{"id":184938,"date":"2024-11-10T17:23:17","date_gmt":"2024-11-10T09:23:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/184938\/"},"modified":"2024-11-10T17:23:18","modified_gmt":"2024-11-10T09:23:18","slug":"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e7%92%b0%e5%bd%a2%e7%b7%a9%e5%ad%98%ef%bc%88redis%e7%92%b0%e5%bd%a2%e7%b7%a9%e5%ad%98%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/184938\/","title":{"rendered":"\u4f7f\u7528Redis\u5be6\u73fe\u74b0\u5f62\u7de9\u5b58\uff08redis\u74b0\u5f62\u7de9\u5b58\uff09"},"content":{"rendered":"<h1 id=\"%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e7%92%b0%e5%bd%a2%e7%b7%a9%e5%ad%98%ef%bc%88redis%e7%92%b0%e5%bd%a2%e7%b7%a9%e5%ad%98%ef%bc%89-bZPzoboVFa\">\u4f7f\u7528Redis\u5be6\u73fe\u74b0\u5f62\u7de9\u5b58\uff08Redis\u74b0\u5f62\u7de9\u5b58\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u61c9\u7528\u4e2d\uff0c\u6027\u80fd\u548c\u6548\u7387\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u5982\u4f55\u6709\u6548\u5730\u7ba1\u7406\u548c\u5b58\u5132\u6578\u64da\u6210\u70ba\u4e86\u958b\u767c\u8005\u9762\u81e8\u7684\u4e00\u5927\u6311\u6230\u3002Redis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u64da\u7d50\u69cb\u548c\u529f\u80fd\uff0c\u5176\u4e2d\u74b0\u5f62\u7de9\u5b58\u662f\u4e00\u500b\u975e\u5e38\u5be6\u7528\u7684\u7279\u6027\u3002\u672c\u6587\u5c07\u6df1\u5165\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Redis\u5be6\u73fe\u74b0\u5f62\u7de9\u5b58\uff0c\u4e26\u63d0\u4f9b\u76f8\u95dc\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af%e7%92%b0%e5%bd%a2%e7%b7%a9%e5%ad%98%ef%bc%9f-bZPzoboVFa\">\u4ec0\u9ebc\u662f\u74b0\u5f62\u7de9\u5b58\uff1f<\/h2>\n<p>\u74b0\u5f62\u7de9\u5b58\u662f\u4e00\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u901a\u5e38\u7528\u65bc\u9650\u5236\u7de9\u5b58\u7684\u5927\u5c0f\u3002\u7576\u7de9\u5b58\u9054\u5230\u9810\u8a2d\u7684\u6700\u5927\u5bb9\u91cf\u6642\uff0c\u65b0\u7684\u6578\u64da\u5c07\u8986\u84cb\u6700\u820a\u7684\u6578\u64da\u3002\u9019\u7a2e\u65b9\u6cd5\u7279\u5225\u9069\u5408\u65bc\u9700\u8981\u6301\u7e8c\u66f4\u65b0\u7684\u6578\u64da\u5834\u666f\uff0c\u4f8b\u5982\u65e5\u8a8c\u8a18\u9304\u3001\u5373\u6642\u6578\u64da\u5206\u6790\u7b49\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87redis%e4%bd%9c%e7%82%ba%e7%92%b0%e5%bd%a2%e7%b7%a9%e5%ad%98%e7%9a%84%e8%a7%a3%e6%b1%ba%e6%96%b9%e6%a1%88%ef%bc%9f-bZPzoboVFa\">\u70ba\u4ec0\u9ebc\u9078\u64c7Redis\u4f5c\u70ba\u74b0\u5f62\u7de9\u5b58\u7684\u89e3\u6c7a\u65b9\u6848\uff1f<\/h2>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis\u662f\u4e00\u500b\u57fa\u65bc\u5167\u5b58\u7684\u6578\u64da\u5eab\uff0c\u8b80\u53d6\u548c\u5beb\u5165\u901f\u5ea6\u975e\u5e38\u5feb\uff0c\u9069\u5408\u9ad8\u983b\u6b21\u7684\u6578\u64da\u64cd\u4f5c\u3002<\/li>\n<li><strong>\u9748\u6d3b\u7684\u6578\u64da\u7d50\u69cb\uff1a<\/strong>Redis\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff0c\u9019\u4f7f\u5f97\u5be6\u73fe\u74b0\u5f62\u7de9\u5b58\u8b8a\u5f97\u66f4\u52a0\u9748\u6d3b\u3002<\/li>\n<li><strong>\u6301\u4e45\u5316\u9078\u9805\uff1a<\/strong>Redis\u63d0\u4f9b\u4e86\u591a\u7a2e\u6301\u4e45\u5316\u6a5f\u5236\uff0c\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u9078\u64c7\u5408\u9069\u7684\u65b9\u5f0f\u4f86\u4fdd\u5b58\u6578\u64da\u3002<\/li>\n<\/ul>\n<h2 id=\"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e5%af%a6%e7%8f%be%e7%92%b0%e5%bd%a2%e7%b7%a9%e5%ad%98-bZPzoboVFa\">\u5982\u4f55\u4f7f\u7528Redis\u5be6\u73fe\u74b0\u5f62\u7de9\u5b58<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4f7f\u7528Redis\u5be6\u73fe\u74b0\u5f62\u7de9\u5b58\u7684\u57fa\u672c\u6b65\u9a5f\uff1a<\/p>\n<h3 id=\"1-%e5%ae%89%e8%a3%9dredis-bZPzoboVFa\">1. \u5b89\u88ddRedis<\/h3>\n<p>\u9996\u5148\uff0c\u78ba\u4fdd\u4f60\u7684\u7cfb\u7d71\u4e0a\u5df2\u7d93\u5b89\u88dd\u4e86Redis\u3002\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u547d\u4ee4\u4f86\u5b89\u88dd\uff1a<\/p>\n<pre><code>sudo apt-get update\nsudo apt-get install redis-server<\/code><\/pre>\n<h3 id=\"2-%e8%a8%ad%e7%bd%ae%e7%92%b0%e5%bd%a2%e7%b7%a9%e5%ad%98%e7%9a%84%e5%a4%a7%e5%b0%8f-bZPzoboVFa\">2. \u8a2d\u7f6e\u74b0\u5f62\u7de9\u5b58\u7684\u5927\u5c0f<\/h3>\n<p>\u5728Redis\u4e2d\uff0c\u6211\u5011\u53ef\u4ee5\u4f7f\u7528\u5217\u8868\uff08List\uff09\u4f86\u5be6\u73fe\u74b0\u5f62\u7de9\u5b58\u3002\u9996\u5148\uff0c\u8a2d\u7f6e\u4e00\u500b\u6700\u5927\u5bb9\u91cf\u7684\u8b8a\u91cf\uff0c\u4f8b\u598210\uff1a<\/p>\n<pre><code>MAX_SIZE = 10<\/code><\/pre>\n<h3 id=\"3-%e5%af%a6%e7%8f%be%e6%b7%bb%e5%8a%a0%e6%95%b8%e6%93%9a%e7%9a%84%e9%82%8f%e8%bc%af-bZPzoboVFa\">3. \u5be6\u73fe\u6dfb\u52a0\u6578\u64da\u7684\u908f\u8f2f<\/h3>\n<p>\u7576\u6dfb\u52a0\u65b0\u6578\u64da\u6642\uff0c\u6211\u5011\u9700\u8981\u6aa2\u67e5\u7576\u524d\u5217\u8868\u7684\u9577\u5ea6\u3002\u5982\u679c\u9054\u5230\u6700\u5927\u5bb9\u91cf\uff0c\u5247\u522a\u9664\u6700\u820a\u7684\u6578\u64da\uff1a<\/p>\n<pre><code>def add_to_cache(redis_client, key, value):\n    redis_client.rpush(key, value)  # \u6dfb\u52a0\u65b0\u6578\u64da\n    if redis_client.llen(key) &gt; MAX_SIZE:\n        redis_client.lpop(key)  # \u522a\u9664\u6700\u820a\u7684\u6578\u64da<\/code><\/pre>\n<h3 id=\"4-%e5%af%a6%e7%8f%be%e7%8d%b2%e5%8f%96%e6%95%b8%e6%93%9a%e7%9a%84%e9%82%8f%e8%bc%af-bZPzoboVFa\">4. \u5be6\u73fe\u7372\u53d6\u6578\u64da\u7684\u908f\u8f2f<\/h3>\n<p>\u6211\u5011\u53ef\u4ee5\u901a\u904e\u4ee5\u4e0b\u51fd\u6578\u4f86\u7372\u53d6\u7576\u524d\u7de9\u5b58\u4e2d\u7684\u6240\u6709\u6578\u64da\uff1a<\/p>\n<pre><code>def get_cache(redis_client, key):\n    return redis_client.lrange(key, 0, -1)  # \u7372\u53d6\u6240\u6709\u6578\u64da<\/code><\/pre>\n<h2 id=\"%e7%a4%ba%e4%be%8b%e4%bb%a3%e7%a2%bc-bZPzoboVFa\">\u793a\u4f8b\u4ee3\u78bc<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u5b8c\u6574\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Redis\u5be6\u73fe\u74b0\u5f62\u7de9\u5b58\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230Redis\nredis_client = redis.StrictRedis(host='localhost', port=6379, db=0)\n\nMAX_SIZE = 10\n\ndef add_to_cache(redis_client, key, value):\n    redis_client.rpush(key, value)\n    if redis_client.llen(key) &gt; MAX_SIZE:\n        redis_client.lpop(key)\n\ndef get_cache(redis_client, key):\n    return redis_client.lrange(key, 0, -1)\n\n# \u4f7f\u7528\u793a\u4f8b\ncache_key = 'my_cache'\nfor i in range(15):\n    add_to_cache(redis_client, cache_key, f'value_{i}')\n    print(f'Current cache: {get_cache(redis_client, cache_key)}')<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-bZPzoboVFa\">\u7d50\u8ad6<\/h2>\n<p>\u4f7f\u7528Redis\u5be6\u73fe\u74b0\u5f62\u7de9\u5b58\u662f\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u7ba1\u7406\u65b9\u5f0f\uff0c\u7279\u5225\u9069\u5408\u9700\u8981\u5feb\u901f\u8b80\u53d6\u548c\u5beb\u5165\u7684\u61c9\u7528\u5834\u666f\u3002\u901a\u904e\u7c21\u55ae\u7684\u4ee3\u78bc\uff0c\u6211\u5011\u53ef\u4ee5\u8f15\u9b06\u5730\u8a2d\u7f6e\u548c\u7ba1\u7406\u74b0\u5f62\u7de9\u5b58\uff0c\u5f9e\u800c\u63d0\u9ad8\u61c9\u7528\u7684\u6027\u80fd\u548c\u97ff\u61c9\u901f\u5ea6\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bcVPS\u3001<a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a>\u3001\u4f3a\u670d\u5668\u6216\u5176\u4ed6\u96f2\u670d\u52d9\u6709\u8208\u8da3\uff0c\u6b61\u8fce\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\u4f7f\u7528Redis\u5be6\u73fe\u74b0\u5f62\u7de9\u5b58\uff0c\u63d0\u5347\u6578\u64da\u5b58\u53d6\u6548\u7387\uff0c\u512a\u5316\u5167\u5b58\u4f7f\u7528\uff0c\u9069\u5408\u9ad8\u6027\u80fd\u61c9\u7528\u5834\u666f\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-184938","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184938","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=184938"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184938\/revisions"}],"predecessor-version":[{"id":184939,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/184938\/revisions\/184939"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=184938"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=184938"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=184938"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}