{"id":33889,"date":"2023-12-01T04:36:58","date_gmt":"2023-02-05T23:06:02","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%9c%a8rust%e7%9a%84redis%e4%b8%ad%e5%b0%9d%e8%af%95%e6%8e%a5%e6%94%b6%e5%90%84%e7%a7%8d%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b\/"},"modified":"2024-01-15T08:04:58","modified_gmt":"2024-01-15T00:04:58","slug":"%e6%88%91%e5%9c%a8rust%e7%9a%84redis%e4%b8%ad%e5%b0%9d%e8%af%95%e6%8e%a5%e6%94%b6%e5%90%84%e7%a7%8d%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%9c%a8rust%e7%9a%84redis%e4%b8%ad%e5%b0%9d%e8%af%95%e6%8e%a5%e6%94%b6%e5%90%84%e7%a7%8d%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b\/","title":{"rendered":"\u6211\u5728Rust\u7684Redis\u4e2d\u5c1d\u8bd5\u63a5\u6536\u5404\u79cd\u6570\u636e\u7c7b\u578b"},"content":{"rendered":"<h1>\u4e3a\u4e86\u4ec0\u4e48<\/h1>\n<p>Rust\u4e2d\u7684Redis\u5e93\u53ef\u4ee5\u5f88\u597d\u5730\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u3002\u4f46\u662f\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6700\u8fd1\u5f15\u5165\u7684\u6d41\u5f0f\u7c7b\u578b\u5177\u6709\u590d\u6742\u7684\u5f62\u5f0f\u3002<\/p>\n<h1>\u7a0b\u5f0f<\/h1>\n<h2>\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50<\/h2>\n<p>\u5b83\u4f1a\u5c06query\u65b9\u6cd5\u7684\u8fd4\u56de\u503c\u8f6c\u6362\u4e3a\u7ed1\u5b9a\u7684\u7c7b\u578b\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">[<\/span><span class=\"n\">package<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">name<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"redis_test\"<\/span>\r\n<span class=\"n\">version<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"0.1.0\"<\/span>\r\n<span class=\"n\">edition<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"2018\"<\/span>\r\n\r\n<span class=\"p\">[<\/span><span class=\"n\">dependencies<\/span><span class=\"p\">]<\/span>\r\n<span class=\"n\">r2d2_redis<\/span> <span class=\"o\">=<\/span> <span class=\"s\">\"^0.12\"<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"k\">use<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">error<\/span><span class=\"p\">::<\/span><span class=\"n\">Error<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">use<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">ops<\/span><span class=\"p\">::<\/span><span class=\"n\">DerefMut<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">RedisConn<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">r2d2_redis<\/span><span class=\"p\">::<\/span><span class=\"nn\">r2d2<\/span><span class=\"p\">::<\/span><span class=\"n\">PooledConnection<\/span><span class=\"o\">&lt;<\/span><span class=\"nn\">r2d2_redis<\/span><span class=\"p\">::<\/span><span class=\"n\">RedisConnectionManager<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">;<\/span>\r\n\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">get_conn<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">RedisConn<\/span><span class=\"p\">,<\/span> <span class=\"nb\">Box<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">dyn<\/span> <span class=\"n\">Error<\/span><span class=\"o\">&gt;&gt;<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">manager<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">r2d2_redis<\/span><span class=\"p\">::<\/span><span class=\"nn\">RedisConnectionManager<\/span><span class=\"p\">::<\/span><span class=\"nf\">new<\/span><span class=\"p\">(<\/span><span class=\"s\">\"redis:\/\/localhost:6379\"<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">pool<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">r2d2_redis<\/span><span class=\"p\">::<\/span><span class=\"nn\">r2d2<\/span><span class=\"p\">::<\/span><span class=\"nn\">Pool<\/span><span class=\"p\">::<\/span><span class=\"nf\">builder<\/span><span class=\"p\">()<\/span><span class=\"nf\">.max_size<\/span><span class=\"p\">(<\/span><span class=\"mi\">2<\/span><span class=\"p\">)<\/span><span class=\"nf\">.build<\/span><span class=\"p\">(<\/span><span class=\"n\">manager<\/span><span class=\"p\">)<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nf\">Ok<\/span><span class=\"p\">(<\/span><span class=\"n\">pool<\/span><span class=\"nf\">.get<\/span><span class=\"p\">()<\/span><span class=\"o\">?<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(),<\/span> <span class=\"nb\">Box<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">dyn<\/span> <span class=\"n\">Error<\/span><span class=\"o\">&gt;&gt;<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">conn<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">get_conn<\/span><span class=\"p\">()<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nn\">r2d2_redis<\/span><span class=\"p\">::<\/span><span class=\"nn\">redis<\/span><span class=\"p\">::<\/span><span class=\"nf\">cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"SET\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"1\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.query<\/span><span class=\"p\">(<\/span><span class=\"n\">conn<\/span><span class=\"nf\">.deref_mut<\/span><span class=\"p\">())<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">res<\/span><span class=\"p\">:<\/span> <span class=\"nb\">String<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">r2d2_redis<\/span><span class=\"p\">::<\/span><span class=\"nn\">redis<\/span><span class=\"p\">::<\/span><span class=\"nf\">cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"GET\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.query<\/span><span class=\"p\">(<\/span><span class=\"n\">conn<\/span><span class=\"nf\">.deref_mut<\/span><span class=\"p\">())<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{:?}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">res<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">res<\/span><span class=\"p\">:<\/span> <span class=\"nb\">i64<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">r2d2_redis<\/span><span class=\"p\">::<\/span><span class=\"nn\">redis<\/span><span class=\"p\">::<\/span><span class=\"nf\">cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"GET\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.query<\/span><span class=\"p\">(<\/span><span class=\"n\">conn<\/span><span class=\"nf\">.deref_mut<\/span><span class=\"p\">())<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{:?}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">res<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>\"1\"\r\n1\r\n<\/code><\/pre>\n<h2>\u7ba1\u9053<\/h2>\n<p>\u901a\u8fc7\u4f7f\u7528\u7ba1\u9053\uff0c\u60a8\u53ef\u4ee5\u83b7\u53d6\u591a\u4e2a\u503c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(),<\/span> <span class=\"nb\">Box<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">dyn<\/span> <span class=\"n\">Error<\/span><span class=\"o\">&gt;&gt;<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">conn<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">get_conn<\/span><span class=\"p\">()<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nn\">r2d2_redis<\/span><span class=\"p\">::<\/span><span class=\"nn\">redis<\/span><span class=\"p\">::<\/span><span class=\"nf\">pipe<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"DEL\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"SET\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"1\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"DEL\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"bbb\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"SET\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"bbb\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"2\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.query<\/span><span class=\"p\">(<\/span><span class=\"n\">conn<\/span><span class=\"nf\">.deref_mut<\/span><span class=\"p\">())<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">res<\/span><span class=\"p\">:<\/span> <span class=\"p\">(<\/span><span class=\"nb\">String<\/span><span class=\"p\">,<\/span> <span class=\"nb\">i64<\/span><span class=\"p\">)<\/span> <span class=\"o\">=<\/span>  <span class=\"nn\">r2d2_redis<\/span><span class=\"p\">::<\/span><span class=\"nn\">redis<\/span><span class=\"p\">::<\/span><span class=\"nf\">pipe<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"GET\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"GET\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"bbb\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.query<\/span><span class=\"p\">(<\/span><span class=\"n\">conn<\/span><span class=\"nf\">.deref_mut<\/span><span class=\"p\">())<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{:?}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">res<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>(\"1\", 1)\r\n<\/code><\/pre>\n<h2>\u540d\u5355<\/h2>\n<p>\u60a8\u8fd8\u53ef\u4ee5\u901a\u8fc7\u904d\u5386\u6570\u7ec4\u6765\u6dfb\u52a0\u53c2\u6570\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(),<\/span> <span class=\"nb\">Box<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">dyn<\/span> <span class=\"n\">Error<\/span><span class=\"o\">&gt;&gt;<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">conn<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">get_conn<\/span><span class=\"p\">()<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">args<\/span> <span class=\"o\">=<\/span> <span class=\"nd\">vec!<\/span><span class=\"p\">[<\/span><span class=\"mi\">1<\/span><span class=\"p\">,<\/span><span class=\"mi\">2<\/span><span class=\"p\">,<\/span><span class=\"mi\">3<\/span><span class=\"p\">];<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">pipe<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">r2d2_redis<\/span><span class=\"p\">::<\/span><span class=\"nn\">redis<\/span><span class=\"p\">::<\/span><span class=\"nf\">pipe<\/span><span class=\"p\">();<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">cmd<\/span> <span class=\"o\">=<\/span> <span class=\"n\">pipe<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"DEL\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"RPUSH\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"k\">for<\/span> <span class=\"n\">i<\/span> <span class=\"n\">in<\/span> <span class=\"n\">args<\/span><span class=\"nf\">.iter<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">cmd<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"o\">*<\/span><span class=\"n\">i<\/span><span class=\"p\">);<\/span>\r\n    <span class=\"p\">}<\/span>\r\n    <span class=\"n\">cmd<\/span><span class=\"nf\">.query<\/span><span class=\"p\">(<\/span><span class=\"n\">conn<\/span><span class=\"nf\">.deref_mut<\/span><span class=\"p\">())<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">list<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Vec<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">i64<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">r2d2_redis<\/span><span class=\"p\">::<\/span><span class=\"nn\">redis<\/span><span class=\"p\">::<\/span><span class=\"nf\">cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"LRANGE\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"mi\">0<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"o\">-<\/span><span class=\"mi\">1<\/span><span class=\"p\">)<\/span><span class=\"nf\">.query<\/span><span class=\"p\">(<\/span><span class=\"n\">conn<\/span><span class=\"nf\">.deref_mut<\/span><span class=\"p\">())<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{:?}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">list<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>[1, 2, 3]\r\n<\/code><\/pre>\n<h2>\u54c8\u5e0c<\/h2>\n<p>\u53ef\u4ee5\u5c06\u5176\u8f6c\u6362\u4e3aHashMap\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">use<\/span> <span class=\"nn\">std<\/span><span class=\"p\">::<\/span><span class=\"nn\">collections<\/span><span class=\"p\">::<\/span><span class=\"n\">HashMap<\/span><span class=\"p\">;<\/span>\r\n<span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(),<\/span> <span class=\"nb\">Box<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">dyn<\/span> <span class=\"n\">Error<\/span><span class=\"o\">&gt;&gt;<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">conn<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">get_conn<\/span><span class=\"p\">()<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nn\">r2d2_redis<\/span><span class=\"p\">::<\/span><span class=\"nn\">redis<\/span><span class=\"p\">::<\/span><span class=\"nf\">pipe<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"DEL\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"HSET\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"a\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"1\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"HSET\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"b\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"2\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.query<\/span><span class=\"p\">(<\/span><span class=\"n\">conn<\/span><span class=\"nf\">.deref_mut<\/span><span class=\"p\">())<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">res<\/span><span class=\"p\">:<\/span> <span class=\"n\">HashMap<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">String<\/span><span class=\"p\">,<\/span> <span class=\"nb\">String<\/span><span class=\"o\">&gt;<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">r2d2_redis<\/span><span class=\"p\">::<\/span><span class=\"nn\">redis<\/span><span class=\"p\">::<\/span><span class=\"nf\">cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"HGETALL\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.query<\/span><span class=\"p\">(<\/span><span class=\"n\">conn<\/span><span class=\"nf\">.deref_mut<\/span><span class=\"p\">())<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{:?}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">res<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>{\"a\": \"1\", \"b\": \"2\"}\r\n<\/code><\/pre>\n<h2>\u76f4\u64ad<\/h2>\n<p>\u597d\u50cf\u770b\u8d77\u4f86 Vec \u6709\u91cd\u8907\uff0c\u4f46\u5982\u679c\u4e0d\u9019\u6a23\u505a\uff0c\u5c31\u7121\u6cd5\u6b63\u78ba\u5730\u7372\u53d6\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">fn<\/span> <span class=\"nf\">main<\/span><span class=\"p\">()<\/span> <span class=\"k\">-&gt;<\/span> <span class=\"n\">Result<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(),<\/span> <span class=\"nb\">Box<\/span><span class=\"o\">&lt;<\/span><span class=\"n\">dyn<\/span> <span class=\"n\">Error<\/span><span class=\"o\">&gt;&gt;<\/span><span class=\"p\">{<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"k\">mut<\/span> <span class=\"n\">conn<\/span> <span class=\"o\">=<\/span> <span class=\"nf\">get_conn<\/span><span class=\"p\">()<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nn\">r2d2_redis<\/span><span class=\"p\">::<\/span><span class=\"nn\">redis<\/span><span class=\"p\">::<\/span><span class=\"nf\">pipe<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"DEL\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"DEL\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"bbb\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"XADD\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"*\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"a\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"1\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"b\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"2\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"XADD\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"bbb\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"*\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"c\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"1\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"d\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"2\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"XADD\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"*\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"a\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"3\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"b\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"4\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"XADD\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"bbb\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"*\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"c\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"3\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"d\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"4\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.query<\/span><span class=\"p\">(<\/span><span class=\"n\">conn<\/span><span class=\"nf\">.deref_mut<\/span><span class=\"p\">())<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"k\">let<\/span> <span class=\"n\">res<\/span><span class=\"p\">:<\/span> <span class=\"nb\">Vec<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">Vec<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(<\/span><span class=\"nb\">String<\/span><span class=\"p\">,<\/span> <span class=\"nb\">Vec<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">Vec<\/span><span class=\"o\">&lt;<\/span><span class=\"p\">(<\/span><span class=\"nb\">String<\/span><span class=\"p\">,<\/span> <span class=\"n\">HashMap<\/span><span class=\"o\">&lt;<\/span><span class=\"nb\">String<\/span><span class=\"p\">,<\/span> <span class=\"nb\">String<\/span><span class=\"o\">&gt;<\/span><span class=\"p\">)<\/span><span class=\"o\">&gt;&gt;<\/span><span class=\"p\">)<\/span><span class=\"o\">&gt;&gt;<\/span> <span class=\"o\">=<\/span> <span class=\"nn\">r2d2_redis<\/span><span class=\"p\">::<\/span><span class=\"nn\">redis<\/span><span class=\"p\">::<\/span><span class=\"nf\">cmd<\/span><span class=\"p\">(<\/span><span class=\"s\">\"XREAD\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"COUNT\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"2\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"STREAMS\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"aaa\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"bbb\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"0\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.arg<\/span><span class=\"p\">(<\/span><span class=\"s\">\"0\"<\/span><span class=\"p\">)<\/span><span class=\"nf\">.query<\/span><span class=\"p\">(<\/span><span class=\"n\">conn<\/span><span class=\"nf\">.deref_mut<\/span><span class=\"p\">())<\/span><span class=\"o\">?<\/span><span class=\"p\">;<\/span>\r\n    <span class=\"nd\">println!<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{:?}\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">res<\/span><span class=\"p\">);<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>[\r\n    [(\"aaa\", [[(\"1574640845410-0\", {\"a\": \"1\", \"b\": \"2\"})], [(\"1574640845410-1\", {\"a\": \"3\", \"b\": \"4\"})]])], \r\n    [(\"bbb\", [[(\"1574640845410-0\", {\"d\": \"2\", \"c\": \"1\"})], [(\"1574640845410-1\", {\"c\": \"3\", \"d\": \"4\"})]])]\r\n]\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>\u4e3a\u4e86\u4ec0\u4e48 Rust\u4e2d\u7684Redis\u5e93\u53ef\u4ee5\u5f88\u597d\u5730\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u3002\u4f46\u662f\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6700\u8fd1\u5f15\u5165\u7684\u6d41\u5f0f\u7c7b\u578b\u5177\u6709\u590d\u6742\u7684\u5f62\u5f0f\u3002 [&hellip;]<\/p>\n","protected":false},"author":12,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-33889","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>\u6211\u5728Rust\u7684Redis\u4e2d\u5c1d\u8bd5\u63a5\u6536\u5404\u79cd\u6570\u636e\u7c7b\u578b - 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\" href=\"https:\/\/www.silicloud.com\/zh\/blog\/\u6211\u5728rust\u7684redis\u4e2d\u5c1d\u8bd5\u63a5\u6536\u5404\u79cd\u6570\u636e\u7c7b\u578b\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u6211\u5728Rust\u7684Redis\u4e2d\u5c1d\u8bd5\u63a5\u6536\u5404\u79cd\u6570\u636e\u7c7b\u578b\" \/>\n<meta property=\"og:description\" content=\"\u4e3a\u4e86\u4ec0\u4e48 Rust\u4e2d\u7684Redis\u5e93\u53ef\u4ee5\u5f88\u597d\u5730\u8fdb\u884c\u7c7b\u578b\u8f6c\u6362\u3002\u4f46\u662f\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u6700\u8fd1\u5f15\u5165\u7684\u6d41\u5f0f\u7c7b\u578b\u5177\u6709\u590d\u6742\u7684\u5f62\u5f0f\u3002 [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u6211\u5728rust\u7684redis\u4e2d\u5c1d\u8bd5\u63a5\u6536\u5404\u79cd\u6570\u636e\u7c7b\u578b\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-02-05T23:06:02+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-01-15T00:04:58+00:00\" \/>\n<meta name=\"author\" content=\"\u9038, \u79d1\" \/>\n<meta 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Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-02-05T23:06:02+00:00\",\"dateModified\":\"2024-01-15T00:04:58+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/85c1dae56e6ea1e695c73d33c684d487\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%9c%a8rust%e7%9a%84redis%e4%b8%ad%e5%b0%9d%e8%af%95%e6%8e%a5%e6%94%b6%e5%90%84%e7%a7%8d%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b\/#breadcrumb\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%9c%a8rust%e7%9a%84redis%e4%b8%ad%e5%b0%9d%e8%af%95%e6%8e%a5%e6%94%b6%e5%90%84%e7%a7%8d%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/%e6%88%91%e5%9c%a8rust%e7%9a%84redis%e4%b8%ad%e5%b0%9d%e8%af%95%e6%8e%a5%e6%94%b6%e5%90%84%e7%a7%8d%e6%95%b0%e6%8d%ae%e7%b1%bb%e5%9e%8b\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"\u9996\u9875\",\"item\":\"https:\/\/www.silicloud.com\/zh\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"\u6211\u5728Rust\u7684Redis\u4e2d\u5c1d\u8bd5\u63a5\u6536\u5404\u79cd\u6570\u636e\u7c7b\u578b\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog 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