package main

import (
    "fmt"
    "reflect"
)

type Company struct {
    Title string
    Address string
}

type Person struct {
    Name string
    Age  int
    Company
}

func (p Person) GetName() string {
    return p.Name
}
func (p Person) SetName(s string) {
    p.Name = s
}
func main() {
    var iii interface{}
    a := &Person{Name: "xiao qiang.....", Age: 1, Company: Company{
            Title:  "AriesDevil",
            Address: "ariesdevil@xxoo.com",
        }}
    iii = a
    t := reflect.TypeOf(*a) //必須取值，否則類型為空
    fmt.Println(iii,t,t.Name())

    v := reflect.ValueOf(iii).Elem() //a需要是引用&
    fmt.Println(v, v.Type())

    //k := v.Type()
    //for i := 0; i < v.NumField(); i++ {
    //  key := k.Field(i)
    //  val := v.Field(i)
    //  fmt.Println(key.Name, val.Type(), val.Interface())
    //}

    //for i := 0; i < v.NumMethod(); i++ {
    //  key := k.Method(i)
    //  val := v.Method(i)
    //  fmt.Println(key.Name, val.Type(), val.Interface())
    //}
    //v.FieldByName("Name").Set(reflect.ValueOf("Name"))
    //fmt.Println(a.Name)

    //方法一：通過反射調(diào)用方法
    name := v.MethodByName("GetName").Call([]reflect.Value{})
    fmt.Println(name,"....")

    //方法二：通過反射調(diào)用方法，零值
    vc := reflect.New(v.Type())
    method := vc.MethodByName("GetName")
    //in := make([]reflect.Value, 0)
    result := method.Call([]reflect.Value{})
    fmt.Println(result)
}

參考：
http://studygolang.com/articles/1251