From 4076c14a8eac96cd716522f2cb15dcda0eb4fcef Mon Sep 17 00:00:00 2001
From: 马宇豪 <978517621@qq.com>
Date: 星期三, 10 四月 2024 08:37:53 +0800
Subject: [PATCH] 新修改

---
 src/views/monitorData/weatherData/index.vue |   49 ++++++++++++++++++++++++++++++++++++-------------
 1 files changed, 36 insertions(+), 13 deletions(-)

diff --git a/src/views/monitorData/weatherData/index.vue b/src/views/monitorData/weatherData/index.vue
index b76f938..d760617 100644
--- a/src/views/monitorData/weatherData/index.vue
+++ b/src/views/monitorData/weatherData/index.vue
@@ -38,8 +38,8 @@
                     </el-button>
                 </el-form>
             </div>
-            <div id="gasChart" style="height: 500px;width: auto"></div>
-            <el-table :data="state.tableData.data" style="width: 100%;margin-top: 20px">
+            <div :id="weatherChart" style="height: 500px;width: auto"></div>
+            <el-table :data="state.tableData.data" style="width: 100%;margin-top: 20px" v-loading="loading">
                 <el-table-column type="index" label="序号" width="80" />
                 <el-table-column align="center" prop="time" label="采集时间"/>
                 <el-table-column align="center" prop="value" :label='weatherName' />
@@ -108,11 +108,13 @@
         ]
     }
 });
+const loading = ref(false);
 const weatherName = ref('温度');
 const dataZoomEnd = ref();
 const xData = ref([]);
 const yData = ref([]);
 const myChart = shallowRef(null)
+const weatherChart = ref("eChartweatherN" + Date .now() + Math .random())
 
 const chooseTime = (val: any) => {
     console.log("val",val)
@@ -141,7 +143,6 @@
         getNowTime();
         initInfoData();
         initCharts();
-
     }
 );
 const getNowTime = () => {
@@ -161,13 +162,20 @@
     }
     let resChart = await weatherDataApi().getWeatherLineChart(chartParam);
     if(resChart.data.code == 100) {
-        xData.value = resChart.data.data.map((item: any) => {
-            return item.time;
-        })
-        yData.value = resChart.data.data.map((item: any) => {
-            return item.value;
-        })
-        dataZoomEnd.value = xData.value.length > 25 ? 5 : 100;
+        if(resChart.data.data) {
+            xData.value = resChart.data.data.map((item: any) => {
+                return item.time;
+            })
+            yData.value = resChart.data.data.map((item: any) => {
+                return item.value;
+            })
+            dataZoomEnd.value = xData.value.length > 25 ? 5 : 100;
+        }else {
+            xData.value = [];
+            yData.value = [];
+            dataZoomEnd.value = 100;
+        }
+
         initCharts();
     }else {
         ElMessage({
@@ -176,6 +184,7 @@
         });
     }
 
+    loading.value = true;
     //表格
     const pageParam = {
         pageIndex: state.tableData.listQuery.pageIndex,
@@ -192,6 +201,7 @@
         state.tableData.total = res.data.total;
         state.tableData.listQuery.pageIndex = res.data.pageIndex;
         state.tableData.listQuery.pageSize = res.data.pageSize;
+        loading.value = false;
     }else {
         ElMessage({
             type: 'warning',
@@ -216,9 +226,8 @@
 };
 
 const search = () => {
-    console.log("vla",state.tableData.listQuery.searchParams)
-    changeWeather(state.tableData.listQuery.searchParams.weatherType);
     initInfoData();
+    changeWeather(state.tableData.listQuery.searchParams.weatherType);
 }
 const reset = () => {
     getNowTime();
@@ -232,7 +241,7 @@
     if (myChart.value != null && myChart.value != "" && myChart.value != undefined) {
         myChart.value.dispose();
     }
-    myChart.value = echarts.init(document.getElementById('gasChart'));
+    myChart.value = echarts.init(document.getElementById(weatherChart.value));
     // 指定图表的配置项和数据
     const option = {
         tooltip: {
@@ -250,6 +259,20 @@
             show: true,
             type: 'value'
         },
+        graphic: {
+            type: 'text',     // 类型:文本
+            left: 'center',
+            top: 'middle',
+            silent: true,     // 不响应事件
+            invisible: yData.value.length > 0,   // 有数据就隐藏
+            style: {
+                fill: '#9d9d9d',
+                fontWeight: 'bold',
+                text: '暂无数据',
+                fontFamily: 'Microsoft YaHei',
+                fontSize: '25px'
+            }
+        },
         series: [
             {
                 data: yData.value,

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