golang reflect简单使用

package mainimport ("fmt""reflect")type MyStruct struct {name string}func (this *MyStruct) GetName() string {return this.name}func (this *MyStruct) SayName(name string) (string, int) {//fmt.Println(name)return "hello", 2}func main() {s := "this is string"fmt.Println(reflect.TypeOf(s))fmt.Println(reflect.ValueOf(s))fmt.Println("-------------------")var x float64 = 3.4fmt.Println(reflect.TypeOf(x))fmt.Println(reflect.ValueOf(x))fmt.Println("-------------------")a := new(MyStruct)a.name = "fjgui"fmt.Println(reflect.ValueOf(a))fmt.Println(reflect.TypeOf(a))fmt.Println(reflect.TypeOf(a).NumMethod())b := reflect.ValueOf(a).MethodByName("GetName").Call([]reflect.Value{})fmt.Println(b[0])fmt.Println("-------------------")args := []reflect.Value{reflect.ValueOf("liming")}result := reflect.ValueOf(a).MethodByName("SayName").Call(args)if len(result) > 0 {for _, resp := range result {if resp.Interface() != nil {fmt.Println(resp.Interface())}}}}

C:/Go/bin/go.exe build -i [F:/Go/src/reflect]

成功: 进程退出代码 0.

F:/Go/src/reflect/reflect.exe [F:/Go/src/reflect]

string

this is string

-------------------

float64

3.4

-------------------

&{fjgui}

*main.MyStruct

2

fjgui

-------------------

hello

2

成功: 进程退出代码 0.