历史趋势图参数修改：指标多选改为单选

src/views/govern/device/planData/index.vue

@@ -26,7 +26,7 @@
                         :name="item.id"
                         :key="index"
                     >
-                        <el-descriptions value="small" class="mb10" :column="4" border>
+                        <el-descriptions value="small" class="mb10" :column="6" border>
                             <el-descriptions-item label="测试项名称" width="160">
                                 {{ item.itemName }}
                             </el-descriptions-item>
@@ -69,13 +69,11 @@
                                 <span style="width: 140px; overflow: hidden; display: block">
                                     {{ item.startTime }}
                                 </span>
-                                <!-- {{ item.startTime }} -->
                             </el-descriptions-item>
                             <el-descriptions-item label="结束时间" width="160">
                                 <span style="width: 140px; overflow: hidden; display: block">
                                     {{ item.endTime }}
                                 </span>
-                                <!-- {{ item.endTime }} -->
                             </el-descriptions-item>
                             <el-descriptions-item label="监测位置" width="160">
                                 {{ item.location }}
@@ -98,9 +96,9 @@
             <div class="history_header">
                 <el-form :model="searchForm" class="history_select" id="history_select">
                     <el-form-item label="统计指标" label-width="80px">
+                        <!-- multiple
+                            :multiple-limit="3" -->
                         <el-select
-                            multiple
-                            :multiple-limit="3"
                             collapse-tags
                             collapse-tags-tooltip
                             v-model="searchForm.index"
@@ -205,7 +203,7 @@ const typeOptions = [
     }
 ]
 searchForm.value = {
-    index: [],
+    index: '',
     type: typeOptions[0].id,
     count: []
 }
@@ -219,7 +217,8 @@ const legendDictList: any = ref([])
 queryByCode('portable-harmonic').then(res => {
     queryCsDictTree(res.data.id).then(item => {
         indexOptions.value = item.data
-        searchForm.value.index[0] = indexOptions.value[0].id
+        // searchForm.value.index[0] = indexOptions.value[0].id
+        searchForm.value.index = indexOptions.value[0].id
     })
     queryStatistical(res.data.id).then(vv => {
         legendDictList.value = vv.data
@@ -278,11 +277,14 @@ const init = async () => {
     // 选择指标的时候切换legend内容和data数据
     let list: any = []
     legendDictList.value?.selectedList?.map((item: any) => {
-        searchForm.value.index.map((vv: any) => {
+        // searchForm.value.index.map((vv: any) => {
-            if (item.dataType == vv) {
+        // if (item.dataType == vv) {
-                list.push(item.eleEpdPqdVOS)
+        //     list.push(item.eleEpdPqdVOS)
-            }
+        // }
-        })
+        // })
+        if (item.dataType == searchForm.value.index) {
+            list.push(item.eleEpdPqdVOS)
+        }
     })
 
     //颜色数组
@@ -302,7 +304,7 @@ const init = async () => {
     ]
     if (historyDevId.value) {
         //选择的指标使用方法处理
-        initSearchFormIndexAndCount(searchForm.value.index)
+        initSearchFormIndexAndCount([searchForm.value.index])
         //查询历史趋势
         historyDataList.value = []
         loading.value = true
@@ -320,11 +322,13 @@ const init = async () => {
         } else {
             middleTitle = ''
         }
+        let indexList=[]
+        indexList=[searchForm.value.index]
         chartTitle.value = deviceData.value.itemName + '_' + middleTitle + '_'
-        searchForm.value.index.map((item: any, indexs: any) => {
+        indexList.map((item: any, indexs: any) => {
             indexOptions.value.map((vv: any) => {
                 if (vv.id == item) {
-                    chartTitle.value += indexs == searchForm.value.index.length - 1 ? vv.name : vv.name + '/'
+                    chartTitle.value += indexs == indexList.length - 1 ? vv.name : vv.name + '/'
                 }
             })
         })
@@ -333,7 +337,7 @@ const init = async () => {
             console.log(item.count, '878888888')
             lists[index] = {
                 statisticalId: item.index,
-                frequencys: item.count&& item.count.length != 0 ?[ item.count] : []
+                frequencys: item.count && item.count.length != 0 ? [item.count] : []
             }
         })
         let obj = {
@@ -362,6 +366,7 @@ const init = async () => {
                                 unitList.push(item.unit)
                             }
                         })
+                        console.log(timeList, '+++++++++++')
                         xAxis = timeList.sort((a: any, b: any) => {
                             return (
                                 a.replace('-', '').replace('-', '').replace(' ', '').replace(':', '').replace(':', '') -
@@ -761,7 +766,7 @@ const initSearchFormIndexAndCount = (list: any) => {
     }
 }
 watch(
-    () => searchForm.value.index,
+    () => [searchForm.value.index],
     (val: any, oldval: any) => {
         if (val) {
             initSearchFormIndexAndCount(val)
@@ -784,7 +789,8 @@ watch(
         immediate: true
     }
 )
-onMounted(() => {})
+onMounted(() => {
+})
 </script>
 
 <style lang="scss" scoped>