[Ctrl+S]组合键：保存
[ALT+F4]组合键：退出
[Ctrl+Z] 组合键：复原
[Ctrl+Shift+Z] 组合键：重做
[Ctrl+X] 组合键：剪切
[Ctrl+C] 组合键：拷贝
[Ctrl+V] 组合键：粘贴
[Ctrl+F] 组合键：查找
[Ctrl+H] 组合键：替换
[Ctrl+G] 组合键：定位
