/// <summary>
/// 写入一个枚举值。
/// </summary>
/// <typeparam name="T">枚举类型</typeparam>
/// <param name="value">枚举值</param>
public void WriteEnum <T>(T value) where T : struct, Enum
{
valueCopyer.WriteEnum(value);
dataWriter.OnWriteValue(key, valueCopyer);
}