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265 lines
8.1 KiB
265 lines
8.1 KiB
<template> |
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<div class="energy_content"> |
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<div class="sys_charts" ref="sys_charts"></div> |
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</div> |
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</template> |
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|
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<script> |
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import * as echarts from "echarts"; |
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import { getDay, getMonth, getYear } from "@/utils/datetime"; |
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import { systemTrend } from "@/api/bigScreen"; |
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import { eventBus } from "@/utils/evenBus"; |
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export default { |
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data() { |
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return { |
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chartInstance: null, |
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option: {}, |
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queryType: "day", //默认页面为day |
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dataTime: "", |
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energyMes: {}, |
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}; |
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}, |
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created() { |
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eventBus.$on("data-sent-queryType", (data) => { |
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this.queryType = data; |
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console.log("得到的queryType为", this.queryType); |
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this.getChartsData(); |
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}); |
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}, |
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mounted() { |
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this.initChart(); |
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this.screenAdapter(); |
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window.addEventListener("resize", this.screenAdapter); |
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this.getChartsData(); |
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}, |
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destroyed() { |
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//与mounted中的监听对应，在组件销毁的时候，需要将监听器取消掉 |
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window.removeEventListener("resize", this.screenAdapter); |
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}, |
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methods: { |
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// 折线图自适应+ 根据按钮切换图例仅限一条且不可点击+ 折线图数据 |
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screenAdapter() { |
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//自己定义的比较合适的适配大小,2.6 mes_ref是图表盒子 |
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const titleFontSize = this.$refs.sys_charts.offsetWidth / 130; |
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//因为option可以多次配置的，所以这里的option只需要写 需要配置大小的相关数据 |
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const adapterOption = {}; |
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//记得重新给配置项给实例对象。只要实例对象.chartInstance不变，option就可以多次配置不同的条件。也可以配置一个dataoption只写需要从后台请求的数据相关 |
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this.chartInstance.setOption(adapterOption); |
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//手动的调用图标对象的resize才能产生效果 |
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this.chartInstance.resize(); |
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}, |
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//初始化chartInstance对象 |
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initChart() { |
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this.chartInstance = echarts.init(this.$refs.sys_charts); |
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this.option = { |
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tooltip: { |
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trigger: "item", |
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}, |
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legend: { |
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show: false, |
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}, |
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grid: { |
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top: "10%", |
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left: "4%", |
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right: "6%", |
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bottom: "3%", |
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containLabel: true, |
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}, |
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xAxis: { |
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type: "category", |
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//设置为true代表离零刻度间隔一段距离 |
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boundaryGap: true, |
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// 修饰刻度标签的颜色即x坐标数据 |
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axisLabel: { |
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// interval: 0, //强制显示所有x轴数据 |
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// rotate: 30, //x轴坐标字体倾斜30度 |
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color: "rgba(255, 255, 255, 1)", |
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}, |
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axisTick: { |
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show: false, // 不显示坐标轴刻度线 |
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}, |
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// x坐标轴的颜色 |
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axisLine: { |
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show: true, |
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lineStyle: { |
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color: "#365576", |
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}, |
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}, |
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splitLine: { |
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lineStyle: { |
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color: "#e2e6f0", |
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}, |
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}, //x轴分割线 |
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}, |
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yAxis: { |
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min: 0, |
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// max:20, |
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// // // min:'dataMin', |
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// // // max:'dataMax', |
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// name: "kwh", // 第一个 y 轴的单位描述 |
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// 设置 name 的样式 |
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nameTextStyle: { |
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color: "rgba(255, 255, 255, 1)", |
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fontSize: 12, |
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}, |
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miniInterval: 5, |
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type: "value", |
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// 修饰刻度标签的颜色即y坐标数据 |
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axisLabel: { |
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color: "rgba(255, 255, 255, 1)", |
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}, |
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// 显示y坐标轴 |
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axisLine: { |
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show: true, |
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lineStyle: { |
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color: "#365576", // 设置 y 轴线的颜色 |
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}, |
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}, |
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//y轴分割线段数 |
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// splitNumber: 10, |
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// 修改y轴分割线的颜色 |
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splitLine: { |
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lineStyle: { |
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color: "#1a3d62", // 设置分割线的颜色 |
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type: "dashed", // 设置分割线为虚线 |
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}, |
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}, |
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}, |
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series: [ |
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{ |
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type: "line", |
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// 拐点大小 |
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symbolSize: 8, |
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//折线颜色 |
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itemStyle: { |
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color: "#00CED1", //折线的颜色 |
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}, |
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lineStyle: { |
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color: "#00CED1", //折线点的颜色 |
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}, |
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areaStyle: { |
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color: { |
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type: "linear", |
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x: 0, |
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y: 0, |
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x2: 0, |
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y2: 1, |
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colorStops: [ |
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{ |
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offset: 0, |
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color: "rgba(0, 206, 209, 0.5)", // 渐变起始颜色 |
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}, |
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{ |
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offset: 1, |
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color: "rgba(0, 206, 209, 0)", // 渐变结束颜色 |
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}, |
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], |
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global: false, // 缺省为 false |
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}, |
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}, |
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}, |
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], |
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}; |
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//把配置项给实例对象 |
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this.chartInstance.setOption(this.option, true); |
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}, |
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// 请求的数据 |
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getChartsData() { |
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if (this.queryType === "day") { |
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this.dataTime = getDay(0); |
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} else if (this.queryType === "month") { |
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this.dataTime = getMonth(0); |
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} else if (this.queryType === "year") { |
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this.dataTime = getYear(0); |
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} |
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let data = { |
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timeType: this.queryType, |
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startTime: this.dataTime, |
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endTime: this.dataTime, |
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}; |
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systemTrend(data).then((res) => { |
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console.log("用电趋势返回", res); |
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if (res.code == 200) { |
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let adapterOption = {}; |
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// 添加折线的配置 |
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adapterOption = { |
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tooltip: { |
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trigger: "axis", |
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// 自定义 tooltip 内容 |
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formatter: function (params) { |
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var res = params[0].name + "<br/>"; |
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for (var i = 0, l = params.length; i < l; i++) { |
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var seriesName = params[i].seriesName; |
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var value = params[i].value; |
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var marker = |
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'<span style="display:inline-block;margin-right:5px;border-radius:10px;width:9px;height:9px;background-color:' + |
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params[i].color + |
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'"></span>'; |
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// 根据不同德seriesName 返回不同的单位 |
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res += |
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marker + |
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seriesName + |
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":" + |
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'<span style="color: #000000; font-weight: bold;margin-left:5px">' + |
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value + |
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"</span><br>"; |
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} |
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return res; |
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}, |
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}, |
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xAxis: { |
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data: res.rows[0].timeStr, |
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}, |
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series: [ |
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{ |
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data: res.rows[0].data, |
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}, |
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], |
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}; |
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//记得重新给配置项给实例对象。只要实例对象.chartInstance不变，option就可以多次配置不同的条件。也可以配置一个dataoption只写需要从后台请求的数据相关 |
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this.chartInstance.setOption(adapterOption); |
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//手动的调用图标对象的resize才能产生效果 |
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this.chartInstance.resize(); |
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} else { |
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let adapterOption = {}; |
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// 添加折线的配置 |
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adapterOption = { |
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xAxis: { |
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data: [], |
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}, |
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series: [ |
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{ |
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data: [], |
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}, |
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], |
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}; |
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//记得重新给配置项给实例对象。只要实例对象.chartInstance不变，option就可以多次配置不同的条件。也可以配置一个dataoption只写需要从后台请求的数据相关 |
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this.chartInstance.setOption(adapterOption); |
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//手动的调用图标对象的resize才能产生效果 |
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this.chartInstance.resize(); |
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} |
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}); |
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}, |
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}, |
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}; |
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</script> |
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<style lang="scss" scoped> |
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.energy_content { |
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display: flex; |
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flex-direction: column; |
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align-items: center; |
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justify-content: center; |
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width: 100% !important; |
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height: 100%; |
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.sys_charts { |
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width: 100%; |
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height: 2rem; |
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} |
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.eer { |
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font-size: 18px; |
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margin-top: 25px; |
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} |
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} |
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</style>
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