func TestStructGetAllFieldMap(ot *testing.T) {
t1 := reflect.TypeOf(&GetAllFieldT1{})
ret := kmgReflect.StructGetAllFieldMap(t1)
kmgTest.Equal(ret["A"].Index, []int{0, 0})
kmgTest.Equal(ret["B"].Index, []int{2})
kmgTest.Equal(ret["C"].Index, []int{0, 2, 2})
kmgTest.Equal(ret["D"].Index, []int{1, 1})
kmgTest.Equal(len(ret), 7)
ret = kmgReflect.StructGetAllFieldMap(reflect.TypeOf(&GetAllFieldT5{}))
kmgTest.Equal(ret["A"].Index, []int{1})
kmgTest.Equal(len(ret), 2)
}
//假设map的key类型是string,值类型不限
func StructToMap(t Transformer, in reflect.Value, out reflect.Value) (err error) {
oValType := out.Type().Elem()
oKey := reflect.New(reflect.TypeOf("")).Elem()
if out.IsNil() {
out.Set(reflect.MakeMap(out.Type())) //新建map不能使用reflect.New
}
fieldMap := kmgReflect.StructGetAllFieldMap(in.Type())
for key, field := range fieldMap {
if field.PkgPath != "" {
//忽略没有导出的字段
continue
}
iVal := in.FieldByName(key)
oVal := reflect.New(oValType).Elem()
err = t.Tran(iVal, oVal)
if err != nil {
return
}
oKey.SetString(key)
out.SetMapIndex(oKey, oVal)
}
return nil
}