422

src/views/scenic/components/traffic-flow.vue

@@ -1,6 +1,13 @@
 <!-- 交通负载 -->
 <template>
-  <div class="traffic-flow" :id="id" />
+  
+  <div style="position: relative;">
+  	<div class="traffic-flow" :style="{
+			opacity:list.length?1:0,
+		}" :id="id" />
+  	<div v-if="condShow==0" class="nYong-du">加载中...</div>
+  	<div v-if="condShow==1" class="nYong-du">{{text}}</div>
+  </div>
 </template>
 
 <script setup>
@@ -13,14 +20,24 @@
     list: {
       type: Array,
       default: () => []
-    }
+    },
+	text:{
+		type: String,
+		default: '暂无数据'
+	}
   })
-
+  let condShow = ref(0)
+  let aIndex = 1
   watch(
     () => props.list,
     (val) => {
+		aIndex+=1
+		if(aIndex>=3&&!val.length){
+		   condShow.value = 1
+		}
       if (val.length) {
         setTimeout(() => {
+			condShow.value = 2
           init()
         }, 1000)
       }
@@ -126,6 +143,19 @@
 </script>
 
 <style scoped lang="scss">
+	.nYong-du{
+		position:absolute;
+		left:0;
+		top:0;
+		width: 100%;
+		height: 100%;
+		font-size:vw(18);
+		// color:#999;
+		color:#02f9fa;
+		display: flex;
+		align-items: center;
+		justify-content: center;
+	}
   .traffic-flow {
     width: vw(260);
     height: vh(300);