Merge branch 'master-500-dev-lushangqing' into 'master-500-dev'

告警概览 24小时趋势图加载中，增加加载logo



See merge request !511

@@ -141,6 +141,13 @@ layui.define(['admin', 'form', 'table', 'element', 'sessions', 'common', 'echart
                     }
                 }
             })
+            //lsq 数据加载完成前增加加载中显示 2022-03-31
+            alarmTrendChart.showLoading({
+                text: '数据正在加载...',
+                textStyle: { fontSize : 30 , color: '#444' },
+                color:'#1e9fff',
+                effectOption: {backgroundColor: 'rgba(0, 0, 0, 0)'}
+            });
             //24小时告警趋势图
             $.ajax({
                 url: domainName + `/api-web/bAlarm/overViewChartByType?access_token=${accessToken}&type=trend`,
@@ -344,7 +351,9 @@ layui.define(['admin', 'form', 'table', 'element', 'sessions', 'common', 'echart
                 }],
                 series: type === 'bar' ? barSeries : lineSeries
             }
-            echartObject.setOption(option)
+            echartObject.setOption(option);
+            //lsq 数据加载完成后关闭加载中显示 2022-03-31
+            echartObject.hideLoading();
         }
 
         //12个月份的数据表格