internal static class Singleton { public static readonly Singleton instance = new Singleton();} internal 安全性考虑 internal static .net 2.0语言的新特性static readonly 内存保护,保证线程安全 相关文章: 2022-12-23 2022-12-23 2021-09-26 2022-12-23 2021-09-30 2021-07-06 2021-07-05