xml
最后更新于：2022-04-02 02:43:36
[TOC]
## xml.Marshal / xml.MarshalIndent
```
type Address struct {
City, State string
}
type Person struct {
XMLName string `xml:"person"`
Id int `xml:"id,attr"`
FirstName string `xml:"name>first"`
LastName string `xml:"name>last"`
Age int `xml:"age"`
Height float32 `xml:"height,omitempty"`
Married bool
Address Address `xml:"address"`
Comment string `xml:",comment"`
}
v := &Person{
Id: 13,
FirstName: "John",
LastName: "Doe", Age: 42,
Address: Address{
City: "Hanga Roa",
State: "Easter Island",
},
Comment: " Need more details. ",
}
output, err := xml.MarshalIndent(v, " ", " ") // 缩进
//output, err := xml.Marshal(v) // 不缩进
if err != nil {
fmt.Printf("error: %v\n", err)
}
fmt.Printf("%+v\n", string(output))
//
//
// John
// Doe
//
// 42
// false
//
// Hanga Roa
// Easter Island
//
//
//
```
## xml.Unmarshal
```
type Email struct {
Where string `xml:"where,attr"`
Addr string
}
type Address struct {
City, State string
}
type Result struct {
XMLName xml.Name `xml:"Person"`
Name string `xml:"FullName"`
Phone string
Email []Email
Groups []string `xml:"Group>Value"`
Address
}
v := Result{Name: "none", Phone: "none"}
data := `
Grace R. Emlin
Example Inc.
gre@example.com
gre@work.com
Friends
Squash
Hanga Roa
Easter Island
`
err := xml.Unmarshal([]byte(data), &v)
if err != nil {
fmt.Printf("error: %v", err)
return
}
fmt.Printf("%+v\n", v)
// {XMLName:{Space: Local:Person} Name:Grace R. Emlin Phone:none Email:[{Where:home
// Addr:gre@example.com} {Where:work Addr:gre@work.com}] Groups:[Friends Squash] A
//ddress:{City:Hanga Roa State:Easter Island}}
```
';