{"id":157074,"date":"2024-11-02T21:33:22","date_gmt":"2024-11-02T13:33:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/157074\/"},"modified":"2024-11-02T21:33:23","modified_gmt":"2024-11-02T13:33:23","slug":"%e6%9c%8d%e5%8b%99-redis-%e5%af%a6%e7%8f%be%e5%9c%96%e7%89%87%e4%bc%ba%e6%9c%8d%e5%99%a8%e7%9a%84%e9%83%a8%e7%bd%b2%e7%b0%a1%e4%bb%8b%ef%bc%88redis-%e9%83%a8%e7%bd%b2%e5%9c%96%e7%89%87%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/157074\/","title":{"rendered":"\u670d\u52d9 Redis \u5be6\u73fe\u5716\u7247\u4f3a\u670d\u5668\u7684\u90e8\u7f72\u7c21\u4ecb\uff08Redis \u90e8\u7f72\u5716\u7247\uff09"},"content":{"rendered":"<h1 id=\"%e6%9c%8d%e5%8b%99-redis-%e5%af%a6%e7%8f%be%e5%9c%96%e7%89%87%e4%bc%ba%e6%9c%8d%e5%99%a8%e7%9a%84%e9%83%a8%e7%bd%b2%e7%b0%a1%e4%bb%8b%ef%bc%88redis-%e9%83%a8%e7%bd%b2%e5%9c%96%e7%89%87%ef%bc%89-VWAsNTYtPk\">\u670d\u52d9 Redis \u5be6\u73fe\u5716\u7247\u4f3a\u670d\u5668\u7684\u90e8\u7f72\u7c21\u4ecb\uff08Redis \u90e8\u7f72\u5716\u7247\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u7db2\u7d61\u74b0\u5883\u4e2d\uff0c\u5716\u7247\u7684\u52a0\u8f09\u901f\u5ea6\u548c\u5b58\u53d6\u6548\u7387\u5c0d\u65bc\u7db2\u7ad9\u7684\u6027\u80fd\u81f3\u95dc\u91cd\u8981\u3002Redis \u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u5167\u5b58\u6578\u64da\u5eab\uff0c\u80fd\u5920\u6709\u6548\u5730\u7528\u65bc\u5716\u7247\u4f3a\u670d\u5668\u7684\u90e8\u7f72\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5229\u7528 Redis \u4f86\u5be6\u73fe\u5716\u7247\u4f3a\u670d\u5668\u7684\u90e8\u7f72\uff0c\u4e26\u63d0\u4f9b\u4e00\u4e9b\u5be6\u7528\u7684\u793a\u4f8b\u548c\u4ee3\u78bc\u7247\u6bb5\u3002<\/p>\n<h2 id=\"%e4%bb%80%e9%ba%bc%e6%98%af-redis%ef%bc%9f-VWAsNTYtPk\">\u4ec0\u9ebc\u662f Redis\uff1f<\/h2>\n<p>Redis\uff08REmote DIctionary Server\uff09\u662f\u4e00\u7a2e\u958b\u6e90\u7684\u9ad8\u6027\u80fd\u9375\u503c\u6578\u64da\u5eab\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u5167\u5b58\u5b58\u53d6\u7279\u6027\uff0cRedis \u88ab\u5ee3\u6cdb\u61c9\u7528\u65bc\u7de9\u5b58\u3001\u6d88\u606f\u968a\u5217\u548c\u5be6\u6642\u6578\u64da\u8655\u7406\u7b49\u5834\u666f\u3002<\/p>\n<h2 id=\"%e7%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87-redis-%e4%bd%9c%e7%82%ba%e5%9c%96%e7%89%87%e4%bc%ba%e6%9c%8d%e5%99%a8%ef%bc%9f-VWAsNTYtPk\">\u70ba\u4ec0\u9ebc\u9078\u64c7 Redis \u4f5c\u70ba\u5716\u7247\u4f3a\u670d\u5668\uff1f<\/h2>\n<ul>\n<li><strong>\u9ad8\u6027\u80fd\uff1a<\/strong>Redis \u7684\u5167\u5b58\u5b58\u53d6\u901f\u5ea6\u6975\u5feb\uff0c\u80fd\u5920\u5728\u6beb\u79d2\u7d1a\u5225\u5167\u5b8c\u6210\u6578\u64da\u7684\u8b80\u53d6\u548c\u5beb\u5165\uff0c\u9019\u5c0d\u65bc\u5716\u7247\u7684\u5feb\u901f\u52a0\u8f09\u81f3\u95dc\u91cd\u8981\u3002<\/li>\n<li><strong>\u652f\u6301\u6301\u4e45\u5316\uff1a<\/strong>Redis \u63d0\u4f9b\u4e86 RDB \u548c AOF \u5169\u7a2e\u6301\u4e45\u5316\u6a5f\u5236\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 \u7684 API \u7c21\u55ae\u660e\u77ad\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u4e0a\u624b\uff0c\u5feb\u901f\u5be6\u73fe\u5716\u7247\u7684\u5b58\u53d6\u3002<\/li>\n<\/ul>\n<h2 id=\"redis-%e9%83%a8%e7%bd%b2%e5%9c%96%e7%89%87%e7%9a%84%e5%9f%ba%e6%9c%ac%e6%ad%a5%e9%a9%9f-VWAsNTYtPk\">Redis \u90e8\u7f72\u5716\u7247\u7684\u57fa\u672c\u6b65\u9a5f<\/h2>\n<h3 id=\"1-%e5%ae%89%e8%a3%9d-redis-VWAsNTYtPk\">1. \u5b89\u88dd Redis<\/h3>\n<p>\u9996\u5148\uff0c\u60a8\u9700\u8981\u5728\u4f3a\u670d\u5668\u4e0a\u5b89\u88dd Redis\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528 Ubuntu \u7cfb\u7d71\u5b89\u88dd Redis \u7684\u6b65\u9a5f\uff1a<\/p>\n<pre><code>sudo apt update\nsudo apt install redis-server\n<\/code><\/pre>\n<p>\u5b89\u88dd\u5b8c\u6210\u5f8c\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u555f\u52d5 Redis \u670d\u52d9\uff1a<\/p>\n<pre><code>sudo systemctl start redis\n<\/code><\/pre>\n<h3 id=\"2-%e9%85%8d%e7%bd%ae-redis-VWAsNTYtPk\">2. \u914d\u7f6e Redis<\/h3>\n<p>\u70ba\u4e86\u63d0\u9ad8\u6027\u80fd\uff0c\u60a8\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u8abf\u6574 Redis \u7684\u914d\u7f6e\u6587\u4ef6\u3002\u914d\u7f6e\u6587\u4ef6\u901a\u5e38\u4f4d\u65bc \/etc\/redis\/redis.conf\u3002\u60a8\u53ef\u4ee5\u6839\u64da\u5be6\u969b\u60c5\u6cc1\u8abf\u6574\u4ee5\u4e0b\u53c3\u6578\uff1a<\/p>\n<ul>\n<li><strong>maxmemory\uff1a<\/strong>\u8a2d\u7f6e Redis \u4f7f\u7528\u7684\u6700\u5927\u5167\u5b58\u3002<\/li>\n<li><strong>maxmemory-policy\uff1a<\/strong>\u8a2d\u7f6e\u7576\u5167\u5b58\u9054\u5230\u4e0a\u9650\u6642\u7684\u9a45\u9010\u7b56\u7565\u3002<\/li>\n<\/ul>\n<h3 id=\"3-%e4%b8%8a%e5%82%b3%e5%9c%96%e7%89%87%e5%88%b0-redis-VWAsNTYtPk\">3. \u4e0a\u50b3\u5716\u7247\u5230 Redis<\/h3>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528 Redis \u7684 SET \u547d\u4ee4\u5c07\u5716\u7247\u4e0a\u50b3\u5230 Redis\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528 Python \u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>import redis\n\n# \u9023\u63a5\u5230 Redis\nr = redis.Redis(host='localhost', port=6379, db=0)\n\n# \u8b80\u53d6\u5716\u7247\nwith open('image.jpg', 'rb') as f:\n    image_data = f.read()\n\n# \u5c07\u5716\u7247\u6578\u64da\u5b58\u5132\u5230 Redis\nr.set('image_key', image_data)\n<\/code><\/pre>\n<h3 id=\"4-%e5%be%9e-redis-%e7%8d%b2%e5%8f%96%e5%9c%96%e7%89%87-VWAsNTYtPk\">4. \u5f9e Redis \u7372\u53d6\u5716\u7247<\/h3>\n<p>\u60a8\u53ef\u4ee5\u4f7f\u7528 GET \u547d\u4ee4\u5f9e Redis \u7372\u53d6\u5716\u7247\u6578\u64da\uff0c\u4e26\u5c07\u5176\u8fd4\u56de\u7d66\u7528\u6236\u7aef\u3002\u4ee5\u4e0b\u662f\u76f8\u61c9\u7684 Python \u4ee3\u78bc\uff1a<\/p>\n<pre><code># \u5f9e Redis \u7372\u53d6\u5716\u7247\u6578\u64da\nimage_data = r.get('image_key')\n\n# \u5c07\u5716\u7247\u6578\u64da\u5beb\u5165\u6587\u4ef6\nwith open('retrieved_image.jpg', 'wb') as f:\n    f.write(image_data)\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-VWAsNTYtPk\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u4ee5\u4e0a\u6b65\u9a5f\uff0c\u6211\u5011\u53ef\u4ee5\u770b\u5230\u5982\u4f55\u5229\u7528 Redis \u90e8\u7f72\u5716\u7247\u4f3a\u670d\u5668\u3002Redis \u7684\u9ad8\u6027\u80fd\u548c\u7c21\u55ae\u6613\u7528\u7684\u7279\u6027\u4f7f\u5176\u6210\u70ba\u5716\u7247\u5b58\u5132\u548c\u7ba1\u7406\u7684\u7406\u60f3\u9078\u64c7\u3002\u7121\u8ad6\u662f\u7528\u65bc\u500b\u4eba\u9805\u76ee\u9084\u662f\u5546\u696d\u61c9\u7528\uff0cRedis \u90fd\u80fd\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u53ef\u9760\u7684 <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u670d\u52d9\u4f86\u90e8\u7f72\u60a8\u7684\u5716\u7247\u4f3a\u670d\u5668\uff0cServer.HK \u63d0\u4f9b\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u3002\u7121\u8ad6\u662f\u9ad8\u6027\u80fd\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a> \u9084\u662f\u9748\u6d3b\u7684 <a href=\"https:\/\/server.hk\">\u96f2\u670d\u52d9\u5668<\/a>\uff0c\u90fd\u80fd\u52a9\u60a8\u4e00\u81c2\u4e4b\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e86\u89e3\u5982\u4f55\u4f7f\u7528 Redis \u90e8\u7f72\u5716\u7247\u4f3a\u670d\u5668\uff0c\u63d0\u5347\u5716\u7247\u5b58\u53d6\u6548\u7387\uff0c\u7c21\u5316\u7ba1\u7406\u6d41\u7a0b\uff0c\u5be6\u73fe\u9ad8\u6548\u80fd\u7684\u5716\u7247\u670d\u52d9\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-157074","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157074","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=157074"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157074\/revisions"}],"predecessor-version":[{"id":157075,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/157074\/revisions\/157075"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=157074"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=157074"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=157074"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}