43 lines
978 B
Go
43 lines
978 B
Go
package reflects
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import (
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"fmt"
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"reflect"
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"unsafe"
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)
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// DeepCopy 深拷贝
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func DeepCopy[T any](src T) T {
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vof := reflect.Indirect(reflect.ValueOf(src))
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tof := vof.Type()
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fmt.Println(tof)
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return src
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}
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// GetPtrUnExportFiled 获取指针类型的未导出字段
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func GetPtrUnExportFiled(s reflect.Value, filedIndex int) reflect.Value {
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v := s.Elem().Field(filedIndex)
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return reflect.NewAt(v.Type(), unsafe.Pointer(v.UnsafeAddr())).Elem()
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}
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// SetPtrUnExportFiled 设置指针类型的未导出字段
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func SetPtrUnExportFiled(s reflect.Value, filedIndex int, val reflect.Value) {
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v := GetPtrUnExportFiled(s, filedIndex)
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v.Set(val)
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}
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// Copy 拷贝
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func Copy(s reflect.Value) reflect.Value {
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return reflect.NewAt(s.Type(), unsafe.Pointer(s.UnsafeAddr())).Elem()
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}
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// GetPointer 获取指针
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func GetPointer[T any](src T) reflect.Value {
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s := reflect.TypeOf(src)
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if s.Kind() == reflect.Pointer {
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return reflect.ValueOf(src)
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}
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return reflect.ValueOf(&src)
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}
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