{"id":44870,"date":"2023-01-20T03:03:52","date_gmt":"2023-01-07T09:36:55","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/44870-2\/"},"modified":"2024-04-29T10:35:07","modified_gmt":"2024-04-29T02:35:07","slug":"44870-2","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/44870-2\/","title":{"rendered":""},"content":{"rendered":"

Go\u8a00\u8a9e\u3000map\u95a2\u6570\u306b\u3064\u3044\u3066<\/h1>\n

Golang\u306b\u304a\u3051\u308bmap\u306b\u3064\u3044\u3066\u30e1\u30e2\u3057\u3066\u304a\u3053\u3046\u3068\u601d\u3044\u307e\u3059\uff0e<\/p>\n

\u57fa\u672c\u6587\u6cd5<\/h3>\n
package<\/span> main<\/span>\r\n\r\nimport<\/span> \"fmt\"<\/span>\r\n\r\nfunc<\/span> main<\/span>()<\/span> {<\/span>\r\n    m<\/span> :=<\/span> map<\/span>[<\/span>string<\/span>]<\/span>int<\/span>{<\/span>\"apple\"<\/span>:<\/span> 100<\/span>,<\/span> \"banana\"<\/span>:<\/span> 200<\/span>}<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>m<\/span>)<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>m<\/span>[<\/span>\"banana\"<\/span>])<\/span>\r\n\r\n<\/code><\/pre>\n
\u3068\u3057\u307e\u3059\uff0e\u3053\u3046\u3059\u308b\u3053\u3068\u3067\u51fa\u529b\u3068\u3057\u3066<\/p>\n
map[apple:100 banana:200]\r\n200\r\n<\/code><\/pre>\n
\u3068\u51fa\u529b\u3055\u308c\u307e\u3059\uff0e
\nmap\u306e\u4f5c\u6210\uff0c\u304a\u3088\u3073\u4e2d\u8eab\u306e\u53d6\u308a\u51fa\u3057\u65b9\u306f\u4ee5\u4e0a\u3067\u3059\uff0e<\/p>\n
\u8981\u7d20\u306e\u8ffd\u52a0<\/h3>\n
\u3055\u3066\uff0c\u8981\u7d20\u3092\u8ffd\u52a0\u3057\u305f\u3044\u3068\u304d\u306f\u3069\u3046\u3059\u308b\u304b\u3067\u3059\u304c<\/p>\n
package<\/span> main<\/span>\r\n\r\nimport<\/span> \"fmt\"<\/span>\r\n\r\nfunc<\/span> main<\/span>()<\/span> {<\/span>\r\n    m<\/span> :=<\/span> map<\/span>[<\/span>string<\/span>]<\/span>int<\/span>{<\/span>\"apple\"<\/span>:<\/span> 100<\/span>,<\/span> \"banana\"<\/span>:<\/span> 200<\/span>}<\/span>\r\n    m<\/span>[<\/span>\"lemon\"<\/span>]<\/span> =<\/span> 500<\/span> \r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>m<\/span>)<\/span>\r\n\r\n<\/code><\/pre>\n
\u3068\u3059\u308b\u3053\u3068\u306b\u3088\u3063\u3066\u51fa\u529b\u304c<\/p>\n
map[apple:100 banana:200 lemon:500]<\/p>\n
\u3068\u306a\u308b\u306e\u304c\u308f\u304b\u308a\u307e\u3059\uff0e<\/p>\n
\u8981\u7d20\u306e\u6709\u7121\u306e\u78ba\u8a8d<\/h3>\n
map\u304c\u8f9e\u66f8\u578b\u306e\u3088\u3046\u306b\u4f7f\u308f\u308c\u308b\u3053\u3068\u304c\u308f\u304b\u308a\u307e\u3057\u305f\uff0e
\n\u3067\u306f\uff0c\u8981\u7d20\u306e\u6709\u7121\u3092\u5224\u65ad\u3059\u308b\u306b\u306f\u3069\u3046\u3057\u305f\u3089\u3088\u3044\u3067\u3057\u3087\u3046\u304b\uff0e
\n\u8fd4\u308a\u5024\u3092\uff12\u3064\u7528\u610f\u3057\u3066\u4e2d\u8eab\u3068\u30d6\u30fc\u30eb\u578b\u306e\u771f\u507d\u3092\u5f97\u308b\u3053\u3068\u304c\u51fa\u6765\u307e\u3059\uff0e<\/p>\n
package<\/span> main<\/span>\r\n\r\nimport<\/span> \"fmt\"<\/span>\r\n\r\nfunc<\/span> main<\/span>()<\/span> {<\/span>\r\n    m<\/span> :=<\/span> map<\/span>[<\/span>string<\/span>]<\/span>int<\/span>{<\/span>\"apple\"<\/span>:<\/span> 100<\/span>,<\/span> \"banana\"<\/span>:<\/span> 200<\/span>}<\/span>\r\n\r\n    v<\/span>,<\/span> ok<\/span> :=<\/span> m<\/span>[<\/span>\"apple\"<\/span>]<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>v<\/span>,<\/span> ok<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u5024(value)\u3068\uff0c\u771f\u7406\u5024(ok)\u3092\u5224\u65ad\u3059\u308b\u3068\u51fa\u529b\u304c\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5f97\u3089\u308c\u307e\u3059\uff0e<\/p>\n
100\r\ntrue\r\n<\/code><\/pre>\n
\u7121\u4e8b\uff0capple\u306e100\uff0c\u304a\u3088\u3073true\u304c\u5f97\u3089\u308c\u307e\u3057\u305f\uff0e\u3053\u306e\u6307\u5b9a\u3055\u308c\u305f\u8981\u7d20\u304c\u5b58\u5728\u3057\u306a\u3044\u3068\u304d\u306f0\u306e\u307f\u304c\u8fd4\u3063\u3066\u304d\u307e\u3059\uff0e\u307e\u305f\uff0c\u88dc\u8db3\u3067\u3059\u304c2\u3064\u76ee\u306e\u8fd4\u308a\u5024\u306f\u5fc5\u305a\u3057\u3082\u5fc5\u8981\u306a\u304f\u7701\u7565\u53ef\u80fd\u3067\u3059\uff0e\u3057\u305f\u304c\u3063\u3066<\/p>\n
    v<\/span> :=<\/span> m<\/span>[<\/span>\"apple\"<\/span>]<\/span>\r\n    fmt<\/span>.<\/span>Println<\/span>(<\/span>v<\/span>)<\/span>\r\n<\/code><\/pre>\n
\u3068\u3057\u3066\u3082OK\u3067\u3059\uff0e<\/p>\n","protected":false},"excerpt":{"rendered":"
Go\u8a00\u8a9e\u3000map\u95a2\u6570\u306b\u3064\u3044\u3066 Golang\u306b\u304a\u3051\u308bmap\u306b\u3064\u3044\u3066\u30e1\u30e2\u3057\u3066\u304a\u3053\u3046\u3068\u601d\u3044\u307e\u3059\uff0e \u57fa\u672c\u6587\u6cd5 pack […]<\/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-44870","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"\n- 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\/44870-2\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:description\" content=\"Go\u8a00\u8a9e\u3000map\u95a2\u6570\u306b\u3064\u3044\u3066 Golang\u306b\u304a\u3051\u308bmap\u306b\u3064\u3044\u3066\u30e1\u30e2\u3057\u3066\u304a\u3053\u3046\u3068\u601d\u3044\u307e\u3059\uff0e \u57fa\u672c\u6587\u6cd5 pack […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/44870-2\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - Silicon Cloud\" \/>\n<meta property=\"article:published_time\" content=\"2023-01-07T09:36:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2024-04-29T02:35:07+00:00\" \/>\n<meta name=\"author\" content=\"\u79d1, \u96c5\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"\u79d1, \u96c5\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/44870-2\/\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/44870-2\/\",\"name\":\"- Blog - Silicon Cloud\",\"isPartOf\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\"},\"datePublished\":\"2023-01-07T09:36:55+00:00\",\"dateModified\":\"2024-04-29T02:35:07+00:00\",\"author\":{\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#\/schema\/person\/41e222757cdd2a3365361328bd79970a\"},\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.silicloud.com\/zh\/blog\/44870-2\/\"]}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.silicloud.com\/zh\/blog\/#website\",\"url\":\"https:\/\/www.silicloud.com\/zh\/blog\/\",\"name\":\"Blog - 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