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| <template>
<section>
<!--工具条-->
<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
<el-form :inline="true" :model="filters">
<el-col :span="24">
<el-form-item label="房间">
<el-select v-model="filters.roomNo" placeholder="房间">
<el-option :value="type.no" :label="type.name" v-for="type in roomList" ></el-option>
</el-select>
</el-form-item>
<el-form-item label="设备类型">
<el-select v-model="filters.deviceTp" placeholder="设备类型">
<el-option :value="type.value" :label="type.label" v-for="type in deviceTpList" ></el-option>
</el-select>
</el-form-item>
<el-form-item label="数据类型">
<el-select v-model="filters.dataTp" @change="dataTpChange" placeholder="数据类型">
<el-option
v-for="item in dataTpList"
:key="item.value"
:label="item.label"
:value="item.value">
</el-option>
</el-select>
</el-form-item>
</el-col>
<el-col :span="24" align="center">
<el-form-item>
<el-button type="primary" v-on:click="drawLineChart">查询</el-button>
</el-form-item>
</el-col>
</el-form>
</el-col>
<!-- 统计图 -->
<el-col :span="24" class="toolbar" style="padding-bottom: 0px;">
<v-chart :options="myEchartsOption"
:init-options="initOptions"
auto-resize
style="width:100%; height:400px;"
/>
</el-col>
</section>
</template>
<script>
import util from '../../common/js/util';
import {getStatList} from "../../api/stat";
import {getDeviceTpList} from "../../api/config";
import {getRoomList} from "../../api/room";
//导入v-charts
import Echarts from 'vue-echarts'
import 'echarts/lib/chart/line'
export default {
data() {
return {
filters: {
roomNo:'',deviceTp:'',dataTp:'0'
},
dataList: [],
total: 0,
page: 1,
listLoading: false,
currentSelect: {},//列表选中列
roomList: [],
deviceTpList: [],
dataTpList:[{value:'0',label:"PM2.5"},{value:"1",label:"温度"},{value:"2",label:"湿度"},
{value:"3",label:"二氧化碳浓度"},{value:"4",label:"TVOC"}],
//echart
myEChart:{},
//标题
title:'PM2.5历史数据折线图',
//echarts配置
myEchartsOption:{},
//配置值，用于封装数据库查询出的真实数据
myEchartsOptionValue:{},
symbolSize:20,
initOptions: {
renderer: 'canvas'
},
}
},
methods: {
//获得echarts配置值，查询数据库并封装返回
drawLineChart() {
// 查询条件
let para = {
roomNo:this.filters.roomNo,
deviceTp:this.filters.deviceTp,
dataTp:this.filters.dataTp,
};
// 查询数据库
getStatList(para).then((res) => {
if(res.data.code!=200){
return;
}
let datas = res.data.dataList;
/**let optionValue = {
* xDatas:xDatas, //横坐标数据数组
* dataValues:dayValues, //数据集合
* };
* */
//横坐标数据数组
let xDatas = [];
//数据集合
let dataValues = [];
if(datas && datas.length!==0){
//遍历封装
for (let i =0;i< datas.length;i++) {
//x轴数据
let xValue = util.formatDate.format(new Date(datas[i].smplTm), 'yyyy-MM-dd hh:mm:ss');
xDatas.push(xValue);
//y轴数据
let yValue = datas[i].val;
dataValues.push([xValue,yValue]);
}
}
//封装数据
this.myEchartsOptionValue={
xDatas:xDatas,
dataValues:dataValues
};
//根据数据准备Echarts配置项
this.getEchartsOption(this.myEchartsOptionValue);
});
},
// 获得Echarts配置项
/**let optionValue = {
* xDatas:dayTradeDt, //横坐标数据数组
* dataValues:dayValues, //数据集合
* };
* */
getEchartsOption:function(optionValue){
this.myEchartsOption = {
title: {
text: this.title
},
tooltip: {
triggerOn: 'none',
formatter: function (params) {
return 'X: ' + params.data[0].toFixed(2) + '<br>Y: ' + params.data[1].toFixed(2);
}
},
grid: {
},
xAxis: {
min:null,
max:null,
type: 'category',
boundaryGap: false,
//横坐标显示数据
data: optionValue.xDatas,
//切割份数
splitNumber:5,
},
yAxis: {
min:-100,
max:500,
type: 'value',
axisLine:{onZero:false}
},
dataZoom: [
{
type: 'slider',
xAxisIndex: 0,
filterMode: 'empty'
},
{
type: 'slider',
yAxisIndex: 0,
filterMode: 'empty'
},
{
type: 'inside',
xAxisIndex: 0,
filterMode: 'empty'
},
{
type: 'inside',
yAxisIndex: 0,
filterMode: 'empty'
}
],
series: [
{
id: 'a',
type: 'line',
smooth: true,
symbolSize: 20,
// 数据
data: optionValue.dataValues,
}
]
};
},
//房间下拉初始化
initRoomList: function () {
let para = {};
//查询
getRoomList(para).then((res)=>{
//条件查询下拉
for (let resKey of res.data.dataList) {
this.roomList.push(resKey);
}
})
},
//数据类型下拉初始化
initDeviceTpList: function () {
let para = {key:"DEVICE_TP"};
//查询常量
getDeviceTpList(para).then((res)=>{
//条件查询下拉
for (let resKey of res.data.dataList) {
this.deviceTpList.push(resKey);
}
})
},
},
created() {
//初始化下拉数据
this.initRoomList();
this.initDeviceTpList();
//初始化echarts数据
this.drawLineChart();
}
};
</script>
<style scoped>
</style>
|
