{"id":34213,"date":"2023-04-06T18:44:47","date_gmt":"2023-02-15T10:50:28","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8go%e8%af%ad%e8%a8%80%e4%b8%ad%e5%a4%84%e7%90%86%e9%9b%86%e5%90%88set%e7%9a%84%e6%96%b9%e6%b3%95%e5%92%8c%e6%b5%8b%e8%af%95%e6%96%b9%e5%bc%8f\/"},"modified":"2024-04-29T22:14:50","modified_gmt":"2024-04-29T14:14:50","slug":"%e5%9c%a8go%e8%af%ad%e8%a8%80%e4%b8%ad%e5%a4%84%e7%90%86%e9%9b%86%e5%90%88set%e7%9a%84%e6%96%b9%e6%b3%95%e5%92%8c%e6%b5%8b%e8%af%95%e6%96%b9%e5%bc%8f","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e5%9c%a8go%e8%af%ad%e8%a8%80%e4%b8%ad%e5%a4%84%e7%90%86%e9%9b%86%e5%90%88set%e7%9a%84%e6%96%b9%e6%b3%95%e5%92%8c%e6%b5%8b%e8%af%95%e6%96%b9%e5%bc%8f\/","title":{"rendered":"\u5728Go\u8bed\u8a00\u4e2d\u5904\u7406\u96c6\u5408(Set)\u7684\u65b9\u6cd5\u548c\u6d4b\u8bd5\u65b9\u5f0f"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

Go\u8bed\u8a00\u4e2d\u6ca1\u6709\u9ed8\u8ba4\u63d0\u4f9b\u96c6\u5408(Set)\u3002<\/p>\n

\u5b9e\u73b0\u65b9\u5f0f<\/h1>\n

1. \u5207\u7247 (qi\u0113<\/h2>\n
strSet1<\/span> :=<\/span> []<\/span>string<\/span>{<\/span>\"element1\"<\/span>,<\/span> \"element2\"<\/span>,<\/span> \"element3\"<\/span>}<\/span>\r\n<\/code><\/pre>\n
\u7b80\u5355\u7684\u65b9\u6cd5\u3002
\n\u5141\u8bb8\u91cd\u590d\uff0c\u53ea\u662f\u4e00\u4e2a\u5207\u7247\u3002
\n\u5bf9\u4e8e\u7b80\u5355\u7684\u60c5\u51b5\uff0c\u8fd9\u5c31\u8db3\u591f\u4e86\u3002<\/p>\n
2. \u6620\u5c04[\u63a5\u53e3{}]\u952e\u7ed3\u6784{}<\/h2>\n
strSet2<\/span> :=<\/span> map<\/span>[<\/span>string<\/span>]<\/span>struct<\/span>{}{<\/span>\r\n    \"element1\"<\/span>:<\/span> struct<\/span>{}{},<\/span>\r\n    \"element2\"<\/span>:<\/span> struct<\/span>{}{},<\/span>\r\n    \"element3\"<\/span>:<\/span> struct<\/span>{}{},<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
map\u3092\u5229\u7528\u3059\u308b\u65b9\u6cd5\u3002
\nstruct{}\u306f\u30e1\u30e2\u30ea\u3092\u5727\u8feb\u3059\u308b\u3053\u3068\u306f\u306a\u3044\u3002<\/p>\n
3. github.com\/deckarep\/golang-set\/mapset \u7684\u7f51\u5740<\/h2>\n
strSet3<\/span> :=<\/span> mapset<\/span>.<\/span>NewSet<\/span>()<\/span>\r\nrequiredClasses<\/span>.<\/span>Add<\/span>(<\/span>\"element1\"<\/span>)<\/span>\r\nrequiredClasses<\/span>.<\/span>Add<\/span>(<\/span>\"element2\"<\/span>)<\/span>\r\nrequiredClasses<\/span>.<\/span>Add<\/span>(<\/span>\"element3\"<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u4f7f\u7528\u5305\u7684\u65b9\u6cd5\u3002
\n\u6709\u8bb8\u591a\u65b9\u4fbf\u7684\u65b9\u6cd5\u6765\u64cd\u4f5cSet\u3002
\n\u5185\u90e8\u5b9e\u73b0\u4f7f\u7528\u4e86map[interface{}]struct{}\u3002
\n\u5728https:\/\/github.com\/deckarep\/golang-set\u4e0a\u6709\u6e90\u4ee3\u7801\u3002<\/p>\n
\u7528\u9014\u7684\u5b9a\u4e49\u662f\u6307\u67d0\u7269\u54c1\u6216\u4e8b\u7269\u7684\u76ee\u6807\u3001\u76ee\u7684\u6216\u529f\u80fd\u3002<\/h1>\n
\u5728\u8fdb\u884c\u4e2a\u4eba\u5f00\u53d1\u65f6\uff0c\u9700\u8981\u5bf9Redis\u7684SMembers\u529f\u80fd\u8fdb\u884c\u6d4b\u8bd5\u3002
\nRedis\u53ef\u4ee5\u4f7f\u7528Set\u6765\u5b58\u50a8\u6570\u636e\uff0c\u5e76\u4e14\u53ef\u4ee5\u4f7f\u7528SMembers\u6765\u83b7\u53d6\u6570\u636e\u3002
\n\u7531\u4e8ego\u8bed\u8a00\u4e2d\u6ca1\u6709Set\u7c7b\u578b\uff0cgo-redis\u7684SMembers\u8fd4\u56de\u7684\u662f[]string\u3002
\n\u5f53\u9700\u8981\u6bd4\u8f83\u96c6\u5408\u65f6\uff0c\u4f7f\u7528[]string\u4f1a\u5bfc\u81f4\u5143\u7d20\u4e4b\u95f4\u7684\u987a\u5e8f\u65e0\u6cd5\u4fdd\u8bc1\uff0c\u4ece\u800c\u5bfc\u81f4\u6d4b\u8bd5\u5931\u8d25\uff0c\u56e0\u6b64\u9700\u8981\u4f7f\u7528Set\u7c7b\u578b\u3002
\n\u6211\u8ba4\u4e3a\u4f7f\u7528\u7b2c3\u79cd\u65b9\u6cd5\u7684github.com\/deckarep\/golang-set\/mapset\u8fc7\u4e8e\u5938\u5f20\uff0c\u6240\u4ee5\u9009\u62e9\u4e86\u7b2c2\u79cd\u65b9\u6cd5\uff0c\u5373\u4f7f\u7528map[interface{}]struct{}\u3002
\n\u5982\u679c\u8981\u5c06[]string\u4f5c\u4e3a\u96c6\u5408\u8fdb\u884c\u6bd4\u8f83\uff0c\u90a3\u4e48\u4e3a\u4e86\u786e\u4fdd\u6bcf\u4e2a\u5143\u7d20\u90fd\u5305\u542b\u5728\u5185\uff0c\u53ef\u80fd\u9700\u8981\u8fdb\u884c\u5927\u91cf\u7684for\u5faa\u73af\u3002<\/p>\n
package<\/span> sample<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n    \"testing\"<\/span>\r\n\r\n    \"github.com\/go-redis\/redis\/v7\"<\/span>\r\n)<\/span>\r\n\r\ntype<\/span> RepositoryImpl<\/span> struct<\/span> {<\/span>\r\n    Client<\/span> *<\/span>redis<\/span>.<\/span>Client<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> New<\/span>(<\/span>addr<\/span> string<\/span>)<\/span> (<\/span>*<\/span>redis<\/span>.<\/span>Client<\/span>,<\/span> error<\/span>)<\/span> {<\/span>\r\n    client<\/span> :=<\/span> redis<\/span>.<\/span>NewClient<\/span>(<\/span>&<\/span>redis<\/span>.<\/span>Options<\/span>{<\/span>\r\n        Addr<\/span>:<\/span> addr<\/span>,<\/span>\r\n    })<\/span>\r\n    if<\/span> err<\/span> :=<\/span> client<\/span>.<\/span>Ping<\/span>()<\/span>.<\/span>Err<\/span>();<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        return<\/span> nil<\/span>,<\/span> errors<\/span>.<\/span>Wrapf<\/span>(<\/span>err<\/span>,<\/span> \"failed to ping redis server\"<\/span>)<\/span>\r\n    }<\/span>\r\n    return<\/span> client<\/span>,<\/span> nil<\/span>\r\n}<\/span>\r\n\r\nfunc<\/span> (<\/span>r<\/span> RepositoryImpl<\/span>)<\/span> GetStringSet<\/span>(<\/span>key<\/span> string<\/span>)<\/span> ([]<\/span>string<\/span>,<\/span> error<\/span>)<\/span> {<\/span>\r\n    result<\/span>,<\/span> err<\/span> :=<\/span> r<\/span>.<\/span>Client<\/span>.<\/span>SMembers<\/span>(<\/span>key<\/span>)<\/span>.<\/span>Result<\/span>()<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        return<\/span> nil<\/span>,<\/span> err<\/span>\r\n    }<\/span>\r\n    return<\/span> result<\/span>,<\/span> nil<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
package<\/span> sample<\/span>\r\n\r\nimport<\/span> (<\/span>\r\n    \"testing\"<\/span>\r\n\r\n    \"github.com\/go-redis\/redis\/v7\"<\/span>\r\n)<\/span>\r\n\r\nfunc<\/span> NewMockRedis<\/span>(<\/span>t<\/span> *<\/span>testing<\/span>.<\/span>T<\/span>)<\/span> *<\/span>redis<\/span>.<\/span>Client<\/span> {<\/span>\r\n    t<\/span>.<\/span>Helper<\/span>()<\/span>\r\n\r\n    s<\/span>,<\/span> err<\/span> :=<\/span> miniredis<\/span>.<\/span>Run<\/span>()<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        t<\/span>.<\/span>Fatalf<\/span>(<\/span>\"unexpected error while createing test redis server '%#v'\"<\/span>,<\/span> err<\/span>)<\/span>\r\n    }<\/span>\r\n\r\n    client<\/span> :=<\/span> redis<\/span>.<\/span>NewClient<\/span>(<\/span>&<\/span>redis<\/span>.<\/span>Options<\/span>{<\/span>\r\n        Addr<\/span>:<\/span> s<\/span>.<\/span>Addr<\/span>(),<\/span>\r\n    })<\/span>\r\n    return<\/span> client<\/span>\r\n}<\/span>\r\n\r\n\r\nfunc<\/span> TestGetStringSet<\/span>(<\/span>t<\/span> *<\/span>testing<\/span>.<\/span>T<\/span>)<\/span> {<\/span>\r\n    client<\/span> :=<\/span> NewMockRedis<\/span>(<\/span>t<\/span>)<\/span>\r\n    r<\/span> :=<\/span> RepositoryImpl<\/span>{<\/span>\r\n        Client<\/span>:<\/span> client<\/span>,<\/span>\r\n    }<\/span>\r\n\r\n    client<\/span>.<\/span>SAdd<\/span>(<\/span>\"testKey\"<\/span>,<\/span> \"hoge\"<\/span>,<\/span> \"fuga\"<\/span>,<\/span> \"piyo\"<\/span>)<\/span>\r\n\r\n    actual<\/span>,<\/span> err<\/span> :=<\/span> r<\/span>.<\/span>GetStringSet<\/span>(<\/span>\"testKey\"<\/span>)<\/span>\r\n    if<\/span> err<\/span> !=<\/span> nil<\/span> {<\/span>\r\n        t<\/span>.<\/span>Fatalf<\/span>(<\/span>\"unexpected error while GetStringSet '%#v'\"<\/span>,<\/span> err<\/span>)<\/span>\r\n    }<\/span>\r\n    expected<\/span>,<\/span> err<\/span> :=<\/span> []<\/span>string<\/span>{<\/span>\"hoge\"<\/span>,<\/span> \"fuga\"<\/span>,<\/span> \"piyo\"<\/span>}<\/span>\r\n\r\n    \/\/ \u9806\u756a\u304c\u62c5\u4fdd\u3055\u308c\u306a\u3044\u305f\u3081\u3001\u30c6\u30b9\u30c8\u304c\u5931\u6557\u3059\u308b<\/span>\r\n    if<\/span> diff<\/span> :=<\/span> cmp<\/span>.<\/span>Diff<\/span>(<\/span>actual<\/span>,<\/span> expected<\/span>);<\/span> diff<\/span> !=<\/span> \"\"<\/span> {<\/span>\r\n        t<\/span>.<\/span>Errorf<\/span>(<\/span>\"Diff: (-got +want)<\/span>\\n<\/span>%s\"<\/span>,<\/span> diff<\/span>)<\/span>\r\n    }<\/span>\r\n\r\n    \/\/ slice\u3067\u306fcmp.Diff\u3067\u9806\u5e8f\u304c\u8003\u616e\u3055\u308c\u3066\u3057\u307e\u3046\u306e\u3067Set\u306b\u5909\u63db\u3057\u3066\u6bd4\u8f03\u3059\u308b<\/span>\r\n    expectedSet<\/span> :=<\/span> make<\/span>(<\/span>map<\/span>[<\/span>string<\/span>]<\/span>struct<\/span>{})<\/span>\r\n    for<\/span> _<\/span>,<\/span> v<\/span> :=<\/span> range<\/span> expected<\/span> {<\/span>\r\n        expectedSet<\/span>[<\/span>v<\/span>]<\/span> =<\/span> struct<\/span>{}{}<\/span>\r\n    }<\/span>\r\n    actualSet<\/span> :=<\/span> make<\/span>(<\/span>map<\/span>[<\/span>string<\/span>]<\/span>struct<\/span>{})<\/span>\r\n    for<\/span> _<\/span>,<\/span> v<\/span> :=<\/span> range<\/span> actual<\/span> {<\/span>\r\n        actualSet<\/span>[<\/span>v<\/span>]<\/span> =<\/span> struct<\/span>{}{}<\/span>\r\n    }<\/span>\r\n\r\n    \/\/ \u9806\u756a\u304c\u62c5\u4fdd\u3055\u308c\u308b\u305f\u3081\u3001\u30c6\u30b9\u30c8\u304c\u6210\u529f\u3059\u308b<\/span>\r\n    if<\/span> diff<\/span> :=<\/span> cmp<\/span>.<\/span>Diff<\/span>(<\/span>actualSet<\/span>,<\/span> expectedSet<\/span>);<\/span> diff<\/span> !=<\/span> \"\"<\/span> {<\/span>\r\n        t<\/span>.<\/span>Errorf<\/span>(<\/span>\"Diff: (-got +want)<\/span>\\n<\/span>%s\"<\/span>,<\/span> diff<\/span>)<\/span>\r\n    }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u8bf7\u63d0\u4f9b\u66f4\u591a\u4e0a\u4e0b\u6587\u8bf4\u660e\u6216\u5177\u4f53\u7684\u53e5\u5b50\uff0c\u4ee5\u4fbf\u66f4\u597d\u5730\u628a\u63e1\u9700\u8981\u91cd\u65b0\u8868\u8fbe\u7684\u610f\u601d\u3002<\/h1>\n
\u5b9e\u73b0Set\u7c7b\u578b\u5728Go\u4e2d\u7684\u9009\u62e9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u9996\u5148 Go\u8bed\u8a00\u4e2d\u6ca1\u6709\u9ed8\u8ba4\u63d0\u4f9b\u96c6\u5408(Set)\u3002 \u5b9e\u73b0\u65b9\u5f0f 1. \u5207\u7247 (qi\u0113 strSet1 := []str […]<\/p>\n","protected":false},"author":10,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-34213","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n\u5728Go\u8bed\u8a00\u4e2d\u5904\u7406\u96c6\u5408(Set)\u7684\u65b9\u6cd5\u548c\u6d4b\u8bd5\u65b9\u5f0f - 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\/\u5728go\u8bed\u8a00\u4e2d\u5904\u7406\u96c6\u5408set\u7684\u65b9\u6cd5\u548c\u6d4b\u8bd5\u65b9\u5f0f\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5728Go\u8bed\u8a00\u4e2d\u5904\u7406\u96c6\u5408(Set)\u7684\u65b9\u6cd5\u548c\u6d4b\u8bd5\u65b9\u5f0f\" \/>\n<meta property=\"og:description\" content=\"\u9996\u5148 Go\u8bed\u8a00\u4e2d\u6ca1\u6709\u9ed8\u8ba4\u63d0\u4f9b\u96c6\u5408(Set)\u3002 \u5b9e\u73b0\u65b9\u5f0f 1. \u5207\u7247 (qi\u0113 strSet1 := []str […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/\u5728go\u8bed\u8a00\u4e2d\u5904\u7406\u96c6\u5408set\u7684\u65b9\u6cd5\u548c\u6d4b\u8bd5\u65b9\u5f0f\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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