{"id":128709,"date":"2024-10-26T16:10:22","date_gmt":"2024-10-26T08:10:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/128709\/"},"modified":"2024-10-26T16:10:23","modified_gmt":"2024-10-26T08:10:23","slug":"redis%e5%af%a6%e7%8f%be%e5%8f%af%e9%9d%a0%e9%ab%98%e6%95%88%e7%9a%84%e9%9a%8a%e5%88%97-list%ef%bc%88redis%e9%9a%8a%e5%88%97-list%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/128709\/","title":{"rendered":"Redis\u5be6\u73fe\u53ef\u9760\u9ad8\u6548\u7684\u968a\u5217 List\uff08Redis\u968a\u5217 list\uff09"},"content":{"rendered":"<h1 id=\"redis%e5%af%a6%e7%8f%be%e5%8f%af%e9%9d%a0%e9%ab%98%e6%95%88%e7%9a%84%e9%9a%8a%e5%88%97-list%ef%bc%88redis%e9%9a%8a%e5%88%97-list%ef%bc%89-NRiLNbjIZy\">Redis\u5be6\u73fe\u53ef\u9760\u9ad8\u6548\u7684\u968a\u5217 List\uff08Redis\u968a\u5217 list\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u968a\u5217\u662f\u4e00\u500b\u4e0d\u53ef\u6216\u7f3a\u7684\u7d44\u4ef6\uff0c\u5c24\u5176\u662f\u5728\u8655\u7406\u5927\u91cf\u8acb\u6c42\u6216\u4efb\u52d9\u6642\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u5f37\u5927\u7684\u6578\u64da\u7d50\u69cb\u652f\u6301\uff0c\u5176\u4e2d\u4e4b\u4e00\u5c31\u662f\u5217\u8868\uff08List\uff09\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u53ef\u9760\u4e14\u9ad8\u6548\u7684\u968a\u5217\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"redis%e5%88%97%e8%a1%a8%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-NRiLNbjIZy\">Redis\u5217\u8868\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\u7684\u5217\u8868\u662f\u4e00\u500b\u6709\u5e8f\u7684\u5b57\u7b26\u4e32\u96c6\u5408\uff0c\u652f\u6301\u5f9e\u5169\u7aef\u9032\u884c\u63d2\u5165\u548c\u522a\u9664\u64cd\u4f5c\u3002\u9019\u4f7f\u5f97\u5b83\u975e\u5e38\u9069\u5408\u7528\u4f5c\u968a\u5217\u3002Redis\u5217\u8868\u7684\u4e3b\u8981\u64cd\u4f5c\u5305\u62ec\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<li><code>LRANGE<\/code>\uff1a\u7372\u53d6\u5217\u8868\u4e2d\u6307\u5b9a\u7bc4\u570d\u7684\u5143\u7d20\u3002<\/li>\n<\/ul>\n<h2 id=\"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e9%9a%8a%e5%88%97%e7%9a%84%e5%84%aa%e5%8b%a2-NRiLNbjIZy\">\u4f7f\u7528Redis\u5be6\u73fe\u968a\u5217\u7684\u512a\u52e2<\/h2>\n<p>\u4f7f\u7528Redis\u4f5c\u70ba\u968a\u5217\u7684\u5f8c\u7aef\u6709\u591a\u500b\u512a\u52e2\uff1a<\/p>\n<ul>\n<li><strong>\u9ad8\u6548\u6027\uff1a<\/strong>Redis\u5728\u5167\u5b58\u4e2d\u64cd\u4f5c\u6578\u64da\uff0c\u8b80\u5beb\u901f\u5ea6\u6975\u5feb\uff0c\u80fd\u5920\u8655\u7406\u9ad8\u4e26\u767c\u7684\u8acb\u6c42\u3002<\/li>\n<li><strong>\u6301\u4e45\u6027\uff1a<\/strong>Redis\u652f\u6301\u6578\u64da\u6301\u4e45\u5316\uff0c\u80fd\u5920\u5728\u670d\u52d9\u5668\u91cd\u555f\u5f8c\u6062\u5fa9\u6578\u64da\u3002<\/li>\n<li><strong>\u7c21\u55ae\u6613\u7528\uff1a<\/strong>Redis\u7684API\u7c21\u55ae\u660e\u77ad\uff0c\u6613\u65bc\u96c6\u6210\u5230\u5404\u7a2e\u61c9\u7528\u4e2d\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%af%a6%e7%8f%be%e5%8f%af%e9%9d%a0%e7%9a%84%e9%9a%8a%e5%88%97-NRiLNbjIZy\">\u5be6\u73fe\u53ef\u9760\u7684\u968a\u5217<\/h2>\n<p>\u5728\u5be6\u73fe\u53ef\u9760\u7684\u968a\u5217\u6642\uff0c\u6211\u5011\u9700\u8981\u8003\u616e\u5230\u4efb\u52d9\u7684\u6d88\u8cbb\u548c\u932f\u8aa4\u8655\u7406\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u57fa\u672c\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u4f86\u5be6\u73fe\u4e00\u500b\u7c21\u55ae\u7684\u4efb\u52d9\u968a\u5217\u3002<\/p>\n<h3 id=\"%e7%94%9f%e7%94%a2%e8%80%85%e4%bb%a3%e7%a2%bc%e7%a4%ba%e4%be%8b-NRiLNbjIZy\">\u751f\u7522\u8005\u4ee3\u78bc\u793a\u4f8b<\/h3>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u751f\u7522\u8005\u5c07\u4efb\u52d9\u63a8\u5165\u968a\u5217\ndef produce_task(task):\n    r.rpush('task_queue', task)\n    print(f'\u4efb\u52d9 {task} \u5df2\u52a0\u5165\u968a\u5217')\n\n# \u793a\u4f8b\uff1a\u6dfb\u52a0\u4efb\u52d9\nproduce_task('\u4efb\u52d91')\nproduce_task('\u4efb\u52d92')\n<\/code><\/pre>\n<h3 id=\"%e6%b6%88%e8%b2%bb%e8%80%85%e4%bb%a3%e7%a2%bc%e7%a4%ba%e4%be%8b-NRiLNbjIZy\">\u6d88\u8cbb\u8005\u4ee3\u78bc\u793a\u4f8b<\/h3>\n<pre><code>import redis\nimport time\n\n# \u9023\u63a5\u5230Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u6d88\u8cbb\u8005\u5f9e\u968a\u5217\u4e2d\u53d6\u51fa\u4efb\u52d9\ndef consume_task():\n    while True:\n        task = r.lpop('task_queue')\n        if task:\n            print(f'\u8655\u7406 {task.decode(\"utf-8\")}')\n            # \u6a21\u64ec\u4efb\u52d9\u8655\u7406\n            time.sleep(1)\n        else:\n            print('\u968a\u5217\u70ba\u7a7a\uff0c\u7b49\u5f85\u65b0\u4efb\u52d9...')\n            time.sleep(2)\n\n# \u958b\u59cb\u6d88\u8cbb\u4efb\u52d9\nconsume_task()\n<\/code><\/pre>\n<h2 id=\"%e9%8c%af%e8%aa%a4%e8%99%95%e7%90%86%e8%88%87%e9%87%8d%e8%a9%a6%e6%a9%9f%e5%88%b6-NRiLNbjIZy\">\u932f\u8aa4\u8655\u7406\u8207\u91cd\u8a66\u6a5f\u5236<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u4efb\u52d9\u53ef\u80fd\u6703\u56e0\u70ba\u5404\u7a2e\u539f\u56e0\u5931\u6557\u3002\u70ba\u4e86\u63d0\u9ad8\u968a\u5217\u7684\u53ef\u9760\u6027\uff0c\u53ef\u4ee5\u8003\u616e\u5be6\u73fe\u91cd\u8a66\u6a5f\u5236\u3002\u7576\u4efb\u52d9\u8655\u7406\u5931\u6557\u6642\uff0c\u53ef\u4ee5\u5c07\u5176\u653e\u56de\u968a\u5217\uff0c\u4e26\u8a2d\u7f6e\u4e00\u500b\u6700\u5927\u91cd\u8a66\u6b21\u6578\u3002<\/p>\n<h3 id=\"%e9%87%8d%e8%a9%a6%e6%a9%9f%e5%88%b6%e4%bb%a3%e7%a2%bc%e7%a4%ba%e4%be%8b-NRiLNbjIZy\">\u91cd\u8a66\u6a5f\u5236\u4ee3\u78bc\u793a\u4f8b<\/h3>\n<pre><code>def consume_task_with_retry(max_retries=3):\n    while True:\n        task = r.lpop('task_queue')\n        if task:\n            task = task.decode('utf-8')\n            retries = 0\n            while retries &lt; max_retries:\n                try:\n                    print(f&#039;\u8655\u7406 {task}&#039;)\n                    # \u6a21\u64ec\u4efb\u52d9\u8655\u7406\n                    if some_condition_that_might_fail():\n                        raise Exception(&#039;\u4efb\u52d9\u8655\u7406\u5931\u6557&#039;)\n                    break  # \u6210\u529f\u8655\u7406\uff0c\u8df3\u51fa\u91cd\u8a66\u5faa\u74b0\n                except Exception as e:\n                    retries += 1\n                    print(f&#039;\u932f\u8aa4: {e}\uff0c\u91cd\u8a66\u6b21\u6578: {retries}&#039;)\n                    time.sleep(1)  # \u7b49\u5f85\u5f8c\u518d\u91cd\u8a66\n            if retries == max_retries:\n                print(f&#039;\u4efb\u52d9 {task} \u8d85\u904e\u6700\u5927\u91cd\u8a66\u6b21\u6578\uff0c\u653e\u56de\u968a\u5217&#039;)\n                r.rpush(&#039;task_queue&#039;, task)  # \u653e\u56de\u968a\u5217\n        else:\n            print(&#039;\u968a\u5217\u70ba\u7a7a\uff0c\u7b49\u5f85\u65b0\u4efb\u52d9...&#039;)\n            time.sleep(2)\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-NRiLNbjIZy\">\u7e3d\u7d50<\/h2>\n<p>Redis\u63d0\u4f9b\u4e86\u4e00\u500b\u9ad8\u6548\u4e14\u53ef\u9760\u7684\u65b9\u5f0f\u4f86\u5be6\u73fe\u968a\u5217\uff0c\u7279\u5225\u9069\u5408\u9700\u8981\u9ad8\u4e26\u767c\u8655\u7406\u7684\u61c9\u7528\u5834\u666f\u3002\u901a\u904e\u4f7f\u7528Redis\u7684\u5217\u8868\u7d50\u69cb\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u5730\u7ba1\u7406\u4efb\u52d9\u7684\u751f\u7522\u548c\u6d88\u8cbb\uff0c\u4e26\u4e14\u53ef\u4ee5\u6839\u64da\u9700\u8981\u5be6\u73fe\u932f\u8aa4\u8655\u7406\u548c\u91cd\u8a66\u6a5f\u5236\u3002\u5c0d\u65bc\u9700\u8981\u7a69\u5b9a\u6027\u548c\u6027\u80fd\u7684\u61c9\u7528\uff0c\u9078\u64c7\u5408\u9069\u7684\u4e3b\u6a5f\u74b0\u5883\u81f3\u95dc\u91cd\u8981\u3002\u82e5\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u60a8\u7684\u9700\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22\u5982\u4f55\u5229\u7528Redis\u5be6\u73fe\u53ef\u9760\u9ad8\u6548\u7684\u968a\u5217\u7cfb\u7d71\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u7c21\u5316\u4efb\u52d9\u7ba1\u7406\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-128709","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128709","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=128709"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128709\/revisions"}],"predecessor-version":[{"id":128710,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/128709\/revisions\/128710"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=128709"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=128709"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=128709"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}