{"id":205607,"date":"2025-06-12T10:09:10","date_gmt":"2025-06-12T02:09:10","guid":{"rendered":"https:\/\/server.hk\/cnblog\/205607\/"},"modified":"2025-06-12T10:09:10","modified_gmt":"2025-06-12T02:09:10","slug":"%e5%a6%82%e4%bd%95%e6%a3%80%e6%9f%a5-golang-%e5%87%bd%e6%95%b0%e5%8f%82%e6%95%b0%e7%9a%84%e6%9c%89%e6%95%88%e6%80%a7%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/205607\/","title":{"rendered":"\u5982\u4f55\u68c0\u67e5 Golang \u51fd\u6570\u53c2\u6570\u7684\u6709\u6548\u6027\uff1f"},"content":{"rendered":"<p>\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u68c0\u67e5 GOLANG \u51fd\u6570\u53c2\u6570\u7684\u6709\u6548\u6027\uff1f\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729930904671ca698c9cae.jpg\" class=\"aligncenter\">,<br \/>\n<strong>\u5982\u4f55\u68c0\u67e5 GOLANG \u51fd\u6570\u53c2\u6570\u7684\u6709\u6548\u6027<\/strong>,\u5728 GOLANG \u4e2d\uff0c\u9a8c\u8bc1\u51fd\u6570\u53c2\u6570\u7684\u6709\u6548\u6027\u975e\u5e38\u91cd\u8981\uff0c\u8fd9\u6837\u624d\u80fd\u786e\u4fdd\u51fd\u6570\u7684\u884c\u4e3a\u548c\u9884\u671f\u7684\u4e00\u6837\u3002\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u68c0\u67e5\u53c2\u6570\u7684\u6709\u6548\u6027\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u3001\u7f16\u5199\u81ea\u5b9a\u4e49\u9a8c\u8bc1\u5668\u548c\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u3002,<br \/>\n<strong>\u4f7f\u7528\u5185\u7f6e\u51fd\u6570<\/strong>,GOLANG \u4e2d\u7684\u5185\u7f6e<br \/>\n<code>errors<\/code> \u5305\u63d0\u4f9b\u4e86\u51e0\u4e2a\u51fd\u6570\u6765\u751f\u6210\u9519\u8bef\uff0c\u53ef\u4ee5\u7528\u6765\u68c0\u67e5\u53c2\u6570\u7684\u6709\u6548\u6027\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u51fd\u6570\u68c0\u67e5<br \/>\n<code>name<\/code> \u53c2\u6570\u662f\u5426\u4e3a\u7a7a\uff1a,\u8c03\u7528\u6b64\u51fd\u6570\u65f6\uff0c\u5982\u679c<br \/>\n<code>name<\/code> \u53c2\u6570\u4e3a\u7a7a\uff0c\u5219\u4f1a\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\uff1a,<br \/>\n<strong>\u7f16\u5199\u81ea\u5b9a\u4e49\u9a8c\u8bc1\u5668<\/strong>,\u6709\u65f6\uff0c\u5185\u7f6e\u51fd\u6570\u4e0d\u8db3\u4ee5\u6ee1\u8db3\u4f60\u7684\u9700\u6c42\u3002\u6b64\u65f6\uff0c\u4f60\u53ef\u4ee5\u7f16\u5199\u81ea\u5df1\u7684\u81ea\u5b9a\u4e49\u9a8c\u8bc1\u5668\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u9a8c\u8bc1\u5668\u68c0\u67e5<br \/>\n<code>age<\/code> \u53c2\u6570\u662f\u5426\u5728 0 \u5230 120 \u7684\u8303\u56f4\u5185\uff1a,<br \/>\n<strong>\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/strong>,\u8fd8\u6709\u8bb8\u591a\u7b2c\u4e09\u65b9\u5e93\u53ef\u4ee5\u5e2e\u52a9\u4f60\u9a8c\u8bc1\u51fd\u6570\u53c2\u6570\u3002\u4f8b\u5982\uff0c<br \/>\n<code>validate<\/code> \u5305\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5e7f\u6cdb\u7684\u9a8c\u8bc1\u89c4\u5219\u96c6\uff0c\u53ef\u4ee5\u7528\u6765\u68c0\u67e5\u5404\u79cd\u7c7b\u578b\u7684\u53c2\u6570\uff1a,\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u6280\u672f\uff0c\u4f60\u53ef\u4ee5\u786e\u4fdd\u4f60\u7684\u51fd\u6570\u53c2\u6570\u662f\u6709\u6548\u7684\uff0c\u4ece\u800c\u9632\u6b62\u9519\u8bef\u548c\u5f02\u5e38\u884c\u4e3a\u3002,\u672c\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u68c0\u67e5 GOLANG \u51fd\u6570\u53c2\u6570\u7684\u6709\u6548\u6027\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGOLANG\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01,\u5982\u4f55\u68c0\u67e5 GOLANG \u51fd\u6570\u53c2\u6570\u7684\u6709\u6548\u6027,\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u68c0\u67e5 GOLANG \u51fd\u6570\u53c2\u6570\u7684\u6709\u6548\u6027\uff1f\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002,<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\u68c0\u67e5 GOLANG \u51fd\u6570\u53c2\u6570\u7684\u6709\u6548\u6027\uff1f<\/span><\/p>\n<h1>\u5982\u4f55\u68c0\u67e5 GOLANG \u51fd\u6570\u53c2\u6570\u7684\u6709\u6548\u6027\uff1f<\/h1>\n<p><span>2024-10-26 16:21:59<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u68c0\u67e5 GOLANG \u51fd\u6570\u53c2\u6570\u7684\u6709\u6548\u6027\uff1f\u300b\uff0c\u4e3b\u8981\u5305\u62ec\uff0c\u5177\u6709\u4e00\u5b9a\u7684\u53c2\u8003\u4ef7\u503c\uff0c\u9700\u8981\u7684\u670b\u53cb\u53ef\u4ee5\u53c2\u8003\u4e00\u4e0b\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241026\/1729930904671ca698c9cae.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>\u5982\u4f55\u68c0\u67e5 GOLANG \u51fd\u6570\u53c2\u6570\u7684\u6709\u6548\u6027<\/strong><\/p>\n<p>\u5728 GOLANG \u4e2d\uff0c\u9a8c\u8bc1\u51fd\u6570\u53c2\u6570\u7684\u6709\u6548\u6027\u975e\u5e38\u91cd\u8981\uff0c\u8fd9\u6837\u624d\u80fd\u786e\u4fdd\u51fd\u6570\u7684\u884c\u4e3a\u548c\u9884\u671f\u7684\u4e00\u6837\u3002\u6709\u51e0\u79cd\u65b9\u6cd5\u53ef\u4ee5\u68c0\u67e5\u53c2\u6570\u7684\u6709\u6548\u6027\uff0c\u5305\u62ec\u4f7f\u7528\u5185\u7f6e\u51fd\u6570\u3001\u7f16\u5199\u81ea\u5b9a\u4e49\u9a8c\u8bc1\u5668\u548c\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93\u3002<\/p>\n<p><strong>\u4f7f\u7528\u5185\u7f6e\u51fd\u6570<\/strong><\/p>\n<p>GOLANG \u4e2d\u7684\u5185\u7f6e <code>errors<\/code> \u5305\u63d0\u4f9b\u4e86\u51e0\u4e2a\u51fd\u6570\u6765\u751f\u6210\u9519\u8bef\uff0c\u53ef\u4ee5\u7528\u6765\u68c0\u67e5\u53c2\u6570\u7684\u6709\u6548\u6027\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u51fd\u6570\u68c0\u67e5 <code>name<\/code> \u53c2\u6570\u662f\u5426\u4e3a\u7a7a\uff1a<\/p>\n<pre>func validateName(name string) error {\n    if name == \"\" {\n        return errors.New(\"name cannot be empty\")\n    }\n    return nil\n}<\/pre>\n<p>\u8c03\u7528\u6b64\u51fd\u6570\u65f6\uff0c\u5982\u679c <code>name<\/code> \u53c2\u6570\u4e3a\u7a7a\uff0c\u5219\u4f1a\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\uff1a<\/p>\n<pre>func main() {\n    err := validateName(\"\") \/\/ \u7531\u4e8e name \u4e3a\u7a7a\uff0c\u6b64\u64cd\u4f5c\u5c06\u8fd4\u56de\u9519\u8bef\n    if err != nil {\n        log.Fatal(err)\n    }\n}<\/pre>\n<p><strong>\u7f16\u5199\u81ea\u5b9a\u4e49\u9a8c\u8bc1\u5668<\/strong><\/p>\n<p>\u6709\u65f6\uff0c\u5185\u7f6e\u51fd\u6570\u4e0d\u8db3\u4ee5\u6ee1\u8db3\u4f60\u7684\u9700\u6c42\u3002\u6b64\u65f6\uff0c\u4f60\u53ef\u4ee5\u7f16\u5199\u81ea\u5df1\u7684\u81ea\u5b9a\u4e49\u9a8c\u8bc1\u5668\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u9a8c\u8bc1\u5668\u68c0\u67e5 <code>age<\/code> \u53c2\u6570\u662f\u5426\u5728 0 \u5230 120 \u7684\u8303\u56f4\u5185\uff1a<\/p>\n<pre>func validateAge(age int) error {\n    if age &lt; 0 || age &gt; 120 {\n        return fmt.Errorf(\"age must be between 0 and 120 (inclusive)\")\n    }\n    return nil\n}<\/pre>\n<p><strong>\u4f7f\u7528\u7b2c\u4e09\u65b9\u5e93<\/strong><\/p>\n<p>\u8fd8\u6709\u8bb8\u591a\u7b2c\u4e09\u65b9\u5e93\u53ef\u4ee5\u5e2e\u52a9\u4f60\u9a8c\u8bc1\u51fd\u6570\u53c2\u6570\u3002\u4f8b\u5982\uff0c<code>validate<\/code> \u5305\u63d0\u4f9b\u4e86\u4e00\u4e2a\u5e7f\u6cdb\u7684\u9a8c\u8bc1\u89c4\u5219\u96c6\uff0c\u53ef\u4ee5\u7528\u6765\u68c0\u67e5\u5404\u79cd\u7c7b\u578b\u7684\u53c2\u6570\uff1a<\/p>\n<pre>import \"github.com\/go-playground\/validator\/v10\"\n\ntype User struct {\n    Name string `validate:\"required\"`\n    Age  int    `validate:\"gte=0,lte=120\"`\n}\n\nfunc main() {\n    user := &amp;User{Name: \"\", Age: -1} \/\/ age \u4e3a\u8d1f\u6570\uff0c\u5c06\u5bfc\u81f4\u9a8c\u8bc1\u5931\u8d25\n    err := validate.Struct(user)\n    if err != nil {\n        log.Fatal(err)\n    }\n}<\/pre>\n<p>\u901a\u8fc7\u4f7f\u7528\u8fd9\u4e9b\u6280\u672f\uff0c\u4f60\u53ef\u4ee5\u786e\u4fdd\u4f60\u7684\u51fd\u6570\u53c2\u6570\u662f\u6709\u6548\u7684\uff0c\u4ece\u800c\u9632\u6b62\u9519\u8bef\u548c\u5f02\u5e38\u884c\u4e3a\u3002<\/p>\n<p>\u672c\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u68c0\u67e5 GOLANG \u51fd\u6570\u53c2\u6570\u7684\u6709\u6548\u6027\uff1f\u300b\u7684\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\u5566\uff0c\u4f46\u662f\u5b66\u65e0\u6b62\u5883\uff0c\u60f3\u8981\u4e86\u89e3\u5b66\u4e60\u66f4\u591a\u5173\u4e8eGOLANG\u7684\u76f8\u5173\u77e5\u8bc6\uff0c\u8bf7\u5173\u6ce8GOLANG\u516c\u4f17\u53f7\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   PHP \u53c2\u6570\u7ed1\u5b9a\u4e0e ORM \u6846\u67b6\u7684\u96c6\u6210\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u8fdc\u7a0b\u7535\u8111\u7ef4\u4fee\uff1a360\u8f6f\u4ef6\u7684\u5168\u9762\u89e3\u51b3\u65b9\u6848\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u672c\u7bc7\u6587\u7ae0\u5411\u5927\u5bb6\u4ecb\u7ecd\u300a\u5982\u4f55\u68c0\u67e5 G&#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-205607","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205607","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=205607"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/205607\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=205607"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=205607"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=205607"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}