以下是一个使用反射将interface{}转换为struct的示例代码: go package main import ( "errors" "fmt" "reflect" ) // SetField函数通过反射设置结构体字段的值 func SetField(obj interface{}, name string, value interface{}) error { structValue := reflect.ValueOf(obj).Elem() structFieldValue := st...
funcConvertInterfaceToStruct(p PersonInterface)(Person,error) {varperson Person value := reflect.ValueOf(p)ifvalue.Kind() == reflect.Ptr && !value.IsNil() { value = value.Elem()ifvalue.Kind() == reflect.Struct { person.Name = value.FieldByName("Name").String() person.Age =int(value....
type Interfaceinterface{DoSomething()}funcDynamicImplementor(objinterface{})Interface{v:=reflect.ValueOf(obj)ifv.Kind()!=reflect.Struct{panic("Object must be a struct")}// 检查并实现接口// ...returnobj.(Interface)} JSON序列化/反序列化encoding/json包使用反射来实现JSON的序列化和反序列化,使得任...
value :=reflect.ValueOf(num)//可以理解为“强制转换”,但是需要注意的时候,转换的时候,如果转换的类型不完全符合,则直接panic//Golang 对类型要求非常严格,类型一定要完全符合//如下两个,一个是*float64,一个是float64,如果弄混,则会panicconvertPointer := pointer.Interface().(*float64) convertValue :=val...
funcCollectUserInfo(paraminterface{}){ val := reflect.ValueOf(param)switchval.Kind() {casereflect.String: fmt.Println("姓名:", val.String())casereflect.Struct: fmt.Println("姓名:", val.FieldByName("Name")) fmt.Println("年龄:", val.FieldByName("Age")) ...
ValueOf(u) Explicit(v, 0) } func Explicit(v reflect.Value, depth int) { if v.CanInterface() { t := v.Type() switch v.Kind() { case reflect.Ptr: Explicit(v.Elem(), depth) case reflect.Struct: fmt.Printf(strings.Repeat("\t", depth)+"%v %v {\n", t.Name(), t.Kind()...
rVal:=reflect.ValueOf(b) n2:=2+rVal.Int() fmt.Println("n2=",n2) fmt.Printf("rVal=%v\n rVal type=%T\n",rVal,rVal) iV:=rVal.Interface() num2:=iV.(int) fmt.Println("num2=",num2) } // Student 对struct进行反射 typeStudentstruct{ ...
type T struct { A int B string } t := T{23, "skidoo"} s := reflect.ValueOf(&t).Elem() typeOfT := s.Type() for i := 0; i < s.NumField(); i++ { f := s.Field(i) fmt.Printf("%d: %s %s = %v\n", i, typeOfT.Field(i).Name, f.Type(), f.Interface()) }...
(int(0)),Tag:`json:"test"`,},}typ:=reflect.StructOf(tmpStuct)fmt.Printf("%v\n",typ)//下面是把typ转换成[]typ slice结构tSlice:=reflect.MakeSlice(reflect.SliceOf(typ),0,0)tmp:=reflect.New(tSlice.Type()).Elem().Addr().Interface()fmt.Printf("%+v",reflect.TypeOf(tmp).Elem()...
gotypeInterfaceinterface{DoSomething()}funcDynamicImplementor(objinterface{})Interface{v:=reflect.ValueOf(obj)ifv.Kind()!=reflect.Struct{panic("Object must be a struct")}// 检查并实现接口// ...returnobj.(Interface)} JSON序列化/反序列化 ...