{"id":206501,"date":"2025-06-12T14:59:33","date_gmt":"2025-06-12T06:59:33","guid":{"rendered":"https:\/\/server.hk\/cnblog\/206501\/"},"modified":"2025-06-12T14:59:33","modified_gmt":"2025-06-12T06:59:33","slug":"go-rpc-%e6%9c%8d%e5%8a%a1%e7%ab%af%e5%92%8c%e5%ae%a2%e6%88%b7%e7%ab%af%e9%94%99%e8%af%af%e6%af%94%e8%be%83%ef%bc%9a%e4%b8%ba%e4%bd%95-errors-is-%e6%97%a0%e6%b3%95%e5%87%86%e7%a1%ae%e8%af%86%e5%88%ab","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/206501\/","title":{"rendered":"Go RPC \u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u9519\u8bef\u6bd4\u8f83\uff1a\u4e3a\u4f55 errors.Is \u65e0\u6cd5\u51c6\u786e\u8bc6\u522b\u76f8\u540c\u9519\u8bef\uff1f"},"content":{"rendered":"<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aGo RPC \u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u9519\u8bef\u6bd4\u8f83\uff1a\u4e3a\u4f55 errors.Is \u65e0\u6cd5\u51c6\u786e\u8bc6\u522b\u76f8\u540c\u9519\u8bef\uff1f \u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002,<br \/>\n<img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241113\/1731479995673449bbd81b0.jpg\" class=\"aligncenter\">,<br \/>\n<strong>go rpc \u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u7684\u9519\u8bef\u6bd4\u8f83<\/strong>,\u5728\u4f7f\u7528 go rpc \u65f6\uff0c\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u8fd4\u56de\u7684\u9519\u8bef\u7c7b\u578b\u53ef\u80fd\u4e0d\u76f8\u540c\u3002\u4f8b\u5982\uff0c\u5ba2\u6237\u7aef\u53ef\u80fd\u8fd4\u56de gorm.errrecordnotfound \u9519\u8bef\uff0c\u800c\u670d\u52a1\u7aef\u8fd4\u56de\u76f8\u540c\u7684\u9519\u8bef\u7c7b\u578b\u65f6\uff0c\u4f7f\u7528 errors.is \u6bd4\u8f83\u540e\u5374\u5f97\u5230 false\u3002,\u8981\u901a\u8fc7 errors.is \u6765\u6bd4\u8f83\u9519\u8bef\uff0c\u9700\u8981\u6df1\u5165\u7406\u89e3 errors.is \u7684\u672c\u8d28\u3002errors.is \u6bd4\u8f83\u7684\u662f\u9519\u8bef\u662f\u5426 &#8220;\u540c\u6e90&#8221;\uff0c\u5373\u6bd4\u8f83\u5305\u88c5\u540e\u7684\u9519\u8bef\u662f\u5426\u5c5e\u4e8e\u6e90\u9519\u8bef\u3002,\u5728 rpc \u4e2d\uff0c\u7f16\u7801\u548c\u89e3\u7801\u8fc7\u7a0b\u53ef\u80fd\u4f1a\u4fee\u6539\u9519\u8bef\u7c7b\u578b\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5c55\u793a\u4e86 errors.is \u5728\u8fdb\u884c rpc \u7f16\u89e3\u7801\u540e\u7684\u6bd4\u8f83\u7ed3\u679c\uff1a,\u8fd9\u6bb5\u4ee3\u7801\u5c06\u81ea\u5b9a\u4e49\u9519\u8bef myerror \u7f16\u7801\uff0c\u7136\u540e\u89e3\u7801\u3002\u89e3\u7801\u540e\uff0c\u4f7f\u7528 errors.is \u6bd4\u8f83\u9519\u8bef\u662f\u5426\u76f8\u540c\u3002\u7ed3\u679c\u662f false\u3002\u8fd9\u662f\u56e0\u4e3a\u7f16\u7801\u548c\u89e3\u7801\u8fc7\u7a0b\u4f1a\u4fee\u6539\u9519\u8bef\u7684\u5e95\u5c42\u7c7b\u578b\u3002,\u56e0\u6b64\uff0c\u76f4\u63a5\u6bd4\u8f83\u9519\u8bef\u7c7b\u578b\u5e76\u4e0d\u662f\u4e00\u79cd\u53ef\u9760\u7684\u65b9\u6cd5\u3002\u5efa\u8bae\u4f7f\u7528\u9519\u8bef\u7f16\u7801\u6216\u6d88\u606f\u8fdb\u884c\u6bd4\u8f83\uff0c\u4ee5\u786e\u4fdd\u5728\u4e0d\u540c\u7684\u4e0a\u4e0b\u6587\u4e2d\u4e5f\u80fd\u6b63\u786e\u6bd4\u8f83\u9519\u8bef\u3002,\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGo RPC \u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u9519\u8bef\u6bd4\u8f83\uff1a\u4e3a\u4f55 errors.Is \u65e0\u6cd5\u51c6\u786e\u8bc6\u522b\u76f8\u540c\u9519\u8bef\uff1f \u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~GOLANG\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03GOLANG\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01,go rpc \u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u7684\u9519\u8bef\u6bd4\u8f83,\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aGo RPC \u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u9519\u8bef\u6bd4\u8f83\uff1a\u4e3a\u4f55 errors.Is \u65e0\u6cd5\u51c6\u786e\u8bc6\u522b\u76f8\u540c\u9519\u8bef\uff1f \u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\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>Go RPC \u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u9519\u8bef\u6bd4\u8f83\uff1a\u4e3a\u4f55 errors.Is \u65e0\u6cd5\u51c6\u786e\u8bc6\u522b\u76f8\u540c\u9519\u8bef\uff1f <\/span><\/p>\n<h1>Go RPC \u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u9519\u8bef\u6bd4\u8f83\uff1a\u4e3a\u4f55 errors.Is \u65e0\u6cd5\u51c6\u786e\u8bc6\u522b\u76f8\u540c\u9519\u8bef\uff1f <\/h1>\n<p><span>2024-11-13 14:40:11<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300aGo RPC \u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u9519\u8bef\u6bd4\u8f83\uff1a\u4e3a\u4f55 errors.Is \u65e0\u6cd5\u51c6\u786e\u8bc6\u522b\u76f8\u540c\u9519\u8bef\uff1f \u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.17golang.com\/uploads\/20241113\/1731479995673449bbd81b0.jpg\" class=\"aligncenter\"><\/p>\n<p><strong>go rpc \u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u7684\u9519\u8bef\u6bd4\u8f83<\/strong><\/p>\n<p>\u5728\u4f7f\u7528 go rpc \u65f6\uff0c\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u8fd4\u56de\u7684\u9519\u8bef\u7c7b\u578b\u53ef\u80fd\u4e0d\u76f8\u540c\u3002\u4f8b\u5982\uff0c\u5ba2\u6237\u7aef\u53ef\u80fd\u8fd4\u56de gorm.errrecordnotfound \u9519\u8bef\uff0c\u800c\u670d\u52a1\u7aef\u8fd4\u56de\u76f8\u540c\u7684\u9519\u8bef\u7c7b\u578b\u65f6\uff0c\u4f7f\u7528 errors.is \u6bd4\u8f83\u540e\u5374\u5f97\u5230 false\u3002<\/p>\n<p>\u8981\u901a\u8fc7 errors.is \u6765\u6bd4\u8f83\u9519\u8bef\uff0c\u9700\u8981\u6df1\u5165\u7406\u89e3 errors.is \u7684\u672c\u8d28\u3002errors.is \u6bd4\u8f83\u7684\u662f\u9519\u8bef\u662f\u5426 &#8220;\u540c\u6e90&#8221;\uff0c\u5373\u6bd4\u8f83\u5305\u88c5\u540e\u7684\u9519\u8bef\u662f\u5426\u5c5e\u4e8e\u6e90\u9519\u8bef\u3002<\/p>\n<p>\u5728 rpc \u4e2d\uff0c\u7f16\u7801\u548c\u89e3\u7801\u8fc7\u7a0b\u53ef\u80fd\u4f1a\u4fee\u6539\u9519\u8bef\u7c7b\u578b\u3002\u4e0b\u9762\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4ee3\u7801\u793a\u4f8b\uff0c\u5c55\u793a\u4e86 errors.is \u5728\u8fdb\u884c rpc \u7f16\u89e3\u7801\u540e\u7684\u6bd4\u8f83\u7ed3\u679c\uff1a<\/p>\n<pre>package main\n\nimport (\n    \"bytes\"\n    \"encoding\/gob\"\n    \"errors\"\n    \"fmt\"\n    \"log\"\n)\n\ntype MyError struct {\n    Msg string\n}\n\nfunc (m MyError) Error() string {\n    return m.Msg\n}\n\nfunc main() {\n    input := []byte{29, 255, 129, 3, 1, 1, 7, 77, 121, 69, 114, 114, 111, 114, 1, 255, 130, 0, 1, 1, 1, 3, 77, 115, 103, 1, 12, 0, 0, 0, 8, 255, 130, 1, 3, 116, 116, 116, 0}\n    buf := bytes.NewBuffer(input)\n    dec := gob.NewDecoder(buf)\n\n    m := MyError{}\n\n    if err := dec.Decode(&amp;amp;m); err != nil {\n        log.Fatal(err)\n    }\n\n    fmt.Println(\"error msg is:\", m)\n\n    fmt.Println(errors.Is(m, MyError{}))\n}<\/pre>\n<p>\u8fd9\u6bb5\u4ee3\u7801\u5c06\u81ea\u5b9a\u4e49\u9519\u8bef myerror \u7f16\u7801\uff0c\u7136\u540e\u89e3\u7801\u3002\u89e3\u7801\u540e\uff0c\u4f7f\u7528 errors.is \u6bd4\u8f83\u9519\u8bef\u662f\u5426\u76f8\u540c\u3002\u7ed3\u679c\u662f false\u3002\u8fd9\u662f\u56e0\u4e3a\u7f16\u7801\u548c\u89e3\u7801\u8fc7\u7a0b\u4f1a\u4fee\u6539\u9519\u8bef\u7684\u5e95\u5c42\u7c7b\u578b\u3002<\/p>\n<p>\u56e0\u6b64\uff0c\u76f4\u63a5\u6bd4\u8f83\u9519\u8bef\u7c7b\u578b\u5e76\u4e0d\u662f\u4e00\u79cd\u53ef\u9760\u7684\u65b9\u6cd5\u3002\u5efa\u8bae\u4f7f\u7528\u9519\u8bef\u7f16\u7801\u6216\u6d88\u606f\u8fdb\u884c\u6bd4\u8f83\uff0c\u4ee5\u786e\u4fdd\u5728\u4e0d\u540c\u7684\u4e0a\u4e0b\u6587\u4e2d\u4e5f\u80fd\u6b63\u786e\u6bd4\u8f83\u9519\u8bef\u3002<\/p>\n<p>\u7ec8\u4e8e\u4ecb\u7ecd\u5b8c\u5566\uff01\u5c0f\u4f19\u4f34\u4eec\uff0c\u8fd9\u7bc7\u5173\u4e8e\u300aGo RPC \u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef\u9519\u8bef\u6bd4\u8f83\uff1a\u4e3a\u4f55 errors.Is \u65e0\u6cd5\u51c6\u786e\u8bc6\u522b\u76f8\u540c\u9519\u8bef\uff1f \u300b\u7684\u4ecb\u7ecd\u5e94\u8be5\u8ba9\u4f60\u6536\u83b7\u591a\u591a\u4e86\u5427\uff01\u6b22\u8fce\u5927\u5bb6\u6536\u85cf\u6216\u5206\u4eab\u7ed9\u66f4\u591a\u9700\u8981\u5b66\u4e60\u7684\u670b\u53cb\u5427~GOLANG\u516c\u4f17\u53f7\u4e5f\u4f1a\u53d1\u5e03GOLANG\u76f8\u5173\u77e5\u8bc6\uff0c\u5feb\u6765\u5173\u6ce8\u5427\uff01<\/p>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   Java \u4e2d Object \u7c7b\u6709\u54ea\u4e9b\u5e38\u7528\u65b9\u6cd5\uff1f\n <\/dd>\n<\/dl>\n<dl>\n<dt>\n <\/dt>\n<dd>\n   \u5982\u4f55\u6e05\u9664\u6570\u636e\u5e93\u4e2d\u7279\u5b9a\u5b57\u6bb5\u76f8\u540c\u4f46\u7279\u5b9a\u5217\u4e3a\u7a7a\u7684\u884c\uff1f\n <\/dd>\n<\/dl>\n","protected":false},"excerpt":{"rendered":"<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00&#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-206501","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206501","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=206501"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/206501\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=206501"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=206501"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=206501"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}