格式化json_go语言串行化、json格式化

package main
import (
    "bytes"
    "encoding/json"
    "fmt"
    "strings"
)
type User struct {
    Id   int64  `json:"id"`
    Name string `json:"name"`
}
func FormatJson(data string) string {
    var out bytes.Buffer
    json.Indent(&out, []byte(data), "", "    ")
    return out.String()
}
func SerializeToJson(data interface{}) string {
    b, _ := json.Marshal(data)
    return string(b)
}
func UnserializeFromJson(data string, result interface{}) error {
    d := json.NewDecoder(strings.NewReader(data))
    d.UseNumber()
    return d.Decode(result)
}
func FormatStruct(data interface{}) string {
    result := SerializeToJson(data)
    return FormatJson(result)
}
func main() {
    var jsonContent = `{"id":1,"name":"test"}`
    fmt.Println(FormatJson(jsonContent))
    /**/
    u := User{
        Id:   10,
        Name: "golang",
    }
    fmt.Println(SerializeToJson(u))
    /**/
    u2 := User{}
    UnserializeFromJson(jsonContent, &u2)
    fmt.Println(u2)
    /**/
    fmt.Println(FormatStruct(u2))
}