Golang marshal动态xml元素名称 [英] Golang marshal dynamic xml element name
问题描述
Xml:
<! - 第一个元素 - >
< PERSON>
< ELEM1> ...< / ELEM1>
< ELEM2> ...< / ELEM2>
< ELEM3> ...< / ELEM3>
< ELEM4> ...< / ELEM4>
< / PERSON>
<! - 第二个元素 - >
< SENDER>
< ELEM1> ...< / ELEM1>
< ELEM2> ...< / ELEM2>
< ELEM3> ...< / ELEM3>
< ELEM4> ...< / ELEM4>
< / SENDER>
是否可以定义一个结构,以使元素名称是动态的?
类型Person结构{
XMLName字符串`xml:???`//如何使这个动态?
e1 string`xml:ELEM1`
e2 string`xml:ELEM2`
e3 string`xml:ELEM3`
e4 string`xml:ELEM4 `
}
href =http://golang.org/pkg/encoding/xml/#Marshal>文档,它表示 XMLName
字段必须是类型的 xml.Name
。
类型Person结构{
XMLName xml.Name
E1字符串`xml:ELEM1`
// ...
}
通过<$ xml.Name
的
person:= Person {
XMLName:xml.Name {Local:Person},
// ...
}
(此外,必须导出E1-E4才能包含在XML输出中)。
Playground示例: http://play.golang.org/p/bzSutFF9Bo
The xml file consists of two elements. Those elements have the same structure except for one element name. I tried to set a value to the XMLName property, but that didn't work.
Xml:
<!-- first element -->
<PERSON>
<ELEM1>...</ELEM1>
<ELEM2>...</ELEM2>
<ELEM3>...</ELEM3>
<ELEM4>...</ELEM4>
</PERSON>
<!-- second element -->
<SENDER>
<ELEM1>...</ELEM1>
<ELEM2>...</ELEM2>
<ELEM3>...</ELEM3>
<ELEM4>...</ELEM4>
</SENDER>
Is it possible to define a struct such that the element name is dynamic?
type Person struct {
XMLName string `xml:"???"` // How make this dynamic?
e1 string `xml:"ELEM1"`
e2 string `xml:"ELEM2"`
e3 string `xml:"ELEM3"`
e4 string `xml:"ELEM4"`
}
In the documentation, it says that the XMLName
field must be of type xml.Name
.
type Person struct {
XMLName xml.Name
E1 string `xml:"ELEM1"`
// ...
}
Set the element name via the Local
field of xml.Name
:
person := Person {
XMLName: xml.Name { Local: "Person" },
// ...
}
(Also, E1 - E4 must be exported in order to be included in the XML output).
Playground example: http://play.golang.org/p/bzSutFF9Bo
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