fix: alert message value调整为使用group函数

nezha-fronted/src/components/common/bottomBox/tabs/alertMessageTab.vue

@@ -538,7 +538,31 @@
         }, 1000);
       },
       promQueryParamConvert(obj) {
-        return "(" + obj.alertRule.expr + ") and (" + function(){
+        let r = "(" + obj.alertRule.expr + ")";
+        if (Object.keys(obj.labels).length > 2) {
+          r += " and " + function(){
+            let group = "(group({";
+            let by = " by (";
+
+            for (let k in obj.labels) {
+              if (k != 'alertname' && k != 'severity') {
+                group += k;
+                group += "=";
+                group += ("'" + obj.labels[k] + "',");
+                by += k;
+                by += ","
+              }
+            }
+            group = group.substring(0, group.length-1);
+            group += "})";
+            by = by.substring(0, by.length-1);
+            by += ")";
+
+            return group + by + ")";
+          }();
+        }
+        return r;
+        /*return "(" + obj.alertRule.expr + ") and (" + function(){
           let q = "{";
           for (let k in obj.labels) {
             if (k != 'alertname' && k != 'severity') {
@@ -552,7 +576,7 @@
           }
           q += "}";
           return q;
-        }() + ")";
+        }() + ")";*/
       },
       pageNo(val) {
         this.pageObj.pageNo = val;