Golang中interface{}转为数组的操作

p, ok := t.(bool)
p, ok := t.(int64)

func generate() (interface{}, bool) {
	//s := []string{"123", "345", "abc"}
	//s := 123
	s := "mmm"
	return s, true
}
func test() {
	origin, ok := generate()
	if ok {
		switch reflect.TypeOf(origin).Kind() {
		case reflect.Slice, reflect.Array:
			s := reflect.ValueOf(origin)
			for i := 0; i < s.Len(); i++ {
				fmt.Println(s.Index(i))
			}
		case reflect.String:
			s := reflect.ValueOf(origin)
			fmt.Println(s.String(), "I am a string type variable.")
		case reflect.Int:
			s := reflect.ValueOf(origin)
			t := s.Int()
			fmt.Println(t, " I am a int type variable.")
		}
	}
}

 p, ok := (Value).(user)
     if ok {
         fmt.Println("id:" + p.Id)
         fmt.Println("name:" + p.Name)
     } else {
         fmt.Println("can not convert")
     }

resByre,resByteErr:=json.Marshal(ResponseData)
 if resByteErr != nil {
  c.Data(utils.ErrorResult("读取信息失败" + resByteErr.Error()))
  return
 }
 var newData MnConfig
 jsonRes:=json.Unmarshal(resByre,&newData)
 if jsonRes != nil {
  c.Data(utils.ErrorResult("读取信息失败" + jsonRes.Error()))
  return
 }

package main 
import (
 "encoding/json"
 "fmt"
)
 
type user struct {
 Id int `json:"id"`
 Name string `json:"name"`
} 
 
func main() { 
 newUser:=user{
  Id:   1,
  Name: "杉杉",
 }
 
 var newInterface1 interface{}
 
 //第一种使用interface
 newInterface1=newUser
 fmt.Printf("使用interface: %v",newInterface1.(user))
 
 //第二种使用json
 var newInterface2 interface{}
 newInterface2=newUser
 resByre, resByteErr := json.Marshal(newInterface2)
 if resByteErr != nil {
  fmt.Printf("%v",resByteErr)
  return
 }
 var newData user
 jsonRes := json.Unmarshal(resByre, &newData)
 if jsonRes != nil {
  fmt.Printf("%v",jsonRes)
  return
 }
 fmt.Printf("使用 json: %v",newData)
 
}