refactor: Directly swap variable values (#1970)

Signed-off-by: cuishuang <imcusg@gmail.com>

api/handler/eventLog.go

@@ -193,9 +193,7 @@ func bubSort(d []api_model.MessageData) []api_model.MessageData {
 	for i := 0; i < len(d); i++ {
 		for j := i + 1; j < len(d); j++ {
 			if d[i].Unixtime > d[j].Unixtime {
-				temp := d[i]
-				d[i] = d[j]
-				d[j] = temp
+				d[i], d[j] = d[j], d[i]
 			}
 		}
 	}

api/model/tenantResourceModel.go

@@ -62,9 +62,7 @@ func (list TenantResList) Less(i, j int) bool {
 }
 
 func (list TenantResList) Swap(i, j int) {
-	temp := list[i]
-	list[i] = list[j]
-	list[j] = temp
+	list[i], list[j] = list[j], list[i]
 }
 
 //TenantAndResource tenant and resource strcut

eventlog/store/new_monitor_message_store.go

@@ -367,9 +367,7 @@ func (m *MonitorMessageList) Less(i, j int) bool {
 
 // Swap 交换索引为 i 和 j 的元素
 func (m *MonitorMessageList) Swap(i, j int) {
-	tmp := (*m)[i]
-	(*m)[i] = (*m)[j]
-	(*m)[j] = tmp
+	(*m)[i], (*m)[j] = (*m)[j], (*m)[i]
 }
 
 //Pop Pop