{"id":189250,"date":"2024-11-12T05:59:22","date_gmt":"2024-11-11T21:59:22","guid":{"rendered":"https:\/\/server.hk\/cnblog\/189250\/"},"modified":"2024-11-12T05:59:23","modified_gmt":"2024-11-11T21:59:23","slug":"%e9%80%9a%e9%81%8ejava%e8%aa%9e%e8%a8%80%e6%9f%a5%e8%a9%a2redis%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%ef%bc%88redis%e6%9f%a5%e8%a9%a2java%ef%bc%89","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/189250\/","title":{"rendered":"\u901a\u904eJava\u8a9e\u8a00\u67e5\u8a62Redis\u4e2d\u7684\u6578\u64da\uff08redis\u67e5\u8a62java\uff09"},"content":{"rendered":"<h1 id=\"%e9%80%9a%e9%81%8ejava%e8%aa%9e%e8%a8%80%e6%9f%a5%e8%a9%a2redis%e4%b8%ad%e7%9a%84%e6%95%b8%e6%93%9a%ef%bc%88redis%e6%9f%a5%e8%a9%a2java%ef%bc%89-JalRRBjKdH\">\u901a\u904eJava\u8a9e\u8a00\u67e5\u8a62Redis\u4e2d\u7684\u6578\u64da\uff08redis\u67e5\u8a62java\uff09<\/h1>\n<p>\u5728\u7576\u4eca\u7684\u61c9\u7528\u7a0b\u5e8f\u958b\u767c\u4e2d\uff0cRedis\u4f5c\u70ba\u4e00\u7a2e\u9ad8\u6548\u7684\u9375\u503c\u5b58\u5132\u7cfb\u7d71\uff0c\u8d8a\u4f86\u8d8a\u53d7\u5230\u958b\u767c\u8005\u7684\u9752\u775e\u3002\u5b83\u7684\u9ad8\u6027\u80fd\u548c\u9748\u6d3b\u6027\u4f7f\u5176\u6210\u70ba\u8a31\u591a\u61c9\u7528\u7a0b\u5e8f\u7684\u9996\u9078\u6578\u64da\u5eab\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5982\u4f55\u4f7f\u7528Java\u8a9e\u8a00\u67e5\u8a62Redis\u4e2d\u7684\u6578\u64da\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%afredis%ef%bc%9f-JalRRBjKdH\">\u4ec0\u9ebc\u662fRedis\uff1f<\/h2>\n<p>Redis\uff08REmote DIctionary Server\uff09\u662f\u4e00\u500b\u958b\u6e90\u7684\u5167\u5b58\u6578\u64da\u7d50\u69cb\u5b58\u5132\u7cfb\u7d71\uff0c\u652f\u6301\u591a\u7a2e\u6578\u64da\u7d50\u69cb\uff0c\u5982\u5b57\u7b26\u4e32\u3001\u54c8\u5e0c\u3001\u5217\u8868\u3001\u96c6\u5408\u548c\u6709\u5e8f\u96c6\u5408\u7b49\u3002\u7531\u65bc\u5176\u9ad8\u6548\u7684\u6027\u80fd\uff0cRedis\u5e38\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%82%ba%e4%bb%80%e9%ba%bc%e9%81%b8%e6%93%87java%e4%be%86%e6%9f%a5%e8%a9%a2redis%ef%bc%9f-JalRRBjKdH\">\u70ba\u4ec0\u9ebc\u9078\u64c7Java\u4f86\u67e5\u8a62Redis\uff1f<\/h2>\n<p>Java\u662f\u4e00\u7a2e\u5ee3\u6cdb\u4f7f\u7528\u7684\u7de8\u7a0b\u8a9e\u8a00\uff0c\u5177\u6709\u826f\u597d\u7684\u8de8\u5e73\u53f0\u6027\u548c\u5f37\u5927\u7684\u751f\u614b\u7cfb\u7d71\u3002\u4f7f\u7528Java\u67e5\u8a62Redis\u4e0d\u50c5\u53ef\u4ee5\u5229\u7528Java\u7684\u591a\u7dda\u7a0b\u7279\u6027\uff0c\u9084\u53ef\u4ee5\u65b9\u4fbf\u5730\u8207\u5176\u4ed6Java\u61c9\u7528\u7a0b\u5e8f\u96c6\u6210\u3002\u9019\u4f7f\u5f97Java\u6210\u70ba\u8207Redis\u4ea4\u4e92\u7684\u7406\u60f3\u9078\u64c7\u3002<\/p>\n<h2 id=\"%e7%92%b0%e5%a2%83%e8%a8%ad%e7%bd%ae-JalRRBjKdH\">\u74b0\u5883\u8a2d\u7f6e<\/h2>\n<p>\u5728\u958b\u59cb\u4e4b\u524d\uff0c\u60a8\u9700\u8981\u78ba\u4fdd\u5df2\u7d93\u5b89\u88dd\u4e86\u4ee5\u4e0b\u74b0\u5883\uff1a<\/p>\n<ul>\n<li>Java Development Kit (JDK)<\/li>\n<li>Maven\uff08\u7528\u65bc\u7ba1\u7406\u4f9d\u8cf4\uff09<\/li>\n<li>Redis\u4f3a\u670d\u5668<\/li>\n<\/ul>\n<p>\u63a5\u4e0b\u4f86\uff0c\u60a8\u9700\u8981\u5728\u60a8\u7684Maven\u9805\u76ee\u4e2d\u6dfb\u52a0Redis\u7684Java\u5ba2\u6236\u7aef\u4f9d\u8cf4\u3002\u4ee5\u4e0b\u662f\u4f7f\u7528Jedis\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\n&lt;dependency&gt;\n    &lt;groupId&gt;redis.clients&lt;\/groupId&gt;\n    &lt;artifactId&gt;jedis&lt;\/artifactId&gt;\n    &lt;version&gt;4.0.1&lt;\/version&gt;\n&lt;\/dependency&gt;\n<\/code><\/pre>\n<h2 id=\"%e4%bd%bf%e7%94%a8java%e6%9f%a5%e8%a9%a2redis%e6%95%b8%e6%93%9a-JalRRBjKdH\">\u4f7f\u7528Java\u67e5\u8a62Redis\u6578\u64da<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u793a\u4f8b\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528Jedis\u5eab\u9023\u63a5\u5230Redis\u4e26\u67e5\u8a62\u6578\u64da\uff1a<\/p>\n<pre><code>\nimport redis.clients.jedis.Jedis;\n\npublic class RedisExample {\n    public static void main(String[] args) {\n        \/\/ \u5275\u5efaJedis\u5c0d\u8c61\uff0c\u9023\u63a5\u5230Redis\u4f3a\u670d\u5668\n        Jedis jedis = new Jedis(\"localhost\", 6379);\n        \n        \/\/ \u8a2d\u7f6e\u6578\u64da\n        jedis.set(\"name\", \"Server.HK\");\n        \n        \/\/ \u67e5\u8a62\u6578\u64da\n        String value = jedis.get(\"name\");\n        System.out.println(\"\u5f9eRedis\u4e2d\u67e5\u8a62\u5230\u7684\u503c: \" + value);\n        \n        \/\/ \u95dc\u9589\u9023\u63a5\n        jedis.close();\n    }\n}\n<\/code><\/pre>\n<p>\u5728\u9019\u500b\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u9996\u5148\u5275\u5efa\u4e86\u4e00\u500bJedis\u5c0d\u8c61\uff0c\u4e26\u9023\u63a5\u5230\u672c\u5730\u7684Redis\u4f3a\u670d\u5668\u3002\u7136\u5f8c\uff0c\u6211\u5011\u4f7f\u7528`set`\u65b9\u6cd5\u8a2d\u7f6e\u4e86\u4e00\u500b\u9375\u503c\u5c0d\uff0c\u63a5\u8457\u4f7f\u7528`get`\u65b9\u6cd5\u67e5\u8a62\u8a72\u9375\u7684\u503c\uff0c\u6700\u5f8c\u6253\u5370\u51fa\u4f86\u3002<\/p>\n<h2 id=\"%e8%99%95%e7%90%86%e7%95%b0%e5%b8%b8%e6%83%85%e6%b3%81-JalRRBjKdH\">\u8655\u7406\u7570\u5e38\u60c5\u6cc1<\/h2>\n<p>\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u60a8\u53ef\u80fd\u6703\u9047\u5230\u5404\u7a2e\u7570\u5e38\u60c5\u6cc1\uff0c\u4f8b\u5982Redis\u4f3a\u670d\u5668\u7121\u6cd5\u9023\u63a5\u6216\u67e5\u8a62\u7684\u9375\u4e0d\u5b58\u5728\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u8655\u7406\u9019\u4e9b\u7570\u5e38\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code>\ntry {\n    Jedis jedis = new Jedis(\"localhost\", 6379);\n    String value = jedis.get(\"nonexistentKey\");\n    \n    if (value == null) {\n        System.out.println(\"\u8a72\u9375\u4e0d\u5b58\u5728\");\n    } else {\n        System.out.println(\"\u67e5\u8a62\u5230\u7684\u503c: \" + value);\n    }\n    jedis.close();\n} catch (Exception e) {\n    System.out.println(\"\u767c\u751f\u932f\u8aa4: \" + e.getMessage());\n}\n<\/code><\/pre>\n<h2 id=\"%e7%b8%bd%e7%b5%90-JalRRBjKdH\">\u7e3d\u7d50<\/h2>\n<p>\u901a\u904e\u672c\u6587\u7684\u4ecb\u7d39\uff0c\u6211\u5011\u4e86\u89e3\u4e86\u5982\u4f55\u4f7f\u7528Java\u8a9e\u8a00\u67e5\u8a62Redis\u4e2d\u7684\u6578\u64da\u3002Redis\u4f5c\u70ba\u4e00\u500b\u9ad8\u6548\u7684\u6578\u64da\u5b58\u5132\u89e3\u6c7a\u65b9\u6848\uff0c\u8207Java\u7684\u7d50\u5408\u4f7f\u5f97\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u5730\u9032\u884c\u6578\u64da\u64cd\u4f5c\u3002\u7121\u8ad6\u662f\u8a2d\u7f6e\u6578\u64da\u9084\u662f\u67e5\u8a62\u6578\u64da\uff0cJedis\u5eab\u90fd\u63d0\u4f9b\u4e86\u7c21\u55ae\u6613\u7528\u7684API\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u4e0a\u624b\u3002<\/p>\n<p>\u5982\u679c\u60a8\u6b63\u5728\u5c0b\u627e\u9ad8\u6548\u7684 <a href=\"https:\/\/server.hk\">VPS<\/a> \u89e3\u6c7a\u65b9\u6848\u4f86\u904b\u884c\u60a8\u7684Redis\u4f3a\u670d\u5668\uff0cServer.HK\u63d0\u4f9b\u4e86\u591a\u7a2e\u9078\u64c7\uff0c\u6eff\u8db3\u4e0d\u540c\u9700\u6c42\u7684\u5ba2\u6236\u3002\u7121\u8ad6\u662f <a href=\"https:\/\/server.hk\">\u9999\u6e2fVPS<\/a> \u9084\u662f\u5176\u4ed6\u985e\u578b\u7684 <a href=\"https:\/\/server.hk\">\u4f3a\u670d\u5668<\/a>\uff0c\u6211\u5011\u90fd\u80fd\u70ba\u60a8\u63d0\u4f9b\u7a69\u5b9a\u7684\u652f\u6301\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4f7f\u7528Java\u8a9e\u8a00\u8f15\u9b06\u67e5\u8a62Redis\u6578\u64da\uff0c\u638c\u63e1Redis\u67e5\u8a62\u6280\u5de7\uff0c\u63d0\u5347\u6578\u64da\u8655\u7406\u6548\u7387\uff0c\u5be6\u73fe\u9ad8\u6548\u61c9\u7528\u958b\u767c\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-189250","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189250","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=189250"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189250\/revisions"}],"predecessor-version":[{"id":189251,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/189250\/revisions\/189251"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=189250"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=189250"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=189250"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}