352 lines
9.7 KiB
Vue
352 lines
9.7 KiB
Vue
<template>
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<div class="chart-container">
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<!-- 图表标题和时间范围选择器 -->
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<div class="chart-header">
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<h2>发电量趋势 (kWh)</h2>
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<div class="chart-actions">
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<button @click="timeRange = 'day'" :class="{ active: timeRange === 'day' }">日发电</button>
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<button @click="timeRange = 'week'" :class="{ active: timeRange === 'week' }">周发电</button>
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<button @click="timeRange = 'month'" :class="{ active: timeRange === 'month' }">月发电</button>
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</div>
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</div>
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<!-- 图表内容区域 -->
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<div ref="chartRef" class="chart-content"></div>
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</div>
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</template>
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<script setup>
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import { ref, onMounted, watch } from 'vue';
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import * as echarts from 'echarts';
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// 图表DOM引用
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const chartRef = ref(null);
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// 时间范围状态
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const timeRange = ref('day');
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// 图表实例
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let chartInstance = null;
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// 定义颜色常量
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const ACTUAL_COLOR = '#2A82E4';
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const THEORETICAL_COLOR = '#67C23A';
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// 根据时间范围返回对应的数据
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const getChartData = () => {
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if (timeRange.value === 'day') {
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return {
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xAxis: ['03-09', '03-10', '03-11', '03-12', '03-13', '03-14', '03-15', '03-16'],
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actualData: [35, 65, 60, 55, 45, 50, 45, 30],
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theoreticalData: [30, 70, 85, 80, 65, 60, 65, 95]
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};
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} else if (timeRange.value === 'week') {
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return {
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xAxis: ['第1周', '第2周', '第3周', '第4周'],
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actualData: [280, 360, 320, 400],
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theoreticalData: [300, 400, 350, 450]
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};
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} else {
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// 月数据
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return {
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xAxis: ['1月', '2月', '3月', '4月', '5月', '6月'],
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actualData: [1250, 1420, 1380, 1650, 1520, 1780],
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theoreticalData: [1350, 1500, 1450, 1700, 1600, 1850]
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};
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}
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};
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// 初始化图表
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const initChart = () => {
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if (chartRef.value && !chartInstance) {
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chartInstance = echarts.init(chartRef.value);
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}
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const data = getChartData();
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const option = {
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tooltip: {
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trigger: 'axis',
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// 悬停线相关设置
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axisPointer: {
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type: 'cross',
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lineStyle: {
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color: '#2A82E4',
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width: 2
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}
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},
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backgroundColor: 'rgba(255, 255, 255, 0.9)',
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borderColor: '#e8e8e8',
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borderWidth:2 ,
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textStyle: {
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color: '#333'
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},
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formatter: function (params) {
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const date = params[0].axisValue;
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const actualValue = params[0].value;
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const theoreticalValue = params[1].value;
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return `
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<div style="font-weight: bold;">${date}</div>
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<div style="color: ${ACTUAL_COLOR};">实际发电量: ${actualValue}</div>
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<div style="color: ${THEORETICAL_COLOR};">理论发电量: ${theoreticalValue}</div>
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`;
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}
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},
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legend: {
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right: 'center',
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data: ['实际发电', '理论发电'],
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top: 0,
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itemWidth: 10,
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itemHeight: 10,
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icon: 'stack',
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textStyle: {
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fontSize: 12,
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color: '#666'
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}
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},
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grid: {
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left: '3%',
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right: '4%',
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bottom: '10%',
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top: '25%',
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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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boundaryGap: false,
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data: data.xAxis,
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axisLine: {
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lineStyle: {
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color: '#dcdfe6'
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}
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},
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axisLabel: {
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color: '#909399',
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fontSize: 12
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},
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axisTick: {
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show: false // 去除刻度线
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},
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splitLine: {
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show: true, //显示分割线
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lineStyle: {
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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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yAxis: {
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type: 'value',
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axisLine: {
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lineStyle: {
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color: '#dcdfe6'
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}
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},
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axisLabel: {
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color: '#909399',
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fontSize: 12
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},
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axisTick: {
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show: false // 去除刻度线
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},
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splitLine: {
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show: true, //显示分割线
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lineStyle: {
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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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name: '实际发电',
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type: 'line',
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data: data.actualData,
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smooth: true,
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symbol: 'circle',
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symbolSize: 6,
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// 开始不显示拐点， 鼠标经过显示
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showSymbol: false,
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// 设置拐点颜色以及边框
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itemStyle: {
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color: ACTUAL_COLOR
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},
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lineStyle: {
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color: ACTUAL_COLOR,
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width: 3
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},
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emphasis: {
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itemStyle: {
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color: '#2A82E4',
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borderColor: '#fff',
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borderWidth: 3
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}
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},
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areaStyle: {
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color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
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{
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offset: 0,
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color: `rgba(${parseInt(ACTUAL_COLOR.slice(1, 3), 16)}, ${parseInt(ACTUAL_COLOR.slice(3, 5), 16)}, ${parseInt(ACTUAL_COLOR.slice(5, 7), 16)}, 0.2)`
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},
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{
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offset: 1,
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color: `rgba(${parseInt(ACTUAL_COLOR.slice(1, 3), 16)}, ${parseInt(ACTUAL_COLOR.slice(3, 5), 16)}, ${parseInt(ACTUAL_COLOR.slice(5, 7), 16)}, 0.05)`
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}
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])
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}
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},
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{
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name: '理论发电',
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type: 'line',
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data: data.theoreticalData,
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smooth: true,
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symbol: 'circle',
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symbolSize: 6,
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itemStyle: {
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color: THEORETICAL_COLOR
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},
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lineStyle: {
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color: THEORETICAL_COLOR,
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width: 3
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},
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emphasis: {
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itemStyle: {
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color: '#67C23A',
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borderColor: '#fff',
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borderWidth: 3
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}
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},
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// 开始不显示拐点， 鼠标经过显示
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showSymbol: false,
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areaStyle: {
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color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
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{
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offset: 0,
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color: `rgba(${parseInt(THEORETICAL_COLOR.slice(1, 3), 16)}, ${parseInt(THEORETICAL_COLOR.slice(3, 5), 16)}, ${parseInt(THEORETICAL_COLOR.slice(5, 7), 16)}, 0.2)`
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},
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{
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offset: 1,
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color: `rgba(${parseInt(THEORETICAL_COLOR.slice(1, 3), 16)}, ${parseInt(THEORETICAL_COLOR.slice(3, 5), 16)}, ${parseInt(THEORETICAL_COLOR.slice(5, 7), 16)}, 0.05)`
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}
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])
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}
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},
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]
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};
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chartInstance.setOption(option);
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};
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// 响应窗口大小变化
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const handleResize = () => {
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if (chartInstance) {
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chartInstance.resize();
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}
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};
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// 生命周期钩子
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onMounted(() => {
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initChart();
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window.addEventListener('resize', handleResize);
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// 清理函数
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return () => {
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window.removeEventListener('resize', handleResize);
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if (chartInstance) {
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chartInstance.dispose();
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chartInstance = null;
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}
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};
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});
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// 监听时间范围变化，更新图表
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watch(timeRange, () => {
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initChart();
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});
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</script>
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<style scoped>
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.chart-container {
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background-color: #fff;
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border-radius: 8px;
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overflow: hidden;
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height: 400px;
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width: 100%;
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padding: 10px;
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box-sizing: border-box;
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}
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.chart-header {
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display: flex;
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justify-content: space-between;
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align-items: center;
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padding: 15px 20px;
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border-bottom: 1px solid #f0f0f0;
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}
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.chart-header h2 {
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font-size: 16px;
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font-weight: 600;
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color: #333;
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margin: 0;
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}
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.chart-actions button {
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background: none;
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border: 1px solid #e0e0e0;
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padding: 5px 12px;
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border-radius: 4px;
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margin-left: 8px;
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cursor: pointer;
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font-size: 12px;
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transition: all 0.2s ease;
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}
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.chart-actions button.active {
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background-color: #1890ff;
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color: white;
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border-color: #1890ff;
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}
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.chart-content {
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width: 100%;
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height: calc(100% - 54px);
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padding: 10px;
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}
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@media (max-width: 768px) {
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.chart-container {
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height: 350px;
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}
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}
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@media (max-width: 480px) {
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.chart-container {
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height: 300px;
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}
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.chart-header {
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flex-direction: column;
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align-items: flex-start;
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gap: 10px;
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}
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.chart-actions {
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width: 100%;
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display: flex;
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justify-content: space-between;
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}
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.chart-actions button {
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margin: 0;
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flex: 1;
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margin-right: 5px;
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}
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.chart-actions button:last-child {
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margin-right: 0;
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}
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}
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.model {
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padding: 20px;
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background-color: rgba(242, 248, 252, 1);
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}
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</style>
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