{"id":207138,"date":"2025-07-08T10:42:17","date_gmt":"2025-07-08T02:42:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207138\/"},"modified":"2025-07-08T10:42:17","modified_gmt":"2025-07-08T02:42:17","slug":"go%e8%af%ad%e8%a8%80%e8%af%bb%e5%8f%96%e5%b9%b6%e5%90%88%e5%b9%b6%e4%b8%a4%e4%b8%aayaml%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207138\/","title":{"rendered":"go\u8bed\u8a00\u8bfb\u53d6\u5e76\u5408\u5e76\u4e24\u4e2aYaml\u6587\u4ef6"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> go\u8bed\u8a00\u8bfb\u53d6\u5e76\u5408\u5e76\u4e24\u4e2aYaml\u6587\u4ef6<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-20 12:24:40<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4ece\u73b0\u5728\u5f00\u59cb\uff0c\u6211\u4eec\u8981\u52aa\u529b\u5b66\u4e60\u5566\uff01\u4eca\u5929\u6211\u7ed9\u5927\u5bb6\u5e26\u6765\u300ago\u8bed\u8a00\u8bfb\u53d6\u5e76\u5408\u5e76\u4e24\u4e2aYaml\u6587\u4ef6\u300b<\/span>\uff0c\u611f\u5174\u8da3\u7684\u670b\u53cb\u8bf7\u7ee7\u7eed\u770b\u4e0b\u53bb\u5427\uff01\u4e0b\u6587\u4e2d\u7684\u5185\u5bb9\u6211\u4eec\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\u77e5\u8bc6\u70b9\uff0c\u5982\u679c\u5728\u9605\u8bfb\u672c\u6587\u8fc7\u7a0b\u4e2d\u6709\u9047\u5230\u4e0d\u6e05\u695a\u7684\u5730\u65b9\uff0c\u6b22\u8fce\u7559\u8a00\u5440\uff01\u6211\u4eec\u4e00\u8d77\u8ba8\u8bba\uff0c\u4e00\u8d77\u5b66\u4e60\uff01<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u5047\u8bbe\u6211\u4eec\u6709\u4e24\u4e2a yaml \u6587\u4ef6<\/p>\n

master.yaml<\/em><\/p>\n

someproperty: \"somevaue\"\nanotherproperty: \"anothervalue\"<\/pre>\n
override.yaml<\/em><\/p>\n
someproperty: \"overriddenvaue\"<\/pre>\n
\u662f\u5426\u53ef\u4ee5\u89e3\u7ec4\u3001\u5408\u5e76\uff0c\u7136\u540e\u5c06\u8fd9\u4e9b\u66f4\u6539\u5199\u5165\u6587\u4ef6\uff0c\u800c\u65e0\u9700\u4e3a yaml \u6587\u4ef6\u4e2d\u7684\u6bcf\u4e2a\u5c5e\u6027\u5b9a\u4e49 struct<\/code>\uff1f <\/p>\n
\u4e3b\u6587\u4ef6\u4e2d\u6709\u8d85\u8fc7 500 \u4e2a\u5c5e\u6027\uff0c\u8fd9\u4e9b\u5c5e\u6027\u5728\u6267\u884c\u65f6\u5bf9\u670d\u52a1\u4e00\u70b9\u4e5f\u4e0d\u91cd\u8981\uff0c\u56e0\u6b64\u7406\u60f3\u60c5\u51b5\u4e0b\uff0c\u6211\u80fd\u591f\u5c06\u5176\u89e3\u7ec4\u5230\u6620\u5c04\u4e2d\uff0c\u8fdb\u884c\u5408\u5e76\u5e76\u518d\u6b21\u5728 yaml \u4e2d\u5199\u5165\u4f46\u6211\u76f8\u5bf9\u8f83\u65b0\uff0c\u6240\u4ee5\u60f3\u8981\u4e00\u4e9b\u610f\u89c1\u3002<\/p>\n
\u6211\u6709\u4e00\u4e9b\u4ee3\u7801\u53ef\u4ee5\u5c06 yaml \u8bfb\u5165 interface<\/code>\uff0c\u4f46\u6211\u4e0d\u786e\u5b9a\u5408\u5e76\u4e24\u8005\u7684\u6700\u4f73\u65b9\u6cd5\u3002<\/p>\n
var masteryaml interface{}\nyamlbytes, _ := ioutil.readfile(\"master.yaml\")\nyaml.unmarshal(yamlbytes, &masteryaml)\n\nvar overrideyaml interface{}\nyamlbytes, _ = ioutil.readfile(\"override.yaml\")\nyaml.unmarshal(yamlbytes, &overrideyaml)<\/pre>\n
\u6211\u7814\u7a76\u8fc7\u50cf mergo \u8fd9\u6837\u7684\u5e93\uff0c\u4f46\u6211\u4e0d\u786e\u5b9a\u8fd9\u662f\u5426\u662f\u6b63\u786e\u7684\u65b9\u6cd5\u3002<\/p>\n
\u6211\u5e0c\u671b\u5728\u638c\u63e1\u5927\u5e08\u4e4b\u540e\u6211\u80fd\u591f\u5c06\u5c5e\u6027\u5199\u5165\u6587\u4ef6<\/p>\n
someProperty: \"overriddenVaue\"\nanotherProperty: \"anotherValue\"<\/pre>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u5047\u8bbe\u60a8\u53ea\u60f3\u5728\u9876\u5c42\u5408\u5e76\uff0c\u5219\u53ef\u4ee5\u89e3\u7ec4\u4e3a map[string]interface{}<\/code> \u7c7b\u578b\u7684\u6620\u5c04\uff0c\u5982\u4e0b\u6240\u793a\uff1a<\/p>\n
\u4e3b\u5305<\/p>\n
import (\n    \"io\/ioutil\"\n\n    \"gopkg.in\/yaml.v2\"\n)\n\nfunc main() {\n    var master map[string]interface{}\n    bs, err := ioutil.readfile(\"master.yaml\")\n    if err != nil {\n        panic(err)\n    }\n    if err := yaml.unmarshal(bs, &master); err != nil {\n        panic(err)\n    }\n\n    var override map[string]interface{}\n    bs, err = ioutil.readfile(\"override.yaml\")\n    if err != nil {\n        panic(err)\n    }\n    if err := yaml.unmarshal(bs, &override); err != nil {\n        panic(err)\n    }\n\n    for k, v := range override {\n        master[k] = v\n    }\n\n    bs, err = yaml.marshal(master)\n    if err != nil {\n        panic(err)\n    }\n    if err := ioutil.writefile(\"merged.yaml\", bs, 0644); err != nil {\n        panic(err)\n    }\n}<\/pre>\n
\u5bf9\u4e8e\u66f4\u5e7f\u6cdb\u7684\u89e3\u51b3\u65b9\u6848\uff08\u5177\u6709 n \u4e2a\u8f93\u5165\u6587\u4ef6\uff09\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528\u6b64\u51fd\u6570\u3002\u6211\u5df2\u7ecf\u4f7f\u7528@robox\u7b54\u6848\u6765\u5b8c\u6210\u6211\u7684\u89e3\u51b3\u65b9\u6848\uff1a<\/p>\n
func readvalues(filenames ...string) (string, error) {\n    if len(filenames) <= 0 {\n        return \"\", errors.new(\"you must provide at least one filename for reading values\")\n    }\n    var resultvalues map[string]interface{}\n    for _, filename := range filenames {\n\n        var override map[string]interface{}\n        bs, err := ioutil.readfile(filename)\n        if err != nil {\n            log.info(err)\n            continue\n        }\n        if err := yaml.unmarshal(bs, &override); err != nil {\n            log.info(err)\n            continue\n        }\n\n        \/\/check if is nil. this will only happen for the first filename\n        if resultvalues == nil {\n            resultvalues = override\n        } else {\n            for k, v := range override {\n                resultvalues[k] = v\n            }\n        }\n\n    }\n    bs, err := yaml.marshal(resultvalues)\n    if err != nil {\n        log.info(err)\n        return \"\", err\n    }\n\n    return string(bs), nil\n}<\/pre>\n
\u56e0\u6b64\uff0c\u5bf9\u4e8e\u8fd9\u4e2a\u793a\u4f8b\uff0c\u60a8\u5e94\u8be5\u6309\u4ee5\u4e0b\u987a\u5e8f\u8c03\u7528\u5b83\uff1a<\/p>\n
result, _ := readvalues(\"master.yaml\", \"overwrite.yaml\")<\/pre>\n
\u5982\u679c\u4f60\u6709\u4e00\u4e2a\u989d\u5916\u7684\u6587\u4ef6 newfile.yaml<\/code>\uff0c\u4f60\u4e5f\u53ef\u4ee5\u4f7f\u7528\u8fd9\u4e2a\u51fd\u6570\uff1a<\/p>\n
result, _ := ReadValues(\"master.yaml\", \"overwrite.yaml\", \"newFile.yaml\")<\/pre>\n
\u672c\u7bc7\u5173\u4e8e\u300ago\u8bed\u8a00\u8bfb\u53d6\u5e76\u5408\u5e76\u4e24\u4e2aYaml\u6587\u4ef6\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\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/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-207138","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207138","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=207138"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207138\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207138"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207138"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207138"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}