{"id":1063,"date":"2021-12-03T22:14:41","date_gmt":"2021-12-03T14:14:41","guid":{"rendered":"https:\/\/fireinsect.top\/?p=1063"},"modified":"2022-05-02T20:23:12","modified_gmt":"2022-05-02T12:23:12","slug":"redis%e6%95%b0%e6%8d%ae%e5%ba%93","status":"publish","type":"post","link":"https:\/\/fireinsect.top\/index.php\/2021\/12\/03\/redis%e6%95%b0%e6%8d%ae%e5%ba%93\/","title":{"rendered":"Redis\u6570\u636e\u5e93"},"content":{"rendered":"\n

Redis\u4f5c\u4e3a\u6700\u53d7\u6b22\u8fce\u7684NoSQL\u6570\u636e\u5e93\u4e4b\u4e00\uff0c\u5305\u542b\u591a\u79cd\u6570\u636e\u7ed3\u6784\u3001\u652f\u6301\u7f51\u7edc\u3001\u57fa\u4e8e\u5185\u5b58\u3001\u53ef\u9009\u6301\u4e45\u6027\u7684\u952e\u503c\u5bf9\u5b58\u50a8\u6570\u636e\u5e93<\/p>\n\n\n\n

\u4f5c\u4e3aNoSQL\u6570\u636e\u5e93\uff0cRedis\u91c7\u7528\u6570\u503c\u5bf9\u8fdb\u884c\u6570\u636e\u5b58\u50a8\uff08K-V\uff09\uff0c\u5176\u672c\u8eab\u5177\u6709\u9ad8\u6027\u80fd\u3001\u5206\u5e03\u5f0f\u3001\u591a\u6570\u636e\u7c7b\u578b\u7684\u7279\u70b9\uff0c\u53ef\u4ee5\u5e94\u5bf9\u4f17\u591a\u573a\u666f\u3002<\/p>\n\n\n\n\n\n\n\n

\u5982\u5728\u8bbe\u8ba1\u9a8c\u8bc1\u7801\u77ed\u4fe1\u7684\u65f6\u5019\uff0c\u5728\u7528\u6237\u9a8c\u8bc1\u9a8c\u8bc1\u7801\u4e4b\u524d\u5fc5\u7136\u9700\u8981\u5c06\u9a8c\u8bc1\u7801\u4fe1\u606f\u6682\u65f6\u50a8\u5b58\u5230\u6570\u636e\u5e93\u5185\uff0c\u6b64\u65f6\u4f5c\u4e3a\u62e5\u6709\u9ad8\u6027\u80fd\u7684\u952e\u503c\u5bf9\u6570\u636e\u5e93\u7684Redis\u5c31\u662f\u6781\u597d\u7684\u9009\u62e9<\/p>\n\n\n\n

\u5176\u6b21\uff0c\u5f53\u6570\u636e\u5e93\u9700\u8981\u5728\u77ed\u65f6\u95f4\u5185\u8fdb\u884c\u9ad8\u5e76\u53d1\u64cd\u4f5c\uff0cMySQL\u6570\u636e\u5e93\u7684\u6027\u80fd\u5f88\u96be\u5b8c\u6210\u8fd9\u7c7b\u64cd\u4f5c\uff0c\u6b64\u65f6\u5c31\u9700\u8981\u4f7f\u7528Redis\u6765\u5b8c\u6210\u3002<\/p>\n\n\n\n

\u4f7f\u7528docker\u5b89\u88c5Redis<\/p>\n\n\n\n

sudo docker pull redis:latest\nsudo docker images\nsudo docker run  --name redis -p 6379:6379 -d --restart=always redis:latest redis-server --appendonly yes --requirepass \"Hello122342\"<\/code><\/pre>\n\n\n\n
\u5176\u4e2d Hello122342 \u662f\u5bc6\u7801\uff0c\u800c6379\u8868\u793aRedis\u670d\u52a1\u7684\u7aef\u53e3\u53f7<\/p>\n\n\n\n
<\/div>\n\n\n\n
SpringBoot\u96c6\u6210Redis<\/p>\n\n\n\n
Spring\u652f\u6301\u901a\u8fc7\u7f51\u7edc\u6765\u4f7f\u7528\u548c\u64cd\u4f5cRedis\uff0c\u4f7f\u7528\u5ba2\u6237\u7aef\uff08\u5982Lettuce\u3001Jedis\u3001Redisson\uff09\u6765\u7b80\u5316\u64cd\u4f5c<\/p>\n\n\n\n
\u4f9d\u8d56\u5f15\u5165<\/mark><\/p>\n\n\n\n
<dependency>\n    <groupId>org.springframework.boot<\/groupId>\n    <artifactId>spring-boot-starter-data-redis<\/artifactId>\n<\/dependency><\/code><\/pre>\n\n\n\n
\u914d\u7f6eRedis<\/p>\n\n\n\n
# Redis\u670d\u52a1\u5668\u5730\u5740\nspring.redis.host=192.168.0.1\n# Redis \u670d\u52a1\u5668\u7aef\u53e3\u53f7\nspring.redis.port=6379\n# Redis \u670d\u52a1\u5668\u5bc6\u7801 \uff08\u8bf7\u6362\u6210\u81ea\u5df1\u673a\u5668\u5bc6\u7801\uff09\nspring.redis.password=<\/code><\/pre>\n\n\n\n
StringRedisTemplate\u7c7b\u7684\u4f7f\u7528<\/p>\n\n\n\n
 StringRedisTemplate \u662fRedis\u4e3a\u5b57\u7b26\u4e32\u800c\u4f7f\u7528\u7684\u5de5\u5177\u7c7b\uff0c\u5982\u6211\u4eec\u9700\u8981\u5c06\u9a8c\u8bc1\u7801\u4ee5\uff08\u201c\u624b\u673a\u53f7\u201d-\u201c\u9a8c\u8bc1\u7801\u201d\uff09\u7684\u5f62\u5f0f\u5b58\u5165\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u4f7f\u7528\uff1a<\/p>\n\n\n\n
  stringRedisTemplate.opsForValue().set(\"13902350924\", \"6209\");<\/code><\/pre>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n
\u7531\u4e8e\u4f7f\u7528\u7684\u524d\u7f00\u662fstring\uff0c\u662f\u4e13\u4e3a\u5b57\u7b26\u4e32\u8bbe\u8ba1\u7684\u5de5\u5177\u7c7b\uff0c\u56e0\u6b64\u5176\u4e2d\u7684\u6570\u636e\u4e3a\u201c6209\u201d\uff0c\u800c\u4e0d\u662f\u6570\u5b57\u7c7b\u578b\u76846209<\/p>\n\n\n\n
\u540c\u65f6\uff0c\u9664\u4e86\u901a\u8fc7 StringRedisTemplate \u6765\u5f55\u5165\u65b0\u6570\u636e\uff0c\u4e5f\u53ef\u4ee5\u901a\u8fc7\u8fd9\u4e2a\u5de5\u5177\u7c7b\u6765\u83b7\u53d6\u6570\u636e\uff0c\u5982\uff1a<\/p>\n\n\n\n
\n\nstringRedisTemplate.opsForValue().get(\"13902350924\");\n\n<\/code><\/pre>\n\n\n\n
\u5373\u4e3a\u4eceRedis\u6570\u636e\u5e93\u4e2d\u83b7\u53d6key\u503c\u4e3a 13902350924 \u7684value\u503c<\/p>\n\n\n\n
RedisTemplate\u4f7f\u7528<\/p>\n\n\n\n
RedisTemplate\u662fSpring Data Redis\u63d0\u4f9b\u7684\u6700\u9ad8\u7ea7\u7684\u62bd\u8c61\u5ba2\u6237\u7aef\uff0c\u53ef\u4ee5\u901a\u8fc7\u5b83\u6765\u5b8c\u6210\u591a\u79cd\u64cd\u4f5c\u3002<\/p>\n\n\n\n
\u7f13\u5b58\u5b58\u5165\u548c\u83b7\u53d6<\/strong><\/p>\n\n\n\n
\u518d\u5b9e\u4f8b\u5316RedisTemplate\u540e\uff0c\u901a\u8fc7.opsForValue()<\/code>\u65b9\u6cd5\u6765\u5b9e\u73b0\u7f13\u5b58\u7684\u5b58\u5165\u548c\u83b7\u53d6\u3002<\/p>\n\n\n\n
redisTemplate.opsForValue().set(userName, userDO); \/\/\u4f7f\u7528userName\u4f5c\u4e3akey\u503c\uff0cuserDO\u4f5c\u4e3avalue\u5b58\u5165\u7f13\u5b58\uff08userDO\u8981\u5b9e\u73b0\u5e8f\u5217\u5316\uff09\n(UserDO)redisTemplate.opsForValue().get(userName); \/\/\u901a\u8fc7userName\u4f5c\u4e3akey\u503c\uff0c\u83b7\u53d6\u5bf9\u8c61(\u8981\u7ecf\u8fc7\u7c7b\u578b\u8f6c\u6362)<\/code><\/pre>\n\n\n\n
\u7f13\u5b58\u7684\u4fee\u6539\u548c\u5220\u9664<\/strong><\/p>\n\n\n\n
\u57fa\u4e8e\u952e\u503c\u5bf9\u7684Redis\u662f\u65e0\u6cd5\u4fee\u6539Value\u7684\u67d0\u4e2a\u5c5e\u6027\uff0c\u6240\u8c13\u4fee\u6539\u5c31\u662f\u91cd\u65b0\u5b58\u5165\u503c\u3002\uff08\u5373\u5148\u83b7\u53d6value\uff0c\u518d\u4fee\u6539\u83b7\u53d6\u7684\u503c\uff0c\u91cd\u65b0\u5b58\u5165\uff09<\/p>\n\n\n\n
redisTemplate.opsForValue().set(userName, userDO);<\/code><\/pre>\n\n\n\n
<\/div>\n\n\n\n
\u5220\u9664\u7f13\u5b58\u5176\u5b9e\u662f\u6309\u7167Key\u6765\u5220\u9664\u6570\u636e\uff0c\u56e0\u4e3a\u4e0d\u518d\u662f\u5173\u7cfb\u5230Value\u800c\u662f\u901a\u8fc7Key\u5220\u9664\u6574\u6761K-V\u6570\u636e\uff0c\u56e0\u6b64\uff0c\u5220\u9664\u8bed\u53e5\u4e0d\u9700\u8981\u52a0\u4e0aopsForValue()<\/code>\u65b9\u6cd5\uff0c\u800c\u662f\u76f4\u63a5\u8c03\u7528delete()<\/code><\/p>\n\n\n\n
redisTemplate.delete(userName);<\/code><\/pre>\n\n\n\n
Redis\u5217\u8868\u64cd\u4f5c<\/p>\n\n\n\n
Redis\u5217\u8868\u7ed3\u6784\u5c31\u662f\u6211\u4eec\u5e38\u8bf4\u7684List\uff0c\u901a\u8fc7\u5217\u8868\u7ed3\u6784\u5c06\u4fe1\u606f\u8fdb\u884c\u4f20\u8f93\u5212\u5206\uff0c\u4ece\u800c\u4f7f\u5f97Redis\u5b58\u50a8java\u5bf9\u8c61<\/p>\n\n\n\n
\u5f53\u7136\uff0c\u5bf9\u8c61\u4fe1\u606f\u9700\u8981\u7ecf\u8fc7\u7f51\u7edc\u4f20\u8f93\u624d\u80fd\u5b58\u5165\u8fdc\u7a0b\u7684Redis\u670d\u52a1\u5668\uff0c\u6240\u4ee5\u5bf9\u4e8eRedis\u5b58\u50a8\u3001\u8bfb\u53d6\u7684\u5bf9\u8c61\u90fd\u5fc5\u987b\u8981\u80fd\u8fc7\u5e8f\u5217\u5316\u3002<\/p>\n\n\n\n
<\/p>\u7f51\u7edc\u4e0d\u80fd\u76f4\u63a5\u4f7f\u7528Java\u5bf9\u8c61\uff0c\u5e8f\u5217\u5316\u5c31\u662f\u628aJava\u5bf9\u8c61\u53d8\u6210\u53ef\u4ee5\u4f20\u8f93\u7684\u6570\u636e<\/cite><\/blockquote>\n\n\n\n
\u6240\u4ee5\u5728\u8bbe\u8ba1\u5b58\u5165Redis\u6570\u636e\u5e93\u7684\u6570\u636e\u7c7b\u65f6\uff0c\u8981\u5b9e\u73b0   java.io.Serializable<\/code> \u4fdd\u8bc1\u5bf9\u8c61\u53ef\u4ee5\u5e8f\u5217\u5316\u3002<\/p>\n\n\n\n
<\/p>\u5e8f\u5217\u5316\u7684\u8fc7\u7a0b\u7531RedisTemplate\u81ea\u52a8\u5b8c\u6210\uff0c\u4f46\u5fc5\u987b\u5b9e\u73b0\u63a5\u53e3\u8fdb\u884c\u6807\u8bc6<\/cite><\/blockquote>\n\n\n\n
\u63d2\u5165\u5bf9\u8c61<\/p>\n\n\n\n
\u6211\u4eec\u4f7f\u7528 leftPush<\/code> \u548c rightPush <\/code>\u6765\u63d2\u5165\u5bf9\u8c61<\/p>\n\n\n\n
\u5176\u4e2d leftPush\u8868\u793a\u4ece\u5de6\u5411\u53f3\u4f9d\u6b21\u63d2\u5165\u6570\u636e\uff0crightPush\u8868\u793a\u4ece\u53f3\u5411\u5de6\u4f9d\u6b21\u63d2\u5165\u6570\u636e\u3002\u5982\uff1a<\/p>\n\n\n\n
redisTemplate.opsForList().leftPush(\"categoryList\", firstCategory);<\/code><\/pre>\n\n\n\n
\u5373\u5411  categoryList \u5217\u8868\u4ece\u5de6\u5411\u53f3\u63d2\u5165firstCategory\u5bf9\u8c61 <\/p>\n\n\n\n
\u6ce8\u610f\u7684\u662f\u8fd9\u91cc\u6211\u4eec\u4f7f\u7528\u7684\u662fforList<\/p>\n\n\n\n
\u65e0\u8bba\u662fleftPush<\/code> \u548c rightPush<\/code>\u90fd\u5b58\u5728\u8fd4\u56de\u503c\uff0c\u7c7b\u578b\u662flong\u8868\u793a\u6267\u884c\u5b8c\u64cd\u4f5c\u540e\uff0c\u5217\u8868\u7684\u957f\u5ea6\u3002<\/p>\n\n\n\n
<\/p>\n\n\n\n
<\/div>\n\n\n\n
\u67e5\u8be2\u6570\u636e<\/p>\n\n\n\n
\u67e5\u8be2\u5217\u8868\u957f\u5ea6\uff1a<\/p>\n\n\n\n
Long size = redisTemplate.opsForList().size(\"categoryList\");<\/code><\/pre>\n\n\n\n
\u6839\u636e\u7d22\u5f15\u67e5\u8be2\uff1a<\/p>\n\n\n\n
Category category = (Category)redisTemplate.opsForList().index(\"categoryList\", index);<\/code><\/pre>\n\n\n\n
index()\u65b9\u6cd5\u7528\u4e8e\u6839\u636e\u7d22\u5f15\u67e5\u8be2\u6570\u636e\uff0c\u7b2c\u4e00\u4e2a\u53c2\u6570\u8868\u793a\u5217\u8868Key\uff0c\u7b2c\u4e8c\u4e2a\u53c2\u6570\u8868\u793a\u7d22\u5f15\u3002<\/p>\n\n\n\n
\u7531\u4e8e\u4ece\u5de6\u6216\u4ece\u53f3\u63d2\u5165\u6570\u636e\u65f6\uff0c\u5143\u7d20\u4f4d\u7f6e\u4f1a\u53d1\u751f\u53d8\u5316\uff0c\u6240\u4ee5\u7528\u7d22\u5f15\u65f6\u8981\u6ce8\u610f\u7ed3\u679c\u53ef\u80fd\u4e0e\u9884\u671f\u4e0d\u7b26\u3002<\/p>\n\n\n\n
\u8303\u56f4\u67e5\u8be2\uff1a<\/p>\n\n\n\n
\/\/\u67e5\u8be2\u5217\u8868\u5185\u6240\u6709\u7684\u7c7b\u76ee\u6570\u636e\n List<Category> categoryDatas = redisTemplate.opsForList().range(\"categoryList\", 0, -1);<\/code><\/pre>\n\n\n\n
\u6211\u4eec\u901a\u8fc7 range<\/code> \u6765\u67e5\u8be2\u5217\u8868\u5185\u7684\u503c\uff0c\u5176\u4e2d<\/p>\n\n\n\n
range\u7684\u7b2c\u4e00\u4e2a\u53c2\u6570\u662fkey\uff0c\u5373\u8868\u793a\u5217\u8868\u540d<\/p>\n\n\n\n
\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u8d77\u59cb\u4f4d\u7f6e<\/p>\n\n\n\n
\u7b2c\u4e09\u4e2a\u53c2\u6570\u662f\u7ed3\u675f\u4f4d\u7f6e\uff0c\u5176\u4e2d\u201c-1\u201d\u8868\u793a\u53d6\u5f97\u6240\u6709<\/p>\n\n\n\n
\u7531\u4e8eRedis\u4e0d\u80fd\u50cfMySQL\u4e00\u6837\u8fdb\u884c\u6761\u4ef6\u67e5\u8be2\uff0c\u6240\u4ee5\u5f53\u9700\u8981\u6309\u6761\u4ef6\u67e5\u627e\u65f6\uff0c\u9700\u8981\u5148\u67e5\u8be2\u6240\u6709\u7c7b\u76ee\uff0c\u518d\u67e5\u627e\u7b26\u5408\u6761\u4ef6\u7684\u503c\u3002<\/p>\n\n\n\n
<\/div>\n\n\n\n
\u6570\u636e\u4fee\u6539<\/p>\n\n\n\n
Redis\u7c7b\u76ee\u6570\u636e\u7684\u4fee\u6539\uff0c\u4e0d\u50cf\u5173\u7cfb\u578b\u6570\u636e\u5e93\uff0c\u53ef\u4ee5\u53ea\u4fee\u6539\u51e0\u4e2a\u5b57\u6bb5\u3002\u5b83\u9700\u8981\u628a\u6570\u636e\u5bf9\u8c61\u91cd\u65b0\u653e\u5165\u5217\u8868\u4e2d\u3002<\/p>\n\n\n\n
\u4f7f\u7528set()\u65b9\u6cd5<\/strong>\u5b9e\u73b0\u6570\u636e\u7684\u4fee\u6539\uff1a<\/p>\n\n\n\n
\/\/ \u6f14\u793a\u4ee3\u7801\u7701\u7565 set \u5404\u5c5e\u6027\u503c<\/em>\nCategory category = new<\/strong> Category();\nredisTemplate.opsForList().set(\"categoryList\", 0, category);<\/code><\/pre>\n\n\n\n
\u7b2c\u4e00\u4e2a\u53c2\u6570\u4e3a\u5217\u8868\u7684Key\uff0c\u7b2c\u4e8c\u4e2a\u4e3a\u5bf9\u8c61\u7d22\u5f15\uff0c\u7b2c\u4e09\u4e2a\u662f\u65b0\u7684\u5bf9\u8c61\u3002<\/p>\n\n\n\n
\u81f3\u4e8e\u5982\u4f55\u77e5\u9053\u7d22\u5f15\uff0c\u6700\u76f4\u89c2\u7684\u65b9\u6cd5\u662f\u6839\u636e\u63d2\u5165\u7684\u987a\u5e8f\uff0c\u63a8\u7b97\u51fa\u7d22\u5f15\u3002\u4f46\u5f88\u591a\u60c5\u51b5\u4e0b\u7531\u4e8e\u5404\u7c7b\u64cd\u4f5c\u4e0d\u662f\u8fde\u7eed\u7684\uff0c\u5f88\u96be\u63a8\u7b97\u3002<\/p>\n\n\n\n
\u56e0\u6b64\u6211\u4eec\u901a\u8fc7\u628a\u5217\u8868\u6570\u636e\u90fd\u67e5\u51fa\u6765\uff0c\u76f4\u63a5\u67e5\u627e\u7d22\u5f15\u7684\u65b9\u5f0f\uff1a<\/p>\n\n\n\n
\/\/ \u67e5\u8be2\u6240\u6709\u7684\u6570\u636e<\/em>\nList<Category> categoryDatas = redisTemplate.opsForList().range(\"categoryList\", 0, -1);\nlong<\/strong> index = 0;\nfor<\/strong> (Category cat : categoryDatas) {\n    if<\/strong> (StringUtils.equals(cat.getId(), \"gcl_001\")) {\n        break<\/strong>;\n    }\n    index++;\n}<\/code><\/pre>\n\n\n\n
<\/div>\n\n\n\n
\u5220\u9664\u6570\u636e<\/p>\n\n\n\n
\u6211\u4eec\u4f7f\u7528leftPop<\/code>\u548crightPop<\/code>\u6765\u5220\u9664\u5217\u8868\u5185\u5143\u7d20<\/p>\n\n\n\n
\u5176\u4e2dleftPop<\/code>\u8868\u793a\u5220\u9664\u5934\u5143\u7d20\uff0crightPop<\/code>\u8868\u793a\u5220\u9664\u5c3e\u5143\u7d20\u3001<\/p>\n\n\n\n
Category cat = (Category)redisTemplate.opsForList().rightPop(\"categoryList\");<\/code><\/pre>\n\n\n\n
<\/div>\n\n\n\n
\u5206\u5e03\u5f0fID<\/p>\n\n\n\n
ID\u662f\u6570\u636e\u7684\u552f\u4e00\u6807\u8bc6\uff0c\u5e38\u89c1\u7684\u4f5c\u6cd5\u662f\u7528\u6570\u636e\u5e93\u7684AUTO_INCREMENT\uff08\u4e3b\u952e\u81ea\u589e\uff09\u673a\u5236\uff0c\u81ea\u52a8\u751f\u6210ID.<\/p>\n\n\n\n
\u4f46\u968f\u7740\u4e1a\u52a1\u7684\u53d1\u5c55\uff0c\u6570\u636e\u91cf\u4f1a\u8d8a\u6765\u8d8a\u5927\uff0c\u4e00\u4e2a\u6570\u636e\u5e93\u65e0\u6cd5\u5bb9\u7eb3\u592a\u591a\u6570\u636e\u65f6\u4f1a\u65bd\u884c\u5206\u8868\u751a\u81f3\u5206\u5e93\u3002\u8fd9\u5c31\u5bfc\u81f4\u4e3b\u952e\u81ea\u589e\u673a\u5236\u4f1a\u5e26\u6765ID\u51b2\u7a81\u3002\u8fd9\u65f6\u5c31\u9700\u8981\u4e00\u4e2a\u5355\u72ec\u7684\u673a\u5236\u6765\u751f\u6210\u4e00\u4e2a\u552f\u4e00\u7684ID\u3002<\/p>\n\n\n\n
\u5982\u7ebf\u4e0a\u8d2d\u4e70\u53ef\u80fd\u5b58\u5728\u7684\u8ba2\u5355\u53f7\uff0c\u8981\u751f\u6210\u4e00\u4e2a\u2018202102011\u2019\u524d\u516b\u4e2a\u6570\u5b57\u8868\u793a\u8ba2\u5355\u65e5\u671f\u4e3a2021.02.01 \u3002\u6700\u540e\u4e00\u4f4d\u8868\u793a\u7b2c\u4e00\u4e2a\u8ba2\u5355\u3002<\/p>\n\n\n\n
Redis\u6709\u4e2a\u7279\u70b9\u662f \u6240\u6709\u7684\u547d\u4ee4\u64cd\u4f5c\u90fd\u662f\u5355\u7ebf\u7a0b\u7684\uff0c\u4e0d\u50cfJava\u90a3\u4e48\u590d\u6742\u6709\u591a\u7ebf\u7a0b\u7684\u6982\u5ff5\u3002\u4f46\u5b83\u8db3\u591f\u5feb\uff0c\u57fa\u4e8e\u8fd9\u4e2a\u7279\u70b9\uff0cRedis\u63d0\u4f9b\u4e86\u81ea\u589e\u539f\u5b50\u547d\u4ee4\uff0c\u4fdd\u8bc1\u751f\u6210ID\u662f\u552f\u4e00\u6709\u5e8f\u7684\u3002\u8fc7\u7a0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n
\/\/\u683c\u5f0f\u5316\u683c\u5f0f\u4e3a\u5e74\u6708\u65e5<\/em>\nDateTimeFormatter dateTimeFormatter = DateTimeFormatter.ofPattern(\"yyyyMMdd\");\n\/\/\u83b7\u53d6\u5f53\u524d\u65f6\u95f4<\/em>\nString now = LocalDate.now().format(dateTimeFormatter);\n\/\/\u901a\u8fc7redis\u7684\u81ea\u589e\u83b7\u53d6\u5e8f\u53f7<\/em>\nRAtomicLong atomicLong = redissonClient.getAtomicLong(now);\natomicLong.expire(1, TimeUnit.DAYS);\nlong<\/strong> number = atomicLong.incrementAndGet();\n\/\/\u62fc\u88c5\u8ba2\u5355\u53f7<\/em>\nString orderId = now + \"\" + number;<\/code><\/pre>\n\n\n\n
\u8fd9\u91cc\u5728\u83b7\u53d6\u5230\u5f53\u524d\u65f6\u95f4\u540e\uff0c\u56e0\u4e3aRedis\u662fKey-Value\u50a8\u5b58\u7ed3\u6784\uff0c\u90a3\u4e48\u83b7\u53d6\u6709\u4e2a\u81ea\u589eID\u4e5f\u9700\u8981\u4e00\u4e2aKey\uff0c\u4e0a\u8bc9\u4ee3\u7801\uff0cRAtomicLong atomicLong = redissonClient.getAtomicLong(now);<\/code>\u8868\u793a\u4ee5now\u4e3aKey\u83b7\u53d6\u4e00\u4e2a\u81ea\u589e\u7684\u5b9e\u4f8b\u5bf9\u8c61\uff0catomicLong.expire(1, TimeUnit.DAYS);<\/code>\u8868\u793a\u5bf9\u8c61\u7684\u6709\u6548\u671f\uff0c\u4f7f\u7528 long<\/strong> number = atomicLong.incrementAndGet();<\/code>\u83b7\u53d6\u5230\u4e86\u81ea\u589e\u91cf\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
Redis\u4f5c\u4e3a\u6700\u53d7\u6b22\u8fce\u7684NoSQL\u6570\u636e\u5e93\u4e4b\u4e00\uff0c\u5305\u542b\u591a\u79cd\u6570\u636e\u7ed3\u6784\u3001\u652f\u6301\u7f51\u7edc\u3001\u57fa\u4e8e\u5185\u5b58\u3001\u53ef\u9009\u6301\u4e45\u6027\u7684\u952e\u503c\u5bf9\u5b58\u50a8\u6570\u636e […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","footnotes":""},"categories":[6,1],"tags":[],"class_list":["post-1063","post","type-post","status-publish","format-standard","hentry","category-6","category-wcd"],"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1063"}],"collection":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/comments?post=1063"}],"version-history":[{"count":16,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1063\/revisions"}],"predecessor-version":[{"id":1164,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/posts\/1063\/revisions\/1164"}],"wp:attachment":[{"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/media?parent=1063"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/categories?post=1063"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fireinsect.top\/index.php\/wp-json\/wp\/v2\/tags?post=1063"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}