{"id":205913,"date":"2025-06-12T08:28:59","date_gmt":"2025-06-12T00:28:59","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205913\/"},"modified":"2025-06-12T08:28:59","modified_gmt":"2025-06-12T00:28:59","slug":"golang-%e5%87%bd%e6%95%b0%ef%bc%9a%e7%b1%bb%e5%9e%8b%e6%96%ad%e8%a8%80%e4%b8%8e-go-%e4%bb%a3%e7%a0%81%e4%b8%ad%e7%9a%84%e5%8f%af%e6%89%a9%e5%b1%95%e6%80%a7","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205913\/","title":{"rendered":"Golang \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u4e0e Go \u4ee3\u7801\u4e2d\u7684\u53ef\u6269\u5c55\u6027"},"content":{"rendered":"

\u5b66\u4e60
\nGOLANG<\/span>\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0
\n\u300aGOLANG \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u4e0e Go \u4ee3\u7801\u4e2d\u7684\u53ef\u6269\u5c55\u6027\u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60
\nGOLANG<\/span>\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01,
\n,
\n\u4ec0\u4e48\u662f\u7c7b\u578b\u65ad\u8a00\uff1f<\/strong>,\u7c7b\u578b\u65ad\u8a00\u662f\u4e00\u79cd\u68c0\u67e5\u53d8\u91cf\u7c7b\u578b\uff0c\u5e76\u6839\u636e\u8be5\u7c7b\u578b\u6267\u884c\u7279\u5b9a\u64cd\u4f5c\u7684\u6280\u672f\u3002\u5b83\u5141\u8bb8\u60a8\u52a8\u6001\u5730\u4ece\u4e00\u4e2a\u7c7b\u578b\u8f6c\u6362\u4e3a\u53e6\u4e00\u4e2a\u7c7b\u578b\u3002,
\nGo \u4e2d\u7684\u7c7b\u578b\u65ad\u8a00<\/strong>,Go \u4e2d\u7684\u8bed\u6cd5\u4e3a\uff1a,\u5982\u679c\u7c7b\u578b\u68c0\u67e5\u6210\u529f\uff0c\u53d8\u91cf
\nvalue<\/em> \u5c06\u8f6c\u6362\u4e3a
\nTargetType<\/em>\uff0c
\nok<\/em> \u5c06\u4e3a
\ntrue<\/em>\u3002\u5426\u5219\uff0c
\nvalue<\/em> \u5c06\u4e3a
\nnil<\/em>\uff0c
\nok<\/em> \u5c06\u4e3a
\nfalse<\/em>\u3002,
\n\u5b9e\u6218\u6848\u4f8b\uff1a\u68c0\u67e5 JSON \u503c<\/strong>,\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a JSON \u503c\uff0c\u5176\u4e2d\u5305\u542b\u5404\u79cd\u7c7b\u578b\u7684\u5b57\u6bb5\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7c7b\u578b\u65ad\u8a00\u6765\u68c0\u67e5\u548c\u5904\u7406\u8fd9\u4e9b\u5b57\u6bb5\uff1a,\u6b64\u793a\u4f8b\u5904\u7406 JSON \u503c\u5e76\u4f7f\u7528\u7c7b\u578b\u65ad\u8a00\u6765\u68c0\u67e5\u5b57\u6bb5\u7c7b\u578b\u3002\u5982\u679c\u68c0\u67e5\u6210\u529f\uff0c\u5219\u6253\u5370\u5b57\u6bb5\u503c\uff1b\u5426\u5219\uff0c\u6253\u5370\u9519\u8bef\u6d88\u606f\u3002,
\n\u53ef\u6269\u5c55\u6027\u4f18\u52bf<\/strong>,\u7c7b\u578b\u65ad\u8a00\u4f7f Go \u4ee3\u7801\u66f4\u52a0\u7075\u6d3b\u548c\u53ef\u6269\u5c55\u3002\u5b83\u5141\u8bb8\u60a8\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u5730\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u53d8\u91cf\u3002\u8fd9\u5728\u5904\u7406\u6765\u81ea\u5404\u79cd\u6765\u6e90\u6216\u5177\u6709\u53ef\u53d8\u683c\u5f0f\u7684\u6570\u636e\u65f6\u975e\u5e38\u6709\u7528\u3002,
\n\u7ed3\u8bba<\/strong>,\u7c7b\u578b\u65ad\u8a00\u662f Go \u4e2d\u4e00\u79cd\u5f3a\u5927\u7684\u7279\u6027\uff0c\u53ef\u7528\u4e8e\u68c0\u67e5\u53d8\u91cf\u7c7b\u578b\u5e76\u6839\u636e\u7c7b\u578b\u6267\u884c\u64cd\u4f5c\u3002\u5b83\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u6269\u5c55\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002,\u4ee5\u4e0a\u5c31\u662f\u300aGOLANG \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u4e0e Go \u4ee3\u7801\u4e2d\u7684\u53ef\u6269\u5c55\u6027\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7c7b\u578b\u65ad\u8a00,\u53ef\u6269\u5c55\u6027\u7684\u8d44\u6599\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01,
\nTargetType:<\/strong> \u9884\u671f\u7684\u53d8\u91cf\u7c7b\u578b,
\nvalue:<\/strong> \u8981\u8fdb\u884c\u7c7b\u578b\u68c0\u67e5\u7684\u53d8\u91cf,
\nok:<\/strong> \u4e00\u4e2a\u5e03\u5c14\u503c\uff0c\u6307\u793a\u8f6c\u6362\u662f\u5426\u6210\u529f,\u4ec0\u4e48\u662f\u7c7b\u578b\u65ad\u8a00\uff1f,\u5b66\u4e60
\nGOLANG<\/span>\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0
\n\u300aGOLANG \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u4e0e Go \u4ee3\u7801\u4e2d\u7684\u53ef\u6269\u5c55\u6027\u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230
\n<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60
\nGOLANG<\/span>\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> GOLANG \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u4e0e Go \u4ee3\u7801\u4e2d\u7684\u53ef\u6269\u5c55\u6027<\/span><\/p>\n

GOLANG \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u4e0e Go \u4ee3\u7801\u4e2d\u7684\u53ef\u6269\u5c55\u6027<\/h1>\n

2024-10-28 08:03:42<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5b66\u4e60GOLANG<\/span>\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d\u8981\u6025\uff01\u4eca\u5929\u7684\u8fd9\u7bc7\u6587\u7ae0\u300aGOLANG \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u4e0e Go \u4ee3\u7801\u4e2d\u7684\u53ef\u6269\u5c55\u6027\u300b<\/span>\u5c06\u4f1a\u4ecb\u7ecd\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u4f60\u60f3\u6df1\u5165\u5b66\u4e60GOLANG<\/span>\uff0c\u53ef\u4ee5\u5173\u6ce8\u6211\uff01\u6211\u4f1a\u6301\u7eed\u66f4\u65b0\u76f8\u5173\u6587\u7ae0\u7684\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u90fd\u80fd\u6709\u6240\u5e2e\u52a9\uff01<\/p>\n

<\/p>\n

Go \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u4e0e Go \u4ee3\u7801\u4e2d\u7684\u53ef\u6269\u5c55\u6027<\/h2>\n

\u4ec0\u4e48\u662f\u7c7b\u578b\u65ad\u8a00\uff1f<\/strong><\/p>\n

\u7c7b\u578b\u65ad\u8a00\u662f\u4e00\u79cd\u68c0\u67e5\u53d8\u91cf\u7c7b\u578b\uff0c\u5e76\u6839\u636e\u8be5\u7c7b\u578b\u6267\u884c\u7279\u5b9a\u64cd\u4f5c\u7684\u6280\u672f\u3002\u5b83\u5141\u8bb8\u60a8\u52a8\u6001\u5730\u4ece\u4e00\u4e2a\u7c7b\u578b\u8f6c\u6362\u4e3a\u53e6\u4e00\u4e2a\u7c7b\u578b\u3002<\/p>\n

Go \u4e2d\u7684\u7c7b\u578b\u65ad\u8a00<\/strong><\/p>\n

Go \u4e2d\u7684\u8bed\u6cd5\u4e3a\uff1a<\/p>\n

value, ok := value.(TargetType)<\/pre>\n
    \n
  • value:<\/strong> \u8981\u8fdb\u884c\u7c7b\u578b\u68c0\u67e5\u7684\u53d8\u91cf<\/li>\n
  • TargetType:<\/strong> \u9884\u671f\u7684\u53d8\u91cf\u7c7b\u578b<\/li>\n
  • ok:<\/strong> \u4e00\u4e2a\u5e03\u5c14\u503c\uff0c\u6307\u793a\u8f6c\u6362\u662f\u5426\u6210\u529f<\/li>\n<\/ul>\n
    \u5982\u679c\u7c7b\u578b\u68c0\u67e5\u6210\u529f\uff0c\u53d8\u91cf value<\/em> \u5c06\u8f6c\u6362\u4e3a TargetType<\/em>\uff0cok<\/em> \u5c06\u4e3a true<\/em>\u3002\u5426\u5219\uff0cvalue<\/em> \u5c06\u4e3a nil<\/em>\uff0cok<\/em> \u5c06\u4e3a false<\/em>\u3002<\/p>\n
    \u5b9e\u6218\u6848\u4f8b\uff1a\u68c0\u67e5 JSON \u503c<\/strong><\/p>\n
    \u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a JSON \u503c\uff0c\u5176\u4e2d\u5305\u542b\u5404\u79cd\u7c7b\u578b\u7684\u5b57\u6bb5\u3002\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528\u7c7b\u578b\u65ad\u8a00\u6765\u68c0\u67e5\u548c\u5904\u7406\u8fd9\u4e9b\u5b57\u6bb5\uff1a<\/p>\n
    import \"encoding\/json\"\n\nfunc main() {\n    jsonValue := `{\n        \"name\": \"Jane Doe\",\n        \"age\": 30,\n        \"married\": true\n    }`\n\n    var data map[string]interface{}\n    if err := json.Unmarshal([]byte(jsonValue), &data); err != nil {\n        fmt.Println(\"Error:\", err)\n        return\n    }\n\n    name, ok := data[\"name\"].(string)\n    if ok {\n        fmt.Println(\"Name:\", name)\n    } else {\n        fmt.Println(\"Name is not a string\")\n    }\n\n    age, ok := data[\"age\"].(int)\n    if ok {\n        fmt.Println(\"Age:\", age)\n    } else {\n        fmt.Println(\"Age is not an int\")\n    }\n\n    married, ok := data[\"married\"].(bool)\n    if ok {\n        fmt.Println(\"Married:\", married)\n    } else {\n        fmt.Println(\"Married is not a bool\")\n    }\n}<\/pre>\n
    \u6b64\u793a\u4f8b\u5904\u7406 JSON \u503c\u5e76\u4f7f\u7528\u7c7b\u578b\u65ad\u8a00\u6765\u68c0\u67e5\u5b57\u6bb5\u7c7b\u578b\u3002\u5982\u679c\u68c0\u67e5\u6210\u529f\uff0c\u5219\u6253\u5370\u5b57\u6bb5\u503c\uff1b\u5426\u5219\uff0c\u6253\u5370\u9519\u8bef\u6d88\u606f\u3002<\/p>\n
    \u53ef\u6269\u5c55\u6027\u4f18\u52bf<\/strong><\/p>\n
    \u7c7b\u578b\u65ad\u8a00\u4f7f Go \u4ee3\u7801\u66f4\u52a0\u7075\u6d3b\u548c\u53ef\u6269\u5c55\u3002\u5b83\u5141\u8bb8\u60a8\u5728\u8fd0\u884c\u65f6\u52a8\u6001\u5730\u5904\u7406\u4e0d\u540c\u7c7b\u578b\u7684\u53d8\u91cf\u3002\u8fd9\u5728\u5904\u7406\u6765\u81ea\u5404\u79cd\u6765\u6e90\u6216\u5177\u6709\u53ef\u53d8\u683c\u5f0f\u7684\u6570\u636e\u65f6\u975e\u5e38\u6709\u7528\u3002<\/p>\n
    \u7ed3\u8bba<\/strong><\/p>\n
    \u7c7b\u578b\u65ad\u8a00\u662f Go \u4e2d\u4e00\u79cd\u5f3a\u5927\u7684\u7279\u6027\uff0c\u53ef\u7528\u4e8e\u68c0\u67e5\u53d8\u91cf\u7c7b\u578b\u5e76\u6839\u636e\u7c7b\u578b\u6267\u884c\u64cd\u4f5c\u3002\u5b83\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u3001\u53ef\u6269\u5c55\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n
    \u4ee5\u4e0a\u5c31\u662f\u300aGOLANG \u51fd\u6570\uff1a\u7c7b\u578b\u65ad\u8a00\u4e0e Go \u4ee3\u7801\u4e2d\u7684\u53ef\u6269\u5c55\u6027\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7c7b\u578b\u65ad\u8a00,\u53ef\u6269\u5c55\u6027\u7684\u8d44\u6599\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01<\/p>\n
    \n
    \n <\/dt>\n
    \n   PHP\u5757\u4f5c\u7528\u57df\u548c\u5168\u5c40\u4f5c\u7528\u57df\u5982\u4f55\u5f71\u54cd\u53d8\u91cf\u7ed1\u5b9a\u7684\u5f3a\u5ea6\n <\/dd>\n<\/dl>\n
    \n
    \n <\/dt>\n
    \n   \u8de8\u5e73\u53f0\u4f7f\u7528 RSA \u52a0\u5bc6\u548c\u89e3\u5bc6\u4fdd\u62a4\u6570\u636e\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
    \u5b66\u4e60 GOLANG\u8981\u52aa\u529b\uff0c\u4f46\u662f\u4e0d...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-205913","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205913","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=205913"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205913\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205913"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205913"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205913"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}