pre-warning-system/src/components/Chart32_Inspection(1).vue

58 lines
1.5 KiB
Vue
Raw Normal View History

2025-06-19 09:14:41 +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 = {
'2024-06-19 15:57': 2280, '2024-06-20 15:57': 612, '2024-06-21 15:57': 261,
'2024-06-22 15:57': 258, '2024-06-23 15:57': 110, '2024-06-24 15:57': 80,
'2024-06-25 15:57': 51, '2024-06-26 15:57': 18, '2024-06-27 15:57': 10,
'2024-06-28 15:57': 10, '2024-06-29 15:57': 2, '2024-06-30 15:57': 2,
'2024-07-01 15:57': 2
};
// --- Y轴镜像转换 ---
const xAxisData = Object.keys(originalData);
// 关键将Y轴数据数组反转
const yAxisMirroredData = Object.values(originalData).reverse();
// --- ECharts 核心逻辑 ---
const chartRef = ref(null);
let myChart = null;
const option = {
title: {
text: '中国海警首次登检菲律宾运补船只 (Y轴镜像)',
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,
areaStyle: {} // 添加面积图样式
}]
};
onMounted(() => {
myChart = echarts.init(chartRef.value);
myChart.setOption(option);
window.addEventListener('resize', () => myChart.resize());
});
onUnmounted(() => {
myChart?.dispose();
});
</script>