feat: 增加离线状态指示

Author: ArgoZhang

src/BootstrapBlazor/Components/NetworkMonitor/NetworkMonitorIndicator.razor.scss

@@ -20,6 +20,10 @@
     &.bb-nt-indicator-2g {
         background-color: var(--bs-danger);
     }
+
+    &.offline {
+        background-color: var(--bs-secondary) !important;
+    }
 }
 
 .bb-nt-main {

src/BootstrapBlazor/wwwroot/modules/net.js

@@ -17,7 +17,6 @@ export function init(id, options) {
                 const el = document.getElementById(indicator);
                 if (el) {
                     el.classList.remove('offline');
-                    el.classList.add('online');
                 }
             });
         }
@@ -28,7 +27,6 @@ export function init(id, options) {
             indicators.forEach(indicator => {
                 const el = document.getElementById(indicator);
                 if (el) {
-                    el.classList.remove('online');
                     el.classList.add('offline');
                 }
             });