{"id":97753,"date":"2026-08-30T07:08:54","date_gmt":"2026-08-29T23:08:54","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/97753.html"},"modified":"2026-08-30T07:08:54","modified_gmt":"2026-08-29T23:08:54","slug":"%e5%85%a8%e7%bd%91%e6%9c%80%e7%bb%86-c-redis-%e5%bc%80%e5%8f%91%e6%95%99%e7%a8%8b%ef%bc%9a%e5%ba%93%e5%ae%89%e8%a3%85-%e9%80%9a%e7%94%a8%e5%91%bd%e4%bb%a4-%e4%ba%94%e5%a4%a7%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/97753.html","title":{"rendered":"\u5168\u7f51\u6700\u7ec6 C++ Redis \u5f00\u53d1\u6559\u7a0b\uff1a\u5e93\u5b89\u88c5 + \u901a\u7528\u547d\u4ee4 + \u4e94\u5927\u7c7b\u578b + \u96c6\u7fa4\u9002\u914d----\u300aHello Redis!\u300b(4)"},"content":{"rendered":"<\/p>\n<h4>\u6587\u7ae0\u76ee\u5f55<\/h4>\n<ul>\n<li>\u524d\u8a00<\/li>\n<li>\u4f7f\u7528C&#043;&#043;\u63a5\u53e3\u64cd\u4f5cRedis<\/li>\n<li>\n<ul>\n<li>\u5b89\u88c5redis-plus-plus<\/li>\n<li>Redis\u76f8\u5173\u7684C&#043;&#043;\u63a5\u53e3<\/li>\n<li>string\u76f8\u5173\u7684\u63a5\u53e3<\/li>\n<li>list\u76f8\u5173\u7684\u63a5\u53e3<\/li>\n<li>set\u76f8\u5173\u7684\u63a5\u53e3<\/li>\n<li>hash\u76f8\u5173\u7684\u63a5\u53e3<\/li>\n<li>zset\u76f8\u5173\u7684\u63a5\u53e3<\/li>\n<li>\u96c6\u7fa4\u76f8\u5173\u7684\u63a5\u53e3<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h2>\u524d\u8a00<\/h2>\n<p>\u5728\u524d\u9762\u7684\u7cfb\u5217\u6587\u7ae0\u4e2d&#xff0c;\u6211\u4eec\u5df2\u7ecf\u7cfb\u7edf\u638c\u63e1\u4e86 Redis \u7684\u6838\u5fc3\u7279\u6027\u3001\u4e94\u5927\u57fa\u7840\u6570\u636e\u7c7b\u578b&#xff08;string\/hash\/list\/set\/zset&#xff09;\u7684\u547d\u4ee4\u7528\u6cd5\u4e0e\u4e1a\u52a1\u573a\u666f\u3002\u4f46\u5728\u5b9e\u9645\u7684\u540e\u7aef\u9879\u76ee\u5f00\u53d1\u4e2d&#xff0c;\u901a\u8fc7\u7f16\u7a0b\u8bed\u8a00\u8c03\u7528 Redis \u63a5\u53e3\u5b9e\u73b0\u4e1a\u52a1\u903b\u8f91&#xff0c;\u624d\u662f\u843d\u5730\u5e94\u7528\u7684\u5173\u952e\u3002\u5bf9\u4e8e\u8ffd\u6c42\u9ad8\u6027\u80fd\u7684 C&#043;&#043; \u540e\u7aef\u5f00\u53d1\u800c\u8a00&#xff0c;redis-plus-plus\u662f\u57fa\u4e8e hiredis \u5c01\u88c5\u3001\u652f\u6301 C&#043;&#043;11 \u53ca\u4ee5\u4e0a\u6807\u51c6\u7684\u4e3b\u6d41 Redis \u5ba2\u6237\u7aef\u5e93&#xff0c;\u63a5\u53e3\u7b80\u6d01\u3001\u529f\u80fd\u5b8c\u5907&#xff0c;\u5b8c\u7f8e\u9002\u914d\u751f\u4ea7\u73af\u5883\u5f00\u53d1\u3002<\/p>\n<p>\u672c\u6587\u5c06\u5e26\u4f60\u4ece\u96f6\u5f00\u59cb&#xff0c;\u5b8c\u6210C&#043;&#043; \u64cd\u4f5c Redis \u7684\u5168\u6d41\u7a0b\u5b9e\u6218&#xff1a;\u4ece Ubuntu \u73af\u5883\u4e0b hiredis \u4e0e redis-plus-plus \u7684\u5b89\u88c5\u7f16\u8bd1&#xff0c;\u5230 RESP \u901a\u4fe1\u534f\u8bae\u7684\u6838\u5fc3\u539f\u7406&#xff1b;\u4ece Redis \u901a\u7528\u547d\u4ee4&#xff08;ping\u3001exists\u3001expire \u7b49&#xff09;\u7684 C&#043;&#043; \u63a5\u53e3\u5b9e\u73b0&#xff0c;\u5230 string\u3001list\u3001set\u3001hash\u3001zset \u4e94\u5927\u6838\u5fc3\u7c7b\u578b\u7684 API \u5b9e\u6218\u8c03\u7528&#xff1b;\u518d\u5230 Redis \u96c6\u7fa4\u7684\u9002\u914d\u4f7f\u7528\u3001Optional\u7c7b\u578b\u5224\u7a7a\u3001\u8fed\u4ee3\u5668\u7528\u6cd5\u7b49\u5173\u952e\u7ec6\u8282\u3002<\/p>\n<p>\u5168\u6587\u4ee5\u53ef\u76f4\u63a5\u8fd0\u884c\u7684\u4ee3\u7801\u793a\u4f8b\u4e3a\u6838\u5fc3&#xff0c;\u8986\u76d6\u5f00\u53d1\u4e2d\u9ad8\u9891\u4f7f\u7528\u7684\u6240\u6709\u63a5\u53e3&#xff0c;\u5e2e\u4f60\u5feb\u901f\u638c\u63e1 C&#043;&#043; \u4e0e Redis \u7684\u96c6\u6210\u5f00\u53d1&#xff0c;\u8f7b\u677e\u5c06 Redis \u7684\u7f13\u5b58\u3001\u961f\u5217\u3001\u6392\u884c\u699c\u7b49\u80fd\u529b\u843d\u5730\u5230\u5b9e\u9645\u9879\u76ee\u4e2d\u3002<\/p>\n<h2>\u4f7f\u7528C&#043;&#043;\u63a5\u53e3\u64cd\u4f5cRedis<\/h2>\n<p>\u8fd9\u91cc\u81ea\u5df1\u9009\u62e9C&#043;&#043;\u64cd\u4f5cRedis\u7684\u5e93\u662fredis-plus-plus<\/p>\n<p>\u4f7f\u7528C&#043;&#043;\u63a5\u53e3\u80fd\u64cd\u4f5cRedis\u7684\u539f\u56e0:<\/p>\n<p>Redis\u81ea\u5df1\u5b9a\u4e49\u4e86\u4e00\u5957\u8bf7\u6c42\/\u54cd\u5e94\u683c\u5f0f(RESP\u534f\u8bae)&#xff1b;\u4ed6\u4eec\u7f51\u7edc\u901a\u4fe1\u7684\u5e94\u7528\u5c42\u90fd\u662f\u7528\u7684RESP\u534f\u8bae&#xff0c;\u6240\u4ee5\u2026<\/p>\n<p>\u5173\u4e8eRESP\u534f\u8bae\u7684\u4ecb\u7ecd:<\/p>\n<p>\u5b83\u7684\u4f18\u70b9\u662f:1.\u7b80\u5355\u597d\u5b9e\u73b0 2.\u5feb\u901f\u8fdb\u884c\u89e3\u6790 3.RESP\u534f\u8bae\u7684\u5185\u5bb9\u662f\u8089\u773c\u53ef\u8bfb\u7684<\/p>\n<p>\u867d\u7136RESP\u534f\u8bae\u662f\u9700\u8981TCP\u4f20\u8f93\u7684&#xff0c;\u4f46\u662f\u8ddfTCP\u4e0d\u662f\u5f3a\u8026\u5408(RESP\u534f\u8bae\u672c\u8eab\u4e0d\u4f9d\u8d56TCP\u7684\u4efb\u4f55\u7279\u6027)<\/p>\n<p>RESP\u534f\u8bae\u662f\u57fa\u4e8eTCP\u7684\u5e94\u7528\u5c42\u534f\u8bae<\/p>\n<p>\u6ce8\u610f:redis-plus-plus\u8981C&#043;&#043;11\u53ca\u4ee5\u4e0a\u624d\u80fd\u4f7f\u7528!!!<\/p>\n<h3>\u5b89\u88c5redis-plus-plus<\/h3>\n<p>\u8fd9\u91cc\u53ea\u4ecb\u7ecd\u5982\u4f55\u5728ubantu\u4e0b\u4e0b\u8f7d<\/p>\n<p>\u9700\u8981\u5148\u5b89\u88c5hiredis:apt install libhiredis-dev<\/p>\n<p>\u518d\u4e0b\u8f7dredis-plus-plus\u7684\u6e90\u7801:https:\/\/github.com\/sewenew\/redis-plus-plus<\/p>\n<p>\u7136\u540e\u4f7f\u7528cmake\u53bb\u6784\u5efa:cd redis-plus-plus mkdir build cd build cmake .. make make install<\/p>\n<h3>Redis\u76f8\u5173\u7684C&#043;&#043;\u63a5\u53e3<\/h3>\n<p>\u5b98\u65b9API\u7684\u53c2\u8003\u624b\u518c:redis-plus-plus\/src\/sw\/redis&#043;&#043;\/redis.h at master \u00b7 sewenew\/redis-plus-plus \u00b7 GitHub<\/p>\n<p>redis-plus-plus\u8fd9\u4e2a\u5e93\u7684\u63a5\u53e3\u98ce\u683c\u8fd8\u662f\u5f88\u7edf\u4e00\u7684:<\/p>\n<p>\u4e00\u4e2a\u51fd\u6570\u53c2\u6570\u9700\u8981\u4f20\u9012\u591a\u4e2a\u503c\u65f6&#xff0c;\u5f80\u5f80\u90fd\u662f\u652f\u6301\u521d\u59cb\u5316\u5217\u8868\u6216\u8005\u4e00\u5bf9\u8fed\u4ee3\u5668\u7684\u65b9\u5f0f\u6765\u5b9e\u73b0<\/p>\n<p>\u4e00\u4e2a\u51fd\u6570\u8fd4\u56de\u503c\u9700\u8981\u8868\u793a\u591a\u4e2a\u6570\u636e\u7684\u65f6\u5019&#xff0c;\u4e5f\u5f80\u5f80\u4f1a\u501f\u52a9\u63d2\u5165\u8fed\u4ee3\u5668\u6765\u5b9e\u73b0\u5f80\u4e00\u4e2a\u5bb9\u5668\u4e2d\u6dfb\u52a0\u5143\u7d20\u7684\u6548\u679c<\/p>\n<p>\u5f53\u67d0\u4e2a\u573a\u666f\u6d89\u53ca\u5230\u65e0\u6548\u503c\u65f6&#xff0c;\u5f80\u5f80\u4f1a\u642d\u914dstd::optional\u6765\u8fdb\u884c\u4f7f\u7528<\/p>\n<p>\u5982\u679c\u653e\u5728\u7cfb\u7edf\u76ee\u5f55\u4e0b\u7684\u8bdd&#xff0c;\u9700\u8981\u5305\u542b\u7684\u5934\u6587\u4ef6\u662f#include &lt;sw\/redis&#043;&#043;\/redis&#043;&#043;.h&gt;<\/p>\n<p>\u7528makefile\u7f16\u8bd1\u7a0b\u5e8f\u65f6\u8bb0\u5f97\u5f15\u5165\u5e93\u6587\u4ef6:redis&#043;&#043;\u7684\u9759\u6001\u5e93 hiredis\u7684\u9759\u6001\u5e93 \u7ebf\u7a0b\u5e93<\/p>\n<p>\u5728ubantu\u4e0b:redis&#043;&#043;\u7684\u9759\u6001\u5e93\u6587\u4ef6\u4f4d\u7f6e:\/usr\/local\/lib\/libredis&#043;&#043;.a<\/p>\n<p>                 hiredis\u7684\u9759\u6001\u5e93\u6587\u4ef6\u4f4d\u7f6e:&#096;\/usr\/lib\/x86\\\\_64-linux-gnu\/libhiredis.a&#096;<\/p>\n<p>\u68c0\u6d4b\u81ea\u5df1\u7684C&#043;&#043;\u7a0b\u5e8f\u80fd\u4e0d\u80fd\u6210\u529f\u8fde\u63a5\u4e0a\u672c\u5730\u7684Redis\u670d\u52a1\u5668&#xff1a;<\/p>\n<p> sw<span class=\"token double-colon punctuation\">::<\/span>redis<span class=\"token double-colon punctuation\">::<\/span>Redis <span class=\"token function\">redis<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;tcp:\/\/127.0.0.1:6379&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u521b\u5efa\u4e00\u4e2aredis\u5bf9\u8c61<\/span><br \/>\n<span class=\"token operator\">&#8212;<\/span><span class=\"token operator\">&#8211;<\/span>\u4e0b\u9762\u7684\u63a5\u53e3\u90fd\u662f\u62ff\u8fd9\u4e2a\u5bf9\u8c61\u4e3e\u4f8b<span class=\"token operator\">!<\/span><br \/>\nstring result <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">ping<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/ping\u4e00\u4e0b&#xff0c;\u5982\u679c\u8fd4\u56de\u7684\u662fPONG&#xff0c;\u5c31\u8bf4\u660e\u901a\u4fe1\u6ca1\u95ee\u9898<\/span><\/p>\n<p>\u6e05\u7a7a\u6240\u6709\u6570\u636e\u5e93\u7684\u5168\u90e8\u6570\u636e:redis.flushall()\u2013\u8fdb\u884c\u5355\u5143\u6d4b\u8bd5\u7684\u65f6\u5019&#xff0c;\u6e05\u9664\u6570\u636e\u7684\u64cd\u4f5c\u653e\u5728\u5f00\u59cb\u597d\u4e9b&#xff08;\u65e5\u5e38\u60c5\u51b5\u4e0bflushall\u5343\u4e07\u4e0d\u8981\u7528!!!&#xff09;<\/p>\n<p>\u68c0\u67e5\u952e\u662f\u5426\u5b58\u5728:<\/p>\n<p> exists<span class=\"token operator\">:<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> ret <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">exists<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">auto<\/span> ret <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">exists<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;key2&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;key3&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5220\u9664\u952e:<\/p>\n<p> <span class=\"token keyword\">auto<\/span> ret <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">del<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">auto<\/span> ret <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">del<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;key2&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;key3&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>keys:<\/p>\n<p> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">keys<\/span><span class=\"token punctuation\">(<\/span>\u9700\u8981\u67e5\u627e\u5565<span class=\"token punctuation\">,<\/span> \u8f93\u51fa\u8fed\u4ee3\u5668<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>eg<span class=\"token operator\">:<\/span><br \/>\n  vector<span class=\"token operator\">&lt;<\/span>string<span class=\"token operator\">&gt;<\/span> result<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">back_inserter<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">keys<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;*&#034;<\/span><span class=\"token punctuation\">,<\/span> it<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u8fd9\u91cc\u4f7f\u7528\u8fed\u4ee3\u5668\u8fdb\u884c\u63d2\u5165\u7684\u539f\u56e0:\u8fdb\u884c\u89e3\u8026\u5408<\/p>\n<p>expire:\u7ed9key\u8bbe\u7f6e\u8fc7\u671f\u65f6\u95f4<\/p>\n<p> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">expire<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>chrono<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">seconds<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/\u5982\u679c\u7528\u4e86using namespace std::chrono_literals&#xff0c;\u90a3\u8fd9\u76f4\u63a5\u519910s\u5c31\u884c\u4e86!<\/span><\/p>\n<p>ttl&#xff1a;\u83b7\u53d6\u5269\u4f59\u8fc7\u671f\u65f6\u95f4<\/p>\n<p> <span class=\"token keyword\">auto<\/span> time <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">ttl<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>type:\u83b7\u53d6Redis\u952e\u5bf9\u5e94\u7684\u6570\u636e\u7c7b\u578b<\/p>\n<p> string result <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">type<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>\u5f15\u7533:\u6709\u5173\u547d\u540d\u7a7a\u95f4\u7684\u8865\u5145:<\/p>\n<p>using sw::redis::Redis\u662f\u6307\u4ee5\u540e\u7f16\u8bd1\u5668\u89c1\u5230Redis\u5c31\u5904\u7406\u6210sw::redis::Redis<\/p>\n<p>using namespace std::chrono_literals&#xff1a;\u90a3\u4e4b\u540e\u7f16\u8bd1\u5668\u89c1\u5230\u8fd9\u4e2a\u547d\u540d\u7a7a\u95f4\u91cc\u6709\u7684\u4e1c\u897f\u5c31\u4f1a\u81ea\u52a8\u52a0\u4e0a\u8fd9\u4e2a\u524d\u7f00&#xff0c;\u6bd4\u5982:10s\u5c31\u662fstd::chrono::seconds(10)<\/p>\n<p>\u6ce8\u610f:redis-plus-plus\u91cc\u9762\u7684\u65f6\u95f4\u53ea\u8ba4std::chrono::duration\u7c7b\u578b\u7684!<\/p>\n<h3>string\u76f8\u5173\u7684\u63a5\u53e3<\/h3>\n<p>\u4ee5\u4e0b\u63a5\u53e3\u90fd\u4ee5\u4e3e\u4f8b\u7684\u65b9\u5f0f\u8bf4\u660e<\/p>\n<p>set,mset\u548cget,mget\u7684\u7528\u6cd5:<\/p>\n<p> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;111&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token comment\">\/\/\u8fd9\u91cc\u7684&#034;key&#034;\u548c&#034;111&#034;\u5176\u5b9e\u662fRedis\u81ea\u5df1\u5c01\u88c5\u7684\u4e00\u4e2asw::redis::StringView\u7c7b\u578b(C&#043;&#043;17\u7684\u8bdd\u662fstd::string::view\u7684\u522b\u540d)<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> value <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">get<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u8fd4\u56de\u503c\u662fOptionalString\u7c7b\u578b.\u5931\u8d25\u7684\u8bdd\u4f1a\u8fd4\u56de\u8fd9\u4e2a\u7c7b\u578b\u7684\u7a7a\u5bf9\u8c61<\/span><br \/>\n<span class=\"token comment\">\/\/ optional \u53ef\u4ee5\u9690\u5f0f\u8f6c\u6210 bool \u7c7b\u578b, \u53ef\u4ee5\u76f4\u63a5\u5728 if \u4e2d\u5224\u5b9a. \u5982\u679c\u662f\u65e0\u6548\u5143\u7d20, \u5c31\u662f\u8fd4\u56de false<\/span><br \/>\nvalue<span class=\"token punctuation\">.<\/span><span class=\"token function\">value<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span>\u91cc\u9762\u5b58\u7684\u5c31\u662f<span class=\"token string\">&#034;111&#034;<\/span><\/p>\n<p> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;111&#034;<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>chrono<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">seconds<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5728\u8bbe\u7f6e\u8fd9\u7ec4\u503c\u7684\u540c\u65f6\u8bbe\u7f6e10\u79d2\u8fc7\u671f\u65f6\u95f4<\/span><br \/>\n<span class=\"token keyword\">long<\/span> <span class=\"token keyword\">long<\/span> time <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">ttl<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u67e5\u8be2\u8fd8\u6709\u591a\u4e45\u8fc7\u671f<\/span><\/p>\n<p><span class=\"token keyword\">auto<\/span> ret <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">exists<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u68c0\u67e5key\u662f\u5426\u5b58\u5728<\/span><\/p>\n<p> <span class=\"token comment\">\/\/ set \u7684\u91cd\u8f7d\u7248\u672c\u4e2d, \u6ca1\u6709\u5355\u72ec\u63d0\u4f9b NX \u548c XX \u7684\u7248\u672c, \u5fc5\u987b\u642d\u914d\u8fc7\u671f\u65f6\u95f4\u7684\u7248\u672c\u6765\u4f7f\u7528. <\/span><br \/>\nredis<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;222&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span>s<span class=\"token punctuation\">,<\/span> sw<span class=\"token double-colon punctuation\">::<\/span>redis<span class=\"token double-colon punctuation\">::<\/span>UpdateType<span class=\"token double-colon punctuation\">::<\/span>EXIST<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5bf9\u5e94\u7684\u662fXX<\/span><br \/>\nredis<span class=\"token punctuation\">.<\/span><span class=\"token function\">set<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;222&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span>s<span class=\"token punctuation\">,<\/span> sw<span class=\"token double-colon punctuation\">::<\/span>redis<span class=\"token double-colon punctuation\">::<\/span>UpdateType<span class=\"token double-colon punctuation\">::<\/span>NOT_EXIST<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5bf9\u5e94\u7684\u662fNX<\/span><\/p>\n<p> <span class=\"token comment\">\/\/ \u7b2c\u4e00\u79cd\u5199\u6cd5<\/span><br \/>\nredis<span class=\"token punctuation\">.<\/span><span class=\"token function\">mset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key1&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;111&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key2&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;222&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key3&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;333&#034;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u7b2c\u4e8c\u79cd\u5199\u6cd5<\/span><br \/>\nvector<span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>pair<span class=\"token operator\">&lt;<\/span>string<span class=\"token punctuation\">,<\/span> string<span class=\"token operator\">&gt;&gt;<\/span> keys <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;key1&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;111&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;key2&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;222&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span><br \/>\n    <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;key3&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;333&#034;<\/span><span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\nredis<span class=\"token punctuation\">.<\/span><span class=\"token function\">mset<\/span><span class=\"token punctuation\">(<\/span>keys<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> keys<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p> vector<span class=\"token operator\">&lt;<\/span>sw<span class=\"token double-colon punctuation\">::<\/span>redis<span class=\"token double-colon punctuation\">::<\/span>OptionalString<span class=\"token operator\">&gt;<\/span> result<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">back_inserter<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u81ea\u52a8\u8c03\u7528\u5bb9\u5668\u7684 push_back \u65b9\u6cd5\u63d2\u5165\u5143\u7d20<\/span><br \/>\n<span class=\"token comment\">\/\/\u4e0b\u9762\u8fd9\u4e2a\u64cd\u4f5c\u8fd4\u56de\u7ed3\u679c\u7684\u987a\u5e8f\u548c\u4f20\u5165\u7684 key \u987a\u5e8f\u5b8c\u5168\u4e00\u81f4&#xff0c;\u4e0d\u5b58\u5728\u7684 key \u5bf9\u5e94\u4f4d\u7f6e\u4f1a\u662f nullopt<\/span><br \/>\nredis<span class=\"token punctuation\">.<\/span><span class=\"token function\">mget<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;key1&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;key2&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;key3&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;key4&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> it<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>getrange\u548csetrange:<\/p>\n<p> string result <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">getrange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">5<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u8bfb\u53d6 key \u5bf9\u5e94\u5b57\u7b26\u4e32\u4e2d&#xff0c;\u4ece\u7d22\u5f152\u52305\u7684\u5b50\u4e32&#xff1b;<\/span><br \/>\nredis<span class=\"token punctuation\">.<\/span><span class=\"token function\">setrange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">2<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;xyz&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u4ece\u7d22\u5f15 2 \u7684\u4f4d\u7f6e\u5f00\u59cb&#xff0c;\u7528 &#034;xyz&#034; \u8986\u76d6\u539f\u5b57\u7b26\u4e32\u7684\u5185\u5bb9&#xff1b;<\/span><\/p>\n<p>incr\u548cdecr:<\/p>\n<p> <span class=\"token keyword\">long<\/span> <span class=\"token keyword\">long<\/span> result <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">incr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nresult <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">decr<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>Redis\u5728\u5904\u7406\u6570\u5b57\u578bkey\u65f6&#xff0c;\u4f18\u5148\u7528incr\u6216decr\u6765\u8f6e\u6362\u5f97\u5230\u6700\u521d\u6570\u5b57&#xff0c;\u800c\u4e0d\u662fget\u7136\u540e\u624b\u52a8\u8f6c\u6210\u6570\u5b57<\/p>\n<p>\u5173\u4e8eStringView\u548cstring\u7684\u533a\u522b:<\/p>\n<p>StringView:\u76f8\u5f53\u4e8e\u53ea\u662f\u4e00\u4e2a\u53ea\u8bfb\u7684\u5feb\u6377\u65b9\u5f0f&#xff0c;string\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u5b57\u7b26\u4e32\u62f7\u8d1d<\/p>\n<p>\u2013\u4f7f\u7528StringView\u7684\u8bdd&#xff0c;\u6027\u80fd\u4f1a\u66f4\u597d(\u56e0\u4e3a\u51cf\u5c11\u4e86\u4e24\u6b21\u62f7\u8d1d)<\/p>\n<p>\u2013\u800c\u4e14string\u4e0d\u597d\u8868\u793a\u65e0\u6548\u503c&#xff0c;\u5982\u679c\u7528string*\u7684\u8bdd&#xff0c;\u53c8\u4e0d\u597d\u7ba1\u7406\u5185\u5b58<\/p>\n<p>\u6ce8\u610f:\u5982\u679c\u7528OptionalString\u7684\u65f6\u5019&#xff0c;\u6ca1\u6709\u5148\u5224\u65ad\u5b83\u6709\u6ca1\u6709\u503c\u5c31\u5f3a\u884c\u53d6\u503c\u7684\u8bdd\u662f\u4f1a\u5d29\u6e83&#xff01;&#xff01;&#xff01;\u2013\u6240\u4ee5\u5728\u8bbf\u95ee\u5f97\u5230\u7684\u7ed3\u679c\u4e4b\u524d\u90fd\u8981\u5224\u7a7a\u4e00\u4e0b<\/p>\n<p>\u5f15\u7533:STL\u4e2d\u7684\u4e94\u79cd\u8fed\u4ee3\u5668\u7c7b\u578b:1.\u8f93\u5165\u8fed\u4ee3\u5668 2.\u8f93\u51fa\u8fed\u4ee3\u5668 3.\u524d\u5411\u8fed\u4ee3\u5668 4.\u53cc\u5411\u8fed\u4ee3\u5668 5.\u968f\u673a\u8bbf\u95ee\u8fed\u4ee3\u5668<\/p>\n<h3>list\u76f8\u5173\u7684\u63a5\u53e3<\/h3>\n<p>lpush,rpush\u548clrange,lpop\u548crpop,blpop\u548cbrpop:<\/p>\n<p> <span class=\"token comment\">\/\/lpush\u7248\u672c<\/span><br \/>\n<span class=\"token comment\">\/\/ \u63d2\u5165\u5355\u4e2a\u5143\u7d20<\/span><br \/>\nredis<span class=\"token punctuation\">.<\/span><span class=\"token function\">lpush<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;111&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u63d2\u5165\u4e00\u7ec4\u5143\u7d20, \u57fa\u4e8e\u521d\u59cb\u5316\u5217\u8868<\/span><br \/>\nredis<span class=\"token punctuation\">.<\/span><span class=\"token function\">lpush<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;222&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;333&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;444&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u63d2\u5165\u4e00\u7ec4\u5143\u7d20, \u57fa\u4e8e\u8fed\u4ee3\u5668<\/span><br \/>\nvector<span class=\"token operator\">&lt;<\/span>string<span class=\"token operator\">&gt;<\/span> values <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;555&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;666&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;777&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\nredis<span class=\"token punctuation\">.<\/span><span class=\"token function\">lpush<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> values<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> values<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/rpush\u7248\u672c<\/span><br \/>\n <span class=\"token comment\">\/\/ \u63d2\u5165\u5355\u4e2a\u5143\u7d20<\/span><br \/>\n redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">rpush<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;111&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p> <span class=\"token comment\">\/\/ \u63d2\u5165\u591a\u4e2a\u5143\u7d20, \u57fa\u4e8e\u521d\u59cb\u5316\u5217\u8868<\/span><br \/>\n redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">rpush<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;444&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;333&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;222&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p> <span class=\"token comment\">\/\/ \u63d2\u5165\u591a\u4e2a\u5143\u7d20, \u57fa\u4e8e\u5bb9\u5668<\/span><br \/>\n vector<span class=\"token operator\">&lt;<\/span>string<span class=\"token operator\">&gt;<\/span> values <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;777&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;666&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;555&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">rpush<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> values<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> values<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ lrange \u83b7\u53d6\u5230\u5217\u8868\u4e2d\u7684\u5143\u7d20<\/span><br \/>\nvector<span class=\"token operator\">&lt;<\/span>string<span class=\"token operator\">&gt;<\/span> results<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">back_inserter<\/span><span class=\"token punctuation\">(<\/span>results<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nredis<span class=\"token punctuation\">.<\/span><span class=\"token function\">lrange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> it<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/lpop\u548crpop\u7684\u7528\u6cd5<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> result <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">lpop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> result <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">rpop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/blpop\u548cbrpop\u7684\u7528\u6cd5:<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> result <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">blpop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;key2&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;key3&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>chrono<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">seconds<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> result <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">brpop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;key2&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;key3&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span>chrono<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">seconds<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>result<span class=\"token operator\">-&gt;<\/span>first\u91cc\u9762\u662fkey    result<span class=\"token operator\">-&gt;<\/span>second\u91cc\u9762\u662fvalue<\/p>\n<p>\u6ce8\u610f:blpop\u548cbrpop\u7684\u8fd4\u56de\u503c\u7c7b\u578b\u662foptionalstringpair(pair\u91cc\u9762\u90a3\u4e24\u4e2a\u5143\u7d20\u90fd\u662fstring\u7c7b\u578b\u7684&#xff0c;\u4e00\u4e2a\u662fkey(\u5143\u7d20\u6765\u81ea\u54ea\u4e2a\u5217\u8868)&#xff0c;\u4e00\u4e2a\u662fvalue)<\/p>\n<p>llen\u7684\u7528\u6cd5:<\/p>\n<p> <span class=\"token keyword\">long<\/span> <span class=\"token keyword\">long<\/span> len <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">llen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h3>set\u76f8\u5173\u7684\u63a5\u53e3<\/h3>\n<p>sadd&#xff1a;<\/p>\n<p> <span class=\"token comment\">\/\/ \u4e00\u6b21\u6dfb\u52a0\u4e00\u4e2a\u5143\u7d20<\/span><br \/>\nredis<span class=\"token punctuation\">.<\/span><span class=\"token function\">sadd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;111&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4e00\u6b21\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20(\u4f7f\u7528\u521d\u59cb\u5316\u5217\u8868)<\/span><br \/>\nredis<span class=\"token punctuation\">.<\/span><span class=\"token function\">sadd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;222&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;333&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;444&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u4e00\u6b21\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20(\u4f7f\u7528\u8fed\u4ee3\u5668)<\/span><br \/>\nset<span class=\"token operator\">&lt;<\/span>string<span class=\"token operator\">&gt;<\/span> elems <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;555&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;666&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;777&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\nredis<span class=\"token punctuation\">.<\/span><span class=\"token function\">sadd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> elems<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> elems<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>smembers:<\/p>\n<p> vector<span class=\"token operator\">&lt;<\/span>string<span class=\"token operator\">&gt;<\/span> result<span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u7528set&lt;string&gt;\u4f1a\u66f4\u5408\u9002<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">inserter<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">,<\/span> result<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u8fd9\u91cc\u4ece\u54ea\u5f00\u59cb\u63d2\u5165\u90fd\u6ca1\u4e8b&#xff0c;\u56e0\u4e3aset\u7684\u987a\u5e8f\u672c\u6765\u5c31\u6ca1\u5565\u610f\u4e49<\/span><br \/>\nredis<span class=\"token punctuation\">.<\/span><span class=\"token function\">smembers<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> it<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>sismember:<\/p>\n<p>   <span class=\"token keyword\">bool<\/span> result <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">sismember<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;555&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>scard:<\/p>\n<p> <span class=\"token keyword\">long<\/span> <span class=\"token keyword\">long<\/span> result <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">scard<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>spop:<\/p>\n<p> <span class=\"token keyword\">auto<\/span> result <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">spop<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u8fd4\u56de\u503c\u7c7b\u578b\u662fOptionalString<\/span><\/p>\n<p>sinter:<\/p>\n<p> set<span class=\"token operator\">&lt;<\/span>string<span class=\"token operator\">&gt;<\/span> result<span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">inserter<\/span><span class=\"token punctuation\">(<\/span>result<span class=\"token punctuation\">,<\/span> result<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\nredis<span class=\"token punctuation\">.<\/span><span class=\"token function\">sinter<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;key1&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;key2&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> it<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>sinterstore:<\/p>\n<p> <span class=\"token keyword\">long<\/span> <span class=\"token keyword\">long<\/span> len <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">sinterstore<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key3&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;key1&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;key2&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>set\u4e0d\u80fd\u76f4\u63a5\u7528back_inserter\u7684\u539f\u56e0:std::set\u6ca1\u6709push_back\u65b9\u6cd5<\/p>\n<h3>hash\u76f8\u5173\u7684\u63a5\u53e3<\/h3>\n<p>hset:<\/p>\n<p>  redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">hset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;f1&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;111&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">hset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;f2&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;222&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">hset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;f3&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;333&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;f4&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;444&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p> vector<span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>pair<span class=\"token operator\">&lt;<\/span>string<span class=\"token punctuation\">,<\/span> string<span class=\"token operator\">&gt;&gt;<\/span> fields <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;f5&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;555&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;f6&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;666&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">hset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> fields<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> fields<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>hget:<\/p>\n<p> <span class=\"token keyword\">auto<\/span> result <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">hget<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;f3&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u8fd4\u56de\u503c\u662fOptionalString<\/span><\/p>\n<p>hexists:<\/p>\n<p> <span class=\"token keyword\">bool<\/span> result <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">hexists<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;f4&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>hdel:<\/p>\n<p> <span class=\"token keyword\">long<\/span> <span class=\"token keyword\">long<\/span> result <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">hdel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;f1&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u5220\u9664\u5355\u4e2a\u5b57\u6bb5<\/span><br \/>\n<span class=\"token keyword\">long<\/span> <span class=\"token keyword\">long<\/span> result <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">hdel<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;f2&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;f3&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token comment\">\/\/\u6279\u91cf\u5220\u9664\u5b57\u6bb5<\/span><\/p>\n<p>hlen:<\/p>\n<p> <span class=\"token keyword\">long<\/span> <span class=\"token keyword\">long<\/span> len <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">hlen<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>hkeys:<\/p>\n<p>   vector<span class=\"token operator\">&lt;<\/span>string<span class=\"token operator\">&gt;<\/span> fields<span class=\"token punctuation\">;<\/span><br \/>\n  <span class=\"token keyword\">auto<\/span> itFields <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">back_inserter<\/span><span class=\"token punctuation\">(<\/span>fields<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n  redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">hkeys<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> itFields<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>hvals:<\/p>\n<p>  vector<span class=\"token operator\">&lt;<\/span>string<span class=\"token operator\">&gt;<\/span> values<span class=\"token punctuation\">;<\/span><br \/>\n <span class=\"token keyword\">auto<\/span> itValues <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">back_inserter<\/span><span class=\"token punctuation\">(<\/span>values<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">hvals<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> itValues<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>hmset:<\/p>\n<p>  redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">hmset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n     std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;f1&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;111&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n     std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;f2&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;222&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n     std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;f3&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;333&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p> vector<span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>pair<span class=\"token operator\">&lt;<\/span>string<span class=\"token punctuation\">,<\/span> string<span class=\"token operator\">&gt;&gt;<\/span> pairs <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n     std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;f4&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;444&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n     std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;f5&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;555&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n     std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;f6&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;666&#034;<\/span><span class=\"token punctuation\">)<\/span><br \/>\n <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">hmset<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> pairs<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> pairs<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>hmget:<\/p>\n<p>  vector<span class=\"token operator\">&lt;<\/span>string<span class=\"token operator\">&gt;<\/span> values<span class=\"token punctuation\">;<\/span><br \/>\n <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">back_inserter<\/span><span class=\"token punctuation\">(<\/span>values<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">hmget<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;f1&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;f2&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;f3&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">,<\/span> it<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<h3>zset\u76f8\u5173\u7684\u63a5\u53e3<\/h3>\n<p>zadd:<\/p>\n<p> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">zadd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;\u5415\u5e03&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">99<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">zadd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u8d75\u4e91&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">98<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5178\u97e6&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">97<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>vector<span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>pair<span class=\"token operator\">&lt;<\/span>string<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">double<\/span><span class=\"token operator\">&gt;&gt;<\/span> members <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5173\u7fbd&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">95<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span>std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">make_pair<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;\u5f20\u98de&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">93<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\nredis<span class=\"token punctuation\">.<\/span><span class=\"token function\">zadd<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> members<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> members<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>zrange:<\/p>\n<p> <span class=\"token comment\">\/\/ \u6307\u5411\u7684\u5bb9\u5668\u53ea\u662f\u5305\u542b\u4e00\u4e2a string, \u5c31\u662f\u53ea\u67e5\u8be2 member<\/span><br \/>\nvector<span class=\"token operator\">&lt;<\/span>string<span class=\"token operator\">&gt;<\/span> memberResults<span class=\"token punctuation\">;<\/span><br \/>\n <span class=\"token keyword\">auto<\/span> it <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">back_inserter<\/span><span class=\"token punctuation\">(<\/span>memberResults<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">zrange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> it<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n <span class=\"token function\">printContainer<\/span><span class=\"token punctuation\">(<\/span>memberResults<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u6307\u5411\u7684\u5bb9\u5668\u5305\u542b\u7684\u662f\u4e00\u4e2a pair, \u91cc\u9762\u6709 string \u548c double, \u5c31\u662f\u67e5\u8be2 member \u540c\u65f6\u5e26\u6709 score<\/span><br \/>\n vector<span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>pair<span class=\"token operator\">&lt;<\/span>string<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">double<\/span><span class=\"token operator\">&gt;&gt;<\/span> membersWithScore<span class=\"token punctuation\">;<\/span><br \/>\n <span class=\"token keyword\">auto<\/span> it2 <span class=\"token operator\">&#061;<\/span> std<span class=\"token double-colon punctuation\">::<\/span><span class=\"token function\">back_inserter<\/span><span class=\"token punctuation\">(<\/span>membersWithScore<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><br \/>\n redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">zrange<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token number\">0<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token operator\">&#8211;<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">,<\/span> it2<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>zcard:<\/p>\n<p> <span class=\"token keyword\">long<\/span> <span class=\"token keyword\">long<\/span> result <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">zcard<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>zrem:<\/p>\n<p> <span class=\"token keyword\">long<\/span> <span class=\"token keyword\">long<\/span> del_count <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">zrem<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;zhangsan&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p><span class=\"token keyword\">long<\/span> <span class=\"token keyword\">long<\/span> del_count <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">zrem<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;zhangsan&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;lisi&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;wangwu&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>std<span class=\"token double-colon punctuation\">::<\/span>vector<span class=\"token operator\">&lt;<\/span>std<span class=\"token double-colon punctuation\">::<\/span>string<span class=\"token operator\">&gt;<\/span> members <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">{<\/span><span class=\"token string\">&#034;zhangsan&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;lisi&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;wangwu&#034;<\/span><span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">;<\/span><br \/>\n<span class=\"token keyword\">long<\/span> <span class=\"token keyword\">long<\/span> del_count <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">zrem<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> members<span class=\"token punctuation\">.<\/span><span class=\"token function\">begin<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> members<span class=\"token punctuation\">.<\/span><span class=\"token function\">end<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>zscore:<\/p>\n<p> <span class=\"token keyword\">auto<\/span> score <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">zscore<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;zhangsan&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><\/p>\n<p>zrank:<\/p>\n<p> <span class=\"token keyword\">auto<\/span> rank <span class=\"token operator\">&#061;<\/span> redis<span class=\"token punctuation\">.<\/span><span class=\"token function\">zrank<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string\">&#034;key&#034;<\/span><span class=\"token punctuation\">,<\/span> <span class=\"token string\">&#034;zhaoliu&#034;<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">;<\/span><span class=\"token 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