{"id":202228,"date":"2025-05-10T13:49:35","date_gmt":"2025-05-10T05:49:35","guid":{"rendered":"https:\/\/server.hk\/cnblog\/202228\/"},"modified":"2025-05-10T13:49:35","modified_gmt":"2025-05-10T05:49:35","slug":"%e5%a6%82%e4%bd%95%e4%bd%bf%e7%94%a8redis%e5%92%8cjava%e5%bc%80%e5%8f%91%e8%b4%ad%e7%89%a9%e8%bd%a6%e5%8a%9f%e8%83%bd","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/202228\/","title":{"rendered":"\u5982\u4f55\u4f7f\u7528Redis\u548cJava\u5f00\u53d1\u8d2d\u7269\u8f66\u529f\u80fd"},"content":{"rendered":"

<\/b> <\/p>\n

\u5982\u4f55\u4f7f\u7528Redis\u548cJava\u5f00\u53d1\u8d2d\u7269\u8f66\u529f\u80fd<\/h1>\n

\u672c\u7bc7\u6587\u7ae0\u4e3b\u8981\u662f\u7ed3\u5408\u6211\u4e4b\u524d\u9762\u8bd5\u7684\u5404\u79cd\u7ecf\u5386\u548c\u5b9e\u6218\u5f00\u53d1\u4e2d\u9047\u5230\u7684\u95ee\u9898\u89e3\u51b3\u7ecf\u9a8c\u6574\u7406\u7684\uff0c\u5e0c\u671b\u8fd9\u7bc7\u300a\u5982\u4f55\u4f7f\u7528Redis\u548cJava\u5f00\u53d1\u8d2d\u7269\u8f66\u529f\u80fd\u300b\u5bf9\u4f60\u6709\u5f88\u5927\u5e2e\u52a9\uff01\u6b22\u8fce\u6536\u85cf\uff0c\u5206\u4eab\u7ed9\u66f4\u591a\u7684\u9700\u8981\u7684\u670b\u53cb\u5b66\u4e60~<\/p>\n

\u5982\u4f55\u4f7f\u7528Redis\u548cJava\u5f00\u53d1\u8d2d\u7269\u8f66\u529f\u80fd<\/p>\n

\u8d2d\u7269\u8f66\u662f\u7535\u5546\u7f51\u7ad9\u4e2d\u5e38\u89c1\u7684\u529f\u80fd\u4e4b\u4e00\uff0c\u5b83\u5141\u8bb8\u7528\u6237\u5c06\u5546\u54c1\u4fdd\u5b58\u5728\u4e00\u4e2a\u4e34\u65f6\u7684\u5bb9\u5668\u4e2d\uff0c\u65b9\u4fbf\u7528\u6237\u6d4f\u89c8\u3001\u7f16\u8f91\u3001\u7ed3\u7b97\u548c\u4e0b\u5355\u3002\u8d2d\u7269\u8f66\u529f\u80fd\u7684\u5b9e\u73b0\u79bb\u4e0d\u5f00\u6570\u636e\u7684\u5b58\u50a8\u548c\u7ba1\u7406\uff0cRedis\u4f5c\u4e3a\u4e00\u79cd\u9ad8\u6027\u80fd\u7684\u5185\u5b58\u6570\u636e\u5e93\uff0c\u975e\u5e38\u9002\u5408\u7528\u6765\u5b9e\u73b0\u8d2d\u7269\u8f66\u529f\u80fd\u3002\u672c\u6587\u5c06\u4ecb\u7ecd\u5982\u4f55\u4f7f\u7528Redis\u548cJava\u6765\u5b9e\u73b0\u8d2d\u7269\u8f66\u529f\u80fd\uff0c\u5e76\u63d0\u4f9b\u5177\u4f53\u4ee3\u7801\u793a\u4f8b\u3002<\/p>\n

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  1. \u73af\u5883\u51c6\u5907<\/li>\n<\/ol>\n

    \u5728\u5f00\u59cb\u4e4b\u524d\uff0c\u9700\u8981\u786e\u4fdd\u5df2\u7ecf\u5b89\u88c5\u597dRedis\u5e76\u542f\u52a8\u6210\u529f\u3002\u53e6\u5916\uff0c\u9700\u8981\u4f7f\u7528Java\u7f16\u7a0b\u8bed\u8a00\u6765\u5f00\u53d1\u8d2d\u7269\u8f66\u529f\u80fd\uff0c\u786e\u4fdd\u5df2\u7ecf\u6b63\u786e\u914d\u7f6e\u597dJava\u5f00\u53d1\u73af\u5883\u3002<\/p>\n

      \n
    1. \u6dfb\u52a0\u5546\u54c1\u5230\u8d2d\u7269\u8f66<\/li>\n<\/ol>\n

      \u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b9e\u73b0\u5c06\u5546\u54c1\u6dfb\u52a0\u5230\u8d2d\u7269\u8f66\u7684\u529f\u80fd\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528Redis\u7684Hash\u7c7b\u578b\u6765\u4fdd\u5b58\u8d2d\u7269\u8f66\u4fe1\u606f\uff0c\u4f8b\u5982\u4f7f\u7528\u7528\u6237ID\u4f5c\u4e3aHash\u7c7b\u578b\u7684Key\uff0c\u5546\u54c1ID\u4f5c\u4e3aHash\u7c7b\u578b\u7684Field\uff0c\u5546\u54c1\u6570\u91cf\u4f5c\u4e3aHash\u7c7b\u578b\u7684Value\u3002\u5177\u4f53\u7684\u4ee3\u7801\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n

      import redis.clients.jedis.Jedis;\n\npublic class ShoppingCart {\n    private Jedis jedis;\n    \n    public ShoppingCart() {\n        \/\/ \u8fde\u63a5Redis\u6570\u636e\u5e93\n        this.jedis = new Jedis(\"localhost\");\n    }\n    \n    \/\/ \u6dfb\u52a0\u5546\u54c1\u5230\u8d2d\u7269\u8f66\n    public void addToCart(String userId, String productId, int quantity) {\n        jedis.hset(userId, productId, String.valueOf(quantity));\n    }\n}<\/pre>\n
      \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528Jedis\u5e93\u8fde\u63a5\u5230Redis\u6570\u636e\u5e93\uff0c\u5e76\u63d0\u4f9b\u4e86\u4e00\u4e2aaddToCart<\/code>\u65b9\u6cd5\uff0c\u901a\u8fc7\u8c03\u7528hset<\/code>\u65b9\u6cd5\u5c06\u5546\u54c1ID\u548c\u6570\u91cf\u4fdd\u5b58\u5230Redis\u7684Hash\u4e2d\u3002<\/p>\n
        \n
      1. \u4ece\u8d2d\u7269\u8f66\u4e2d\u83b7\u53d6\u5546\u54c1\u6570\u91cf<\/li>\n<\/ol>\n
        \u63a5\u4e0b\u6765\uff0c\u6211\u4eec\u9700\u8981\u5b9e\u73b0\u4ece\u8d2d\u7269\u8f66\u4e2d\u83b7\u53d6\u5546\u54c1\u6570\u91cf\u7684\u529f\u80fd\u3002\u5177\u4f53\u7684\u4ee3\u7801\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
        public class ShoppingCart {\n    \/\/ ...\n    \n    \/\/ \u83b7\u53d6\u8d2d\u7269\u8f66\u4e2d\u7684\u5546\u54c1\u6570\u91cf\n    public int getProductQuantity(String userId, String productId) {\n        String quantityStr = jedis.hget(userId, productId);\n        if (quantityStr == null) {\n            return 0;\n        } else {\n            return Integer.parseInt(quantityStr);\n        }\n    }\n}<\/pre>\n
        \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528hget<\/code>\u65b9\u6cd5\u4eceRedis\u7684Hash\u4e2d\u83b7\u53d6\u5546\u54c1\u6570\u91cf\uff0c\u5e76\u5c06\u5176\u8f6c\u6362\u4e3a\u6574\u6570\u7c7b\u578b\u8fd4\u56de\u3002<\/p>\n
          \n
        1. \u4fee\u6539\u8d2d\u7269\u8f66\u4e2d\u7684\u5546\u54c1\u6570\u91cf<\/li>\n<\/ol>\n
          \u6709\u65f6\uff0c\u7528\u6237\u53ef\u80fd\u9700\u8981\u4fee\u6539\u8d2d\u7269\u8f66\u4e2d\u5546\u54c1\u7684\u6570\u91cf\uff0c\u6211\u4eec\u9700\u8981\u5b9e\u73b0\u4fee\u6539\u8d2d\u7269\u8f66\u4e2d\u5546\u54c1\u6570\u91cf\u7684\u529f\u80fd\u3002\u5177\u4f53\u7684\u4ee3\u7801\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
          public class ShoppingCart {\n    \/\/ ...\n    \n    \/\/ \u4fee\u6539\u8d2d\u7269\u8f66\u4e2d\u7684\u5546\u54c1\u6570\u91cf\n    public void updateProductQuantity(String userId, String productId, int quantity) {\n        jedis.hset(userId, productId, String.valueOf(quantity));\n    }\n}<\/pre>\n
          \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u8fd8\u662f\u4f7f\u7528hset<\/code>\u65b9\u6cd5\u5c06\u4fee\u6539\u540e\u7684\u5546\u54c1\u6570\u91cf\u4fdd\u5b58\u5230Redis\u7684Hash\u4e2d\u3002<\/p>\n
            \n
          1. \u4ece\u8d2d\u7269\u8f66\u4e2d\u79fb\u9664\u5546\u54c1<\/li>\n<\/ol>\n
            \u5f53\u7528\u6237\u4e0d\u9700\u8981\u8d2d\u4e70\u67d0\u4e2a\u5546\u54c1\u65f6\uff0c\u6211\u4eec\u9700\u8981\u5b9e\u73b0\u4ece\u8d2d\u7269\u8f66\u4e2d\u79fb\u9664\u5546\u54c1\u7684\u529f\u80fd\u3002\u5177\u4f53\u7684\u4ee3\u7801\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
            public class ShoppingCart {\n    \/\/ ...\n    \n    \/\/ \u4ece\u8d2d\u7269\u8f66\u4e2d\u79fb\u9664\u5546\u54c1\n    public void removeFromCart(String userId, String productId) {\n        jedis.hdel(userId, productId);\n    }\n}<\/pre>\n
            \u5728\u4e0a\u8ff0\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528hdel<\/code>\u65b9\u6cd5\u4eceRedis\u7684Hash\u4e2d\u79fb\u9664\u6307\u5b9a\u7684\u5546\u54c1\u3002<\/p>\n
            \u901a\u8fc7\u4ee5\u4e0a\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u6211\u4eec\u5df2\u7ecf\u5b9e\u73b0\u4e86\u4f7f\u7528Redis\u548cJava\u5f00\u53d1\u8d2d\u7269\u8f66\u529f\u80fd\u7684\u5173\u952e\u4ee3\u7801\u90e8\u5206\u3002\u5f53\u7136\uff0c\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\u8fd8\u9700\u8981\u8003\u8651\u5176\u4ed6\u7684\u529f\u80fd\u7ec6\u8282\uff0c\u4f8b\u5982\u7ed3\u7b97\u3001\u6e05\u7a7a\u8d2d\u7269\u8f66\u7b49\u3002\u5e0c\u671b\u672c\u6587\u5bf9\u4e8e\u4f7f\u7528Redis\u548cJava\u5f00\u53d1\u8d2d\u7269\u8f66\u529f\u80fd\u7684\u5b9e\u73b0\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
            \n
            \n <\/dt>\n
            \n   GitHub Copilot Chat beta \u73b0\u5df2\u5411\u4e2a\u4eba\u7528\u6237\u63d0\u4f9b\uff0c\u9002\u7528\u4e8e Visual Studio \u548c VS Code\n <\/dd>\n<\/dl>\n
            \n
            \n <\/dt>\n
            \n   Golang\u5f00\u53d1\uff1a\u5b9e\u73b0\u9ad8\u6027\u80fd\u7684\u6570\u636e\u5e93\u8fde\u63a5\u6c60\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
            \u5982\u4f55\u4f7f\u7528Redis\u548cJava\u5f00\u53d1...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-202228","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202228","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"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=202228"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/202228\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=202228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=202228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=202228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}