{"id":208161,"date":"2025-07-08T15:43:12","date_gmt":"2025-07-08T07:43:12","guid":{"rendered":"https:\/\/server.hk\/cnblog\/208161\/"},"modified":"2025-07-08T15:43:12","modified_gmt":"2025-07-08T07:43:12","slug":"%e8%a7%a3%e7%bb%84-xml%ef%bc%9a%e6%a0%b9%e6%8d%ae%e5%b1%9e%e6%80%a7%e5%80%bc%e4%bd%bf%e7%94%a8%e4%b8%8d%e5%90%8c%e7%9a%84%e7%9b%ae%e6%a0%87%e7%b1%bb%e5%9e%8b","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/208161\/","title":{"rendered":"\u89e3\u7ec4 XML\uff1a\u6839\u636e\u5c5e\u6027\u503c\u4f7f\u7528\u4e0d\u540c\u7684\u76ee\u6807\u7c7b\u578b"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u89e3\u7ec4 XML\uff1a\u6839\u636e\u5c5e\u6027\u503c\u4f7f\u7528\u4e0d\u540c\u7684\u76ee\u6807\u7c7b\u578b<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-29 18:18:35<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u5404\u4f4d\u5c0f\u4f19\u4f34\u4eec\uff0c\u5927\u5bb6\u597d\u5440\uff01\u770b\u770b\u4eca\u5929\u6211\u53c8\u7ed9\u5404\u4f4d\u5e26\u6765\u4e86\u4ec0\u4e48\u6587\u7ae0\uff1f\u672c\u6587\u6807\u9898\u662f<\/span>\u300a\u89e3\u7ec4 XML\uff1a\u6839\u636e\u5c5e\u6027\u503c\u4f7f\u7528\u4e0d\u540c\u7684\u76ee\u6807\u7c7b\u578b\u300b<\/span>\uff0c\u5f88\u660e\u663e\u662f\u5173\u4e8eGolang<\/span>\u7684\u6587\u7ae0\u54c8\u54c8\u54c8\uff0c\u5176\u4e2d\u5185\u5bb9\u4e3b\u8981\u4f1a\u6d89\u53ca\u5230<\/span>\u7b49\u7b49\uff0c\u5982\u679c\u80fd\u5e2e\u5230\u4f60\uff0c\u89c9\u5f97\u5f88\u4e0d\u9519\u7684\u8bdd\uff0c\u6b22\u8fce\u5404\u4f4d\u591a\u591a\u70b9\u8bc4\u548c\u5206\u4eab\uff01<\/span><\/p>\n

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

\u6211\u60f3\u4f7f\u7528\u4e0d\u540c\u7684\u7c7b\u578b\u6839\u636e\u5176\u7236\u8282\u70b9\u7684\u540d\u79f0\u5c5e\u6027\u6765\u89e3\u7ec4\u5b50\u8282\u70b9\u7684 xml \u5185\u5bb9\u3002<\/p>\n

\u5728\u4e0b\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u6709 2 \u4e2a\u5177\u6709\u5c5e\u6027\u201capple\u201d\u548c\u201cpeach\u201d\u7684\u5b50\u8282\u70b9\u3002\u5f53\u5c5e\u6027\u4e3a \"apple\"<\/code> \u65f6\uff0c\u6211\u60f3\u4f7f\u7528 apple<\/code> \u7c7b\u578b\uff1b\u5f53\u5c5e\u6027\u4e3a \"peach\"<\/code> \u65f6\uff0c\u6211\u60f3\u4f7f\u7528 peach<\/code> \u7c7b\u578b\u3002\u57fa\u672c\u4e0a apple<\/code> \u548c peach<\/code> \u5177\u6709\u975e\u5e38\u4e0d\u540c\u7684\u7ed3\u6784\uff0c\u6240\u4ee5\u8fd9\u5c31\u662f\u573a\u666f\u3002\u6211\u5c06\u5982\u4f55\u5b9e\u73b0\u8fd9\u4e00\u70b9\u6216\u5efa\u8bae\u7684\u65b9\u6cd5\u662f\u4ec0\u4e48\uff1f<\/p>\n

\u8fd9\u662f\u5305\u542b\u95ee\u9898\u57fa\u672c\u8bbe\u7f6e\u7684\u6f14\u793a\u3002 <\/p>\n

<element>\n    <node name=\"apple\">\n        <apple>\n            <color>red<color>\n        <\/apple>\n    <\/node>\n    <node name=\"peach\"> \n        <peach>\n            <size>medium<\/size>\n        <\/peach>\n    <\/node>\n<\/element>\n<\/pre>\n
var x = `...` \/\/ xml\ntype Element struct {\n    Nodes []struct{\n        Name string `xml:\"name,attr\"`\n    } `xml:\"node\"`\n    Apple Apple\n    Peach Peach\n}\ntype Apple struct { \/\/ use this struct if name is \"apple\"\n    Color string \n} \ntype Peach struct { \/\/ use this struct if name is \"peach\"\n    Size string\n}\nfunc main() {\n    e := Element{}\n    err := xml.Unmarshal([]byte(x), &e)\n    if err != nil {\n        panic(err)\n    }   \n    fmt.Println(e.Apple.Color)\n    fmt.Println(e.Peach.Size\n}\n<\/pre>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u60a8\u53ef\u4ee5\u7b80\u5355\u5730\u8fed\u4ee3 element<\/code> \u7c7b\u578b\u7684\u8282\u70b9\uff0c\u5e76\u901a\u8fc7\u6253\u5f00 name<\/code> \u5c5e\u6027\u6765\u521b\u5efa apple<\/code> \u548c peach<\/code> \u7ed3\u6784\uff1a<\/p>\n
    for _, element := range e.nodes {\n        switch element.name {\n        case \"apple\":\n            apples = append(apples, apple{})\n        case \"peach\":\n            peaches = append(peaches, peach{})\n        }\n    }\n<\/pre>\n
\u3002<\/p>\n
\u53e6\u4e00\u4e2a\u66f4\u590d\u6742\u7684\u89e3\u51b3\u65b9\u6848\uff08\u4f46\u4e5f\u66f4\u4f18\u96c5\u548c\u5b9e\u7528\uff09\u662f\u5728 element<\/code> \u7c7b\u578b\u4e0a\u5b9e\u73b0\u60a8\u81ea\u5df1\u7684 unmarshalxml<\/code> \u65b9\u6cd5\uff0c\u8fd9\u5c06\u76f4\u63a5\u7528\u6b63\u786e\u7684\u7c7b\u578b\u586b\u5145\u5b83\uff1a<\/p>\n
type apple struct {\n    color string\n}\ntype peach struct {\n    size string\n}\n\ntype fruits struct {\n    apples  []apple\n    peaches []peach\n}\n\ntype element struct {\n    xmlname xml.name `xml:\"element\"`\n    nodes   []struct {\n        name  string `xml:\"name,attr\"`\n        apple struct {\n            color string `xml:\"color\"`\n        } `xml:\"apple\"`\n        peach struct {\n            size string `xml:\"size\"`\n        } `xml:\"peach\"`\n    } `xml:\"node\"`\n}\n\nfunc (f *fruits) unmarshalxml(d *xml.decoder, start xml.startelement) error {\n    var element element\n    d.decodeelement(&element, &start)\n\n    for _, el := range element.nodes {\n        switch el.name {\n        case \"apple\":\n            f.apples = append(f.apples, apple{\n                color: el.apple.color,\n            })\n        case \"peach\":\n            f.peaches = append(f.peaches, peach{\n                size: el.peach.size,\n            })\n        }\n    }\n\n    return nil\n}\n\nfunc main() {\n    f := fruits{}\n\n    err := xml.unmarshal([]byte(x), &f)\n    if err != nil {\n        panic(err)\n    }\n\n    fmt.println(\"apples:\", f.apples)\n    fmt.println(\"peaches\", f.peaches)\n}\n<\/pre>\n<\/p>\n
\u7ed3\u679c\uff1a<\/p>\n
Apples: [{red}]\nPeaches [{medium}]<\/pre>\n
\u4ee5\u4e0a\u5c31\u662f\u300a\u89e3\u7ec4 XML\uff1a\u6839\u636e\u5c5e\u6027\u503c\u4f7f\u7528\u4e0d\u540c\u7684\u76ee\u6807\u7c7b\u578b\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\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-208161","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208161","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=208161"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/208161\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=208161"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=208161"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=208161"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}