yichael_smartbowtv/Assets/JC/Singleton.cs

// <summary>
// 单例创建器
// </summary>
public class Singleton<T> where T : class, new()
{
    private static T _ins;
    public static T ins
    {
        get
        {
            if (_ins == null)
            {
                _ins = new T();
            }
            return _ins;
        }
    }
}