{"id":201155,"date":"2025-05-10T10:44:19","date_gmt":"2025-05-10T02:44:19","guid":{"rendered":"https:\/\/server.hk\/cnblog\/201155\/"},"modified":"2025-05-10T10:44:19","modified_gmt":"2025-05-10T02:44:19","slug":"redis%e4%b8%ad%e7%9a%84%e4%ba%8b%e5%8a%a1%e6%93%8d%e4%bd%9c%e6%a1%88%e4%be%8b%e5%88%86%e6%9e%90","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/201155\/","title":{"rendered":"redis\u4e2d\u7684\u4e8b\u52a1\u64cd\u4f5c\u6848\u4f8b\u5206\u6790"},"content":{"rendered":"

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

redis\u4e2d\u7684\u4e8b\u52a1\u64cd\u4f5c\u6848\u4f8b\u5206\u6790<\/h1>\n

<\/i>\u6536\u85cf<\/span> <\/p>\n

\u77e5\u8bc6\u70b9\u638c\u63e1\u4e86\uff0c\u8fd8\u9700\u8981\u4e0d\u65ad\u7ec3\u4e60\u624d\u80fd\u719f\u7ec3\u8fd0\u7528\u3002\u4e0b\u9762golang\u5b66\u4e60\u7f51\u7ed9\u5927\u5bb6\u5e26\u6765\u4e00\u4e2a\u6570\u636e\u5e93\u5f00\u53d1\u5b9e\u6218\uff0c\u624b\u628a\u624b\u6559\u5927\u5bb6\u5b66\u4e60\u300aredis\u4e2d\u7684\u4e8b\u52a1\u64cd\u4f5c\u6848\u4f8b\u5206\u6790\u300b\uff0c\u5728\u5b9e\u73b0\u529f\u80fd\u7684\u8fc7\u7a0b\u4e2d\u4e5f\u5e26\u5927\u5bb6\u91cd\u65b0\u6e29\u4e60\u76f8\u5173\u77e5\u8bc6\u70b9\uff0c\u6e29\u6545\u800c\u77e5\u65b0\uff0c\u56de\u5934\u770b\u770b\u8bf4\u4e0d\u5b9a\u53c8\u6709\u4e0d\u4e00\u6837\u7684\u611f\u609f\uff01<\/p>\n

\u672c\u6587\u5b9e\u4f8b\u8bb2\u8ff0\u4e86redis\u4e2d\u7684\u4e8b\u52a1\u64cd\u4f5c\u3002\u5206\u4eab\u7ed9\u5927\u5bb6\u4f9b\u5927\u5bb6\u53c2\u8003\uff0c\u5177\u4f53\u5982\u4e0b\uff1a<\/p>\n

redis\u4e0emysql\u7684\u4e8b\u52a1<\/strong><\/span><\/p>\n

Redis\u652f\u6301\u7b80\u5355\u7684\u4e8b\u52a1<\/p>\n

<\/p>\n

\u7b80\u5355\u4f7f\u7528<\/strong><\/p>\n

\u8bb2\u5f20\u4e09\u7684100\u5706\u94b1\u8f6c\u8d26\u7ed9lisi\uff1a<\/p>\n

\nset zhangsan 800\nset lisi 100\nmulti\ndecrby zhangsan 100\nincrby lisi 100\nexec\n\n<\/pre>\n
\u5931\u8d25\u7684\u4e24\u79cd\u60c5\u51b5<\/strong><\/p>\n
\u5728mutil\u540e\u9762\u7684\u8bed\u53e5\u4e2d, \u8bed\u53e5\u51fa\u9519\u53ef\u80fd\u67092\u79cd\u60c5\u51b5\uff0c\u8fd8\u662f\u4ee5\u8f6c\u8d26\u7684\u60c5\u51b5\u6765\u5206\u6790\uff1a<\/p>\n
\uff081\uff09\u8bed\u6cd5\u5c31\u6709\u95ee\u9898<\/p>\n
\n127.0.0.1:6379> multi\nOK\n127.0.0.1:6379> decrby zhang 100\nQUEUED\n127.0.0.1:6379> hasdfasdf\n(error) ERR unknown command 'hasdfasdf'\n127.0.0.1:6379> exec\n(error) EXECABORT Transaction discarded because of previous errors.\n127.0.0.1:6379> mget zhang wang\n1) \"800\"\n2) \"100\"\n\n<\/pre>\n
\u8fd9\u79cd,exec\u65f6,\u62a5\u9519, \u6240\u6709\u8bed\u53e5\u5f97\u4e0d\u5230\u6267\u884c\uff0c\u6240\u4ee5\u8fd8\u662f800\u548c100\u5706<\/p>\n
\uff082\uff09\u8bed\u6cd5\u672c\u8eab\u6ca1\u9519,\u4f46\u9002\u7528\u5bf9\u8c61\u6709\u95ee\u9898<\/p>\n
\n127.0.0.1:6379> multi\nOK\n127.0.0.1:6379> decrby zhang 100\nQUEUED\n127.0.0.1:6379> sadd wang 1\nQUEUED\n127.0.0.1:6379> exec\n1) (integer) 700\n2) (error) WRONGTYPE Operation against a key holding the wrong kind of value\n127.0.0.1:6379> mget zhang wang\n1) \"700\"\n2) \"100\"\n\n<\/pre>\n
Exec\u4e4b\u540e,\u4f1a\u6267\u884c\u6b63\u786e\u7684\u8bed\u53e5,\u5e76\u8df3\u8fc7\u6709\u4e0d\u9002\u5f53\u7684\u8bed\u53e5\uff0c\u6240\u4ee5\u8fd9\u91cc\u662f\u4e00\u4e2a700\u5706\u4e00\u4e2a100\u5706\u4e86<\/p>\n
\u6848\u4f8b<\/strong><\/span><\/p>\n
\u5047\u8bbe\u4e70\u7968\u6848\u4f8b\uff0c\u5f53\u524d\u53ea\u67091\u5f20\u7968\u548c100\u5757\u94b1\uff0c\u5982\u679c\u6211\u5728\u4e70\u7968\u7684\u8fc7\u7a0b\u4e2d\uff0c\u5728\u6211multi\u4e4b\u540e\uff0c\u548cexec\u4e4b\u524d\uff0c\u7968\u88ab\u522b\u4eba\u4e70\u4e86\u2014\u5373ticket\u5df2\u7ecf\u53d8\u62100\u4e86\uff0c\u7136\u540e\u6211\u4eec\u6267\u884cexec\u7684\u65f6\u5019\u5c31\u4f1a\u5c06\u7968\u53d8\u4e3a-1\uff0c\u8fd9\u5c31\u4e0d\u5bf9\u4e86\u3002<\/p>\n
\n127.0.0.1:6379> set ticket 1\nOK\n127.0.0.1:6379> set money 100\nOK\n127.0.0.1:6379> multi\nOK\n127.0.0.1:6379> decr ticket\nQUEUED\n127.0.0.1:6379> decrby money 10\n\nQUEUED\n127.0.0.1:6379> exec\n1) (integer) -1\n2) (integer) 90\n\n<\/pre>\n
\u4f7f\u7528watch\u6765\u68c0\u6d4b\u7968\u6709\u6ca1\u6709\u88ab\u4e70\u8d70<\/strong><\/p>\n
\u5b9e\u7528watch<\/code>\u6765\u68c0\u6d4b\u6307\u5b9a\u7684key\uff0c\u8d1f\u8d23\u76d1\u6d4bkey\u6ca1\u6709\u88ab\u6539\u52a8\u3002<\/p>\n
\n127.0.0.1:6379> set ticket 1\nOK\n127.0.0.1:6379> set money 100\nOK\n127.0.0.1:6379> watch ticket\nOK\n127.0.0.1:6379> multi\nOK\n127.0.0.1:6379> decr ticket\nQUEUED\n127.0.0.1:6379> decrby money 10\nQUEUED\n127.0.0.1:6379> exec\n(nil)\/\/\u8fd4\u56denil,\u8bf4\u660e\u76d1\u89c6\u7684ticket\u5df2\u7ecf\u6539\u53d8\u4e86,\u4e8b\u52a1\u5c31\u53d6\u6d88\u4e86.\n127.0.0.1:6379> mget ticket money\n1) \"0\"\n2) \"100\"\n\n<\/pre>\n
\u5728\u6267\u884cexec\u4e4b\u524d\uff0c\u7968\u88ab\u4e70\u8d70\u4e86\uff0cticket\u4e3a0\u4e86\uff0c\u7136\u540e\u6267\u884cexec\u540e\uff0c\u53d1\u73b0ticket\u88ab\u52a8\u4e86\uff0c\u6240\u4ee5\u5c31\u4e0d\u6267\u884c\u4e8b\u52a1\u4e86\uff0c\u4e8b\u52a1\u88ab\u53d6\u6d88\u4e86\u3002\u5728\u6267\u884cexec\u7684\u65f6\u5019\u8fd4\u56denil<\/code>\u3002<\/p>\n
watch\u76f8\u5173\u7528\u6cd5<\/strong><\/p>\n
\nwatch key1 key2 ... keyN\n\n<\/pre>\n
\u4f5c\u7528\uff1a\u76d1\u542ckey1 key2..keyN\u6709\u6ca1\u6709\u53d8\u5316,\u5982\u679c\u6709\u53d8, \u5219\u4e8b\u52a1\u53d6\u6d88<\/p>\n
\nunwatch\n\n<\/pre>\n
\u4f5c\u7528\uff1a\u53d6\u6d88\u6240\u6709watch\u76d1\u542c<\/p>\n
\u5e0c\u671b\u672c\u6587\u6240\u8ff0\u5bf9\u5927\u5bb6Redis\u6570\u636e\u5e93\u7a0b\u5e8f\u8bbe\u8ba1\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
redis\u4e2d\u7684\u4e8b\u52a1\u64cd\u4f5c\u6848\u4f8b\u5206\u6790 ...<\/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-201155","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201155","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=201155"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/201155\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=201155"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=201155"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=201155"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}