{"id":33584,"date":"2023-09-26T10:37:38","date_gmt":"2022-08-15T04:09:03","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8-go-redis-%e8%bf%9b%e8%a1%8c-incr-%e6%93%8d%e4%bd%9c%e3%80%82\/"},"modified":"2024-01-15T07:53:34","modified_gmt":"2024-01-14T23:53:34","slug":"%e4%bd%bf%e7%94%a8-go-redis-%e8%bf%9b%e8%a1%8c-incr-%e6%93%8d%e4%bd%9c%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8-go-redis-%e8%bf%9b%e8%a1%8c-incr-%e6%93%8d%e4%bd%9c%e3%80%82\/","title":{"rendered":"\u4f7f\u7528 go-redis \u8fdb\u884c Incr \u64cd\u4f5c"},"content":{"rendered":"<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n        <span class=\"s\">\"fmt\"<\/span>\r\n        <span class=\"s\">\"strconv\"<\/span>\r\n        <span class=\"s\">\"time\"<\/span>\r\n        <span class=\"s\">\"github.com\/go-redis\/redis\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">getRedisClient<\/span><span class=\"p\">()<\/span> <span class=\"p\">(<\/span><span class=\"o\">*<\/span><span class=\"n\">redis<\/span><span class=\"o\">.<\/span><span class=\"n\">Client<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">client<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">redis<\/span><span class=\"o\">.<\/span><span class=\"n\">NewClient<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">redis<\/span><span class=\"o\">.<\/span><span class=\"n\">Options<\/span><span class=\"p\">{<\/span>\r\n                <span class=\"n\">Addr<\/span><span class=\"o\">:<\/span>     <span class=\"s\">\"localhost:6379\"<\/span><span class=\"p\">,<\/span>\r\n                <span class=\"n\">Password<\/span><span class=\"o\">:<\/span> <span class=\"s\">\"\"<\/span><span class=\"p\">,<\/span> <span class=\"c\">\/\/ no password set<\/span>\r\n                <span class=\"n\">DB<\/span><span class=\"o\">:<\/span>       <span class=\"m\">0<\/span><span class=\"p\">,<\/span>  <span class=\"c\">\/\/ use default DB<\/span>\r\n        <span class=\"p\">})<\/span>  \r\n        <span class=\"k\">return<\/span> <span class=\"n\">client<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">check<\/span><span class=\"p\">(<\/span><span class=\"n\">key<\/span> <span class=\"kt\">string<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">rc<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">getRedisClient<\/span><span class=\"p\">()<\/span>\r\n        <span class=\"n\">v<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">rc<\/span><span class=\"o\">.<\/span><span class=\"n\">Incr<\/span><span class=\"p\">(<\/span><span class=\"n\">key<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Printf<\/span><span class=\"p\">(<\/span><span class=\"s\">\"key:%v,v(%d):%v,%v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">key<\/span><span class=\"p\">,<\/span> <span class=\"n\">v<\/span><span class=\"o\">.<\/span><span class=\"n\">Val<\/span><span class=\"p\">(),<\/span> <span class=\"n\">v<\/span><span class=\"o\">.<\/span><span class=\"n\">Err<\/span><span class=\"p\">(),<\/span> <span class=\"n\">v<\/span><span class=\"o\">.<\/span><span class=\"n\">Val<\/span><span class=\"p\">())<\/span>\r\n\r\n        <span class=\"k\">if<\/span> <span class=\"n\">v<\/span><span class=\"o\">.<\/span><span class=\"n\">Err<\/span><span class=\"p\">()<\/span> <span class=\"o\">!=<\/span> <span class=\"no\">nil<\/span> <span class=\"p\">{<\/span>\r\n                <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Print<\/span><span class=\"p\">(<\/span><span class=\"s\">\"error is not nil<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">}<\/span>   \r\n        <span class=\"k\">if<\/span> <span class=\"n\">v<\/span><span class=\"o\">.<\/span><span class=\"n\">Err<\/span><span class=\"p\">()<\/span> <span class=\"o\">==<\/span> <span class=\"n\">redis<\/span><span class=\"o\">.<\/span><span class=\"n\">Nil<\/span> <span class=\"p\">{<\/span>\r\n                <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Print<\/span><span class=\"p\">(<\/span><span class=\"s\">\"redis.Nil is coming<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"p\">}<\/span>   \r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">main<\/span><span class=\"p\">()<\/span> <span class=\"p\">{<\/span>\r\n        <span class=\"n\">ts<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">strconv<\/span><span class=\"o\">.<\/span><span class=\"n\">Itoa<\/span><span class=\"p\">(<\/span><span class=\"kt\">int<\/span><span class=\"p\">(<\/span><span class=\"n\">time<\/span><span class=\"o\">.<\/span><span class=\"n\">Now<\/span><span class=\"p\">()<\/span><span class=\"o\">.<\/span><span class=\"n\">Unix<\/span><span class=\"p\">()))<\/span>\r\n        <span class=\"n\">key<\/span> <span class=\"o\">:=<\/span> <span class=\"s\">\"thekey:\"<\/span><span class=\"o\">+<\/span><span class=\"n\">ts<\/span>\r\n        <span class=\"n\">check<\/span><span class=\"p\">(<\/span><span class=\"n\">key<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"n\">check<\/span><span class=\"p\">(<\/span><span class=\"n\">key<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code>$ go run main.go\r\nkey:thekey:1584105149,v(1):&lt;nil&gt;,1\r\nkey:thekey:1584105149,v(2):&lt;nil&gt;,2\r\n<\/code><\/pre>\n","protected":false},"excerpt":{"rendered":"<p>package main import ( &#8220;fmt&#8221; &#8220;strconv&#8221; &#8220;time&#8221; &#8220;github.co [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-33584","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>\u4f7f\u7528 go-redis \u8fdb\u884c Incr \u64cd\u4f5c - 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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