efb\u52a1\u6267\u884c\u65f6\u95f4\uff0c\u5b9e\u73b0\u5355\u4e2a\u4efb\u52a1\u6267\u884c\u65f6\u95f4\u7684\u52a8\u6001\u8c03\u6574\u3002<\/p>\n<p>\u4e86\u89e3\u5b9e\u73b0\u539f\u7406\u540e\uff0c\u518d\u8fdb\u884c\u5177\u4f53\u7f16\u7a0b\u5b9e\u73b0\u3002\u521b\u5efa\u5ef6\u65f6\u4efb\u52a1\u8f83\u4e3a\u7b80\u4fbf\uff0c\u51c6\u5907\u597d\u4efb\u52a1\u6d88\u606f\u548c\u6267\u884c\u65f6\u95f4\u70b9\uff0c\u5199\u5165<code>zset<\/code>\u5373\u53ef\u3002\u83b7\u53d6\u5ef6\u65f6\u4efb\u52a1\u6700\u7b80\u5355\u7684\u65b9\u6848\u662f\u901a\u8fc7\u5b9a\u65f6\u4efb\u52a1\uff0c\u5468\u671f\u6027\u5730\u6267\u884c\u4e0a\u8ff0\u903b\u8f91\uff0c\u5982\u4e0b\u4ee3\u7801\u6240\u793a\u3002<\/p>\n<pre>@XxlScheduled(cron&nbsp;=&nbsp;\"0\/5&nbsp;*&nbsp;*&nbsp;*&nbsp;*&nbsp;?\",&nbsp;name&nbsp;=&nbsp;\"scan&nbsp;business1&nbsp;delayqueue\")\npublic&nbsp;void&nbsp;scanBusiness1()&nbsp;{\n\t\/\/&nbsp;\u67d0\u4e1a\u52a1\u903b\u8f91\u7684zset\u5ef6\u8fdf\u961f\u5217\u5bf9\u5e94\u7684key\n\tString&nbsp;zsetKey&nbsp;=&nbsp;\"delayqueue:business1\";\n\twhile&nbsp;(true)&nbsp;{\n\t\t\/\/&nbsp;\u7b5b\u9009score\u503c\u5c0f\u4e8e\u5f53\u524d\u65f6\u95f4\u6233\u7684\u5143\u7d20\uff0c\u4e00\u6b21\u6700\u591a\u62c9\u53d61000\u6761\n\t\tSet\n   \n    &nbsp;tasks&nbsp;=&nbsp;stringRedisTemplate.opsForZSet().rangeByScore(zsetKey,&nbsp;0,&nbsp;System.currentTimeMillis(),&nbsp;0,&nbsp;1000);\n\t\tif&nbsp;(CollectionUtils.isEmpty(tasks))&nbsp;{\n\t\t\t\/\/&nbsp;\u5f53\u524d\u65f6\u95f4\u4e0b\u5df2\u6ca1\u6709\u9700\u8981\u6267\u884c\u7684\u4efb\u52a1\uff0c\u7ed3\u675f\u672c\u6b21\u626b\u63cf\n\t\t\treturn;\n\t\t}\n\t\tfor&nbsp;(String&nbsp;task&nbsp;:&nbsp;tasks)&nbsp;{\n\t\t\t\/\/&nbsp;\u5148\u5220\u9664\uff0c\u518d\u6267\u884c\uff0c\u786e\u4fdd\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\u6267\u884c\u7684\u552f\u4e00\u6027\n\t\t\tBoolean&nbsp;delete&nbsp;=&nbsp;stringRedisTemplate.delete(task);\n\t\t\tif&nbsp;(delete)&nbsp;{\n\t\t\t\t\/\/&nbsp;\u5220\u9664\u6210\u529f\u540e\uff0c\u5c06\u5176\u518d\u53d1\u9001\u5230\u6307\u5b9aMQ\u5f02\u6b65\u5904\u7406\uff0c\u5c06\u201c\u83b7\u53d6\u4efb\u52a1\u201d\u4e0e\u201c\u6267\u884c\u4efb\u52a1\u201d\u5206\u79bb\u89e3\u8026\n\t\t\t\trabbitTemplate.convertAndSend(\"exchange_business1\",&nbsp;\"routekey_business1\",&nbsp;task);\n\t\t\t}\n\t\t}\n\t}\n}\n   <\/pre>\n<p>\u4e0a\u8ff0\u65b9\u6848\u4f7f\u7528<code>xxl-job<\/code>\u505a\u5206\u5e03\u5f0f\u5b9a\u65f6\u4efb\u52a1\uff0c\u95f4\u96945\u79d2\u6267\u884c\u4e00\u6b21\uff0c\u4ee3\u7801\u501f\u52a9<code>spring<\/code>\u63d0\u4f9b\u7684<code>api<\/code>\u6765\u5b8c\u6210<code>redis<\/code>\u548c<code>MQ<\/code>\u7684\u64cd\u4f5c\u3002<\/p>\n<p>\u7531\u4e8e\u662f\u5206\u5e03\u5f0f\u5b9a\u65f6\u4efb\u52a1\uff0c\u6bcf\u6b21\u6267\u884c\u53ea\u6709\u4e00\u4e2a\u7ebf\u7a0b\u5728\u83b7\u53d6\u4efb\u52a1\uff0c\u673a\u5668\u5229\u7528\u7387\u4f4e\uff0c\u5f53\u6570\u636e\u89c4\u6a21\u8f83\u5927\u65f6\uff0c\u5355\u9760\u4e00\u4e2a\u7ebf\u7a0b\u65e0\u6cd5\u6ee1\u8db3\u541e\u5410\u91cf\u8981\u6c42\uff0c\u56e0\u6b64\u8fd9\u79cd\u65b9\u6848\u53ea\u9002\u7528\u4e8e\u5c0f\u89c4\u6a21\u6570\u636e\u91cf\u7ea7\u522b\u3002<\/p>\n<p>\u6b64\u5904\u95f4\u9694\u65f6\u95f4\u4e5f\u53ef\u9002\u5f53\u8c03\u6574\uff0c\u4f8b\u5982\u7f29\u77ed\u4e3a1\u79d2\uff0c\u8c03\u6574\u6240\u9700\u8003\u8651\u539f\u5219\u5728\u4e0a\u6587\u5df2\u63d0\u5230\uff1a\u95f4\u9694\u592a\u77ed\u4f1a\u9020\u6210\u5f88\u591a\u65e0\u610f\u4e49\u7684\u626b\u63cf\uff0c\u4e14\u589e\u5927\u7cfb\u7edf\u538b\u529b\uff0c\u592a\u957f\u53c8\u4f1a\u9020\u6210\u6267\u884c\u65f6\u95f4\u8bef\u5dee\u592a\u5927\u3002<\/p>\n<p>\u4e3a\u4e86\u63d0\u5347\u6574\u4f53\u541e\u5410\u91cf\uff0c\u8003\u8651\u4e0d\u4f7f\u7528\u5206\u5e03\u5f0f\u5b9a\u65f6\u4efb\u52a1\uff0c\u5bf9\u96c6\u7fa4\u5185\u6bcf\u53f0\u673a\u5668\uff08\u6216\u5b9e\u4f8b\uff09\u5747\u8bbe\u7f6e\u72ec\u7acb\u7684\u5b9a\u65f6\u4efb\u52a1\uff0c\u540c\u65f6\u91c7\u7528\u591a\u4e2a<code>zset<\/code>\u961f\u5217\uff0c\u4ee5\u6570\u5b57\u540e\u7f00\u533a\u5206\u3002<\/p>\n<p>\u5047\u8bbe\u6709<strong>M<\/strong>\u4e2a<code>zset<\/code>\u961f\u5217\uff0c\u521b\u5efa\u5ef6\u65f6\u6d88\u606f\u65f6\u9009\u53d6\u6d88\u606f\u7684\u67d0\u4e2a<code>ID<\/code>\u5b57\u6bb5\uff0c\u8ba1\u7b97<code>hash<\/code>\u503c\u518d\u5bf9<strong>M<\/strong>\u53d6\u4f59\uff0c\u6839\u636e\u4f59\u6570\u51b3\u5b9a\u53d1\u9001\u5230\u5bf9\u5e94\u6570\u5b57\u540e\u7f00\u7684<code>zset<\/code>\u961f\u5217\u4e2d\uff08\u5206\u6563\u6d88\u606f\uff0c\u6b64\u5904<code>ID<\/code>\u5b57\u6bb5\u9009\u53d6\u9700\u8981\u8003\u8651\u505a\u5230\u5747\u5300\u5206\u5e03\uff0c\u4e0d\u8981\u9020\u6210\u6570\u636e\u503e\u659c\uff09\u3002<\/p>\n<p>\u961f\u5217\u6570\u91cf<strong>M<\/strong>\u7684\u9009\u53d6\u9700\u8981\u8003\u8651\u673a\u5668\u6570\u91cf<strong>N<\/strong>\uff0c\u7406\u60f3\u60c5\u51b5\u4e0b\u6709\u591a\u5c11\u53f0\u673a\u5668\u5c31\u5b9a\u4e49\u591a\u5c11\u4e2a\u961f\u5217\uff0c\u4fdd\u6301<strong>M<\/strong>\u4e0e<strong>N<\/strong>\u57fa\u672c\u76f8\u7b49\u5373\u53ef\u3002<\/p>\n<p>\u56e0\u4e3a\u961f\u5217\u592a\u5c11\uff0c\u4f1a\u9020\u6210\u673a\u5668\u5bf9\u961f\u5217\u7684\u7ade\u4e89\u8bbf\u95ee\u5904\u7406\uff0c\u961f\u5217\u592a\u591a\u53c8\u4f1a\u5bfc\u81f4\u4efb\u52a1\u5f97\u4e0d\u5230\u53ca\u65f6\u7684\u5904\u7406\u3002<\/p>\n<p>\u6700\u4f73\u5b9e\u8df5\u662f\u961f\u5217\u6570\u91cf\u53ef\u52a8\u6001\u914d\u7f6e\uff0c\u5982\u91c7\u7528\u5206\u5e03\u5f0f\u914d\u7f6e\u4e2d\u5fc3\uff0c\u8fd9\u6837\u5f53\u96c6\u7fa4\u673a\u5668\u6570\u91cf\u53d8\u5316\u65f6\uff0c\u53ef\u4ee5\u76f8\u5e94\u8c03\u6574\u961f\u5217\u6570\u91cf\u3002<\/p>\n<p>\u6bcf\u53f0\u673a\u5668\u5728\u89e6\u53d1\u5b9a\u65f6\u4efb\u52a1\u65f6\uff0c\u9700\u8981\u901a\u8fc7\u9002\u5f53\u7684\u8d1f\u8f7d\u5747\u8861\u6765\u51b3\u5b9a\u4ece\u54ea\u4e2a\u961f\u5217\u62c9\u53d6\u6d88\u606f\uff0c\u8d1f\u8f7d\u5747\u8861\u7684\u597d\u574f\u4e5f\u4f1a\u5f71\u54cd\u6574\u4e2a\u96c6\u7fa4\u7684\u6548\u7387\uff0c\u5982\u679c\u8d1f\u8f7d\u5206\u5e03\u4e0d\u5747\u53ef\u80fd\u4f1a\u5bfc\u81f4\u591a\u53f0\u673a\u5668\u7ade\u4e89\u5904\u7406\u540c\u4e00\u961f\u5217\uff0c\u964d\u4f4e\u6548\u7387\u3002<\/p>\n<p>\u4e00\u4e2a\u7b80\u5355\u5b9e\u7528\u7684\u505a\u6cd5\u662f\u5229\u7528<code>redis<\/code>\u7684\u81ea\u589e\u64cd\u4f5c\u518d\u5bf9\u961f\u5217\u6570\u91cf\u53d6\u4f59\u5373\u53ef\uff0c\u53ea\u8981\u4fdd\u6301\u961f\u5217\u6570\u91cf\u548c\u673a\u5668\u6570\u91cf\u57fa\u672c\u76f8\u7b49\uff0c\u8fd9\u79cd\u505a\u6cd5\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u5c31\u53ef\u4ee5\u4fdd\u8bc1\u4e0d\u4f1a\u6709\u591a\u53f0\u673a\u5668\u7ade\u4e89\u540c\u4e00\u961f\u5217\u3002<\/p>\n<p>\u81f3\u4e8e\u6bcf\u53f0\u673a\u5668\u4ece\u5bf9\u5e94<code>zset<\/code>\u4e2d\u7684\u4efb\u52a1\u83b7\u53d6\u903b\u8f91\uff0c\u4ecd\u7136\u548c\u524d\u9762\u4ee3\u7801\u4e00\u81f4\u3002\u4ee5\u4e0a\u65b9\u5f0f\u7b80\u5316\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre>@Scheduled(cron&nbsp;=&nbsp;\"0\/5&nbsp;*&nbsp;*&nbsp;*&nbsp;*&nbsp;?\")\npublic&nbsp;void&nbsp;scanBusiness1()&nbsp;{\n\t\/\/&nbsp;\u961f\u5217\u6570\u91cfM\uff0c\u8003\u8651\u52a8\u6001\u914d\u7f6e\uff0c\u4fdd\u6301\u548c\u673a\u5668\u6570\u91cf\u57fa\u672c\u4e00\u81f4\n\tint&nbsp;M&nbsp;=&nbsp;10;\n\t\/\/&nbsp;redis\u81ea\u589ekey\uff0c\u7528\u4e8e\u8d1f\u8f7d\u5747\u8861\n\tString&nbsp;incrKey&nbsp;=&nbsp;\"incrkey:delayqueue:business1\";\n\t\/\/&nbsp;\u6bcf\u53f0\u673a\u5668\u6267\u884c\u65f6\uff0c\u4ece\u4e0d\u540c\u7684zset\u4e2d\u62c9\u53d6\u6d88\u606f\uff0c\u5c3d\u91cf\u786e\u4fdd\u4e0d\u540c\u673a\u5668\u8bbf\u95ee\u4e0d\u540czset\n\tString&nbsp;zsetKey&nbsp;=&nbsp;\"delayqueue:business1:\"&nbsp;+&nbsp;(stringRedisTemplate.opsForValue().increment(incrKey)&nbsp;%&nbsp;M);\n\twhile&nbsp;(true)&nbsp;{\n\t\t\/\/&nbsp;\u6b64\u5904\u903b\u8f91\u548c\u524d\u9762\u4ee3\u7801\u4e00\u81f4\uff0c\u7701\u7565\u3002\u3002\u3002\n\t}\n}<\/pre>\n<p>\u4e0a\u8ff0\u65b9\u6848\u548c\u7b2c\u4e00\u79cd\u65b9\u6848\u7684\u4e3b\u8981\u7684\u4e0d\u540c\u70b9\u5728\u4e8e<code>zsetKey<\/code>\u7684\u83b7\u53d6\u4e0a\uff0c\u8fd9\u91cc\u662f\u6839\u636e\u8d1f\u8f7d\u5747\u8861\u7b97\u6cd5\u7b97\u51fa\u6765\u7684\uff0c\u786e\u4fdd\u6bcf\u53f0\u673a\u5668\u8bbf\u95ee\u4e0d\u540c<code>zset<\/code>\u5e76\u62c9\u53d6\u6d88\u606f\uff0c\u540c\u65f6\u5b9a\u65f6\u4efb\u52a1\u91c7\u7528<code>spring<\/code>\u63d0\u4f9b\u7684\u8fdb\u7a0b\u5185\u6ce8\u89e3<code>@Scheduled<\/code>\uff0c\u96c6\u7fa4\u5185\u6bcf\u53f0\u673a\u5668\u90fd\u4f1a\u95f4\u96945\u79d2\u6267\u884c\uff0c\u56e0\u6b64\u76f8\u6bd4\u4e4b\u524d\u7684\u65b9\u6848\uff0c\u80fd\u591f\u8f83\u4e3a\u660e\u663e\u5730\u63d0\u5347\u6574\u4e2a\u96c6\u7fa4\u7684\u541e\u5410\u91cf\u3002<\/p>\n<p>\u4f46\u662f\u8fd9\u79cd\u65b9\u6848\u7684\u6b65\u9aa4\u76f8\u5bf9\u66f4\u4e3a\u590d\u6742\uff0c\u9700\u8981\u52a8\u6001\u914d\u7f6e\u961f\u5217\u6570\u91cf\uff0c\u540c\u65f6\u5728\u521b\u5efa\u5ef6\u65f6\u4efb\u52a1\u65f6\u9700\u8981\u9009\u62e9\u5408\u9002\u7684\u6d88\u606f<code>ID<\/code>\u5b57\u6bb5\u6765\u51b3\u5b9a\u53d1\u9001\u7684\u76ee\u6807<code>zset<\/code>\u961f\u5217\uff0c\u6b64\u5904\u8fd8\u8981\u8003\u8651\u5747\u5300\u5206\u5e03\uff0c\u6574\u4f53\u5b9e\u73b0\u8981\u8003\u8651\u7684\u56e0\u7d20\u8f83\u591a\u3002<\/p>\n<p>\u4e0a\u9762\u4e00\u79cd\u65b9\u6848\u5df2\u7ecf\u80fd\u591f\u8f83\u597d\u5730\u6ee1\u8db3\u6574\u4f53\u541e\u5410\u91cf\u8981\u6c42\uff0c\u4f46\u5176\u7f3a\u70b9\u662f\u6b65\u9aa4\u76f8\u5bf9\u590d\u6742\uff0c\u56e0\u6b64\u9879\u76ee\u4e2d\u6ca1\u6709\u91c7\u7528\u8fd9\u79cd\u65b9\u6848\uff0c\u800c\u662f\u91c7\u7528\u4e0b\u9762\u4e00\u79cd\u4e5f\u80fd\u6ee1\u8db3\u541e\u5410\u91cf\u8981\u6c42\uff0c\u6b65\u9aa4\u76f8\u5bf9\u7b80\u5355\uff0c\u53c8\u65b9\u4fbf\u901a\u7528\u5316\u7684\u65b9\u6848\u3002<\/p>\n<p>\u8be5\u65b9\u6848\u4e0d\u4f7f\u7528\u5b9a\u65f6\u4efb\u52a1\uff0c\u800c\u662f\u5355\u72ec\u542f\u52a8\u540e\u53f0\u7ebf\u7a0b\uff0c\u5728\u7ebf\u7a0b\u4e2d\u6267\u884c\u6c38\u4e45\u5faa\u73af\uff0c\u6bcf\u6b21\u5faa\u73af\u903b\u8f91\u4e3a\uff1a\u4ece\u76ee\u6807<code>zset<\/code>\u4e2d\u83b7\u53d6<code>score<\/code>\u503c\u5c0f\u4e8e\u5f53\u524d\u65f6\u95f4\u6233\u7684\u5143\u7d20\u96c6\u5408\u4e2d\u7684<code>score<\/code>\u6700\u5c0f\u7684\u90a3\u4e2a\u5143\u7d20\uff0c\u76f8\u5f53\u4e8e\u83b7\u53d6\u5f53\u524d\u65f6\u95f4\u70b9\u9700\u8981\u6267\u884c\u4e14\u6267\u884c\u65f6\u95f4\u70b9\u6700\u65e9\u7684\u90a3\u4e2a\u4efb\u52a1\uff0c\u5982\u679c\u83b7\u53d6\u4e0d\u5230\uff0c\u8868\u793a\u5f53\u524d\u65f6\u95f4\u70b9\u4e0b\u6682\u65e0\u9700\u8981\u6267\u884c\u7684\u4efb\u52a1\uff0c\u5219\u7ebf\u7a0b\u4f11\u7720<code>100ms<\/code>\uff08\u53ef\u89c6\u60c5\u51b5\u8c03\u6574\uff09\uff0c\u5426\u5219\uff0c\u5bf9\u83b7\u53d6\u5230\u7684\u5143\u7d20\u8fdb\u884c\u5904\u7406\uff0c\u5728\u5206\u5e03\u5f0f\u591a\u7ebf\u7a0b\u73af\u5883\u4e0b\uff0c\u4ecd\u7136\u9700\u8981\u5148\u5220\u9664\u6210\u529f\u624d\u80fd\u8fdb\u884c\u5904\u7406\u3002<\/p>\n<p>\u6b64\u5916\uff0c\u8003\u8651\u5230\u6bcf\u4e2a\u7ebf\u7a0b\u83b7\u53d6\u5143\u7d20\u540e\u90fd\u9700\u8981\u518d\u6b21\u8bbf\u95ee<code>redis<\/code>\u5c1d\u8bd5\u5220\u9664\u64cd\u4f5c\uff0c\u4e3a\u4e86\u907f\u514d\u591a\u7ebf\u7a0b\u4e89\u62a2\u6d6a\u8d39\u8d44\u6e90\uff0c\u964d\u4f4e\u6548\u7387\uff0c\u8fd9\u91cc\u91c7\u7528<code>lua<\/code>\u811a\u672c\u5c06\u83b7\u53d6\u548c\u5220\u9664\u64cd\u4f5c\u539f\u5b50\u5316\u3002<code>lua<\/code>\u811a\u672c\u903b\u8f91\u4ee3\u7801\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre>local&nbsp;zsetKey&nbsp;=&nbsp;'delayqueue'\nlocal&nbsp;timestamp&nbsp;=&nbsp;1614608094000\nlocal&nbsp;items&nbsp;=&nbsp;redis.call('zrangebyscore',zsetKey,0,timestamp,'limit',0,1)\nif&nbsp;#items&nbsp;==&nbsp;0&nbsp;then\n&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;''\nelse\n&nbsp;&nbsp;&nbsp;&nbsp;redis.call('zremrangebyrank',zsetKey,0,0)\n&nbsp;&nbsp;&nbsp;&nbsp;return&nbsp;items[1]\nend<\/pre>\n<p>\u5176\u4e2d<code>timestamp<\/code>\u4e3a\u5f53\u524d\u65f6\u95f4\u6233\uff0c\u901a\u8fc7\u5728<code>zrangebyscore<\/code>\u547d\u4ee4\u4e2d\u6307\u5b9a<code>limit<\/code>\u4e3a1\u6765\u83b7\u53d6<code>score<\/code>\u6700\u5c0f\u7684\u5143\u7d20\uff0c\u82e5\u83b7\u53d6\u4e0d\u5230\uff0c\u5373\u7ed3\u679c\u96c6\u957f\u5ea6\u4e3a0\uff0c\u5219\u8fd4\u56de\u7a7a\u5b57\u7b26\u4e32\uff0c\u5426\u5219\uff0c\u901a\u8fc7<code>zremrangebyrank<\/code>\u547d\u4ee4\u5220\u9664\u5934\u90e8\u5143\u7d20\uff0c\u5373<code>score<\/code>\u6700\u5c0f\u7684\u5143\u7d20\uff0c\u4e5f\u5c31\u662f\u4e4b\u524d\u83b7\u53d6\u5230\u7684\u90a3\u4e2a\u5143\u7d20\uff0c\u7531\u4e8e<code>redis<\/code>\u5185\u90e8\u4fdd\u8bc1<code>lua<\/code>\u811a\u672c\u7684\u539f\u5b50\u6027\uff0c\u4e0a\u8ff0\u83b7\u53d6\u5e76\u5220\u9664\u7684\u64cd\u4f5c\u80fd\u591f\u8fd0\u884c\u65e0\u8bef\u3002\u5177\u4f53<code>JAVA<\/code>\u5b9e\u73b0\u4e2d\u8fd8\u5bf9\u5176\u8fdb\u884c\u4e86\u591a\u7ebf\u7a0b\u64cd\u4f5c\u7684\u5c01\u88c5\u548c\u901a\u7528\u5316\u7684\u62bd\u8c61\uff0c\u4f7f\u4e0d\u540c\u4e1a\u52a1\u90fd\u80fd\u591f\u4f7f\u7528\u8be5\u7ec4\u4ef6\u5b9e\u73b0\u5ef6\u65f6\u961f\u5217\u3002\u5177\u4f53\u5b9e\u73b0\u4ee3\u7801\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<pre>\/**\n&nbsp;*&nbsp;\u57fa\u4e8eZSET\u5b9e\u73b0\u6d88\u606f\u5ef6\u8fdf\u5904\u7406\uff0cscore\u5b58\u50a8\u6267\u884c\u65f6\u95f4\u70b9\uff0c\u5230\u8fbe\u65f6\u95f4\u70b9\u5373\u4f1a\u5411\u6307\u5b9a\u961f\u5217\u53d1\u9001\u8be5\u6d88\u606f\uff1b\n&nbsp;*&nbsp;\u5b9a\u4e49\u4e00\u4e2a\u7ee7\u627f\u672c\u7c7b\u7684bean\u5373\u53ef\uff1b\n&nbsp;*\/\npublic&nbsp;abstract&nbsp;class&nbsp;AbstractDelayedMsgScanTrigger&nbsp;implements&nbsp;Runnable,&nbsp;DisposableBean&nbsp;{\n\tprivate&nbsp;static&nbsp;final&nbsp;RedisScript\n   \n    &nbsp;TRY_GET_AND_DEL_SCRIPT;\n\tstatic&nbsp;{\n\t\t\/\/&nbsp;\u83b7\u53d6\u5e76\u5220\u9664\u7684lua\u811a\u672c\uff0c\u4f7f\u7528spring\u63d0\u4f9b\u7684api\n\t\tString&nbsp;sb&nbsp;=&nbsp;\"local&nbsp;items&nbsp;=&nbsp;redis.call('zrangebyscore',KEYS[1],0,ARGV[1],'limit',0,1)\\n\"&nbsp;+\n\t\t\t\t\"if&nbsp;#items&nbsp;==&nbsp;0&nbsp;then\\n\"&nbsp;+\n\t\t\t\t\"\\treturn&nbsp;''\\n\"&nbsp;+\n\t\t\t\t\"else\\n\"&nbsp;+\n\t\t\t\t\"\\tredis.call('zremrangebyrank',KEYS[1],0,0)\\n\"&nbsp;+\n\t\t\t\t\"\\treturn&nbsp;items[1]\\n\"&nbsp;+\n\t\t\t\t\"end\";\n\t\t\/\/&nbsp;\u81ea\u6709\u5de5\u5177\u7c7b\uff0c\u53ea\u8981\u80fd\u521b\u5efa\u51faspring\u5305\u4e0b\u7684&nbsp;RedisScript&nbsp;\u7684\u5b9e\u73b0\u7c7b\u5bf9\u8c61\u5747\u53ef\n\t\tTRY_GET_AND_DEL_SCRIPT&nbsp;=&nbsp;RedisScriptHelper.createScript(sb,&nbsp;String.class);\n\t}\n\tprivate&nbsp;final&nbsp;ThreadPoolExecutor&nbsp;EXECUTOR&nbsp;=&nbsp;new&nbsp;ThreadPoolExecutor(getThreadNum(),&nbsp;getThreadNum(),\n\t\t\t0,&nbsp;TimeUnit.MILLISECONDS,&nbsp;new&nbsp;LinkedBlockingQueue(),&nbsp;new&nbsp;NamedThreadFactory(getThreadNamePrefix()));\n\tprivate&nbsp;volatile&nbsp;boolean&nbsp;quit&nbsp;=&nbsp;false;\n\t@Autowired\n\tprivate&nbsp;StringRedisTemplate&nbsp;stringRedisTemplate;\n\t@Autowired\n\tprivate&nbsp;RabbitTemplate&nbsp;rabbitTemplate;\n\t@PostConstruct\n\tpublic&nbsp;void&nbsp;startScan()&nbsp;{\n\t\t\/\/&nbsp;bean\u6784\u5efa\u5b8c\u6210\u540e\uff0c\u542f\u52a8\u82e5\u5e72\u6267\u884c\u7ebf\u7a0b\n\t\tint&nbsp;threadNum&nbsp;=&nbsp;getThreadNum();\n\t\tfor&nbsp;(int&nbsp;i&nbsp;=&nbsp;0;&nbsp;i&nbsp;\n    <p>\u5728\u5177\u4f53\u4e1a\u52a1\u5e94\u7528\u4e2d\uff0c\u53ea\u9700\u5b9a\u4e49\u4e00\u4e2a\u7ee7\u627f\u4e0a\u8ff0\u7c7b\u7684<code>bean<\/code>\u5373\u53ef\uff0c\u9700\u8981\u5b9e\u73b0\u7684\u65b9\u6cd5\u4e3b\u8981\u662f\u63d0\u4f9b\u4e00\u4e9b\u914d\u7f6e\uff0c\u6bd4\u5982\u8be5\u4e1a\u52a1\u5bf9\u5e94\u7684<code>zset<\/code>\u5ef6\u65f6\u961f\u5217\u540d\u79f0\uff0c\u540c\u65f6\u5de5\u4f5c\u62c9\u53d6\u6d88\u606f\u7684\u7ebf\u7a0b\u6570\u91cf\uff0c\u7531\u4e8e\u91c7\u7528<code>rabbitMq<\/code>\uff0c\u56e0\u6b64\u8fd9\u91cc\u9700\u8981\u63d0\u4f9b<code>exchange<\/code>\u548c<code>routingKey<\/code>\u3002<\/p>\n    <p>\u5b9e\u9645\u4f7f\u7528\u4e2d\u53ea\u9700\u5411\u8be5<code>zset<\/code>\u961f\u5217\u4e2d\u6dfb\u52a0\u6d88\u606f\uff0c\u5e76\u5c06<code>score<\/code>\u8bbe\u4e3a\u8be5\u4efb\u52a1\u9700\u8981\u6267\u884c\u7684\u65f6\u95f4\u70b9\uff08\u6b64\u5904\u4e3a13\u4f4d\u6beb\u79d2\u65f6\u95f4\u6233\uff09\uff0c\u5219\u5230\u8be5\u65f6\u95f4\u70b9\u540e\uff0c\u4e0a\u8ff0\u7ec4\u4ef6\u4fbf\u4f1a\u5c06\u8be5\u6d88\u606f\u4ece<code>zset<\/code>\u4e2d\u53d6\u51fa\u5e76\u5220\u9664\uff0c\u518d\u5c06\u5176\u901a\u8fc7\u6307\u5b9a\u7684\u8def\u7531\u53d1\u9001\u5230\u5b9e\u65f6<code>MQ<\/code>\u6d88\u8d39\u961f\u5217\u4e2d\uff0c\u7531\u6d88\u8d39\u8005\u8d1f\u8d23\u6267\u884c\u4efb\u52a1\u4e1a\u52a1\u903b\u8f91\u3002\u76ee\u524d\u8be5\u7ec4\u4ef6\u5728\u9879\u76ee\u4e2d\u6b63\u5e38\u5e73\u7a33\u8fd0\u884c\u3002<\/p>\n    <p><strong>\u6ce8\u610f\uff1a<\/strong><\/p>\n    <p>\u672c\u6587\u7ed3\u5408\u9879\u76ee\u4e2d\u7684\u5b9e\u9645\u9700\u6c42\u4ecb\u7ecd\u4e86\u5ef6\u65f6\u961f\u5217\u7684\u5e94\u7528\u573a\u666f\uff0c\u5206\u6790\u4e86\u5ef6\u65f6\u961f\u5217\u7684\u591a\u79cd\u5b9e\u73b0\uff0c\u91cd\u70b9\u8bb2\u8ff0\u4e86\u5229\u7528<code>redis<\/code>\u5b9e\u73b0\u5ef6\u65f6\u961f\u5217\u7684\u539f\u7406\uff0c\u5bf9\u5176\u5b9e\u73b0\u65b9\u6848\u8fdb\u884c\u6bd4\u8f83\u4e0e\u4f18\u5316\uff0c\u5e76\u5c06\u6700\u7ec8\u65b9\u6848\u5b9e\u9645\u8fd0\u7528\u4e8e\u9879\u76ee\u9700\u6c42\u4e2d\u3002<\/p>\n    \n   <\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u4f55\u7528Redis\u5b9e\u73b0\u5ef6\u8fdf\u961f\u5217\uff1f &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-201685","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201685","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=201685"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201685\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201685"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201685"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201685"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}