{"id":86242,"date":"2024-01-04T17:16:26","date_gmt":"2024-01-04T09:16:26","guid":{"rendered":"http:\/\/lrxjmw.cn\/?p=86242"},"modified":"2024-01-04T17:16:26","modified_gmt":"2024-01-04T09:16:26","slug":"json-data","status":"publish","type":"post","link":"https:\/\/lrxjmw.cn\/json-data.html","title":{"rendered":"json\u6570\u636e\u7684\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316"},"content":{"rendered":"<table>\n<tbody>\n<tr>\n<td style=\"padding: 5px 12px; width: 25px; font-size: 22px; text-align: center; background: #E8E8E8; line-height: 30px; color: #999;\">\u5bfc\u8bfb<\/td>\n<td style=\"padding: 10px 10px 12px; line-height: 20px;\"><strong>json\u7684\u5168\u79f0\u662fJavascript object notation, \u4e2d\u6587\u5168\u79f0\uff1ajs\u5bf9\u8c61\u8868\u793a\u6cd5\u3002\u5728\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u7684\u534f\u8bae\u4e2d\uff0c\u6709\uff1ajson\u3001xml\u3001yaml\u3001protocol buffer\u7b49\u3002\u5176\u4e2djson\u662f\u524d\u540e\u7aefAPI\u5951\u7ea6\u6570\u636e\u7684\u4e3b\u8981\u4f20\u8f93\u5f62\u5f0f\u3002json\u652f\u6301\u6570\u503c\u3001\u5e03\u5c14\u503c\u3001\u6570\u7ec4\u548c\u5bf9\u8c61\u56db\u79cd\u6570\u636e\u7c7b\u578b\u3002\u901a\u8fc7\u8fd9\u56db\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u53ef\u4ee5\u6784\u5efa\u590d\u6742\u7684\u6570\u636e\u6a21\u578b\u3002<\/strong><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>\u5728Go\u8bed\u8a00\u4e2d\uff0c\u901a\u8fc7json\u6807\u51c6\u5e93\uff0c\u53ef\u4ee5\u8fdb\u884c\u6570\u636e\u7684\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u3002\u5b83\u53ef\u4ee5\u5e8f\u5217\u5316map\uff0c\u7ed3\u6784\u4f53\u3001\u6570\u7ec4\u548cslice\u52a8\u6001\u6570\u7ec4\u3001\u5185\u7f6e\u7684\u57fa\u672c\u6570\u636e\u7c7b\u578b\u3002<\/p>\n<p>\u6211\u4eec\u5728\u8fd9\u91cc\u4e3e\u4e09\u4e2a\u4f8b\u5b50\uff0c\u8bf4\u660ejson\u7684\u4f7f\u7528\u65b9\u6cd5\uff0c\u521d\u5b66\u8005\u53ef\u80fd\u7ecf\u5e38\u53ea\u7528\u5230\u4e00\u79cd\u7ed3\u6784\u4f53\u5bf9\u8c61\u63a5\u6536\u548c\u53d1\u9001\u6570\u636e\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-86368 size-full\" src=\"http:\/\/lrxjmw.cn\/wp-content\/uploads\/2017\/10\/u5603279552039442331fm27gp0.jpg\" alt=\"\" width=\"443\" height=\"341\" srcset=\"https:\/\/lrxjmw.cn\/wp-content\/uploads\/2017\/10\/u5603279552039442331fm27gp0.jpg 443w, https:\/\/lrxjmw.cn\/wp-content\/uploads\/2017\/10\/u5603279552039442331fm27gp0-300x231.jpg 300w\" sizes=\"auto, (max-width: 443px) 100vw, 443px\" \/><\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u7ed3\u6784\u4f53<\/strong><\/div>\n<p><code>type Person struct {<br \/>\nName string `json:\"name\"`<br \/>\nAge  int    `json:\"age\"`<br \/>\n}<\/code><br \/>\n<code><br \/>\nfunc main() {<br \/>\nvar (<br \/>\nnewPer Person<br \/>\nbts []byte<br \/>\n)<br \/>\nper:=Person{<br \/>\nName: \"Lily\",<br \/>\nAge: 29,<br \/>\n}<br \/>\n\/\/ \u5e8f\u5217\u5316<br \/>\nif bts, err = json.Marshal(per); err !=nil{<br \/>\nlog.Fatal(err.Error())<br \/>\nreturn<br \/>\n}<\/code><br \/>\n<code><br \/>\nif err = json.Unmarshal(bts, &amp;newPer); err !=nil{<br \/>\nlog.Fatal(err.Error())<br \/>\nreturn<br \/>\n}<br \/>\nfmt.Println(newPer)<br \/>\n}<\/code><\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>map<\/strong><\/div>\n<p><code>func main() {<br \/>\nvar (<br \/>\nsmap =  map[string]int{<br \/>\n\"Age\": 28,<br \/>\n\"Sex\": 1,<br \/>\n\"Floor\": 12,<br \/>\n}<br \/>\nnewSmap = make(map[string]int)<br \/>\nbts []byte<br \/>\n)<br \/>\nif bts, err = json.Marshal(smap); err !=nil {<br \/>\nlog.Fatal(err.Error())<br \/>\nreturn<br \/>\n}<br \/>\nif err = json.Umarshal(bts, &amp;newSmap); err !=nil {<br \/>\nlog.Fatal(err.Error())<br \/>\nreturn<br \/>\n}<br \/>\nfmt.Println(newSmap)<br \/>\n}<\/code><\/p>\n<div   id="j6sjwn9j3u"    style=\"font-size: 14pt; color: white; background-color: black; border-left: red 10px solid; padding-left: 14px; margin-bottom: 20px; margin-top: 20px;\"><strong>\u6570\u7ec4\u6216\u8005slice\u52a8\u6001\u6570\u7ec4<\/strong><\/div>\n<p><code>func main() {<br \/>\nvar (<br \/>\nages    []int = []int{23, 20, 28, 25, 30}<br \/>\nbts     []byte<br \/>\nerr     error<br \/>\nnewAges = make([]int, len(ages))<br \/>\n)<br \/>\nif bts, err = json.Marshal(ages); err != nil {<br \/>\nfmt.Println(err.Error())<br \/>\nreturn<br \/>\n}<br \/>\nif err = json.Unmarshal(bts, &amp;newAges); err != nil {<br \/>\nfmt.Println(err.Error())<br \/>\nreturn<br \/>\n}<br \/>\nfmt.Println(\"new ages: \", newAges)<br \/>\nreturn<br \/>\n}<\/code><br \/>\n\u521d\u5b66\u8005\u5bf9\u7ed3\u6784\u4f53\u7684json\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u6bd4\u8f83\u6e05\u695a\uff0c\u5bf9\u540e\u4e24\u79cd\u53ef\u80fd\u5f88\u5c11\u7528\uff0c\u4e5f\u4e0d\u4f1a\u7528\u3002<\/p>\n<ul>\n<li>\u5bf9\u4e8e\u6570\u7ec4\u7c7b\u578b\u6570\u636e\uff0c\u4f46\u662f\u6709\u4e9b\u4e1a\u52a1\u573a\u666f\u524d\u7aef\u4f1a\u4f7f\u7528\u3002<\/li>\n<li>\u5bf9\u4e8emap\u7c7b\u578b\uff0c\u4e00\u822c\u4f1a\u5728Go\u8bed\u8a00\u7684\u670d\u52a1\u7aef\u8c03\u7528\u7b2c\u4e09\u65b9REST\u63a5\u53e3\u65f6\uff0c\u670d\u52a1\u7aef\u53ea\u60f3\u8981\u6307\u5b9a\u7684\u8fd4\u56de\u7801\uff0c\u5224\u65ad\u662f\u5426\u8c03\u7528\u6210\u529f\u65f6\u3002\u7a0b\u5e8f\u733f\u4e0d\u60f3\u5199\u6574\u4f53\u7684struct\u7ed3\u6784\u4f53\u5b9a\u4e49\uff0c\u4e5f\u53ef\u80fd\u662f\u6bd4\u8f83\u61d2\uff0c\u7136\u540e\u7528\u4e86\u4e00\u4e2amap[string]interface{}\u53bb\u63a5\u6536\u8fd4\u56de\u6570\u636e\u3002\u8fd9\u65f6\u5019\u901a\u8fc7json\u6807\u51c6\u5e93\u4e2d\u7684Unmarshal\u53cd\u5e8f\u5217\u5316\u540e\uff0c\u7136\u540e\u901a\u8fc7map[\"err_code\"].(int)\u83b7\u53d6\u8fd4\u56de\u7801\uff0c\u7136\u540e\u518d\u505a\u5176\u4ed6\u540e\u7eed\u5904\u7406\u903b\u8f91\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u91cc\u8fd8\u8981\u8bf4\u660e\u4e00\u4e2a\u7ed3\u6784\u4f53\u65f6\uff0c\u6709\u65f6\u5019\u6211\u4f1a\u7528\u5230\u7684\u7279\u6027\uff0c\u7ed3\u6784\u4f53\u7684json\u652f\u6301\u7684\u6807\u7b7e\u503c\u7279\u6027omitempty\uff0c\u4f8b\u5982\uff1a<br \/>\n<code>type Person struct {<br \/>\nName string `json:\"name,omitempty\"`<br \/>\nAge int `json:\"age\"`<br \/>\n}<br \/>\n\u5b83\u8868\u793a\uff0c\u5f53\u51fd\u6570omitempty\u7684\u6807\u7b7e\u503c\u65f6\uff0c\u5b83\u6240\u5bf9\u5e94\u7684\u7ed3\u6784\u4f53\u7684\u6570\u636e\u5143\u7d20\u503c\u5982\u679c\u662f\u96f6\u503c\uff0c\u5219\u5b83\u4e0d\u4f1a\u8f93\u51fa\u3002\u90a3\u5c31\u662f\u8bf4\u5982\u679c\u670d\u52a1\u7aef\u8fd4\u56de\u7684\u7ed3\u6784\u4f53\u6570\u636e\u4e2d\u7684\u67d0\u4e2a\u5143\u7d20\u4e3a\u7a7a\u65f6\uff0c\u4e0d\u8fd4\u56de\u7ed9\u524d\u7aef\u8fd9\u4e2a\u5143\u7d20\uff0c\u5c31\u53ef\u4ee5\u4f7f\u7528omitempty\u7684json\u6807\u7b7e\u503c\u5c5e\u6027\u3002<\/code><\/p>\n<p>\u5728\u8fd9\u91cc\u7ed9\u5927\u5bb6\u63d0\u4f9b\u4e00\u4e2a\u6ef4\u6ef4\u516c\u53f8\u7684\u4e00\u4f4d\u9ad8\u7ea7\u5de5\u7a0b\u5e08taowen\u5199\u7684json\u89e3\u6790\u5e93\uff0c\u4e16\u754c\u4e0a\u6700\u5feb\u7684\u3002github\u5730\u5740\uff1a<a href=\"https:\/\/github.com\/json-iterator\/go\">jsoniter\u3002<\/a><\/p>\n<div   id="j6sjwn9j3u"    class=\"news-links\">\n<ul class=\"link-list\">\n<li>OpenFermion \u7684\u8be6\u7ec6\u4ecb\u7ecd\uff1a<a href=\"https:\/\/www.oschina.net\/p\/openfermion\" target=\"_blank\" rel=\"noopener\">\u70b9\u51fb\u67e5\u770b<\/a><\/li>\n<li>OpenFermion \u7684\u4e0b\u8f7d\u5730\u5740\uff1a<a href=\"https:\/\/www.oschina.net\/home\/login?goto_page=https%3A%2F%2Fwww.oschina.net%2Fnews%2F89904%2Fgoogle-opens-up-quantum-computers-to-chemists\" target=\"_blank\" rel=\"noopener\">\u70b9\u51fb\u4e0b\u8f7d<\/a><\/li>\n<\/ul>\n<\/div>\n<div   id="j6sjwn9j3u"    class=\"blog-opr\">\u6587\u7ae0\u8f6c\u8f7d\u81ea \u5f00\u6e90\u4e2d\u56fd\u793e\u533a <a class=\"green\" href=\"https:\/\/www.oschina.net\/\">[http:\/\/www.oschina.net]<\/a><\/div>\n<blockquote>\n<p style=\"text-align: left; color: #88a6a4;\">\u539f\u6587\u6765\u81ea\uff1a<a href=\"https:\/\/my.oschina.net\/u\/3287304\/blog\/1555330\" target=\"_blank\" rel=\"noopener\">https:\/\/my.oschina.net\/u\/3287304\/blog\/1555330<\/a><\/p>\n<p style=\"text-align: left; color: #88a6a4;\">\u672c\u6587\u5730\u5740\uff1a<a href=\"http:\/\/lrxjmw.cn\/json-data.html\" target=\"_blank\" rel=\"noopener\"> http:\/\/lrxjmw.cn\/json-data.html<\/a><span style=\"float: right;\">\u7f16\u8f91\u5458\uff1a\u90dd\u5927\u53d1\uff0c\u5ba1\u6838\u5458\uff1a\u9004\u589e\u5b9d<\/span><\/p>\n<\/blockquote>\n","protected":false},"excerpt":{"rendered":"<p>\u5bfc\u8bfb json\u7684\u5168\u79f0\u662fJavascript object notation, \u4e2d\u6587\u5168\u79f0\uff1ajs\u5bf9\u8c61\u8868\u793a\u6cd5\u3002\u5728\u5e8f\u5217 [&hellip;]<\/p>\n","protected":false},"author":63,"featured_media":86369,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[55],"tags":[],"class_list":["post-86242","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-thread"],"acf":[],"_links":{"self":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/86242","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/users\/63"}],"replies":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/comments?post=86242"}],"version-history":[{"count":10,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/86242\/revisions"}],"predecessor-version":[{"id":289321,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/posts\/86242\/revisions\/289321"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media\/86369"}],"wp:attachment":[{"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/media?parent=86242"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/categories?post=86242"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lrxjmw.cn\/wp-json\/wp\/v2\/tags?post=86242"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}