邓洁: 首屏面板的loading

src/components/content/badGasInfo/BadGasInfo.vue

@@ -4,7 +4,8 @@
       :style="{ backgroundImage: 'url(' + getImageUrl(bgImage) + ')' }">
     <div class="title">有害气体</div>
     <div v-if="badGasList==null||badGasList.length===0" class="showNull">
-      暂无数据~
+      <div class="loading" v-if="loading===0"></div>
+      {{loading===0?'加载中...':'暂无数据~'}}
     </div>
     <div v-else class="info-list">
       <gas-info-item
@@ -55,7 +56,8 @@ import {getBadGasEchartsInfo} from "@/api/largeScreen";
 const props = defineProps({
   list: Array,
   badGasData: Array,
-  tunnelId: Number
+  tunnelId: Number,
+  loading: Number,
 });
 const timeList = ref(["年", "月", "日"]);
 const selectTimeButton = ref(2);