{"id":124887,"date":"2024-10-25T18:01:18","date_gmt":"2024-10-25T10:01:18","guid":{"rendered":"https:\/\/server.hk\/cnblog\/124887\/"},"modified":"2024-10-25T18:01:19","modified_gmt":"2024-10-25T10:01:19","slug":"redis-%e6%9e%b6%e6%a7%8b%e4%b8%8b%e7%9a%84%e7%94%a8%e6%88%b6%e4%b8%ad%e5%bf%83%e9%ab%94%e9%a9%97%e5%8d%87%e7%b4%9a","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/124887\/","title":{"rendered":"Redis \u67b6\u69cb\u4e0b\u7684\u7528\u6236\u4e2d\u5fc3\u9ad4\u9a57\u5347\u7d1a"},"content":{"rendered":"<h1 id=\"redis-%e6%9e%b6%e6%a7%8b%e4%b8%8b%e7%9a%84%e7%94%a8%e6%88%b6%e4%b8%ad%e5%bf%83%e9%ab%94%e9%a9%97%e5%8d%87%e7%b4%9a-fpyFYuMXqQ\">Redis \u67b6\u69cb\u4e0b\u7684\u7528\u6236\u4e2d\u5fc3\u9ad4\u9a57\u5347\u7d1a<\/h1>\n<p>\u5728\u7576\u4eca\u6578\u4f4d\u5316\u7684\u6642\u4ee3\uff0c\u7528\u6236\u9ad4\u9a57\u5df2\u6210\u70ba\u4f01\u696d\u6210\u529f\u7684\u95dc\u9375\u56e0\u7d20\u4e4b\u4e00\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u8d8a\u4f86\u8d8a\u591a\u7684\u4f01\u696d\u958b\u59cb\u5c0b\u6c42\u9ad8\u6548\u7684\u89e3\u6c7a\u65b9\u6848\u4f86\u63d0\u5347\u7528\u6236\u4e2d\u5fc3\u7684\u9ad4\u9a57\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u56e0\u5176\u5353\u8d8a\u7684\u6027\u80fd\u548c\u9748\u6d3b\u6027\uff0c\u6210\u70ba\u4e86\u8a31\u591a\u4f01\u696d\u7684\u9996\u9078\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u5229\u7528 Redis \u67b6\u69cb\u4f86\u5347\u7d1a\u7528\u6236\u4e2d\u5fc3\u7684\u9ad4\u9a57\u3002<\/p>\n<h2 id=\"redis-%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%a6%82%e5%bf%b5-fpyFYuMXqQ\">Redis \u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n<p>Redis\uff08Remote Dictionary Server\uff09\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9375\u503c\u6578\u64da\u5eab\uff0c\u4e3b\u8981\u7528\u65bc\u6578\u64da\u7684\u5feb\u901f\u5b58\u53d6\u3002\u5b83\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\uff0c\u4e26\u4e14\u5177\u5099\u6301\u4e45\u5316\u529f\u80fd\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u5206\u6790\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e7%94%a8%e6%88%b6%e4%b8%ad%e5%bf%83%e7%9a%84%e6%8c%91%e6%88%b0-fpyFYuMXqQ\">\u7528\u6236\u4e2d\u5fc3\u7684\u6311\u6230<\/h2>\n<p>\u5728\u7528\u6236\u4e2d\u5fc3\u7684\u8a2d\u8a08\u4e2d\uff0c\u4f01\u696d\u9762\u81e8\u8457\u591a\u7a2e\u6311\u6230\uff0c\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u6578\u64da\u5b58\u53d6\u901f\u5ea6\uff1a\u7528\u6236\u671f\u671b\u5feb\u901f\u97ff\u61c9\u7684\u670d\u52d9\uff0c\u4efb\u4f55\u5ef6\u9072\u90fd\u53ef\u80fd\u5c0e\u81f4\u7528\u6236\u6d41\u5931\u3002<\/li>\n<li>\u6578\u64da\u4e00\u81f4\u6027\uff1a\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\uff0c\u5982\u4f55\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u548c\u6e96\u78ba\u6027\u662f\u81f3\u95dc\u91cd\u8981\u7684\u3002<\/li>\n<li>\u64f4\u5c55\u6027\uff1a\u96a8\u8457\u7528\u6236\u6578\u91cf\u7684\u589e\u52a0\uff0c\u7cfb\u7d71\u9700\u8981\u5177\u5099\u826f\u597d\u7684\u64f4\u5c55\u6027\u4ee5\u61c9\u5c0d\u9ad8\u4e26\u767c\u7684\u8acb\u6c42\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e5%9c%a8%e7%94%a8%e6%88%b6%e4%b8%ad%e5%bf%83%e4%b8%ad%e7%9a%84%e6%87%89%e7%94%a8-fpyFYuMXqQ\">Redis \u5728\u7528\u6236\u4e2d\u5fc3\u4e2d\u7684\u61c9\u7528<\/h2>\n<p>Redis \u53ef\u4ee5\u6709\u6548\u5730\u89e3\u6c7a\u4e0a\u8ff0\u6311\u6230\uff0c\u4ee5\u4e0b\u662f\u5e7e\u500b\u5177\u9ad4\u7684\u61c9\u7528\u5834\u666f\uff1a<\/p>\n<h3 id=\"1-%e5%bf%ab%e9%80%9f%e7%b7%a9%e5%ad%98%e7%94%a8%e6%88%b6%e6%95%b8%e6%93%9a-fpyFYuMXqQ\">1. \u5feb\u901f\u7de9\u5b58\u7528\u6236\u6578\u64da<\/h3>\n<p>\u5229\u7528 Redis \u7684\u7de9\u5b58\u529f\u80fd\uff0c\u53ef\u4ee5\u5c07\u7528\u6236\u7684\u5e38\u7528\u6578\u64da\uff08\u5982\u7528\u6236\u8cc7\u6599\u3001\u504f\u597d\u8a2d\u7f6e\u7b49\uff09\u5b58\u5132\u5728\u5167\u5b58\u4e2d\uff0c\u5f9e\u800c\u5927\u5e45\u63d0\u5347\u6578\u64da\u7684\u8b80\u53d6\u901f\u5ea6\u3002\u4f8b\u5982\uff0c\u7576\u7528\u6236\u767b\u9304\u6642\uff0c\u53ef\u4ee5\u5c07\u5176\u8cc7\u6599\u7de9\u5b58\u5728 Redis \u4e2d\uff0c\u5f8c\u7e8c\u7684\u8acb\u6c42\u76f4\u63a5\u5f9e\u7de9\u5b58\u4e2d\u8b80\u53d6\uff0c\u907f\u514d\u4e86\u983b\u7e41\u7684\u6578\u64da\u5eab\u67e5\u8a62\u3002<\/p>\n<pre><code>\n# \u5047\u8a2d\u4f7f\u7528 Python \u7684 Redis \u5ba2\u6236\u7aef\nimport redis\n\nr = redis.Redis(host='localhost', port=6379, db=0)\n# \u5c07\u7528\u6236\u8cc7\u6599\u5b58\u5165 Redis\nr.set('user:1000', '{\"name\": \"John\", \"age\": 30}')\n# \u5f9e Redis \u4e2d\u8b80\u53d6\u7528\u6236\u8cc7\u6599\nuser_data = r.get('user:1000')\n<\/code><\/pre>\n<h3 id=\"2-%e5%af%a6%e6%99%82%e6%95%b8%e6%93%9a%e5%88%86%e6%9e%90-fpyFYuMXqQ\">2. \u5be6\u6642\u6578\u64da\u5206\u6790<\/h3>\n<p>Redis \u7684 Pub\/Sub \u529f\u80fd\u53ef\u4ee5\u7528\u65bc\u5be6\u6642\u6578\u64da\u5206\u6790\uff0c\u5e6b\u52a9\u4f01\u696d\u5373\u6642\u4e86\u89e3\u7528\u6236\u884c\u70ba\u3002\u4f8b\u5982\uff0c\u7576\u7528\u6236\u5728\u5e73\u53f0\u4e0a\u9032\u884c\u64cd\u4f5c\u6642\uff0c\u53ef\u4ee5\u5c07\u9019\u4e9b\u4e8b\u4ef6\u767c\u9001\u5230 Redis\uff0c\u4e26\u901a\u904e\u8a02\u95b1\u8005\u9032\u884c\u5be6\u6642\u5206\u6790\uff0c\u5f9e\u800c\u512a\u5316\u7528\u6236\u9ad4\u9a57\u3002<\/p>\n<pre><code>\n# \u767c\u9001\u6d88\u606f\nr.publish('user_actions', 'User 1000 clicked on button A')\n# \u8a02\u95b1\u6d88\u606f\np = r.pubsub()\np.subscribe('user_actions')\nfor message in p.listen():\n    print(message)\n<\/code><\/pre>\n<h3 id=\"3-%e6%95%b8%e6%93%9a%e4%b8%80%e8%87%b4%e6%80%a7%e7%ae%a1%e7%90%86-fpyFYuMXqQ\">3. \u6578\u64da\u4e00\u81f4\u6027\u7ba1\u7406<\/h3>\n<p>\u5728\u591a\u7528\u6236\u74b0\u5883\u4e2d\uff0cRedis \u7684\u4e8b\u52d9\u529f\u80fd\u53ef\u4ee5\u5e6b\u52a9\u78ba\u4fdd\u6578\u64da\u7684\u4e00\u81f4\u6027\u3002\u901a\u904e\u4f7f\u7528 Redis \u7684 MULTI \u548c EXEC \u547d\u4ee4\uff0c\u53ef\u4ee5\u5c07\u591a\u500b\u64cd\u4f5c\u6253\u5305\u6210\u4e00\u500b\u4e8b\u52d9\uff0c\u78ba\u4fdd\u9019\u4e9b\u64cd\u4f5c\u8981\u9ebc\u5168\u90e8\u6210\u529f\uff0c\u8981\u9ebc\u5168\u90e8\u5931\u6557\u3002<\/p>\n<pre><code>\n# \u958b\u59cb\u4e8b\u52d9\nr.multi()\nr.set('user:1000:balance', 100)\nr.decr('user:1000:balance', 10)\n# \u63d0\u4ea4\u4e8b\u52d9\nr.exec()\n<\/code><\/pre>\n<h2 id=\"%e7%b5%90%e8%ab%96-fpyFYuMXqQ\">\u7d50\u8ad6<\/h2>\n<p>\u7e3d\u7d50\u4f86\u8aaa\uff0cRedis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u80fd\u5920\u6709\u6548\u63d0\u5347\u7528\u6236\u4e2d\u5fc3\u7684\u9ad4\u9a57\u3002\u901a\u904e\u5feb\u901f\u7de9\u5b58\u3001\u5be6\u6642\u6578\u64da\u5206\u6790\u548c\u6578\u64da\u4e00\u81f4\u6027\u7ba1\u7406\uff0c\u4f01\u696d\u53ef\u4ee5\u66f4\u597d\u5730\u6eff\u8db3\u7528\u6236\u9700\u6c42\uff0c\u63d0\u5347\u7528\u6236\u6eff\u610f\u5ea6\u3002\u96a8\u8457\u6280\u8853\u7684\u9032\u6b65\uff0c\u672a\u4f86 Redis \u5728\u7528\u6236\u4e2d\u5fc3\u7684\u61c9\u7528\u5c07\u6703\u66f4\u52a0\u5ee3\u6cdb\u3002<\/p>\n<p>\u5982\u679c\u60a8\u5c0d\u65bc\u5982\u4f55\u5229\u7528 <a href=\"https:\/\/server.hk\">VPS<\/a> \u4f86\u90e8\u7f72 Redis \u89e3\u6c7a\u65b9\u6848\u611f\u8208\u8da3\uff0c\u6b61\u8fce\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u4ee5\u7372\u53d6\u66f4\u591a\u8cc7\u8a0a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u63a2\u7d22Redis\u67b6\u69cb\u5982\u4f55\u63d0\u5347\u7528\u6236\u4e2d\u5fc3\u9ad4\u9a57\uff0c\u5be6\u73fe\u66f4\u5feb\u7684\u6578\u64da\u8655\u7406\u548c\u500b\u6027\u5316\u670d\u52d9\uff0c\u589e\u5f37\u7528\u6236\u6eff\u610f\u5ea6\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-124887","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124887","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=124887"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124887\/revisions"}],"predecessor-version":[{"id":124888,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/124887\/revisions\/124888"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=124887"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=124887"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=124887"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}