golang struct 转 map | web开发笔记
package main
import (
"fmt"
"reflect"
"github.com/mitchellh/mapstructure"
)
type User struct {
Name string `json:"name"`
IsAdmin bool `json:"is_admin"`
}
func MapToStruct() {
mapInstance := make(map[string]interface{})
mapInstance["Name"] = "Nick"
mapInstance["IsAdmin"] = true
var user User
if err := mapstructure.Decode(mapInstance, &user); err != nil {
fmt.Println(err)
}
fmt.Println("struct:", user)
}
func StructToMap(obj interface{}) map[string]interface{} {
t := reflect.TypeOf(obj)
v := reflect.ValueOf(obj)
var data = make(map[string]interface{})
for i := 0; i < t.NumField(); i++ {
data[t.Field(i).Name] = v.Field(i).Interface()
}
return data
}
func main() {
MapToStruct()
user := User{"Nick", true}
userMap := StructToMap(user)
fmt.Println("userMap:", userMap)
}