diff --git a/utils/reflects/struct.go b/utils/reflects/struct.go new file mode 100644 index 0000000..8777274 --- /dev/null +++ b/utils/reflects/struct.go @@ -0,0 +1,42 @@ +package reflects + +import ( + "fmt" + "reflect" + "unsafe" +) + +// DeepCopy 深拷贝 +func DeepCopy[T any](src T) T { + vof := reflect.Indirect(reflect.ValueOf(src)) + tof := vof.Type() + fmt.Println(tof) + + return src +} + +// GetPtrUnExportFiled 获取指针类型的未导出字段 +func GetPtrUnExportFiled(s reflect.Value, filedIndex int) reflect.Value { + v := s.Elem().Field(filedIndex) + return reflect.NewAt(v.Type(), unsafe.Pointer(v.UnsafeAddr())).Elem() +} + +// SetPtrUnExportFiled 设置指针类型的未导出字段 +func SetPtrUnExportFiled(s reflect.Value, filedIndex int, val reflect.Value) { + v := GetPtrUnExportFiled(s, filedIndex) + v.Set(val) +} + +// Copy 拷贝 +func Copy(s reflect.Value) reflect.Value { + return reflect.NewAt(s.Type(), unsafe.Pointer(s.UnsafeAddr())).Elem() +} + +// GetPointer 获取指针 +func GetPointer[T any](src T) reflect.Value { + s := reflect.TypeOf(src) + if s.Kind() == reflect.Pointer { + return reflect.ValueOf(src) + } + return reflect.ValueOf(&src) +}