SocialNetworks_duan/src/components/Chart36_Dialogue(1).vue

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2025-07-17 10:28:56 +08:00
<template>
<div ref="chartRef" style="width: 100%; height: 400px;"></div>
</template>
<script setup>
import { ref, onMounted, onUnmounted } from 'vue';
import * as echarts from 'echarts';
// --- 原始数据 ---
const originalData = {
'2024-06-25 15:05': 169, '2024-06-25 21:05': 186, '2024-06-26 03:05': 31,
'2024-06-26 09:05': 8, '2024-06-26 15:05': 1, '2024-06-26 21:05': 2,
'2024-06-27 03:05': 1, '2024-06-27 09:05': 0, '2024-06-27 15:05': 1,
'2024-06-27 21:05': 0, '2024-06-28 03:05': 0, '2024-06-28 09:05': 0,
'2024-06-28 15:05': 0, '2024-06-28 21:05': 0, '2024-06-29 03:05': 0,
'2024-06-29 09:05': 0, '2024-06-29 15:05': 0, '2024-06-29 21:05': 0,
'2024-06-30 03:05': 0, '2024-06-30 09:05': 1
};
// --- Y轴镜像转换 ---
const xAxisData = Object.keys(originalData);
const yAxisMirroredData = Object.values(originalData).reverse();
// --- ECharts 核心逻辑 ---
const chartRef = ref(null);
let myChart = null;
const option = {
title: {
text: '事件热度预测',
left: 'center'
},
tooltip: { trigger: 'axis' },
grid: { left: '3%', right: '4%', bottom: '10%', containLabel: true },
xAxis: {
type: 'category',
data: xAxisData,
axisLabel: { rotate: 30 }
},
yAxis: { type: 'value' },
series: [{
name: '热度',
data: yAxisMirroredData,
type: 'line',
itemStyle: { color: '#ee6666' }
}]
};
onMounted(() => {
myChart = echarts.init(chartRef.value);
myChart.setOption(option);
window.addEventListener('resize', () => myChart.resize());
});
onUnmounted(() => {
myChart?.dispose();
});
</script>