{"id":206624,"date":"2025-06-12T10:21:47","date_gmt":"2025-06-12T02:21:47","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206624\/"},"modified":"2025-06-12T10:21:47","modified_gmt":"2025-06-12T02:21:47","slug":"%e5%a6%82%e4%bd%95%e5%9c%a8-go-rpc-%e4%b8%ad%e4%bd%bf%e7%94%a8-errors-is-%e6%af%94%e8%be%83%e5%ae%a2%e6%88%b7%e7%ab%af%e5%92%8c%e6%9c%8d%e5%8a%a1%e7%ab%af%e9%94%99%e8%af%af%e7%b1%bb%e5%9e%8b%ef%bc%9f","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206624\/","title":{"rendered":"\u5982\u4f55\u5728 Go RPC \u4e2d\u4f7f\u7528 errors.Is \u6bd4\u8f83\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u9519\u8bef\u7c7b\u578b\uff1f"},"content":{"rendered":"

\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GOLANG<\/span>\uff0c\u90a3\u4e48\u672c\u6587\u300a\u5982\u4f55\u5728 Go RPC \u4e2d\u4f7f\u7528 errors.Is \u6bd4\u8f83\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u9519\u8bef\u7c7b\u578b\uff1f\u300b<\/span>\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff01\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec<\/span>\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/span>,
\n,
\n\u5982\u4f55\u5728 go rpc \u4e2d\u4f7f\u7528 errors.is \u6bd4\u8f83\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u9519\u8bef\u7c7b\u578b\uff1f<\/strong>,rpc \u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u901a\u5e38\u5bf9\u9519\u8bef\u8fdb\u884c\u7f16\u7801\u548c\u89e3\u7801\uff0c\u56e0\u6b64\u76f4\u63a5\u6bd4\u8f83\u9519\u8bef\u7c7b\u578b\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e0d\u5339\u914d\u3002\u4e3a\u4e86\u4f7f\u7528 errors.is \u6765\u6bd4\u8f83\u9519\u8bef\uff0c\u9700\u8981\u8003\u8651\u4ee5\u4e0b\u65b9\u6cd5\uff1a,
\n\u7406\u89e3 errors.is<\/strong>,errors.is \u65b9\u6cd5\u7528\u4e8e\u6bd4\u8f83\u9519\u8bef\u662f\u5426\u540c\u6e90\uff0c\u5373\u662f\u5426\u662f\u7531\u540c\u7c7b\u578b\u7684\u9519\u8bef\u6e90\u6216\u5305\u88c5\u5668\uff08\u5982 fmt.errorf\uff09\u521b\u5efa\u7684\u3002,
\n\u4f7f\u7528 gob \u7f16\u7801<\/strong>,\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u9700\u8981\u4f7f\u7528\u76f8\u540c\u7684 gob \u7f16\u7801\u5668\u548c\u89e3\u7801\u5668\u6ce8\u518c\u9519\u8bef\u7c7b\u578b\u4ee5\u786e\u4fdd\u540c\u6e90\u6027\u3002\u4f8b\u5982\uff1a,
\n\u81ea\u5b9a\u4e49\u9519\u8bef\u7c7b\u578b<\/strong>,\u5982\u679c gorm.errrecordnotfound \u7684\u7ed3\u6784\u65e0\u6cd5\u540c\u6e90\uff0c\u53ef\u4ee5\u8003\u8651\u521b\u5efa\u81ea\u5df1\u7684\u9519\u8bef\u7c7b\u578b\u5e76\u6ce8\u518c\uff1a,
\n\u4ee3\u7801\u793a\u4f8b<\/strong>,\u4ee5\u4e0b\u662f\u4f7f\u7528 errors.is \u6bd4\u8f83\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u9519\u8bef\u7684\u793a\u4f8b\u4ee3\u7801\uff1a,
\n\u5efa\u8bae<\/strong>,\u5c3d\u7ba1\u53ef\u4ee5\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u4f7f\u7528 errors.is \u6765\u6bd4\u8f83\u9519\u8bef\u7c7b\u578b\uff0c\u4f46\u66f4\u4f73\u5b9e\u8df5\u662f\u4f7f\u7528\u660e\u786e\u7684\u9519\u8bef\u4ee3\u7801\u6216\u6d88\u606f\u8fdb\u884c\u6bd4\u8f83\uff0c\u56e0\u4e3a\u8fd9\u66f4\u53ef\u9760\uff0c\u5e76\u4e14\u907f\u514d\u4e86\u540c\u6e90\u95ee\u9898\u3002,\u672c\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u5728 Go RPC \u4e2d\u4f7f\u7528 errors.Is \u6bd4\u8f83\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u9519\u8bef\u7c7b\u578b\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\u5728 go rpc \u4e2d\u4f7f\u7528 errors.is \u6bd4\u8f83\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u9519\u8bef\u7c7b\u578b\uff1f,
\n\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GOLANG<\/span>\uff0c\u90a3\u4e48\u672c\u6587\u300a\u5982\u4f55\u5728 Go RPC \u4e2d\u4f7f\u7528 errors.Is \u6bd4\u8f83\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u9519\u8bef\u7c7b\u578b\uff1f\u300b<\/span>\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff01\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec<\/span>\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/span>,
\n<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u5982\u4f55\u5728 Go RPC \u4e2d\u4f7f\u7528 errors.Is \u6bd4\u8f83\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u9519\u8bef\u7c7b\u578b\uff1f<\/span><\/p>\n

\u5982\u4f55\u5728 Go RPC \u4e2d\u4f7f\u7528 errors.Is \u6bd4\u8f83\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u9519\u8bef\u7c7b\u578b\uff1f<\/h1>\n

2024-11-17 15:58:15<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GOLANG<\/span>\uff0c\u90a3\u4e48\u672c\u6587\u300a\u5982\u4f55\u5728 Go RPC \u4e2d\u4f7f\u7528 errors.Is \u6bd4\u8f83\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u9519\u8bef\u7c7b\u578b\uff1f\u300b<\/span>\uff0c\u5c31\u5f88\u9002\u5408\u4f60\uff01\u6587\u7ae0\u8bb2\u89e3\u7684\u77e5\u8bc6\u70b9\u4e3b\u8981\u5305\u62ec<\/span>\uff0c\u82e5\u662f\u4f60\u5bf9\u672c\u6587\u611f\u5174\u8da3\uff0c\u6216\u8005\u662f\u60f3\u641e\u61c2\u5176\u4e2d\u67d0\u4e2a\u77e5\u8bc6\u70b9\uff0c\u5c31\u8bf7\u4f60\u7ee7\u7eed\u5f80\u4e0b\u770b\u5427~<\/span><\/p>\n

<\/p>\n

\u5982\u4f55\u5728 go rpc \u4e2d\u4f7f\u7528 errors.is \u6bd4\u8f83\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u9519\u8bef\u7c7b\u578b\uff1f<\/strong><\/p>\n

rpc \u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u901a\u5e38\u5bf9\u9519\u8bef\u8fdb\u884c\u7f16\u7801\u548c\u89e3\u7801\uff0c\u56e0\u6b64\u76f4\u63a5\u6bd4\u8f83\u9519\u8bef\u7c7b\u578b\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4e0d\u5339\u914d\u3002\u4e3a\u4e86\u4f7f\u7528 errors.is \u6765\u6bd4\u8f83\u9519\u8bef\uff0c\u9700\u8981\u8003\u8651\u4ee5\u4e0b\u65b9\u6cd5\uff1a<\/p>\n

\u7406\u89e3 errors.is<\/strong><\/p>\n

errors.is \u65b9\u6cd5\u7528\u4e8e\u6bd4\u8f83\u9519\u8bef\u662f\u5426\u540c\u6e90\uff0c\u5373\u662f\u5426\u662f\u7531\u540c\u7c7b\u578b\u7684\u9519\u8bef\u6e90\u6216\u5305\u88c5\u5668\uff08\u5982 fmt.errorf\uff09\u521b\u5efa\u7684\u3002<\/p>\n

\u4f7f\u7528 gob \u7f16\u7801<\/strong><\/p>\n

\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u9700\u8981\u4f7f\u7528\u76f8\u540c\u7684 gob \u7f16\u7801\u5668\u548c\u89e3\u7801\u5668\u6ce8\u518c\u9519\u8bef\u7c7b\u578b\u4ee5\u786e\u4fdd\u540c\u6e90\u6027\u3002\u4f8b\u5982\uff1a<\/p>\n

gob.register(gorm.errrecordnotfound)  \/\/ \u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef<\/pre>\n
\u81ea\u5b9a\u4e49\u9519\u8bef\u7c7b\u578b<\/strong><\/p>\n
\u5982\u679c gorm.errrecordnotfound \u7684\u7ed3\u6784\u65e0\u6cd5\u540c\u6e90\uff0c\u53ef\u4ee5\u8003\u8651\u521b\u5efa\u81ea\u5df1\u7684\u9519\u8bef\u7c7b\u578b\u5e76\u6ce8\u518c\uff1a<\/p>\n
type myerror struct {\n    gorm.errrecordnotfound\n}\n\nfunc init() {\n    gob.register(myerror{})\n}<\/pre>\n
\u4ee3\u7801\u793a\u4f8b<\/strong><\/p>\n
\u4ee5\u4e0b\u662f\u4f7f\u7528 errors.is \u6bd4\u8f83\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u9519\u8bef\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n
import (\n    \"errors\"\n    \"fmt\"\n\n    \"gorm.io\/gorm\"\n)\n\nfunc main() {\n    \/\/ \u670d\u52a1\u7aef\n    err := gorm.ErrRecordNotFound\n    \/\/ \u5ba2\u6237\u7aef\n    remoteErr := errors.New(\"record not found\")\n\n    if errors.Is(err, remoteErr) {\n        fmt.Println(\"Errors are equal\")\n    } else {\n        fmt.Println(\"Errors are not equal\")\n    }\n}<\/pre>\n
\u5efa\u8bae<\/strong><\/p>\n
\u5c3d\u7ba1\u53ef\u4ee5\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u4f7f\u7528 errors.is \u6765\u6bd4\u8f83\u9519\u8bef\u7c7b\u578b\uff0c\u4f46\u66f4\u4f73\u5b9e\u8df5\u662f\u4f7f\u7528\u660e\u786e\u7684\u9519\u8bef\u4ee3\u7801\u6216\u6d88\u606f\u8fdb\u884c\u6bd4\u8f83\uff0c\u56e0\u4e3a\u8fd9\u66f4\u53ef\u9760\uff0c\u5e76\u4e14\u907f\u514d\u4e86\u540c\u6e90\u95ee\u9898\u3002<\/p>\n
\u672c\u7bc7\u5173\u4e8e\u300a\u5982\u4f55\u5728 Go RPC \u4e2d\u4f7f\u7528 errors.Is \u6bd4\u8f83\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u7aef\u9519\u8bef\u7c7b\u578b\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
\n
\n <\/dt>\n
\n   \u5982\u4f55\u5c06\u9009\u4e2d\u7684 div \u5143\u7d20\u5de7\u5999\u5730\u5c01\u88c5\u5728 form \u8868\u5355\u4e2d\uff1f\n <\/dd>\n<\/dl>\n
\n
\n <\/dt>\n
\n   win11\u7b14\u8bb0\u672c\u600e\u4e48\u8bbe\u7f6e\u5408\u4e0a\u76d6\u5b50\u4e0d\u4f11\u7720\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"
\u6709\u5fd7\u8005\uff0c\u4e8b\u7adf\u6210\uff01\u5982\u679c\u4f60\u5728\u5b66\u4e60GO...<\/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-206624","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206624","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=206624"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206624\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206624"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206624"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206624"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}