fix(ui): 优化网络配置校验逻辑并提示空行错误

windows/NetworkTool.Client/DeviceDetailsWindow.xaml.cs

@@ -506,7 +506,7 @@ public partial class DeviceDetailsWindow : Window
         var routes = Array.Empty<RemoteInterfaceRouteConfig>();
         if (!dhcp4)
         {
-            if (editor.Addresses.All(item => string.IsNullOrWhiteSpace(item.IP) && string.IsNullOrWhiteSpace(item.Mask)))
+            if (editor.Addresses.Count == 0)
             {
                 ShowStatusMessage($"{editor.SystemName}：IP 地址不能为空，至少需要填写一行地址。", StatusMessageType.Error);
                 return null;
@@ -525,7 +525,12 @@ public partial class DeviceDetailsWindow : Window
             }
         }
 
-        var dns = editor.Dns.Select(item => item.Address.Trim()).Where(item => item != string.Empty).ToArray();
+        if (!TryBuildDns(editor, out var dns, out var dnsError))
+        {
+            ShowStatusMessage($"{editor.SystemName}：{dnsError}", StatusMessageType.Error);
+            return null;
+        }
+
         return new RemoteInterfaceConfig
         {
             Interface = editor.SystemName,
@@ -612,13 +617,16 @@ public partial class DeviceDetailsWindow : Window
     private bool TryBuildAddresses(InterfaceEditor editor, out RemoteInterfaceAddressConfig[] addresses, out string error)
     {
         var result = new List<RemoteInterfaceAddressConfig>();
-        foreach (var row in editor.Addresses)
+        for (var i = 0; i < editor.Addresses.Count; i++)
         {
+            var row = editor.Addresses[i];
             var ip = row.IP.Trim();
             var maskText = row.Mask.Trim();
             if (ip == string.Empty && maskText == string.Empty)
             {
-                continue;
+                addresses = [];
+                error = $"第 {i + 1} 行 IP 配置为空，请填写或删除该行。";
+                return false;
             }
             if (ip.Contains('/'))
             {
@@ -651,8 +659,14 @@ public partial class DeviceDetailsWindow : Window
         }
 
         addresses = result.ToArray();
+        if (addresses.Length == 0)
+        {
+            error = "IP 地址不能为空，至少需要填写一行地址。";
+            return false;
+        }
+
         error = string.Empty;
-        return addresses.Length > 0;
+        return true;
     }
 
     private bool TryBuildRoutes(InterfaceEditor editor, out RemoteInterfaceRouteConfig[] routes, out string error)
@@ -671,14 +685,17 @@ public partial class DeviceDetailsWindow : Window
         }
         if (editor.CustomRoutesEnabled)
         {
-            foreach (var row in editor.Routes)
+            for (var i = 0; i < editor.Routes.Count; i++)
             {
+                var row = editor.Routes[i];
                 var to = row.To.Trim();
                 var maskText = row.Mask.Trim();
                 var via = row.Via.Trim();
                 if (to == string.Empty && maskText == string.Empty && via == string.Empty)
                 {
-                    continue;
+                    routes = [];
+                    error = $"自定义路由第 {i + 1} 行为空，请填写或删除该行。";
+                    return false;
                 }
                 if (to.Contains('/'))
                 {
@@ -716,6 +733,27 @@ public partial class DeviceDetailsWindow : Window
         return true;
     }
 
+    private static bool TryBuildDns(InterfaceEditor editor, out string[] dns, out string error)
+    {
+        var result = new List<string>();
+        for (var i = 0; i < editor.Dns.Count; i++)
+        {
+            var address = editor.Dns[i].Address.Trim();
+            if (address == string.Empty)
+            {
+                dns = [];
+                error = $"DNS 第 {i + 1} 行为空，请填写或删除该行。";
+                return false;
+            }
+
+            result.Add(address);
+        }
+
+        dns = result.ToArray();
+        error = string.Empty;
+        return true;
+    }
+
     private static bool TryParseAddresses(string text, out RemoteInterfaceAddressConfig[] addresses, out string error)
     {
         var result = new List<RemoteInterfaceAddressConfig>();