pre-warning-system/src/components/Chart35_SpecialForces(1).vue

<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 = {
    '2024-06-22 17:10': 10, '2024-06-23 05:10': 1255, '2024-06-23 17:10': 801,
    '2024-06-24 05:10': 281, '2024-06-24 17:10': 48, '2024-06-25 05:10': 65,
    '2024-06-25 17:10': 30, '2024-06-26 05:10': 32, '2024-06-26 17:10': 16,
    '2024-06-27 05:10': 7, '2024-06-27 17:10': 5, '2024-06-28 05:10': 2,
    '2024-06-28 17:10': 1, '2024-06-29 05:10': 1, '2024-06-29 17:10': 1,
    '2024-06-30 05:10': 4, '2024-06-30 17:10': 1, '2024-07-01 05:10': 4
};

// --- 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: '时间热度预测',
    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',
    smooth: true,
    itemStyle: { color: '#fac858' }
  }]
};

onMounted(() => {
  myChart = echarts.init(chartRef.value);
  myChart.setOption(option);
  window.addEventListener('resize', () => myChart.resize());
});

onUnmounted(() => {
  myChart?.dispose();
});
</script>