https://blog.youkuaiyun.com/KouFieezh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/KouFiee/article/details/162699408https://blog.youkuaiyun.com/KouFiee/article/details/162699408KouFieeSun, 12 Jul 2026 09:11:11 +0800 编译器查找 func 的函数地址↓生成直接调用指令特点：地址在编译时就已确定执行时直接跳转到该地址没有任何运行时开销动态联编是指在程序执行时才将函数实现和函数调用关联起来。C++中通过基类指针或引用调用虚函数时，会在运行时根据实际对象类型选择调用哪个函数。动态联编的处理流程源代码 编译阶段p->add(10);]]>https://blog.youkuaiyun.com/KouFiee/article/details/162699180https://blog.youkuaiyun.com/KouFiee/article/details/162699180KouFieeSun, 12 Jul 2026 09:11:00 +0800(表达式) // 特点： // 1. 必须在运行时执行（需要 RTTI 支持） // 2. 必须有虚函数（多态类型） // 3. 必须是公有继承// 语法 dynamic_cast < 目标类型 >(表达式) // 特点： // 1. 必须在运行时执行（需要 RTTI 支持） // 2. 必须有虚函数（多态类型） // 3. 必须是公有继承。]]>https://blog.youkuaiyun.com/KouFiee/article/details/162698957https://blog.youkuaiyun.com/KouFiee/article/details/162698957KouFieeSun, 12 Jul 2026 09:10:41 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162698746https://blog.youkuaiyun.com/KouFiee/article/details/162698746KouFieeSun, 12 Jul 2026 09:10:28 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162698260https://blog.youkuaiyun.com/KouFiee/article/details/162698260KouFieeSun, 12 Jul 2026 09:10:14 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162684119https://blog.youkuaiyun.com/KouFiee/article/details/162684119KouFieeSat, 11 Jul 2026 07:54:42 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162684079https://blog.youkuaiyun.com/KouFiee/article/details/162684079KouFieeSat, 11 Jul 2026 07:54:24 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162684018https://blog.youkuaiyun.com/KouFiee/article/details/162684018KouFieeSat, 11 Jul 2026 07:54:10 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162672296https://blog.youkuaiyun.com/KouFiee/article/details/162672296KouFieeSat, 11 Jul 2026 07:54:00 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162672257https://blog.youkuaiyun.com/KouFiee/article/details/162672257KouFieeSat, 11 Jul 2026 07:53:49 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162672237https://blog.youkuaiyun.com/KouFiee/article/details/162672237KouFieeFri, 10 Jul 2026 08:01:25 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162672181https://blog.youkuaiyun.com/KouFiee/article/details/162672181KouFieeFri, 10 Jul 2026 08:01:12 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162672144https://blog.youkuaiyun.com/KouFiee/article/details/162672144KouFieeFri, 10 Jul 2026 08:00:58 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162672038https://blog.youkuaiyun.com/KouFiee/article/details/162672038KouFieeFri, 10 Jul 2026 08:00:50 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162671989https://blog.youkuaiyun.com/KouFiee/article/details/162671989KouFieeFri, 10 Jul 2026 08:00:39 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162670239https://blog.youkuaiyun.com/KouFiee/article/details/162670239KouFieeThu, 09 Jul 2026 09:49:05 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162672076https://blog.youkuaiyun.com/KouFiee/article/details/162672076KouFieeThu, 09 Jul 2026 09:48:51 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162670089https://blog.youkuaiyun.com/KouFiee/article/details/162670089KouFieeThu, 09 Jul 2026 09:48:26 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162669944https://blog.youkuaiyun.com/KouFiee/article/details/162669944KouFieeThu, 09 Jul 2026 09:48:05 +0800https://blog.youkuaiyun.com/KouFiee/article/details/162669811https://blog.youkuaiyun.com/KouFiee/article/details/162669811KouFieeThu, 09 Jul 2026 09:47:52 +0800