大屏数据实时

This commit is contained in:
fengerli
2025-09-30 10:59:31 +08:00
parent af45e3fda3
commit e7e58d28cc
7 changed files with 616 additions and 357 deletions

View File

@ -3,130 +3,178 @@
<div ref="chartRef" class="chartRef"></div>
</div>
</template>
<script setup lang="ts">
import * as echarts from 'echarts'
import { getMonthlyAlarmStatistics } from '@/api/homeIndex';
const chartRef = ref<HTMLDivElement | null>(null);
onMounted(() => {
if (chartRef.value) {
const myChart = echarts.init(chartRef.value);
getMonthlyAlarmStatistics({}).then((res) => {
const monthlyData = res.data.monthlyStatistics || {};
// 提取1-12月数据并转为数字
const alarmData = [
monthlyData.m1,
monthlyData.m2,
monthlyData.m3,
monthlyData.m4,
monthlyData.m5,
monthlyData.m6,
monthlyData.m7,
monthlyData.m8,
monthlyData.m9,
monthlyData.m10,
monthlyData.m11,
monthlyData.m12
].map(Number);
let myChart: echarts.ECharts | null = null;
let dataTimer: NodeJS.Timeout | null = null;
const maxValue = Math.max(...alarmData);
const maxIndex = alarmData.indexOf(maxValue);
const months = ['1月', '2月', '3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月', '12月'];
// 初始化图表
const initChart = () => {
if (!chartRef.value) return;
myChart = echarts.init(chartRef.value);
updateChartData();
window.addEventListener('resize', handleResize);
};
// 更新图表数据
const updateChartData = () => {
if (!myChart) return;
getMonthlyAlarmStatistics({}).then((res) => {
const monthlyData = res.data.monthlyStatistics || {};
// 提取1-12月数据并转为数字
const alarmData = [
monthlyData.m1,
monthlyData.m2,
monthlyData.m3,
monthlyData.m4,
monthlyData.m5,
monthlyData.m6,
monthlyData.m7,
monthlyData.m8,
monthlyData.m9,
monthlyData.m10,
monthlyData.m11,
monthlyData.m12
].map(Number);
const option = {
tooltip: {
trigger: 'axis',
},
grid: {
left: '5%',
right: '5%',
bottom: '10%',
top: '15%',
containLabel: true
},
xAxis: {
type: 'category',
data: months,
axisLine: {
lineStyle: {
color: 'rgba(255, 255, 255, 0.2)'
}
},
axisLabel: {
color: '#DEEFFF',
fontSize: 12
},
splitLine: {
show: false
const maxValue = Math.max(...alarmData);
const maxIndex = alarmData.indexOf(maxValue);
const months = ['1月', '2月', '3月', '4月', '5月', '6月', '7月', '8月', '9月', '10月', '11月', '12月'];
const option = {
tooltip: {
trigger: 'axis',
},
grid: {
left: '5%',
right: '5%',
bottom: '10%',
top: '15%',
containLabel: true
},
xAxis: {
type: 'category',
data: months,
axisLine: {
lineStyle: {
color: 'rgba(255, 255, 255, 0.2)'
}
},
yAxis: {
type: 'value',
axisLine: {
show: false
},
axisLabel: {
color: '#DEEFFF',
fontSize: 12,
formatter: '{value}'
},
splitLine: {
lineStyle: {
color: 'rgba(255, 255, 255, 0.1)',
type: 'dashed'
}
},
boundaryGap: [0, '30%']
axisLabel: {
color: '#DEEFFF',
fontSize: 12
},
series: [
{
type: 'line',
data: alarmData,
smooth: true,
symbol: 'circle',
symbolSize: 6,
emphasis: {
showSymbol: true,
symbolSize: 8
},
lineStyle: {
color: '#22E1DB',
width: 2
},
areaStyle: {
color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
{ offset: 0, color: 'rgba(34,225,219, 0.6)' },
{ offset: 1, color: 'rgba(34,225,219, 0)' }
])
},
itemStyle: {
color: (params) => {
if (params.dataIndex === maxIndex) {
return '#fff'; // 最大值的点标为白色
}
return '#22E1DB';
splitLine: {
show: false
}
},
yAxis: {
type: 'value',
axisLine: {
show: false
},
axisLabel: {
color: '#DEEFFF',
fontSize: 12,
formatter: '{value}'
},
splitLine: {
lineStyle: {
color: 'rgba(255, 255, 255, 0.1)',
type: 'dashed'
}
},
boundaryGap: [0, '30%']
},
series: [
{
type: 'line',
data: alarmData,
smooth: true,
symbol: 'circle',
symbolSize: 6,
emphasis: {
showSymbol: true,
symbolSize: 8
},
lineStyle: {
color: '#22E1DB',
width: 2
},
areaStyle: {
color: new echarts.graphic.LinearGradient(0, 0, 0, 1, [
{ offset: 0, color: 'rgba(34,225,219, 0.6)' },
{ offset: 1, color: 'rgba(34,225,219, 0)' }
])
},
itemStyle: {
color: (params: any) => {
if (params.dataIndex === maxIndex) {
return '#fff'; // 最大值的点标为白色
}
},
label: {
show: (params) => params.dataIndex === maxIndex,
position: 'top',
color: '#22E1DB',
formatter: '{c}', // 显示当前数据值
fontSize: 12,
return '#22E1DB';
}
},
label: {
show: (params: any) => params.dataIndex === maxIndex,
position: 'top',
color: '#22E1DB',
formatter: '{c}', // 显示当前数据值
fontSize: 12,
}
],
};
}
],
};
myChart.setOption(option);
}).catch(err => {
});
myChart.setOption(option);
}).catch(err => {
console.error('获取月度报警统计数据失败:', err);
});
};
window.addEventListener('resize', () => {
myChart.resize();
});
const handleResize = () => {
if (myChart) {
myChart.resize();
}
};
// 开始数据定时器
const startDataTimer = () => {
if (dataTimer) {
clearInterval(dataTimer);
}
// 每300秒5分钟
dataTimer = setInterval(updateChartData, 300000);
};
// 清除数据定时器
const clearDataTimer = () => {
if (dataTimer) {
clearInterval(dataTimer);
dataTimer = null;
}
};
onMounted(() => {
initChart();
startDataTimer();
});
onUnmounted(() => {
// 清除定时器
clearDataTimer();
// 移除事件监听
window.removeEventListener('resize', handleResize);
// 销毁图表
if (myChart) {
myChart.dispose();
myChart = null;
}
});
</script>
<style scoped lang="scss">
.vchartPage {
margin-top: 7.4vh;