{"id":33834,"date":"2023-03-08T02:47:24","date_gmt":"2023-10-04T09:33:22","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8redis%e6%9d%a5%e7%ae%a1%e7%90%86%e4%bb%bb%e5%8a%a1%e5%88%97%e8%a1%a8\/"},"modified":"2024-04-29T17:51:48","modified_gmt":"2024-04-29T09:51:48","slug":"%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8redis%e6%9d%a5%e7%ae%a1%e7%90%86%e4%bb%bb%e5%8a%a1%e5%88%97%e8%a1%a8","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%b0%9d%e8%af%95%e4%bd%bf%e7%94%a8redis%e6%9d%a5%e7%ae%a1%e7%90%86%e4%bb%bb%e5%8a%a1%e5%88%97%e8%a1%a8\/","title":{"rendered":"\u5c1d\u8bd5\u4f7f\u7528redis\u6765\u7ba1\u7406\u4efb\u52a1\u5217\u8868"},"content":{"rendered":"<blockquote><p>\u5982\u679c\u53ea\u9700\u8981\u672c\u9898\u7684\u7b54\u6848\uff0c\u8bf7\u8df3\u8fc7\u8fd9\u4e00\u5757\u5185\u5bb9\u3002<\/p><\/blockquote>\n<p>\u6211\u51e0\u4e4e\u6bcf\u5929\u90fd\u4ece\u67d0\u4e2a\u7f51\u7ad9\u4e0a\u722c\u53d6\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u5165\u6570\u636e\u5e93\u4e2d\u3002\u6709\u65f6\u4e00\u5929\u8981\u83b7\u53d6\u8d85\u8fc7300\u9875\u7684\u6570\u636e\u3002<\/p>\n<p>\u4f5c\u4e3a\u7f51\u7edc\u722c\u866b\u7684\u4e00\u79cd\u65b9\u5f0f\uff0c\u6211\u4f1a\u610f\u8bc6\u5230\u201c\u4e0d\u8981\u968f\u610f\u8bbf\u95ee\u201d\uff0c\u56e0\u6b64\u6211\u51b3\u5b9a\u5c06\u8bf7\u6c42\u7684\u65f6\u95f4\u95f4\u9694\u8bbe\u5b9a\u4e3a\u5927\u7ea62\u79d2\u3002<\/p>\n<p>\u6362\u53e5\u8bdd\u8bf4\uff0c\u5982\u679c\u4ece300\u9875\u5f00\u59cb\u63d0\u53d6\uff0c\u81f3\u5c11\u9700\u8981300\u00d72=600\u79d2=10\u5206\u949f\u7684\u65f6\u95f4\u3002<\/p>\n<p>\u9996\u5148\uff0c\u521b\u5efa\u4e00\u4e2a\u5305\u542b300\u4e2aURL\u7684\u4efb\u52a1\u5217\u8868\uff0c\u5e76\u6309\u987a\u5e8f\u8fdb\u884c\u8bbf\u95ee\u3002<\/p>\n<p>\u5982\u679c\u5728\u9014\u4e2d\u901a\u4fe1\u4e2d\u65ad\u6216URL\u8f93\u5165\u9519\u8bef\uff0c\u5c06\u4f1a\u4ea7\u751f\u9519\u8bef\u5e76\u9700\u8981\u91cd\u65b0\u5c1d\u8bd5\u3002<\/p>\n<p>\u5728\u8fdb\u884c\u518d\u6b21\u5904\u7406\u65f6\uff0c\u53ea\u9700\u5904\u7406\u672a\u83b7\u53d6\u7684URL\uff0c\u5e76\u7701\u7565\u4efb\u52a1\u6e05\u5355\u4e2d\u5df2\u6210\u529f\u7684\u9879\u3002<\/p>\n<p>\u7531\u4e8e\u6570\u636e\u5e93\u7684\u8bbe\u8ba1\u66f4\u6539\uff0c\u4ee5\u524d\u6709\u4e00\u4e2a\u540d\u4e3aLastUpdate\u7684\u5b57\u6bb5\uff0c\u6211\u4eec\u4ee5\u6b64\u4f5c\u4e3a\u53c2\u8003\u8fdb\u884c\u91cd\u65b0\u83b7\u53d6\uff0c\u4f46\u73b0\u5728\u65e0\u6cd5\u518d\u4f7f\u7528\u76f8\u540c\u7684\u65b9\u6cd5\u3002<\/p>\n<p>\u6211\u601d\u8003\u4e86\u4e00\u79cd\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\u65b9\u6cd5\uff0c\u5373\u4efb\u52a1\u6e05\u5355\u7684\u7ba1\u7406\u65b9\u5f0f\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u5225\u306b\u30bf\u30b9\u30af\u30ea\u30b9\u30c8\u5c02\u7528\u306etable\u3092\u4f5c\u3063\u3066DB\u3067\u7ba1\u7406\u3059\u308b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30bf\u30b9\u30af\u30ea\u30b9\u30c8\u5c02\u7528\u306e\u30d5\u30a1\u30a4\u30eb\u3092\u4f7f\u3063\u3066\u8aad\u307f\u66f8\u304d\u3059\u308b<\/ul>\n<p>\u8fd9\u6837\u7684\u5730\u65b9\u53ef\u4ee5\u5417\uff1f<\/p>\n<p>\u7136\u800c\uff0c\u4efb\u52a1\u6e05\u5355\u662f\u4e00\u6b21\u6027\u4f7f\u7528\u7684\u3002\u65e0\u8bba\u662f\u5728\u6570\u636e\u5e93\u8fd8\u662f\u6587\u4ef6\u4e2d\u4e22\u5f03\u5b83\u90fd\u5f88\u9ebb\u70e6\u3002\u800c\u4e14\uff0c\u6211\u4e0d\u6562\u5c06\u5df2\u4fdd\u5b58\u5728\u6570\u636e\u5e93\u4e2d\u7684\u5185\u5bb9\u5220\u9664\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u6211\u542c\u8bf4\u8fc7\u8fd9\u4e2a\u540d\u5b57\u4f46\u4ece\u672a\u4f7f\u7528\u8fc7\u7684Redis\uff0c\u51b3\u5b9a\u5c1d\u8bd5\u4e00\u4e0b\u3002<\/p>\n<h2>\u60f3\u505a\u7684\u4e8b\u60c5<\/h2>\n<p>fetchWithUrl()\u3068\u3044\u3046\u95a2\u6570\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002\u5f15\u6570\u306bURL\u3092\u6e21\u3059\u3068\u30b9\u30af\u30ec\u30a4\u30d4\u30f3\u30b0\u3057\u3066DB\u4fdd\u5b58\u3059\u308b\u95a2\u6570\u3067\u3059<\/p>\n<p>urlList\u3068\u3044\u3046\u30bf\u30b9\u30af\u30ea\u30b9\u30c8\u304c\u3042\u308b\u3068\u3057\u307e\u3059\u3002\u8907\u6570\u306eURL\u304c\u5165\u3063\u3066\u3044\u308b\u914d\u5217\u3067\u3059\u3002<\/p>\n<p>urlList\u3092loop\u3057\u3066 fetchWithUrl()\u306b\u6e21\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n<p>fetchWithUrl()\u304c\u6210\u529f\u3057\u305f\u3089 urlList\u304b\u3089url\u3092\u524a\u9664\u3057\u307e\u3059\u3002<br \/>\n\u3053\u306e\u4e00\u9023\u306e\u30d7\u30ed\u30bb\u30b9\u304c\u7570\u5e38\u7d42\u4e86\u3057\u305f\u6642\u306e\u70ba\u306b urlList\u3092\u534a\u6c38\u7d9a\u5316\u3055\u305b\u305f\u3044<\/p>\n<p>\u4e3a\u4e86\u5b9e\u73b0\u6301\u4e45\u6027\uff0c\u6211\u4eec\u5c06\u4f7f\u7528Redis\u3002<\/p>\n<h2>\u5b89\u88c5\u7a0b\u5e8f<\/h2>\n<p>\u5982\u679c\u4f60\u5728Mac\u4e0a\u5b89\u88c5\u4e86Homebrew\uff0c\u4f60\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e2a\u547d\u4ee4\u6765\u8fdb\u884c\u5b89\u88c5\u3002<\/p>\n<pre class=\"post-pre\"><code>brew <span class=\"nb\">install <\/span>redis\r\n<\/code><\/pre>\n<blockquote><p>\u5728macOS\uff08Sierra\uff09\u4e0a\uff0c\u75285\u5206\u949f\u521b\u5efaRedis\u73af\u5883\u7684\u6b65\u9aa4 | \u8bed\u6cd5\u9519\u8bef\u3002<\/p><\/blockquote>\n<p>\u6211\u6b63\u5728\u4f7f\u7528Node.js\uff0c\u4f46\u6a21\u5757\u7684\u5b89\u88c5\u53ea\u9700\u8981\u4e00\u884c\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code>npm <span class=\"nb\">install <\/span>redis\r\n<\/code><\/pre>\n<blockquote><p>Redis (\u7ea2\u8f6f)<\/p><\/blockquote>\n<h2>Redis\u7684\u6570\u636e\u7ed3\u6784<\/h2>\n<p>Redis\u662f\u4e00\u79cd\u952e\u503c\u5b58\u50a8\uff08Key-Value Store\uff09\u7684\u6570\u636e\u5e93\uff0c\u610f\u5473\u7740\u53ef\u4ee5\u901a\u8fc7key: value\u7684\u5f62\u5f0f\u6765\u8bbe\u7f6e\u503c\u3002<\/p>\n<p>value\u90e8\u5206\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u7c7b\u578b\u3002<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u6587\u5b57\u5217\u578b<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30ea\u30b9\u30c8\u578b(\u6587\u5b57\u5217\u306e\u914d\u5217)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30bb\u30c3\u30c8\u578b(\u91cd\u8907\u306a\u3057\u306e\u914d\u5217)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\n<li style=\"list-style-type: none;\">\n<ul class=\"post-ul\">\u30bd\u30fc\u30c8\u6e08\u307f\u30bb\u30c3\u30c8\u578b(\u9806\u756a\u3042\u308a\u306e\u30bb\u30c3\u30c8\u578b)<\/ul>\n<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<ul class=\"post-ul\">\u30cf\u30c3\u30b7\u30e5\u578b(\u9023\u60f3\u914d\u5217)<\/ul>\n<h2>\u786e\u8ba4\u52a8\u4f5c<\/h2>\n<p>\u8fd9\u6b21\u6211\u6253\u7b97\u5c1d\u8bd5\u4f7f\u7528\u96c6\u5408\u7c7b\u578b\u4f5c\u4e3a\u4efb\u52a1\u5217\u8868\u3002\u6b65\u9aa4\u5982\u4e0b\u6240\u793a\u3002<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u5c06URL\u5217\u8868\u6dfb\u52a0\u5230\u96c6\u5408\u4e2d<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\n<li style=\"list-style-type: none;\">\n<ol>\u83b7\u53d6\u96c6\u5408\u7684\u526f\u672c\u5e76\u8fdb\u884c\u5faa\u73af<\/ol>\n<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<ol>\u5982\u679c\u5904\u7406\u6210\u529f\uff0c\u5219\u4ece\u96c6\u5408\u4e2d\u5220\u9664\u9879<\/ol>\n<p>\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684\u6e2c\u8a66\uff08\u4f7f\u7528Node.js\u548cCoffeeScript\uff09\u3002<\/p>\n<p>\u4e3a\u4e86\u8fdb\u884c\u5f02\u6b65\u5904\u7406\uff0c\u4f7f\u7528\u4e86async\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">async_<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span> <span class=\"s\">'async'<\/span>\r\n\r\n<span class=\"nx\">describe<\/span> <span class=\"s\">\"redis\"<\/span><span class=\"p\">,<\/span> <span class=\"o\">-&gt;<\/span>\r\n  <span class=\"nx\">it<\/span> <span class=\"s\">\"test\"<\/span><span class=\"p\">,(<\/span><span class=\"nx\">done<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span>\r\n    <span class=\"nx\">key<\/span> <span class=\"o\">=<\/span> <span class=\"s\">'testSet'<\/span>\r\n    <span class=\"nx\">redis<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"s\">'redis'<\/span><span class=\"p\">).<\/span><span class=\"na\">createClient<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"nx\">redis<\/span><span class=\"p\">.<\/span><span class=\"na\">sadd<\/span> <span class=\"nx\">key<\/span><span class=\"p\">,[<\/span><span class=\"s\">'a'<\/span><span class=\"p\">,<\/span><span class=\"s\">'b'<\/span><span class=\"p\">,<\/span><span class=\"s\">'c'<\/span><span class=\"p\">],(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span>\r\n      <span class=\"k\">throw<\/span> <span class=\"nx\">err<\/span> <span class=\"k\">if<\/span> <span class=\"nx\">err<\/span>\r\n      <span class=\"nx\">redis<\/span><span class=\"p\">.<\/span><span class=\"na\">sinter<\/span> <span class=\"nx\">key<\/span><span class=\"p\">,(<\/span><span class=\"nx\">err<\/span><span class=\"p\">,<\/span><span class=\"nx\">arr<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span>\r\n        <span class=\"k\">throw<\/span> <span class=\"nx\">err<\/span> <span class=\"k\">if<\/span> <span class=\"nx\">err<\/span>\r\n        <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"na\">log<\/span> <span class=\"nx\">arr<\/span>\r\n        <span class=\"nx\">async_<\/span><span class=\"p\">.<\/span><span class=\"na\">eachSeries<\/span> <span class=\"nx\">arr<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">item<\/span><span class=\"p\">,<\/span> <span class=\"nx\">next<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span>\r\n          <span class=\"nx\">redis<\/span><span class=\"p\">.<\/span><span class=\"na\">srem<\/span> <span class=\"nx\">key<\/span><span class=\"p\">,<\/span><span class=\"nx\">item<\/span><span class=\"p\">,(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span>\r\n            <span class=\"nx\">redis<\/span><span class=\"p\">.<\/span><span class=\"na\">sinter<\/span> <span class=\"nx\">key<\/span><span class=\"p\">,(<\/span><span class=\"nx\">err<\/span><span class=\"p\">,<\/span><span class=\"nx\">newArr<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span>\r\n              <span class=\"k\">throw<\/span> <span class=\"nx\">err<\/span> <span class=\"k\">if<\/span> <span class=\"nx\">err<\/span>\r\n              <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"na\">log<\/span> <span class=\"nx\">newArr<\/span>\r\n              <span class=\"nx\">next<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span>\r\n          <span class=\"nx\">done<\/span><span class=\"p\">()<\/span>\r\n\r\n<span class=\"c1\"># [ 'a', 'b', 'c' ]<\/span>\r\n<span class=\"c1\"># [ 'b', 'c' ]<\/span>\r\n<span class=\"c1\"># [ 'c' ]<\/span>\r\n<span class=\"c1\"># []<\/span>\r\n<\/code><\/pre>\n<p>\u7531\u4e8e\u5d4c\u5957\u592a\u4e25\u91cd\uff0c\u6211\u5c06\u5c1d\u8bd5\u7528async.waterfall\u91cd\u65b0\u7ed8\u5236\u3002<\/p>\n<pre class=\"post-pre\"><code> <span class=\"nx\">async_<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span> <span class=\"s\">'async'<\/span>\r\n\r\n <span class=\"nx\">describe<\/span> <span class=\"s\">\"redis\"<\/span><span class=\"p\">,<\/span> <span class=\"o\">-&gt;<\/span>\r\n  <span class=\"nx\">it<\/span> <span class=\"s\">\"test\"<\/span><span class=\"p\">,(<\/span><span class=\"nx\">done<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span>\r\n    <span class=\"nx\">key<\/span> <span class=\"o\">=<\/span> <span class=\"s\">'testSet'<\/span>\r\n    <span class=\"nx\">redis<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"s\">'redis'<\/span><span class=\"p\">).<\/span><span class=\"na\">createClient<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"nx\">async_<\/span><span class=\"p\">.<\/span><span class=\"na\">waterfall<\/span> <span class=\"p\">[<\/span>\r\n      <span class=\"p\">(<\/span><span class=\"nx\">next<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span> <span class=\"nx\">redis<\/span><span class=\"p\">.<\/span><span class=\"na\">sadd<\/span> <span class=\"nx\">key<\/span><span class=\"p\">,[<\/span><span class=\"s\">'a'<\/span><span class=\"p\">,<\/span><span class=\"s\">'b'<\/span><span class=\"p\">,<\/span><span class=\"s\">'c'<\/span><span class=\"p\">],(<\/span><span class=\"nx\">err<\/span><span class=\"p\">,<\/span><span class=\"nx\">res<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span>\r\n        <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"na\">isNull<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nx\">next<\/span><span class=\"p\">()<\/span>\r\n      <span class=\"p\">(<\/span><span class=\"nx\">next<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span> <span class=\"nx\">redis<\/span><span class=\"p\">.<\/span><span class=\"na\">sinter<\/span> <span class=\"nx\">key<\/span><span class=\"p\">,(<\/span><span class=\"nx\">err<\/span><span class=\"p\">,<\/span><span class=\"nx\">arr<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span>\r\n        <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"na\">isNull<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"na\">log<\/span> <span class=\"nx\">arr<\/span>\r\n        <span class=\"nx\">next<\/span><span class=\"p\">(<\/span><span class=\"no\">null<\/span><span class=\"p\">,<\/span><span class=\"nx\">arr<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"p\">(<\/span><span class=\"nx\">arr<\/span><span class=\"p\">,<\/span><span class=\"nx\">next<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span> <span class=\"nx\">async_<\/span><span class=\"p\">.<\/span><span class=\"na\">eachSeries<\/span> <span class=\"nx\">arr<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">item<\/span><span class=\"p\">,<\/span> <span class=\"nx\">next_<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span>\r\n        <span class=\"nx\">redis<\/span><span class=\"p\">.<\/span><span class=\"na\">srem<\/span> <span class=\"nx\">key<\/span><span class=\"p\">,<\/span><span class=\"nx\">item<\/span><span class=\"p\">,(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span>\r\n          <span class=\"nx\">redis<\/span><span class=\"p\">.<\/span><span class=\"na\">sinter<\/span> <span class=\"nx\">key<\/span><span class=\"p\">,(<\/span><span class=\"nx\">err<\/span><span class=\"p\">,<\/span><span class=\"nx\">newArr<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span>\r\n            <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"na\">isNull<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"na\">log<\/span> <span class=\"nx\">newArr<\/span>\r\n            <span class=\"nx\">next_<\/span><span class=\"p\">()<\/span>\r\n      <span class=\"p\">,(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span><span class=\"nx\">next<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">],(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span><span class=\"nx\">done<\/span><span class=\"p\">()<\/span>\r\n\r\n<span class=\"c1\"># [ 'a', 'b', 'c' ]<\/span>\r\n<span class=\"c1\"># [ 'b', 'c' ]<\/span>\r\n<span class=\"c1\"># [ 'c' ]<\/span>\r\n<span class=\"c1\"># []<\/span>\r\n<\/code><\/pre>\n<p>\u5728\u4e0a\u8ff0\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528\u4e86\u4ee5\u4e0b\u7684Redis\u65b9\u6cd5\u3002<\/p>\n<h3>\u6dfb\u52a0\uff08key\uff0c member\uff0ccallback\uff09<\/h3>\n<p>\u7ed9key\u6dfb\u52a0\u4e00\u4e2a\u6210\u5458\uff08\u7c7b\u578b\u4e3aset\uff09<\/p>\n<h3>\u70e7\u7ed3\uff08\u94a5\u5319\uff0c\u56de\u8c03\u51fd\u6570\uff09<\/h3>\n<p>\u4f7f\u7528\u6307\u5b9a\u7684\u952e\u83b7\u53d6\u96c6\u5408\u5bf9\u8c61\u3002<\/p>\n<h3>\u5728\u5f3a\u8c03\u56de\u8c03\u51fd\u6570\u7684\u60c5\u51b5\u4e0b\uff0c\u4ece\u952e\u540d\u4e3akey\u7684\u6709\u5e8f\u96c6\u5408\u4e2d\u79fb\u9664\u6210\u5458\u4e3amember\u7684\u5143\u7d20\u3002<\/h3>\n<p>\u4f7f\u7528\u7ed9\u5b9a\u7684key\u548cmember\u6765\u5220\u9664set\u4e2d\u7684\u5143\u7d20\u3002<\/p>\n<hr \/>\n<p>\u6700\u521d\u5148\u5728\u4efb\u52a1\u5217\u8868\u4e2d\u4f7f\u7528sadd\u6dfb\u52a0[&#8216;a&#8217;,&#8217;b&#8217;,&#8217;c&#8217;]\u3002<\/p>\n<p>\u4f7f\u7528async_.eachSeries\u51fd\u6570\u6765\u904d\u5386\u5e76\u83b7\u53d6\u8be5\u9879\uff08\u4ece\u4efb\u52a1\u5217\u8868\u4e2d\u4f20\u9012\u5e76\u8fdb\u884c\u4e2a\u522b\u5904\u7406\uff09\u3002<\/p>\n<p>\u5982\u679c\u4e2a\u522b\u5904\u7406\u987a\u5229\u5b8c\u6210\uff0c\u90a3\u4e48\u5c31\u4f7f\u7528srem\u5220\u9664\u9879\u76ee\uff0c\u8fd9\u5c31\u662f\u6211\u7684\u60f3\u6cd5\u3002<\/p>\n<p>\u4e0b\u4e00\u4e2a\u9009\u9879\u662f\u5c06item\u8bbe\u4e3ab\u7684\u60c5\u51b5\u4e0b\u4e0d\u5220\u9664\u5b83\u3002\u8fd9\u53ef\u4ee5\u88ab\u7406\u89e3\u4e3a\u4e2a\u522b\u5904\u7406\u5931\u8d25\u7684\u60c5\u666f\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">describe<\/span> <span class=\"s\">\"redis\"<\/span><span class=\"p\">,<\/span> <span class=\"o\">-&gt;<\/span>\r\n\r\n  <span class=\"nx\">it<\/span> <span class=\"s\">\"test\"<\/span><span class=\"p\">,(<\/span><span class=\"nx\">done<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span>\r\n    <span class=\"nx\">key<\/span> <span class=\"o\">=<\/span> <span class=\"s\">'testSet'<\/span>\r\n    <span class=\"nx\">redis<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"s\">'redis'<\/span><span class=\"p\">).<\/span><span class=\"na\">createClient<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"nx\">async_<\/span><span class=\"p\">.<\/span><span class=\"na\">waterfall<\/span> <span class=\"p\">[<\/span>\r\n      <span class=\"p\">(<\/span><span class=\"nx\">next<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span> <span class=\"nx\">redis<\/span><span class=\"p\">.<\/span><span class=\"na\">sadd<\/span> <span class=\"nx\">key<\/span><span class=\"p\">,[<\/span><span class=\"s\">'a'<\/span><span class=\"p\">,<\/span><span class=\"s\">'b'<\/span><span class=\"p\">,<\/span><span class=\"s\">'c'<\/span><span class=\"p\">],(<\/span><span class=\"nx\">err<\/span><span class=\"p\">,<\/span><span class=\"nx\">res<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span>\r\n        <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"na\">isNull<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nx\">next<\/span><span class=\"p\">()<\/span>\r\n      <span class=\"p\">(<\/span><span class=\"nx\">next<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span> <span class=\"nx\">redis<\/span><span class=\"p\">.<\/span><span class=\"na\">sinter<\/span> <span class=\"nx\">key<\/span><span class=\"p\">,(<\/span><span class=\"nx\">err<\/span><span class=\"p\">,<\/span><span class=\"nx\">arr<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span>\r\n        <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"na\">isNull<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"na\">log<\/span> <span class=\"nx\">arr<\/span>\r\n        <span class=\"nx\">next<\/span><span class=\"p\">(<\/span><span class=\"no\">null<\/span><span class=\"p\">,<\/span><span class=\"nx\">arr<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"p\">(<\/span><span class=\"nx\">arr<\/span><span class=\"p\">,<\/span><span class=\"nx\">next<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span> <span class=\"nx\">async_<\/span><span class=\"p\">.<\/span><span class=\"na\">eachSeries<\/span> <span class=\"nx\">arr<\/span><span class=\"p\">,<\/span> <span class=\"p\">(<\/span><span class=\"nx\">item<\/span><span class=\"p\">,<\/span> <span class=\"nx\">next_<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span>\r\n        <span class=\"c1\"># \u3053\u3053\u3092\u4fee\u6b63<\/span>\r\n        <span class=\"k\">if<\/span> <span class=\"nx\">item<\/span> <span class=\"o\">isnt<\/span> <span class=\"s\">'b'<\/span>\r\n          <span class=\"nx\">redis<\/span><span class=\"p\">.<\/span><span class=\"na\">srem<\/span> <span class=\"nx\">key<\/span><span class=\"p\">,<\/span><span class=\"nx\">item<\/span><span class=\"p\">,(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span>\r\n            <span class=\"nx\">redis<\/span><span class=\"p\">.<\/span><span class=\"na\">sinter<\/span> <span class=\"nx\">key<\/span><span class=\"p\">,(<\/span><span class=\"nx\">err<\/span><span class=\"p\">,<\/span><span class=\"nx\">newArr<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span>\r\n              <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"na\">isNull<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span>\r\n              <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"na\">log<\/span> <span class=\"nx\">newArr<\/span>\r\n              <span class=\"nx\">next_<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"k\">else<\/span>\r\n          <span class=\"nx\">next_<\/span><span class=\"p\">()<\/span>\r\n      <span class=\"p\">,(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span><span class=\"nx\">next<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"p\">],(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span><span class=\"nx\">done<\/span><span class=\"p\">()<\/span>\r\n\r\n<span class=\"c1\"># [ 'a', 'b', 'c' ]<\/span>\r\n<span class=\"c1\"># [ 'b', 'c' ]<\/span>\r\n<span class=\"c1\"># [ 'b' ]<\/span>\r\n<\/code><\/pre>\n<p>\u56e0\u4e3ab\u7684\u60c5\u51b5\u4e0b\u672a\u6267\u884csrem\u64cd\u4f5c\uff0c\u6240\u4ee5\u4ecd\u7136\u7559\u5728\u4efb\u52a1\u5217\u8868\u4e2d\u3002<\/p>\n<hr \/>\n<p>\u7531\u65bc\u57f7\u884c\u4e86\u4e0a\u8ff0\u4ee3\u78bc\u4e26\u4e14\u66ab\u6642\u7d50\u675f\u4e86\u9032\u7a0b\uff0c\u5047\u8a2d\u4efb\u52d9\u5217\u8868\u662f\u4e00\u500b\u8b8a\u91cf\uff0c\u90a3\u9ebc\u5b83\u61c9\u8a72\u5df2\u7d93\u6d88\u5931\u4e86\u3002\u4f46\u7531\u65bc\u662fredis\uff0c\u5b83\u61c9\u8a72\u4ecd\u7136\u5b58\u5728\u3002<\/p>\n<p>\u4ece\u4e0a\u8ff0\u4ee3\u7801\u4e2d\u53bb\u9664sadd\u7684\u90e8\u5206\u548csrem\u7684\u90e8\u5206\uff0c\u7136\u540e\u518d\u6b21\u8fd0\u884c\u4e00\u904d\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"nx\">describe<\/span> <span class=\"s\">\"redis\"<\/span><span class=\"p\">,<\/span> <span class=\"o\">-&gt;<\/span>\r\n\r\n  <span class=\"nx\">it<\/span> <span class=\"s\">\"test\"<\/span><span class=\"p\">,(<\/span><span class=\"nx\">done<\/span><span class=\"p\">)<\/span> <span class=\"o\">-&gt;<\/span>\r\n    <span class=\"nx\">key<\/span> <span class=\"o\">=<\/span> <span class=\"s\">'testSet'<\/span>\r\n    <span class=\"nx\">redis<\/span> <span class=\"o\">=<\/span> <span class=\"nx\">require<\/span><span class=\"p\">(<\/span><span class=\"s\">'redis'<\/span><span class=\"p\">).<\/span><span class=\"na\">createClient<\/span><span class=\"p\">()<\/span>\r\n    <span class=\"nx\">async_<\/span><span class=\"p\">.<\/span><span class=\"na\">waterfall<\/span> <span class=\"p\">[<\/span>\r\n      <span class=\"c1\"># (next)-&gt; redis.sadd key,['a','b','c'],(err,res)-&gt;<\/span>\r\n      <span class=\"c1\">#   assert.isNull(err)<\/span>\r\n      <span class=\"c1\">#   next()<\/span>\r\n      <span class=\"p\">(<\/span><span class=\"nx\">next<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span> <span class=\"nx\">redis<\/span><span class=\"p\">.<\/span><span class=\"na\">sinter<\/span> <span class=\"nx\">key<\/span><span class=\"p\">,(<\/span><span class=\"nx\">err<\/span><span class=\"p\">,<\/span><span class=\"nx\">arr<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span>\r\n        <span class=\"nx\">assert<\/span><span class=\"p\">.<\/span><span class=\"na\">isNull<\/span><span class=\"p\">(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nx\">console<\/span><span class=\"p\">.<\/span><span class=\"na\">log<\/span> <span class=\"nx\">arr<\/span>\r\n        <span class=\"nx\">next<\/span><span class=\"p\">(<\/span><span class=\"no\">null<\/span><span class=\"p\">,<\/span><span class=\"nx\">arr<\/span><span class=\"p\">)<\/span>\r\n      <span class=\"c1\"># (arr,next)-&gt; async_.eachSeries arr, (item, next_) -&gt;<\/span>\r\n      <span class=\"c1\">#   if item isnt 'b'<\/span>\r\n      <span class=\"c1\">#     redis.srem key,item,(err)-&gt;<\/span>\r\n      <span class=\"c1\">#       redis.sinter key,(err,newArr)-&gt;<\/span>\r\n      <span class=\"c1\">#         assert.isNull(err)<\/span>\r\n      <span class=\"c1\">#         console.log newArr<\/span>\r\n      <span class=\"c1\">#         next_()<\/span>\r\n      <span class=\"c1\">#   else<\/span>\r\n      <span class=\"c1\">#     next_()<\/span>\r\n      <span class=\"c1\"># ,(err)-&gt;next()<\/span>\r\n    <span class=\"p\">],(<\/span><span class=\"nx\">err<\/span><span class=\"p\">)<\/span><span class=\"o\">-&gt;<\/span><span class=\"nx\">done<\/span><span class=\"p\">()<\/span>\r\n\r\n<span class=\"c1\"># [ 'b' ]<\/span>\r\n<\/code><\/pre>\n<p>B\u4ecd\u7136\u7559\u4e0b\u4e86\u3002<\/p>\n<p>\u8fd9\u79cd\u65b9\u5f0f\u770b\u8d77\u6765\u9002\u5408\u7528\u5728\u4efb\u52a1\u6e05\u5355\u4e0a\u3002<\/p>\n<h2>\u7efc\u8ff0<\/h2>\n<p>\u542c\u8bf4Redis\u5728Twitter\u4e0a\u4e5f\u88ab\u4f7f\u7528\u5df2\u7ecf\u6709\u4e00\u6bb5\u65f6\u95f4\u4e86\uff0c\u4f46\u662f\u6211\u5bf9\u8be5\u5982\u4f55\u4f7f\u7528\u5b83\u4e00\u76f4\u4e0d\u592a\u6e05\u695a\uff0c\u56e0\u6b64\u4ee5\u524d\u4ece\u672a\u4f7f\u7528\u8fc7\u3002<\/p>\n<p>\u8fd9\u4e00\u6b21\u6211\u5c1d\u8bd5\u4e86\u4e00\u4e0b[\u5373\u4f7f\u8fdb\u7a0b\u7ed3\u675f\u4e5f\u80fd\u4fdd\u6301\u7684\u53d8\u91cf]\u7684\u611f\u89c9\uff0c\u4f46\u51fa\u4e4e\u610f\u6599\u5730\u5f88\u65b9\u4fbf\u3002<\/p>\n<p>\u6211\u7279\u522b\u559c\u6b22\u4f7f\u7528\u53ea\u6709\u4e00\u884c\u4ee3\u7801\u7684redis = require(&#8216;redis&#8217;).createClient()\u8fdb\u884c\u8bbe\u7f6e\u5b8c\u6210\u3002<\/p>\n<p>\u7136\u800c\uff0c\u4e5f\u8bb8\u6709\u6bd4Redis\u66f4\u65b0\u66f4\u65b9\u4fbf\u7684\u6280\u672f\u5b58\u5728\uff0c\u5982\u679c\u60a8\u4e86\u89e3\u7684\u8bdd\uff0c\u80fd\u544a\u8bc9\u6211\u5c31\u975e\u5e38\u9ad8\u5174\u4e86\u3002<\/p>\n<h2>\u8bf7\u53c2\u8003\u4ee5\u4e0b\u7f51\u7ad9<\/h2>\n<p>NodeRedis\/node_redis: \u7528\u4e8e Node.js \u7684 Redis \u5ba2\u6237\u7aef<\/p>\n<p>Redis 2.0.3 \u6587\u6863 \u2014 \u547d\u4ee4\u53c2\u8003\u6307\u5357<\/p>\n<p>\u7528Node.js\u6570\u636e\u5e93\uff1a\u4f7f\u7528Redis\u6765\u73a9\u800d\u548c\u8d5a\u94b1<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5982\u679c\u53ea\u9700\u8981\u672c\u9898\u7684\u7b54\u6848\uff0c\u8bf7\u8df3\u8fc7\u8fd9\u4e00\u5757\u5185\u5bb9\u3002 \u6211\u51e0\u4e4e\u6bcf\u5929\u90fd\u4ece\u67d0\u4e2a\u7f51\u7ad9\u4e0a\u722c\u53d6\u6570\u636e\uff0c\u5e76\u5c06\u5176\u5b58\u5165\u6570\u636e\u5e93\u4e2d\u3002\u6709\u65f6\u4e00\u5929\u8981\u83b7\u53d6 [&hellip;]<\/p>\n","protected":false},"author":8,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-33834","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.5 (Yoast SEO v21.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>\u5c1d\u8bd5\u4f7f\u7528redis\u6765\u7ba1\u7406\u4efb\u52a1\u5217\u8868 - Blog - Silicon Cloud<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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