{"id":43061,"date":"2024-12-01T11:21:40","date_gmt":"2024-12-01T03:21:40","guid":{"rendered":"https:\/\/fwq.ai\/blog\/43061\/"},"modified":"2024-12-01T11:21:40","modified_gmt":"2024-12-01T03:21:40","slug":"marshal-unmarshal-google-protobuf-any-proto-%e6%b6%88%e6%81%af","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/43061\/","title":{"rendered":"Marshal\/Unmarshal google.protobuf.Any proto \u6d88\u606f"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span>  <span>&gt;<\/span> <span>Marshal\/Unmarshal google.protobuf.Any proto \u6d88\u606f<\/span><\/p>\n<h1>Marshal\/Unmarshal google.protobuf.Any proto \u6d88\u606f<\/h1>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-29 08:03:36<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\">\u300aMarshal\/Unmarshal google.protobuf.Any proto \u6d88\u606f\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<span style=\"color: #FF6600;, Helvetica, Arial, sans-serif;font-size: 14px;background-color: #FFFFFF\"><\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u76ee\u524d\u6b63\u5728\u4f7f\u7528 grpc \u8fdb\u884c api \u901a\u4fe1\u3002\u73b0\u5728\u6211\u9700\u8981\u6211\u7684\u8bf7\u6c42\u7684\u503c\u53ef\u4ee5\u63a5\u53d7\u4efb\u4f55\u6570\u636e\u7c7b\u578b\uff0c\u65e0\u8bba\u662f <code>struct object<\/code> \u8fd8\u662f\u53ea\u662f\u4e00\u4e2a\u539f\u59cb\u6570\u636e\u7c7b\u578b\uff0c\u5982\u5355\u4e2a <code>integer<\/code>\u3001<code>string<\/code> \u6216 <code>bolean<\/code>\u3002\u6211\u5c1d\u8bd5\u4f7f\u7528 <code>google.protobuf.any<\/code> \u5982\u4e0b\uff0c\u4f46\u5f53\u6211\u60f3\u8981\u7f16\u7ec4\u548c\u89e3\u7ec4\u5b83\u65f6\u5b83\u4e0d\u8d77\u4f5c\u7528\u3002<\/p>\n<pre>message myrequest {\n    google.protobuf.any item = 1; \/\/ could be 9, \"a string\", true, false, {\"key\": value}, etc.\n}<\/pre>\n<p>\u539f\u59cb\u7f16\u8bd1\u7ed3\u679c\uff1a<\/p>\n<pre>type myrequest struct {\n    item *anypb.any `protobuf:\"bytes,1,opt,name=item,proto3\" json:\"item,omitempty\"`\n}<\/pre>\n<p>\u6211\u5c06\u901a\u8fc7 grpc \u7f16\u7ec4\u4f20\u5165\u8bf7\u6c42\u5e76\u5c06\u5176\u4f5c\u4e3a json \u5b57\u7b26\u4e32\u4fdd\u5b58\u5728\u6570\u636e\u5e93\u4e2d\uff1a<\/p>\n<pre>bytes, err = json.marshal(m.request.item)\nif err != nil {\n    return err\n}\nitemstr := string(bytes)<\/pre>\n<p>\u4f46\u662f\u5f53\u6211\u60f3\u901a\u8fc7\u4ee5\u4e0b\u65b9\u5f0f\u5c06\u5b57\u7b26\u4e32\u89e3\u7ec4\u56de <code>*anypb.any<\/code> \u65f6\uff1a<\/p>\n<pre>func getItem(itemStr string) (structpb.Value, error) {\n    var item structpb.Value\n    err := json.Unmarshal([]byte(itemStr), &amp;item)\n    \n    if err != nil {\n        return item, err\n    }\n\n    \/\/ also I've no idea on how to convert `structpb.Value` to `anypb.Any`\n    return item, nil\n}<\/pre>\n<p>\u5b83\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\uff0c\u8fd9\u4f3c\u4e4e\u662f\u56e0\u4e3a struct <code>*anypb.any<\/code> \u4e0d\u5305\u542b\u6211\u7f16\u7801\u7684 <code>item<\/code> \u5b57\u7b26\u4e32\u4e2d\u7684\u4efb\u4f55\u5b57\u6bb5\u3002\u6709\u6ca1\u6709\u6b63\u786e\u7684\u65b9\u6cd5\u6765\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\uff1f<\/p>\n<p> <\/p>\n<h2>\u6b63\u786e\u7b54\u6848<\/h2>\n<p> <\/p>\n<p>\u8003\u8651\u4f7f\u7528<\/p>\n<p>\u5728\u6587\u6863\u4e2d\uff0c\u5b83\u5c55\u793a\u4e86\u5982\u4f55\u89e3\u7ec4\u5b83\u7684\u793a\u4f8b<\/p>\n<pre>m := new(foopb.MyMessage)\nif err := any.UnmarshalTo(m); err != nil {\n    ... \/\/ handle error\n}\n... \/\/ make use of m<\/pre>\n<p>\u4ee5\u4e0a\u5c31\u662f\u300aMarshal\/Unmarshal google.protobuf.Any proto \u6d88\u606f\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u7c73\u4e91\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &gt; &gt; Marshal\/Unmarshal google.protobuf.Any proto \u6d88\u606f Marshal\/Unmarshal google.protobuf.Any proto \u6d88\u606f \u6765\u6e90\uff1astackoverflow 2024-04-29 08:03:36 0\u6d4f\u89c8 \u6536\u85cf \u5077\u5077\u52aa\u529b\uff0c\u6084\u65e0\u58f0\u606f\u5730\u53d8\u5f3a\uff0c\u7136\u540e\u60ca\u8273\u6240\u6709\u4eba\uff01\u54c8\u54c8\uff0c\u5c0f\u4f19\u4f34\u4eec\u53c8\u6765\u5b66\u4e60\u5566~\u4eca\u5929\u6211\u5c06\u7ed9\u5927\u5bb6\u4ecb\u7ecd\u300aMarshal\/Unmarshal google.protobuf.Any proto \u6d88\u606f\u300b\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u4e0d\u77e5\u9053\u5927\u5bb6\u5bf9\u5176\u90fd\u6709\u591a\u5c11\u4e86\u89e3\uff0c\u4e0b\u9762\u6211\u4eec\u5c31\u4e00\u8d77\u6765\u770b\u4e00\u5427\uff01\u5f53\u7136\uff0c\u975e\u5e38\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u8bc4\u8bba\uff0c\u7ed9\u51fa\u5408\u7406\u7684\u5efa\u8bae\uff0c\u6211\u4eec\u4e00\u8d77\u5b66\u4e60\uff0c\u4e00\u8d77\u8fdb\u6b65\uff01 \u95ee\u9898\u5185\u5bb9 \u6211\u76ee\u524d\u6b63\u5728\u4f7f\u7528 grpc \u8fdb\u884c api \u901a\u4fe1\u3002\u73b0\u5728\u6211\u9700\u8981\u6211\u7684\u8bf7\u6c42\u7684\u503c\u53ef\u4ee5\u63a5\u53d7\u4efb\u4f55\u6570\u636e\u7c7b\u578b\uff0c\u65e0\u8bba\u662f struct object \u8fd8\u662f\u53ea\u662f\u4e00\u4e2a\u539f\u59cb\u6570\u636e\u7c7b\u578b\uff0c\u5982\u5355\u4e2a integer\u3001string \u6216 bolean\u3002\u6211\u5c1d\u8bd5\u4f7f\u7528 google.protobuf.any \u5982\u4e0b\uff0c\u4f46\u5f53\u6211\u60f3\u8981\u7f16\u7ec4\u548c\u89e3\u7ec4\u5b83\u65f6\u5b83\u4e0d\u8d77\u4f5c\u7528\u3002 message myrequest { google.protobuf.any item = 1; \/\/ could be 9, &#8220;a string&#8221;, true, false, {&#8220;key&#8221;: value}, etc. } [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[17],"tags":[],"class_list":["post-43061","post","type-post","status-publish","format-standard","hentry","category-docker"],"_links":{"self":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/43061","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/comments?post=43061"}],"version-history":[{"count":0,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/posts\/43061\/revisions"}],"wp:attachment":[{"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/media?parent=43061"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/categories?post=43061"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/fwq.ai\/blog\/wp-json\/wp\/v2\/tags?post=43061"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}