{"id":205840,"date":"2025-06-12T10:49:24","date_gmt":"2025-06-12T02:49:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205840\/"},"modified":"2025-06-12T10:49:24","modified_gmt":"2025-06-12T02:49:24","slug":"%e5%a6%82%e4%bd%95%e5%af%b9-golang-%e5%87%bd%e6%95%b0%e4%b8%ad%e7%9a%84%e9%94%99%e8%af%af%e8%bf%9b%e8%a1%8c%e5%ba%8f%e5%88%97%e5%8c%96%e5%92%8c%e5%8f%8d%e5%ba%8f%e5%88%97%e5%8c%96%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205840\/","title":{"rendered":"\u5982\u4f55\u5bf9 Golang \u51fd\u6570\u4e2d\u7684\u9519\u8bef\u8fdb\u884c\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\uff1f"},"content":{"rendered":"<p>\u6765\u5230GOLANG\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60GOLANG\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300a\u5982\u4f55\u5bf9 GOLANG \u51fd\u6570\u4e2d\u7684\u9519\u8bef\u8fdb\u884c\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01,GOLANG \u4e2d\u53ef\u4ee5\u901a\u8fc7\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u6765\u5904\u7406\u51fd\u6570\u4e2d\u7684\u9519\u8bef\uff0c\u5e8f\u5217\u5316\u7684\u65b9\u5f0f\u662f\u4f7f\u7528 encoding\/json \u5305\u7684 Marshal \u51fd\u6570\u5c06\u9519\u8bef\u8f6c\u6362\u4e3a JSON \u5b57\u8282\uff0c\u800c\u53cd\u5e8f\u5217\u5316\u5219\u4f7f\u7528 Unmarshal \u51fd\u6570\u5c06 JSON \u5b57\u8282\u8fd8\u539f\u4e3a\u9519\u8bef\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u5728\u51fd\u6570\u4e4b\u95f4\u4f20\u8f93\u548c\u6062\u590d\u9519\u8bef\uff0c\u4ee5\u4fbf\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u4f7f\u7528\u3002,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730015330671df06255bde.jpg\" class=\"aligncenter\">,<br \/>\n<strong>\u5982\u4f55\u5728 GOLANG \u51fd\u6570\u4e2d\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u9519\u8bef\uff1f<\/strong>,\u5728 GOLANG \u4e2d\uff0c\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528<br \/>\n<code>error<\/code> \u4f5c\u4e3a\u5176\u8fd4\u56de\u7c7b\u578b\u6765\u8868\u793a\u51fd\u6570\u6267\u884c\u671f\u95f4\u9047\u5230\u7684\u9519\u8bef\u3002\u4e3a\u4e86\u80fd\u591f\u5728\u7f51\u7edc\u6216\u6301\u4e45\u6027\u5b58\u50a8\u7b49\u4e0d\u540c\u7cfb\u7edf\u4e4b\u95f4\u4f20\u8f93\u3001\u5b58\u50a8\u548c\u6062\u590d\u8fd9\u4e9b\u9519\u8bef\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u5b83\u4eec\u8fdb\u884c\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u3002,<br \/>\n<strong>\u5e8f\u5217\u5316<\/strong>,\u8981\u5e8f\u5217\u5316\u9519\u8bef\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<br \/>\n<code>encoding\/json<\/code> \u5305\u4e2d\u7684<br \/>\n<code>Marshal<\/code> \u51fd\u6570\uff1a,<br \/>\n<strong>\u53cd\u5e8f\u5217\u5316<\/strong>,\u8981\u53cd\u5e8f\u5217\u5316\u9519\u8bef\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<br \/>\n<code>encoding\/json<\/code> \u5305\u4e2d\u7684<br \/>\n<code>Unmarshal<\/code> \u51fd\u6570\uff1a,<br \/>\n<strong>\u5b9e\u6218\u6848\u4f8b<\/strong>,\u8003\u8651\u4ee5\u4e0b HTTP \u670d\u52a1\u5668\uff1a,\u5728\u5ba2\u6237\u7aef\uff0c\u6211\u4eec\u53ef\u4ee5\u53cd\u5e8f\u5217\u5316\u4ece\u670d\u52a1\u5668\u6536\u5230\u7684 JSON \u54cd\u5e94\u5185\u5bb9\uff1a,\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5728\u51fd\u6570\u4e4b\u95f4\u4f20\u8f93\u3001\u5b58\u50a8\u548c\u6062\u590d\u9519\u8bef\uff0c\u65e0\u8bba\u5b83\u4eec\u662f\u5728\u4e0d\u540c\u7684\u8fdb\u7a0b\u4e2d\u6267\u884c\u8fd8\u662f\u5728\u7f51\u7edc\u4e0a\u53d1\u9001\u3002,\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8eGOLANG\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~,\u6765\u5230GOLANG\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60GOLANG\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300a\u5982\u4f55\u5bf9 GOLANG \u51fd\u6570\u4e2d\u7684\u9519\u8bef\u8fdb\u884c\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01,<br \/>\n<b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>\u5982\u4f55\u5bf9 GOLANG \u51fd\u6570\u4e2d\u7684\u9519\u8bef\u8fdb\u884c\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\uff1f<\/span><\/p>\n<h1>\u5982\u4f55\u5bf9 GOLANG \u51fd\u6570\u4e2d\u7684\u9519\u8bef\u8fdb\u884c\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\uff1f<\/h1>\n<p><span>2024-10-27 15:49:05<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u6765\u5230GOLANG\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5e0c\u671b\u5728\u8fd9\u91cc\u5b66\u4e60GOLANG\u76f8\u5173\u7f16\u7a0b\u77e5\u8bc6\u3002\u4e0b\u9762\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u5e26\u5927\u5bb6\u804a\u804a\u300a\u5982\u4f55\u5bf9 GOLANG \u51fd\u6570\u4e2d\u7684\u9519\u8bef\u8fdb\u884c\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\uff1f\u300b\uff0c\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u5bf9\u5927\u5bb6\u7684\u77e5\u8bc6\u79ef\u7d2f\u6709\u6240\u5e2e\u52a9\uff0c\u52a9\u529b\u5b9e\u6218\u5f00\u53d1\uff01<\/p>\n<p>GOLANG \u4e2d\u53ef\u4ee5\u901a\u8fc7\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u6765\u5904\u7406\u51fd\u6570\u4e2d\u7684\u9519\u8bef\uff0c\u5e8f\u5217\u5316\u7684\u65b9\u5f0f\u662f\u4f7f\u7528 encoding\/json \u5305\u7684 Marshal \u51fd\u6570\u5c06\u9519\u8bef\u8f6c\u6362\u4e3a JSON \u5b57\u8282\uff0c\u800c\u53cd\u5e8f\u5217\u5316\u5219\u4f7f\u7528 Unmarshal \u51fd\u6570\u5c06 JSON \u5b57\u8282\u8fd8\u539f\u4e3a\u9519\u8bef\u3002\u8fd9\u4e2a\u8fc7\u7a0b\u53ef\u4ee5\u5728\u51fd\u6570\u4e4b\u95f4\u4f20\u8f93\u548c\u6062\u590d\u9519\u8bef\uff0c\u4ee5\u4fbf\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d\u4f7f\u7528\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241027\/1730015330671df06255bde.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u5728 GOLANG \u51fd\u6570\u4e2d\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u9519\u8bef\uff1f<\/strong><\/p>\n<p>\u5728 GOLANG \u4e2d\uff0c\u51fd\u6570\u53ef\u4ee5\u4f7f\u7528 <code>error<\/code> \u4f5c\u4e3a\u5176\u8fd4\u56de\u7c7b\u578b\u6765\u8868\u793a\u51fd\u6570\u6267\u884c\u671f\u95f4\u9047\u5230\u7684\u9519\u8bef\u3002\u4e3a\u4e86\u80fd\u591f\u5728\u7f51\u7edc\u6216\u6301\u4e45\u6027\u5b58\u50a8\u7b49\u4e0d\u540c\u7cfb\u7edf\u4e4b\u95f4\u4f20\u8f93\u3001\u5b58\u50a8\u548c\u6062\u590d\u8fd9\u4e9b\u9519\u8bef\uff0c\u6211\u4eec\u9700\u8981\u5bf9\u5b83\u4eec\u8fdb\u884c\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u3002<\/p>\n<p><strong>\u5e8f\u5217\u5316<\/strong><\/p>\n<p>\u8981\u5e8f\u5217\u5316\u9519\u8bef\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>encoding\/json<\/code> \u5305\u4e2d\u7684 <code>Marshal<\/code> \u51fd\u6570\uff1a<\/p>\n<pre>import \"encoding\/json\"\n\n\/\/ customErrorType \u5b9a\u4e49\u4e86\u6211\u4eec\u81ea\u5df1\u7684\u9519\u8bef\u7c7b\u578b\ntype customError struct {\n    Message string\n}\n\nfunc (c *customError) Error() string {\n    return c.Message\n}\n\n\/\/ serializeError \u5c06\u9519\u8bef\u5e8f\u5217\u5316\u4e3a JSON \u5b57\u8282\nfunc serializeError(err error) ([]byte, error) {\n    return json.Marshal(err)\n}<\/pre>\n<p><strong>\u53cd\u5e8f\u5217\u5316<\/strong><\/p>\n<p>\u8981\u53cd\u5e8f\u5217\u5316\u9519\u8bef\uff0c\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528 <code>encoding\/json<\/code> \u5305\u4e2d\u7684 <code>Unmarshal<\/code> \u51fd\u6570\uff1a<\/p>\n<pre>import \"encoding\/json\"\n\n\/\/ deserializeError \u5c06 JSON \u5b57\u8282\u53cd\u5e8f\u5217\u5316\u4e3a\u9519\u8bef\nfunc deserializeError(data []byte) (error, error) {\n    var err error\n    if err := json.Unmarshal(data, &amp;err); err != nil {\n        return nil, err\n    }\n    return err, nil\n}<\/pre>\n<p><strong>\u5b9e\u6218\u6848\u4f8b<\/strong><\/p>\n<p>\u8003\u8651\u4ee5\u4e0b HTTP \u670d\u52a1\u5668\uff1a<\/p>\n<pre>import (\n    \"encoding\/json\"\n    \"net\/http\"\n)\n\ntype customError struct {\n    Message string\n}\n\nfunc (c *customError) Error() string {\n    return c.Message\n}\n\nfunc handler(w http.ResponseWriter, r *http.Request) {\n    \/\/ \u6267\u884c\u51fd\u6570\uff0c\u5b83\u53ef\u80fd\u4f1a\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\n    err := doSomething()\n    if err != nil {\n        \/\/ \u5c06\u9519\u8bef\u5e8f\u5217\u5316\u4e3a JSON \u5e76\u5199\u5165\u54cd\u5e94\n        data, err := serializeError(err)\n        if err != nil {\n            http.Error(w, \"Error serializing error\", http.StatusInternalServerError)\n            return\n        }\n        w.Write(data)\n        return\n    }\n}<\/pre>\n<p>\u5728\u5ba2\u6237\u7aef\uff0c\u6211\u4eec\u53ef\u4ee5\u53cd\u5e8f\u5217\u5316\u4ece\u670d\u52a1\u5668\u6536\u5230\u7684 JSON \u54cd\u5e94\u5185\u5bb9\uff1a<\/p>\n<pre>import (\n    \"encoding\/json\"\n    \"net\/http\"\n)\n\nfunc handleResponse(resp *http.Response) (error, error) {\n    \/\/ \u8bfb\u53d6\u54cd\u5e94\u4e3b\u4f53\n    data, err := ioutil.ReadAll(resp.Body)\n    if err != nil {\n        return nil, err\n    }\n\n    \/\/ \u5c06 JSON \u54cd\u5e94\u53cd\u5e8f\u5217\u5316\u4e3a\u9519\u8bef\n    return deserializeError(data)\n}<\/pre>\n<p>\u8fd9\u6837\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5728\u51fd\u6570\u4e4b\u95f4\u4f20\u8f93\u3001\u5b58\u50a8\u548c\u6062\u590d\u9519\u8bef\uff0c\u65e0\u8bba\u5b83\u4eec\u662f\u5728\u4e0d\u540c\u7684\u8fdb\u7a0b\u4e2d\u6267\u884c\u8fd8\u662f\u5728\u7f51\u7edc\u4e0a\u53d1\u9001\u3002<\/p>\n<p>\u4eca\u5929\u5e26\u5927\u5bb6\u4e86\u89e3\u4e86\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u5e0c\u671b\u5bf9\u4f60\u6709\u6240\u5e2e\u52a9\uff1b\u5173\u4e8eGOLANG\u7684\u6280\u672f\u77e5\u8bc6\u6211\u4eec\u4f1a\u4e00\u70b9\u70b9\u6df1\u5165\u4ecb\u7ecd\uff0c\u6b22\u8fce\u5927\u5bb6\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff0c\u4e00\u8d77\u5b66\u4e60\u7f16\u7a0b~<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u7ecf\u7eac\u5ea6\u8f6c\u58a8\u5361\u6258\u5bfc\u81f4NaN\u503c\uff0c\u5982\u4f55\u89e3\u51b3\u8f6e\u5ed3\u7f29\u653e\u95ee\u9898\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   GOLANG \u51fd\u6570\u7684\u53d8\u9769\u6027\u529b\u91cf: \u5c55\u671b\u672a\u6765\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u6765\u5230GOLANG\u7684\u5927\u5bb6\uff0c\u76f8\u4fe1\u90fd\u662f&#46;&#46;&#46;<\/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-205840","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205840","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=205840"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205840\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205840"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205840"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205840"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}