feat: 更新根网管节点处理逻辑，支持无OMC情况

src/views/monitor/topology/index.vue

@@ -64,10 +64,50 @@ function fnGetList(refresh: boolean = false) {
         Array.isArray(res.data) &&
         res.data.length > 0
       ) {
-        // 根网管
-        let rootNodeInfo = { neName: 'OMC_001' };
         const nodes = [];
         const edges = [];
+
+        // 根网管
+        let rootNodeInfo = {
+          neName: 'ROOT',
+          serverState: {
+            online: true,
+          },
+        };
+        // 处理没有OMC的情况
+        const omcFilter = res.data.filter(v => v.neType === 'OMC');
+        if (omcFilter.length === 1) {
+          rootNodeInfo.neName = omcFilter[0].neName;
+        } else {
+          nodes.unshift({
+            id: rootNodeInfo.neName,
+            label: rootNodeInfo.neName,
+            info: rootNodeInfo,
+            labelCfg: {
+              position: 'bottom',
+              offset: 8,
+              style: {
+                fill: '#fff',
+                fontSize: 14,
+              },
+            },
+            size: 60,
+            icon: {
+              x: -30,
+              y: -30,
+              // 可更换为其他图片地址
+              img: parseBasePath('/svg/service_db.svg'),
+              width: 60,
+              height: 60,
+            },
+          });
+          edges.push({
+            source: rootNodeInfo.neName,
+            target: rootNodeInfo.neName,
+            label: `${rootNodeInfo.neName}-${rootNodeInfo.neName}`,
+          });
+        }
+
         for (const item of res.data) {
           item.serverState = {};
           // 节点
@@ -96,7 +136,6 @@ function fnGetList(refresh: boolean = false) {
                   height: 60,
                 },
               });
-              !rootNodeInfo.neName && (rootNodeInfo = item);
             } else {
               nodes.push({
                 id: item.neName,