{"id":44305,"date":"2022-09-28T11:01:57","date_gmt":"2023-06-03T16:15:01","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8golang%e8%bf%9b%e8%a1%8cjson%e8%a7%a3%e7%a0%81%e3%80%82\/"},"modified":"2024-01-15T12:00:36","modified_gmt":"2024-01-15T04:00:36","slug":"%e4%bd%bf%e7%94%a8golang%e8%bf%9b%e8%a1%8cjson%e8%a7%a3%e7%a0%81%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8golang%e8%bf%9b%e8%a1%8cjson%e8%a7%a3%e7%a0%81%e3%80%82\/","title":{"rendered":"\u4f7f\u7528Golang\u8fdb\u884cJSON\u89e3\u7801"},"content":{"rendered":"<p>\u6700\u8fd1\u6211\u5728\u5b66\u4e60Golang\uff0c\u4e00\u8fb9\u901a\u8fc7\u641c\u7d22\u4e86\u89e3\u76f8\u5173\u77e5\u8bc6\uff0c\u4e00\u8fb9\u5c1d\u8bd5\u9605\u8bfbJSON\u548cGo\u7684\u6587\u6863\u6765\u5b9e\u8df5\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"p\">{<\/span>\r\n  <span class=\"nl\">\"period\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"yy\"<\/span><span class=\"p\">,<\/span>\r\n  <span class=\"nl\">\"exec_period\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"nl\">\"start\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"month\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">1<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nl\">\"week\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">2<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nl\">\"day\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">3<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nl\">\"hour\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">4<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nl\">\"minute\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">5<\/span>\r\n    <span class=\"p\">},<\/span>\r\n    <span class=\"nl\">\"end\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"month\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">6<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nl\">\"week\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">7<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nl\">\"day\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">8<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nl\">\"hour\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">9<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nl\">\"minute\"<\/span><span class=\"p\">:<\/span> <span class=\"mi\">10<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">},<\/span>\r\n  <span class=\"nl\">\"backup\"<\/span><span class=\"p\">:<\/span> <span class=\"p\">[<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"local_dir\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"directoryLo1\"<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nl\">\"server_dir\"<\/span><span class=\"p\">:<\/span>  <span class=\"s2\">\"directoryLo2\"<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nl\">\"server_host\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"domaineName\"<\/span>\r\n    <span class=\"p\">},<\/span>\r\n    <span class=\"p\">{<\/span>\r\n      <span class=\"nl\">\"local_dir\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"directoryLo1\"<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nl\">\"server_dir\"<\/span><span class=\"p\">:<\/span>  <span class=\"s2\">\"directorySe2\"<\/span><span class=\"p\">,<\/span>\r\n      <span class=\"nl\">\"server_host\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"domaineName\"<\/span>\r\n    <span class=\"p\">}<\/span>\r\n  <span class=\"p\">],<\/span>\r\n  <span class=\"nl\">\"incremental_save\"<\/span><span class=\"p\">:<\/span> <span class=\"s2\">\"1Y2M\"<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<p>\u5047\u8bbe\u6709\u8fd9\u6837\u4e00\u4e2aJSON\u6570\u636e\u3002<\/p>\n<p>\u53ef\u4ee5\u4f7f\u7528\u6807\u51c6\u5e93encoding\/json\u6765\u8bfb\u53d6\u5b83\uff0c\u5199\u6210\u7c7b\u4f3c\u8fd9\u6837\u7684\u4ee3\u7801\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n    <span class=\"s\">\"encoding\/json\"<\/span>\r\n    <span class=\"s\">\"fmt\"<\/span>\r\n    <span class=\"s\">\"os\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">time<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">Month<\/span>  <span class=\"kt\">int<\/span>\r\n    <span class=\"n\">Week<\/span>   <span class=\"kt\">int<\/span>\r\n    <span class=\"n\">Day<\/span>    <span class=\"kt\">int<\/span>\r\n    <span class=\"n\">Hour<\/span>   <span class=\"kt\">int<\/span>\r\n    <span class=\"n\">Minute<\/span> <span class=\"kt\">int<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">execPeriod<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">Start<\/span> <span class=\"n\">time<\/span>\r\n    <span class=\"n\">End<\/span>   <span class=\"n\">time<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">directories<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">LocalDir<\/span>   <span class=\"kt\">string<\/span> <span class=\"s\">`json:\"local_dir\"`<\/span>\r\n    <span class=\"n\">ServerDir<\/span>  <span class=\"kt\">string<\/span> <span class=\"s\">`json:\"server_dir\"`<\/span>\r\n    <span class=\"n\">ServerHost<\/span> <span class=\"kt\">string<\/span> <span class=\"s\">`json:\"server_host\"`<\/span>\r\n<span class=\"p\">}<\/span>\r\n\r\n<span class=\"k\">type<\/span> <span class=\"n\">data<\/span> <span class=\"k\">struct<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"n\">Period<\/span>          <span class=\"kt\">string<\/span>\r\n    <span class=\"n\">ExecPeriod<\/span>      <span class=\"n\">execPeriod<\/span> <span class=\"s\">`json:\"exec_period\"`<\/span>\r\n    <span class=\"n\">Backup<\/span>          <span class=\"p\">[]<\/span><span class=\"n\">directories<\/span>\r\n    <span class=\"n\">IncrementalSave<\/span> <span class=\"kt\">string<\/span> <span class=\"s\">`json:\"incremental_save\"`<\/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\">dec<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">json<\/span><span class=\"o\">.<\/span><span class=\"n\">NewDecoder<\/span><span class=\"p\">(<\/span><span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Stdin<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">var<\/span> <span class=\"n\">d<\/span> <span class=\"n\">data<\/span>\r\n    <span class=\"n\">dec<\/span><span class=\"o\">.<\/span><span class=\"n\">Decode<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">d<\/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\">\"%+v<\/span><span class=\"se\">\\n<\/span><span class=\"s\">\"<\/span><span class=\"p\">,<\/span> <span class=\"n\">d<\/span><span class=\"p\">)<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>.\/json &lt; test.json\r\n<span class=\"o\">{<\/span>Period:yy ExecPeriod:<span class=\"o\">{<\/span>Start:<span class=\"o\">{<\/span>Month:1 Week:2 Day:3 Hour:4 Minute:5<span class=\"o\">}<\/span> End:<span class=\"o\">{<\/span>Month:6 Week:7 Day:8 Hour:9 Minute:10<span class=\"o\">}}<\/span> Backup:[<span class=\"o\">{<\/span>LocalDir:directoryLo1 ServerDir:directoryLo2 ServerHost:domaineName<span class=\"o\">}<\/span> <span class=\"o\">{<\/span>LocalDir:directoryLo1 ServerDir:directorySe2 ServerHost:domaineName<span class=\"o\">}]<\/span> IncrementalSave:1Y2M<span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u53ea\u8981\u50cfjson\u4e00\u6837\u5b9a\u4e49\u7ed3\u6784\u4f53\uff0c\u5e76\u5c06\u5176\u4f20\u9012\u7ed9json.Decoder\uff0c\u5c31\u53ef\u4ee5\u4e86\u89e3\u60c5\u51b5\u3002\u4f46\u662f\uff0c\u5982\u679c\u952e\u7684\u540d\u79f0\u4e0ejson\u4e0d\u540c\uff0c\u5219\u9700\u8981\u7528json:&#8221;key_name&#8221;\u8fd9\u6837\u7684\u65b9\u5f0f\u6765\u5f25\u8865\u5dee\u5f02\u3002<\/p>\n<p>\u5728JSON\u548cGo\u7684\u540e\u9762\uff0c\u8fd8\u4ecb\u7ecd\u4e86\u5728\u4e0d\u4e86\u89e3JSON\u7ed3\u6784\u7684\u60c5\u51b5\u4e0b\u7684\u5904\u7406\u65b9\u6cd5\uff0c\u5efa\u8bae\u4f7f\u7528interface\uff01\u7531\u4e8e\u5bf9interface\u4e0d\u592a\u4e86\u89e3\uff0c\u6211\u5728\u67e5\u627e\u8d44\u6599\u7684\u540c\u65f6\u8fdb\u884c\u4e86\u4ee5\u4e0b\u64cd\u4f5c\u3002<\/p>\n<pre class=\"post-pre\"><code><span class=\"k\">package<\/span> <span class=\"n\">main<\/span>\r\n\r\n<span class=\"k\">import<\/span> <span class=\"p\">(<\/span>\r\n    <span class=\"s\">\"encoding\/json\"<\/span>\r\n    <span class=\"s\">\"fmt\"<\/span>\r\n    <span class=\"s\">\"os\"<\/span>\r\n<span class=\"p\">)<\/span>\r\n\r\n<span class=\"k\">func<\/span> <span class=\"n\">assert<\/span><span class=\"p\">(<\/span><span class=\"n\">data<\/span> <span class=\"k\">interface<\/span><span class=\"p\">{})<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">switch<\/span> <span class=\"n\">data<\/span><span class=\"o\">.<\/span><span class=\"p\">(<\/span><span class=\"k\">type<\/span><span class=\"p\">)<\/span> <span class=\"p\">{<\/span>\r\n    <span class=\"k\">case<\/span> <span class=\"kt\">string<\/span><span class=\"o\">:<\/span>\r\n        <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Print<\/span><span class=\"p\">(<\/span><span class=\"n\">data<\/span><span class=\"o\">.<\/span><span class=\"p\">(<\/span><span class=\"kt\">string<\/span><span class=\"p\">))<\/span>\r\n    <span class=\"k\">case<\/span> <span class=\"kt\">float64<\/span><span class=\"o\">:<\/span>\r\n        <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Print<\/span><span class=\"p\">(<\/span><span class=\"n\">data<\/span><span class=\"o\">.<\/span><span class=\"p\">(<\/span><span class=\"kt\">float64<\/span><span class=\"p\">))<\/span>\r\n    <span class=\"k\">case<\/span> <span class=\"kt\">bool<\/span><span class=\"o\">:<\/span>\r\n        <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Print<\/span><span class=\"p\">(<\/span><span class=\"n\">data<\/span><span class=\"o\">.<\/span><span class=\"p\">(<\/span><span class=\"kt\">bool<\/span><span class=\"p\">))<\/span>\r\n    <span class=\"k\">case<\/span> <span class=\"no\">nil<\/span><span class=\"o\">:<\/span>\r\n        <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Print<\/span><span class=\"p\">(<\/span><span class=\"s\">\"null\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">case<\/span> <span class=\"p\">[]<\/span><span class=\"k\">interface<\/span><span class=\"p\">{}<\/span><span class=\"o\">:<\/span>\r\n        <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Print<\/span><span class=\"p\">(<\/span><span class=\"s\">\"[\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">for<\/span> <span class=\"n\">_<\/span><span class=\"p\">,<\/span> <span class=\"n\">v<\/span> <span class=\"o\">:=<\/span> <span class=\"k\">range<\/span> <span class=\"n\">data<\/span><span class=\"o\">.<\/span><span class=\"p\">([]<\/span><span class=\"k\">interface<\/span><span class=\"p\">{})<\/span> <span class=\"p\">{<\/span>\r\n            <span class=\"n\">assert<\/span><span class=\"p\">(<\/span><span class=\"n\">v<\/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\">\" \"<\/span><span class=\"p\">)<\/span>\r\n        <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\">\"]\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">case<\/span> <span class=\"k\">map<\/span><span class=\"p\">[<\/span><span class=\"kt\">string<\/span><span class=\"p\">]<\/span><span class=\"k\">interface<\/span><span class=\"p\">{}<\/span><span class=\"o\">:<\/span>\r\n        <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Print<\/span><span class=\"p\">(<\/span><span class=\"s\">\"{\"<\/span><span class=\"p\">)<\/span>\r\n        <span class=\"k\">for<\/span> <span class=\"n\">k<\/span><span class=\"p\">,<\/span> <span class=\"n\">v<\/span> <span class=\"o\">:=<\/span> <span class=\"k\">range<\/span> <span class=\"n\">data<\/span><span class=\"o\">.<\/span><span class=\"p\">(<\/span><span class=\"k\">map<\/span><span class=\"p\">[<\/span><span class=\"kt\">string<\/span><span class=\"p\">]<\/span><span class=\"k\">interface<\/span><span class=\"p\">{})<\/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=\"n\">k<\/span> <span class=\"o\">+<\/span> <span class=\"s\">\":\"<\/span><span class=\"p\">)<\/span>\r\n            <span class=\"n\">assert<\/span><span class=\"p\">(<\/span><span class=\"n\">v<\/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\">\" \"<\/span><span class=\"p\">)<\/span>\r\n        <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\">\"}\"<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"k\">default<\/span><span class=\"o\">:<\/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=\"k\">var<\/span> <span class=\"n\">data<\/span> <span class=\"k\">interface<\/span><span class=\"p\">{}<\/span>\r\n    <span class=\"n\">dec<\/span> <span class=\"o\">:=<\/span> <span class=\"n\">json<\/span><span class=\"o\">.<\/span><span class=\"n\">NewDecoder<\/span><span class=\"p\">(<\/span><span class=\"n\">os<\/span><span class=\"o\">.<\/span><span class=\"n\">Stdin<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">dec<\/span><span class=\"o\">.<\/span><span class=\"n\">Decode<\/span><span class=\"p\">(<\/span><span class=\"o\">&amp;<\/span><span class=\"n\">data<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">assert<\/span><span class=\"p\">(<\/span><span class=\"n\">data<\/span><span class=\"p\">)<\/span>\r\n    <span class=\"n\">fmt<\/span><span class=\"o\">.<\/span><span class=\"n\">Println<\/span><span class=\"p\">()<\/span>\r\n<span class=\"p\">}<\/span>\r\n<\/code><\/pre>\n<pre class=\"post-pre\"><code><span class=\"nv\">$ <\/span>.\/json &lt; test.json\r\n<span class=\"o\">{<\/span>period:yy exec_period:<span class=\"o\">{<\/span>start:<span class=\"o\">{<\/span>month:1 week:2 day:3 hour:4 minute:5 <span class=\"o\">}<\/span> end:<span class=\"o\">{<\/span>month:6 week:7 day:8 hour:9 minute:10 <span class=\"o\">}<\/span> <span class=\"o\">}<\/span> backup:[<span class=\"o\">{<\/span>local_dir:directoryLo1 server_dir:directoryLo2 server_host:domaineName <span class=\"o\">}<\/span> <span class=\"o\">{<\/span>local_dir:directoryLo1 server_dir:directorySe2 server_host:domaineName <span class=\"o\">}<\/span> <span class=\"o\">]<\/span> incremental_save:1Y2M nulltest:null <span class=\"o\">}<\/span>\r\n<\/code><\/pre>\n<p>\u754c\u9762\u592a\u5389\u5bb3\u4e86\u3002<br \/>\n\u8be5\u793a\u4f8b\u4e0e\u300aEffective 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{ &#8220;perio [&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-44305","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\u7528Golang\u8fdb\u884cJSON\u89e3\u7801 - 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\/\u4f7f\u7528golang\u8fdb\u884cjson\u89e3\u7801\u3002\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" 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