https://blog.youkuaiyun.com/chengmingyang20zh-cnhttps://blog.youkuaiyun.com/https://blog.youkuaiyun.com/chengmingyang20/article/details/160509500https://blog.youkuaiyun.com/chengmingyang20/article/details/160509500chengmingyang20Sun, 26 Apr 2026 15:18:52 +0800https://blog.youkuaiyun.com/chengmingyang20/article/details/159646818https://blog.youkuaiyun.com/chengmingyang20/article/details/159646818chengmingyang20Mon, 30 Mar 2026 14:02:23 +0800https://blog.youkuaiyun.com/chengmingyang20/article/details/159356830https://blog.youkuaiyun.com/chengmingyang20/article/details/159356830chengmingyang20Sun, 22 Mar 2026 23:13:22 +0800https://blog.youkuaiyun.com/chengmingyang20/article/details/159354906https://blog.youkuaiyun.com/chengmingyang20/article/details/159354906chengmingyang20Sun, 22 Mar 2026 21:43:36 +0800https://blog.youkuaiyun.com/chengmingyang20/article/details/159086720https://blog.youkuaiyun.com/chengmingyang20/article/details/159086720chengmingyang20Sun, 15 Mar 2026 22:42:46 +0800https://blog.youkuaiyun.com/chengmingyang20/article/details/158809182https://blog.youkuaiyun.com/chengmingyang20/article/details/158809182chengmingyang20Sun, 08 Mar 2026 18:47:59 +0800 SendNotification -> SaveLog -> SayHello的相关参数1. 按钮点击了2. 发送通知3. 保存日志4. 你好，这是一个事件样例正如我们所说的，事件就相当于是委托的一个封装，实例化Button对象获得事件，实例化ButtonHander对象获得一系列方法，之后将方法绑定在事件上，同样也可以通过-=方法移除方法1. 委托是一种安全的、面向对象的方法指针，用于回调和方法传递。]]>