CN-153 fix: 修复二级下拉列表加载过程中显示no data字样的问题

src/components/charts/PieTable.vue

@@ -12,7 +12,11 @@
       :size="'mini'"
       :height="'100%'">
     <el-table-column type="expand" :min-width="'5%'">
-      <template #default="props" style="height: auto">
+      <template #default="props">
+        <div style="position: relative">
+          <div class="chart__loading" style="top: 0; height: 100%; z-index: 1;" v-show="loading">
+            <i class="el-icon-loading"></i>
+          </div>
           <el-table
               tooltip-effect="light"
               class="expand-table"
@@ -46,6 +50,7 @@
             </span>
             </el-table-column>
           </el-table>
+        </div>
       </template>
     </el-table-column>
     <el-table-column
@@ -166,11 +171,13 @@ export default {
           prop: 'bytes',
           width: '18%'
         }
-      ]
+      ],
+      loading: true
     }
   },
   methods: {
     currentChange (row, expandedRows) {
+      this.loading = true
       this.childrenTableData = []
       if (this.expandRowKeys[0] && (row.domain === this.expandRowKeys[0])) {
         this.expandRowKeys = []
@@ -191,6 +198,7 @@ export default {
             this.childrenTableData = response2.data.result
           }
         }).finally(() => {
+          this.loading = false
         })
       }, 500)
     },

src/views/charts/Chart.vue

@@ -611,7 +611,6 @@ export default {
             this.singleValue.icon = chartParams.icon
             const gotData = new Promise(resolve => {
               if (chartParams.dataKey) {
-                console.info(this.parentData, chartParams)
                 if (this.parentData && this.parentData[chartParams.dataKey]) {
                   this.singleValue.value = this.parentData[chartParams.dataKey]
                 } else {