提交整体修改

DHSoftware/LoginWindow.cs

@@ -9,10 +9,32 @@ namespace DHSoftware
         public LoginWindow()
         {
             InitializeComponent();
+            // 关键设置：允许窗体优先接收按键事件
+            this.KeyPreview = true;
+
+            // 绑定按键事件
+            this.KeyDown += Login_KeyDown;
             button_ok.Click += Button_ok_Click;
             button_cancel.Click += Button_cancel_Click;
         }
 
+        private void Login_KeyDown(object? sender, KeyEventArgs e)
+        {
+            // 监听回车键
+            if (e.KeyCode == Keys.Enter)
+            {
+                button_ok.PerformClick(); // 触发确定按钮的点击事件
+                e.Handled = true;      // 阻止其他控件处理该按键
+            }
+
+            // 监听 ESC 键
+            if (e.KeyCode == Keys.Escape)
+            {
+                button_cancel.PerformClick(); // 触发取消按钮的点击事件
+                e.Handled = true;
+            }
+        }
+
         /// <summary>
         /// 窗体对象实例
         /// </summary>