https://blog.youkuaiyun.com/jimy1zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/jimy1/article/details/170201368https://blog.youkuaiyun.com/jimy1/article/details/170201368jimy1Fri, 06 Nov 2026 23:11:14 +0800https://blog.youkuaiyun.com/jimy1/article/details/170054478https://blog.youkuaiyun.com/jimy1/article/details/170054478jimy1Wed, 04 Nov 2026 23:37:24 +0800https://blog.youkuaiyun.com/jimy1/article/details/170053898https://blog.youkuaiyun.com/jimy1/article/details/170053898jimy1Wed, 04 Nov 2026 22:37:02 +0800https://blog.youkuaiyun.com/jimy1/article/details/169855050https://blog.youkuaiyun.com/jimy1/article/details/169855050jimy1Tue, 03 Nov 2026 02:35:08 +0800https://blog.youkuaiyun.com/jimy1/article/details/169853172https://blog.youkuaiyun.com/jimy1/article/details/169853172jimy1Tue, 03 Nov 2026 02:20:33 +0800https://blog.youkuaiyun.com/jimy1/article/details/169650830https://blog.youkuaiyun.com/jimy1/article/details/169650830jimy1Sun, 01 Nov 2026 21:47:26 +0800https://blog.youkuaiyun.com/jimy1/article/details/169648887https://blog.youkuaiyun.com/jimy1/article/details/169648887jimy1Sat, 31 Oct 2026 15:27:14 +0800https://blog.youkuaiyun.com/jimy1/article/details/169648316https://blog.youkuaiyun.com/jimy1/article/details/169648316jimy1Sat, 31 Oct 2026 15:10:05 +0800https://blog.youkuaiyun.com/jimy1/article/details/169171338https://blog.youkuaiyun.com/jimy1/article/details/169171338jimy1Tue, 27 Oct 2026 00:21:45 +0800https://blog.youkuaiyun.com/jimy1/article/details/169070698https://blog.youkuaiyun.com/jimy1/article/details/169070698jimy1Mon, 26 Oct 2026 22:43:20 +0800https://blog.youkuaiyun.com/jimy1/article/details/169062432https://blog.youkuaiyun.com/jimy1/article/details/169062432jimy1Sun, 25 Oct 2026 14:05:28 +0800https://blog.youkuaiyun.com/jimy1/article/details/168985555https://blog.youkuaiyun.com/jimy1/article/details/168985555jimy1Sun, 25 Oct 2026 02:48:48 +0800https://blog.youkuaiyun.com/jimy1/article/details/168979204https://blog.youkuaiyun.com/jimy1/article/details/168979204jimy1Sat, 24 Oct 2026 23:46:48 +0800https://blog.youkuaiyun.com/jimy1/article/details/168979060https://blog.youkuaiyun.com/jimy1/article/details/168979060jimy1Sat, 24 Oct 2026 23:31:42 +0800https://blog.youkuaiyun.com/jimy1/article/details/168884661https://blog.youkuaiyun.com/jimy1/article/details/168884661jimy1Fri, 23 Oct 2026 23:58:04 +0800https://blog.youkuaiyun.com/jimy1/article/details/168884631https://blog.youkuaiyun.com/jimy1/article/details/168884631jimy1Fri, 23 Oct 2026 23:20:12 +0800https://blog.youkuaiyun.com/jimy1/article/details/168874692https://blog.youkuaiyun.com/jimy1/article/details/168874692jimy1Fri, 23 Oct 2026 15:22:52 +0800https://blog.youkuaiyun.com/jimy1/article/details/168764260https://blog.youkuaiyun.com/jimy1/article/details/168764260jimy1Thu, 22 Oct 2026 14:31:14 +0800https://blog.youkuaiyun.com/jimy1/article/details/168453904https://blog.youkuaiyun.com/jimy1/article/details/168453904jimy1Mon, 19 Oct 2026 21:48:35 +0800d 编译错误。pb->b 可访问，因 Base 声明了 b，且与 dv.b 共享同一内存。通过 static_cast(pb)->d 可访问 d，前提是 pb 确实指向 Derived 对象。虚函数可实现动态分派，但数据成员无此机制，无法“虚访问”。若对象非 Derived，强转后访问 d 会导致未定义行为（UB）。]]>https://blog.youkuaiyun.com/jimy1/article/details/168444286https://blog.youkuaiyun.com/jimy1/article/details/168444286jimy1Mon, 19 Oct 2026 21:46:10 +0800