1、

IRowMapper<UserDto> addressMapper = MapBuilder<UserDto>
.MapAllProperties()
.Map(p => p.Gender)
.WithFunc(rec => rec.IsDBNull(rec.GetOrdinal("gender"))
? Gender.Female
: Gender.Male)
.Build();

或者:

IRowMapper<UserDto> addressMapper = MapBuilder<UserDto>
.MapAllProperties()
.Map(p => p.Gender)
.WithFunc(rec => (Gender)Enum.ToObject(typeof(Gender), rec.GetOrdinal("gender"))) .Build();
05-11 11:37