package main
import (
   "fmt"
   "github.com/gogf/gf/container/gvar"
   "github.com/gogf/gf/frame/g"
)
func main() {
   var v g.Var
   v.Set("123")
   fmt.Printf("v的類型：%T  值：%v \n", v, v) //v的類型：gvar.Var  值：{123 false}  其中false指的是并發(fā)安全開關為false
   //設置并發(fā)安全開關為true
   var vSafe = gvar.New("123", true)
   fmt.Printf("vSafe的類型：%T  值：%v \n", vSafe, vSafe) //vSafe的類型：*gvar.Var  值：123
   fmt.Println("獲取gvar的值：", v.Val()) //123
   //基本類型轉換
   fmt.Printf("v.Int()轉換后的類型：%T  值：%v \n", v.Int(), v.Int())
   fmt.Printf("v.Float64()轉換后的類型：%T  值：%v \n", v.Float64(), v.Float64())
   fmt.Printf("v.Uint()轉換后的類型：%T  值：%v \n", v.Uint(), v.Uint())
   //切片類型轉換
   fmt.Printf("v.Ints()轉換后的類型：%T  值：%v \n", v.Ints(), v.Ints())
   fmt.Printf("v.Strings()轉換后的類型：%T  值：%v \n", v.Strings(), v.Strings())
   fmt.Printf("v.Floats()轉換后的類型：%T  值：%v \n", v.Floats(), v.Floats())
}

package main
import (
   "encoding/json"
   "fmt"
   "github.com/gogf/gf/frame/g"
)
func main() {
   type Person struct {
      Name  *g.Var
      Age   *g.Var
      Hobby *g.Var
   }
   p := Person{
      Name:  g.NewVar("王中陽"),
      Age:   g.NewVar(12),
      Hobby: g.NewVar(g.Slice{"吃飯", "睡覺", "打豆豆"}),
   }
   res, _ := json.Marshal(p)
   fmt.Println("序列化結果：", string(res)) //序列化結果：{"Name":"王中陽","Age":12,"Hobby":["吃飯","睡覺","打豆豆"]}
   //反序列化
   data := []byte(`{"Name":"王中陽","Age":12,"Hobby":["吃飯","睡覺","打豆豆"]}`)
   p1 := new(Person)
   _ = json.Unmarshal(data, &p1)
   fmt.Println("反序列化結果：", p1) //反序列化結果： &{王中陽 12 ["吃飯","睡覺","打豆豆"]}
}