{"id":161701,"date":"2024-11-04T08:37:32","date_gmt":"2024-11-04T00:37:32","guid":{"rendered":"https:\/\/server.hk\/cnblog\/161701\/"},"modified":"2024-11-04T08:37:33","modified_gmt":"2024-11-04T00:37:33","slug":"%e5%9f%ba%e6%96%bc-redis-%e5%af%a6%e7%8f%be%e6%9c%89%e7%95%8c%e9%9a%8a%e5%88%97%e6%a8%a1%e6%93%ac%ef%bc%88redis-%e6%a8%a1%e6%93%ac%e6%9c%89%e7%95%8c%e9%9a%8a%e5%88%97%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/161701\/","title":{"rendered":"\u57fa\u65bc Redis \u5be6\u73fe\u6709\u754c\u968a\u5217\u6a21\u64ec\uff08redis \u6a21\u64ec\u6709\u754c\u968a\u5217\uff09"},"content":{"rendered":"<h1 id=\"%e5%9f%ba%e6%96%bc-redis-%e5%af%a6%e7%8f%be%e6%9c%89%e7%95%8c%e9%9a%8a%e5%88%97%e6%a8%a1%e6%93%ac%ef%bc%88redis-%e6%a8%a1%e6%93%ac%e6%9c%89%e7%95%8c%e9%9a%8a%e5%88%97%ef%bc%89-ZMffQmXMUx\">\u57fa\u65bc Redis \u5be6\u73fe\u6709\u754c\u968a\u5217\u6a21\u64ec\uff08redis \u6a21\u64ec\u6709\u754c\u968a\u5217\uff09<\/h1>\n<p>\u5728\u73fe\u4ee3\u61c9\u7528\u7a0b\u5e8f\u4e2d\uff0c\u968a\u5217\u662f\u4e00\u7a2e\u5e38\u898b\u7684\u6578\u64da\u7d50\u69cb\uff0c\u7528\u65bc\u7ba1\u7406\u4efb\u52d9\u7684\u57f7\u884c\u9806\u5e8f\u3002\u7279\u5225\u662f\u5728\u5206\u4f48\u5f0f\u7cfb\u7d71\u4e2d\uff0c\u968a\u5217\u7684\u4f7f\u7528\u53ef\u4ee5\u6709\u6548\u5730\u89e3\u8026\u4e0d\u540c\u7684\u670d\u52d9\uff0c\u4e26\u63d0\u9ad8\u7cfb\u7d71\u7684\u53ef\u64f4\u5c55\u6027\u548c\u53ef\u9760\u6027\u3002Redis \u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u7684\u652f\u6301\uff0c\u5176\u4e2d\u5305\u62ec\u5217\u8868\uff08List\uff09\uff0c\u9019\u4f7f\u5f97\u5b83\u6210\u70ba\u5be6\u73fe\u6709\u754c\u968a\u5217\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e6%9c%89%e7%95%8c%e9%9a%8a%e5%88%97%ef%bc%9f-ZMffQmXMUx\">\u4ec0\u9ebc\u662f\u6709\u754c\u968a\u5217\uff1f<\/h2>\n<p>\u6709\u754c\u968a\u5217\u662f\u4e00\u7a2e\u9650\u5236\u5176\u5bb9\u91cf\u7684\u968a\u5217\uff0c\u7576\u968a\u5217\u9054\u5230\u6700\u5927\u5bb9\u91cf\u6642\uff0c\u4efb\u4f55\u65b0\u7684\u63d2\u5165\u64cd\u4f5c\u90fd\u6703\u88ab\u62d2\u7d55\u6216\u963b\u585e\uff0c\u76f4\u5230\u6709\u7a7a\u9593\u53ef\u7528\u3002\u9019\u7a2e\u7279\u6027\u5728\u8a31\u591a\u61c9\u7528\u5834\u666f\u4e2d\u90fd\u975e\u5e38\u91cd\u8981\uff0c\u4f8b\u5982\u5728\u751f\u7522\u8005-\u6d88\u8cbb\u8005\u6a21\u578b\u4e2d\uff0c\u751f\u7522\u8005\u9700\u8981\u63a7\u5236\u751f\u6210\u901f\u5ea6\u4ee5\u907f\u514d\u6d88\u8017\u904e\u591a\u7684\u8cc7\u6e90\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%88%97%e8%a1%a8%e7%b5%90%e6%a7%8b-ZMffQmXMUx\">Redis \u7684\u5217\u8868\u7d50\u69cb<\/h2>\n<p>Redis \u7684\u5217\u8868\u662f\u4e00\u7a2e\u96d9\u5411\u93c8\u8868\uff0c\u53ef\u4ee5\u5728\u5176\u5169\u7aef\u9032\u884c\u9ad8\u6548\u7684\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\u3002\u9019\u4f7f\u5f97\u5b83\u975e\u5e38\u9069\u5408\u7528\u4f86\u5be6\u73fe\u968a\u5217\u3002Redis \u63d0\u4f9b\u4e86\u591a\u500b\u547d\u4ee4\u4f86\u64cd\u4f5c\u5217\u8868\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><code>LPUSH<\/code>\uff1a\u5c07\u4e00\u500b\u6216\u591a\u500b\u503c\u63d2\u5165\u5230\u5217\u8868\u7684\u5de6\u5074\u3002<\/li>\n<li><code>RPUSH<\/code>\uff1a\u5c07\u4e00\u500b\u6216\u591a\u500b\u503c\u63d2\u5165\u5230\u5217\u8868\u7684\u53f3\u5074\u3002<\/li>\n<li><code>LPOP<\/code>\uff1a\u79fb\u9664\u4e26\u8fd4\u56de\u5217\u8868\u7684\u5de6\u5074\u7b2c\u4e00\u500b\u5143\u7d20\u3002<\/li>\n<li><code>RPOP<\/code>\uff1a\u79fb\u9664\u4e26\u8fd4\u56de\u5217\u8868\u7684\u53f3\u5074\u7b2c\u4e00\u500b\u5143\u7d20\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e6%9c%89%e7%95%8c%e9%9a%8a%e5%88%97%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%80%9d%e8%b7%af-ZMffQmXMUx\">\u5be6\u73fe\u6709\u754c\u968a\u5217\u7684\u57fa\u672c\u601d\u8def<\/h2>\n<p>\u8981\u5728 Redis \u4e2d\u5be6\u73fe\u6709\u754c\u968a\u5217\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\u7d50\u69cb\u4f86\u5b58\u5132\u968a\u5217\u7684\u5143\u7d20\uff0c\u4e26\u5728\u63d2\u5165\u65b0\u5143\u7d20\u4e4b\u524d\u6aa2\u67e5\u7576\u524d\u5217\u8868\u7684\u9577\u5ea6\u3002\u5982\u679c\u5217\u8868\u7684\u9577\u5ea6\u9054\u5230\u9810\u8a2d\u7684\u6700\u5927\u5bb9\u91cf\uff0c\u6211\u5011\u53ef\u4ee5\u9078\u64c7\u963b\u585e\u63d2\u5165\u6216\u4e1f\u68c4\u65b0\u5143\u7d20\u3002<\/p>\n<h3 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-ZMffQmXMUx\">\u793a\u4f8b\u4ee3\u78bc<\/h3>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528 Python \u548c Redis-py \u5eab\u5be6\u73fe\u6709\u754c\u968a\u5217\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\n\nclass BoundedQueue:\n    def __init__(self, redis_client, queue_name, max_size):\n        self.redis = redis_client\n        self.queue_name = queue_name\n        self.max_size = max_size\n\n    def enqueue(self, item):\n        if self.redis.llen(self.queue_name) &lt; self.max_size:\n            self.redis.rpush(self.queue_name, item)\n        else:\n            print(&quot;Queue is full. Cannot enqueue item.&quot;)\n\n    def dequeue(self):\n        return self.redis.lpop(self.queue_name)\n\n# \u4f7f\u7528\u793a\u4f8b\nif __name__ == &quot;__main__&quot;:\n    r = redis.Redis(host=&#039;localhost&#039;, port=6379, db=0)\n    queue = BoundedQueue(r, &#039;my_queue&#039;, 5)\n\n    # \u6dfb\u52a0\u5143\u7d20\n    for i in range(7):\n        queue.enqueue(i)\n\n    # \u79fb\u9664\u5143\u7d20\n    for _ in range(3):\n        print(queue.dequeue())\n<\/code><\/pre>\n<h2 id=\"%e9%80%b2%e4%b8%80%e6%ad%a5%e7%9a%84%e8%80%83%e9%87%8f-ZMffQmXMUx\">\u9032\u4e00\u6b65\u7684\u8003\u91cf<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u9664\u4e86\u57fa\u672c\u7684\u5165\u968a\u548c\u51fa\u968a\u64cd\u4f5c\u5916\uff0c\u9084\u9700\u8981\u8003\u616e\u5176\u4ed6\u56e0\u7d20\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li><strong>\u963b\u585e\u64cd\u4f5c\uff1a<\/strong>\u53ef\u4ee5\u4f7f\u7528 <code>BLPOP<\/code> \u548c <code>BRPOP<\/code> \u547d\u4ee4\u4f86\u5be6\u73fe\u963b\u585e\u5f0f\u7684\u51fa\u968a\u64cd\u4f5c\uff0c\u9019\u6a23\u7576\u968a\u5217\u70ba\u7a7a\u6642\uff0c\u6d88\u8cbb\u8005\u53ef\u4ee5\u7b49\u5f85\u76f4\u5230\u6709\u65b0\u5143\u7d20\u53ef\u7528\u3002<\/li>\n<li><strong>\u932f\u8aa4\u8655\u7406\uff1a<\/strong>\u5728\u9ad8\u4f75\u767c\u74b0\u5883\u4e2d\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u7af6\u722d\u689d\u4ef6\uff0c\u56e0\u6b64\u9700\u8981\u9069\u7576\u7684\u932f\u8aa4\u8655\u7406\u6a5f\u5236\u4f86\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002<\/li>\n<li><strong>\u6027\u80fd\u512a\u5316\uff1a<\/strong>\u6839\u64da\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\uff0c\u53ef\u80fd\u9700\u8981\u5c0d Redis \u7684\u914d\u7f6e\u9032\u884c\u8abf\u6574\uff0c\u4ee5\u7372\u5f97\u6700\u4f73\u6027\u80fd\u3002<\/li>\n<\/ul>\n<h2 id=\"%e7%b8%bd%e7%b5%90-ZMffQmXMUx\">\u7e3d\u7d50<\/h2>\n<p>\u57fa\u65bc Redis \u5be6\u73fe\u6709\u754c\u968a\u5217\u662f\u4e00\u7a2e\u9ad8\u6548\u4e14\u9748\u6d3b\u7684\u89e3\u6c7a\u65b9\u6848\uff0c\u9069\u5408\u7528\u65bc\u5404\u7a2e\u9700\u8981\u4efb\u52d9\u6392\u968a\u7684\u61c9\u7528\u5834\u666f\u3002\u901a\u904e\u5408\u7406\u5229\u7528 Redis \u7684\u5217\u8868\u7d50\u69cb\u548c\u547d\u4ee4\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u968a\u5217\u7684\u5927\u5c0f\uff0c\u4e26\u78ba\u4fdd\u7cfb\u7d71\u7684\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u3002\u5982\u679c\u60a8\u5c0d\u65bc <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u6216\u5176\u4ed6\u4f3a\u670d\u5668\u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u4fe1\u606f\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u57fa\u65bc Redis \u5be6\u73fe\u6709\u754c\u968a\u5217\u6a21\u64ec\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u78ba\u4fdd\u8cc7\u6e90\u7ba1\u7406\u8207\u6027\u80fd\u512a\u5316\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-161701","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161701","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"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=161701"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161701\/revisions"}],"predecessor-version":[{"id":161702,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/161701\/revisions\/161702"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=161701"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=161701"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=161701"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}