{"id":207383,"date":"2025-07-08T11:45:56","date_gmt":"2025-07-08T03:45:56","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207383\/"},"modified":"2025-07-08T11:45:56","modified_gmt":"2025-07-08T03:45:56","slug":"xml-%e7%bc%96%e7%bb%84%e6%97%a0%e9%9c%80-root-%e5%8d%b3%e5%8f%af%e7%94%9f%e6%88%90-xml","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207383\/","title":{"rendered":"XML \u7f16\u7ec4\u65e0\u9700 Root \u5373\u53ef\u751f\u6210 XML"},"content":{"rendered":"

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

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> XML \u7f16\u7ec4\u65e0\u9700 Root \u5373\u53ef\u751f\u6210 XML<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-22 08:27:40<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\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\u300aXML \u7f16\u7ec4\u65e0\u9700 Root \u5373\u53ef\u751f\u6210 XML\u300b<\/span>\uff0c\u8fd9\u7bc7\u6587\u7ae0\u4e3b\u8981\u4f1a\u8bb2\u5230<\/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

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

\u6211\u6b63\u5728 golang \u4e2d\u5f00\u53d1\u4e00\u4e2a rest api\uff0c\u5e76\u4e14\u80fd\u591f\u5c06\u6570\u636e\u7f16\u7ec4\u4e3a xml \u548c json\u3002\u6211\u7684\u7ed3\u6784\u6709\u591a\u4e2a\u8bb0\u5f55\uff0c\u4f46 xml \u7f16\u7ec4\u4e0d\u4f1a\u4e3a\u8fd9\u4e9b\u8bb0\u5f55\u6dfb\u52a0\u6839\u3002\u56e0\u6b64 xml \u65e0\u6548\u3002<\/p>\n

\u6211\u770b\u5230\u4e00\u4e9b\u95ee\u9898\u901a\u8fc7\u8bbe\u7f6e xmlname \u5f97\u5230\u4e86\u89e3\u51b3\uff0c\u4f46\u6211\u8ba4\u4e3a\u8fd9\u53ea\u4f1a\u5c06\u6211\u7684\u5ba2\u6237\u7c7b\u578b\u66f4\u6539\u4e3a\u5176\u4ed6\u7c7b\u578b\u3002<\/p>\n

\u6211\u4ecd\u7136\u53ef\u80fd\u5c1d\u8bd5\u6dfb\u52a0 xml \u7f16\u7ec4\u5b57\u8282\u5e76\u8fde\u63a5\u3002\u4f46\u6211\u4e0d\u786e\u5b9a\u6211\u662f\u5426\u5fc5\u987b\u8fd9\u6837\u505a\u3002<\/p>\n

\u7f16\u8f91\uff1a\u663e\u7136 xml \u5df2\u6b63\u786e\u7f16\u7ec4\uff0c\u56e0\u4e3a\u6211\u6b63\u5728\u7f16\u7ec4\u4e00\u4e2a\u5185\u90e8\u5305\u542b\u591a\u4e2a\u5bf9\u8c61\u7684\u7ed3\u6784\u3002\u7136\u540e\u7f16\u7ec4\u4e3a\u6bcf\u4e2a\u5bf9\u8c61\u521b\u5efa\u5355\u72ec\u7684 xml \u6587\u6863\u3002\u90a3\u4e48\u95ee\u9898\u662f\u5176\u4f59\u5ba2\u6237\u7aef\u53ef\u4ee5\u4f7f\u7528\u4ec0\u4e48\u6765\u4f7f\u7528\u6570\u636e\uff0c\u6216\u8005\u5728\u5176\u4f59\u54cd\u5e94\u4e2d\u53d1\u9001\u591a\u4e2a xml \u6587\u6863\u662f\u4e00\u79cd\u4e0d\u597d\u7684\u505a\u6cd5\u5417\uff1f\u6d4f\u89c8\u5668\u65e0\u6cd5\u663e\u793a\u751f\u6210\u7684 xml\u3002<\/strong><\/p>\n

\u8981\u8fd4\u56de\u5355\u4e2a xml \u6587\u6863\uff0c\u6211\u5fc5\u987b\u5c06\u5217\u8868\u653e\u5165\u4e00\u4e2a\u7ed3\u6784\u4e2d\uff0c\u7136\u540e\u53ef\u4ee5\u5bf9\u5176\u8fdb\u884c\u7f16\u7ec4\u3002\u6211\u4e0d\u786e\u5b9a\u5982\u4f55\u4ee5\u8fd9\u79cd\u65b9\u5f0f\u4f7f\u7528 sqlx \u521d\u59cb\u5316\u7ed3\u6784\u3002<\/strong><\/p>\n

\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u4e0d\u8d77\u4f5c\u7528\uff1a<\/strong><\/p>\n

type custs struct {\n    list []customer `xml:\"customer\"`\n}\n\ncusts customers.[]customer =  []customer{}<\/pre>\n
\u4ee3\u7801\uff1a<\/p>\n
package main\n\nimport (\n    \"database\/sql\"\n    json \"encoding\/json\"\n    \"encoding\/xml\"\n    \"fmt\"\n    \"net\/http\"\n)\n\ntype customer struct {\n    customerid int            `db:\"customerid\"`\n    firstname  string         `db:\"firstname\"`\n    lastname   string         `db:\"lastname\"`\n    company    sql.nullstring `db:\"company\"`\n}\n\nfunc tstsqlite(w http.responsewriter, r *http.request) {\n\n    contenttype := r.header.get(\"content-type\")\n\n    customers := []customer{}\n\n    var err error\n\n    fmt.print(\"executing query\")\n    err = chinookdb.select(&customers, \"select customerid, firstname,lastname, company from customers\")\n\n    if err != nil {\n        panic(err)\n    }\n\n    for _, g := range customers {\n        fmt.println(\"firstname:\", g.firstname, \"lastname:\", g.lastname)\n    }\n\n    var data []byte\n\n    if contenttype == \"application\/xml\" {\n        data, err = xml.marshal(customers)\n    }\n\n    if contenttype == \"application\/json\" || contenttype != \"application\/xml\" {\n        data, err = json.marshal(customers)\n    }\n\n\n    w.header().set(\"content-type\", \"application\/json\")\n    w.write(data)\n}<\/pre>\n
\u6211\u5f97\u5230\u7684\u662f\u4ee5\u4e0b xml:<\/p>\n
<customer>\n      <customerid>1<\/customerid>\n      <firstname>lu\u00eds<\/firstname>\n      <lastname>gon\u00e7alves<\/lastname>\n      <company>\n         <string>embraer - empresa brasileira de aeron\u00e1utica s.a.<\/string>\n         <valid>true<\/valid>\n      <\/company>\n   <\/customer>\n   <customer>\n      <customerid>2<\/customerid>\n      <firstname>leonie<\/firstname>\n      <lastname>k\u00f6hler<\/lastname>\n      <company>\n         <string \/>\n         <valid>false<\/valid>\n      <\/company>\n   <\/customer>\n   <customer>\n      <customerid>3<\/customerid>\n      <firstname>fran\u00e7ois<\/firstname>\n      <lastname>tremblay<\/lastname>\n      <company>\n         <string \/>\n         <valid>false<\/valid>\n      <\/company>\n   <\/customer><\/pre>\n
\u4f46\u6211\u8ba4\u4e3a\u5e94\u8be5\u662f\u8fd9\u6837\u7684\uff1a<\/p>\n
<customers>\n   <customer>\n      <customerid>1<\/customerid>\n      <firstname>lu\u00eds<\/firstname>\n      <lastname>gon\u00e7alves<\/lastname>\n      <company>\n         <string>embraer - empresa brasileira de aeron\u00e1utica s.a.<\/string>\n         <valid>true<\/valid>\n      <\/company>\n   <\/customer>\n   <customer>\n      <customerid>2<\/customerid>\n      <firstname>leonie<\/firstname>\n      <lastname>k\u00f6hler<\/lastname>\n      <company>\n         <string \/>\n         <valid>false<\/valid>\n      <\/company>\n   <\/customer>\n   <customer>\n      <customerid>3<\/customerid>\n      <firstname>fran\u00e7ois<\/firstname>\n      <lastname>tremblay<\/lastname>\n      <company>\n         <string \/>\n         <valid>false<\/valid>\n      <\/company>\n   <\/customer>\n<\/customers><\/pre>\n
\u7f16\u7ec4\u7684 json \u770b\u8d77\u6765\u662f\u6b63\u786e\u7684\uff0c\u56e0\u4e3a\u5ba2\u6237\u4f4d\u4e8e\u62ec\u53f7\u4e2d\uff1a<\/p>\n
[\n   {\n      \"CustomerID\":1,\n      \"FirstName\":\"Lu\u00eds\",\n      \"LastName\":\"Gon\u00e7alves\",\n      \"Company\":{\n         \"String\":\"Embraer - Empresa Brasileira de Aeron\u00e1utica S.A.\",\n         \"Valid\":true\n      }\n   },\n   {\n      \"CustomerID\":2,\n      \"FirstName\":\"Leonie\",\n      \"LastName\":\"K\u00f6hler\",\n      \"Company\":{\n         \"String\":\"\",\n         \"Valid\":false\n      }\n   }\n]<\/pre>\n
 <\/p>\n
\u89e3\u51b3\u65b9\u6848<\/h2>\n
 <\/p>\n
\u60a8\u5fc5\u987b\u5c06\u6b64\u5ba2\u6237\u96c6\u5408\u5305\u88c5\u5728\u53e6\u4e00\u4e2a\u7ed3\u6784\u4e2d\uff0c\u5982\u4e0b\u6240\u793a<\/p>\n
package main\n\nimport (\n    \"encoding\/xml\"\n    \"fmt\"\n    \"os\"\n)\n\nfunc main() {\n\n    type Customer struct {\n        XMLName   xml.Name `xml:\"Customer\"`\n        CustomerID int            `db:\"CustomerId\"`\n        FirstName  string         `db:\"FirstName\"`\n        LastName   string         `db:\"LastName\"`\n        Company    string `db:\"Company\"`\n    }\n\n    type Customers struct {\n        List []Customer\n    }\n\n    csts := []Customer{\n        Customer{CustomerID: 1, FirstName: \"John\", LastName: \"Doe\", Company: \"Demo Company\"},\n        Customer{CustomerID: 2, FirstName: \"John2\", LastName: \"Doe2\", Company: \"Demo Company2\"},\n    }\n\n\n    res := Customers {\n        List: csts,\n    }\n\n    output, err := xml.MarshalIndent(res, \"  \", \"    \")\n    if err != nil {\n        fmt.Printf(\"error: %v\\n\", err)\n    }\n\n    os.Stdout.Write(output)\n}<\/pre>\n
\u9ed8\u8ba4\u5b83\u53ef\u4ee5\u91c7\u7528\u6784\u9020\u7684\u540d\u79f0\u3002\u60a8\u8fd8\u53ef\u4ee5\u4f7f\u7528 xml.name \u7c7b\u578b\u81ea\u5b9a\u4e49\u540d\u79f0\u3002<\/p>\n
\u4eca\u5929\u5173\u4e8e\u300aXML \u7f16\u7ec4\u65e0\u9700 Root \u5373\u53ef\u751f\u6210 XML\u300b\u7684\u5185\u5bb9\u5c31\u4ecb\u7ecd\u5230\u8fd9\u91cc\u4e86\uff0c\u662f\u4e0d\u662f\u5b66\u8d77\u6765\u4e00\u76ee\u4e86\u7136\uff01\u60f3\u8981\u4e86\u89e3\u66f4\u591a\u5173\u4e8e\u7684\u5185\u5bb9\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-207383","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207383","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=207383"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207383\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207383"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207383"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207383"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}