Vue 및 ECharts4Taro3을 사용하여 시계열 데이터의 추세를 표시하고 분석하는 방법

npm install --save echarts-for-taro

<template>
  <taro-echarts options="options" class="line-chart"/>
</template>

<script setup>
import TaroEcharts from 'echarts-for-taro'
import 'echarts-for-taro/dist/echarts'
import 'echarts-for-taro/dist/style.css'

const options = {
  xAxis: { // 设置x轴
    type: 'category',
    data: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun', 'Jul']
  },
  yAxis: { // 设置y轴
    type: 'value'
  },
  series: [{ // 设置数据
    data: [120, 200, 150, 80, 70, 110, 130],
    type: 'line'
  }]
}
</script>

<style scoped>
.line-chart {
  width: 100%;
  height: 300px;
}
</style>

<template>
  <view>
    <line-chart/>
  </view>
</template>

<script>
import LineChart from './components/LineChart.vue'

export default {
  components: { LineChart }
}
</script>

<template>
  <taro-echarts options="options" class="time-series-chart"/>
</template>

<script setup>
import TaroEcharts from 'echarts-for-taro'
import 'echarts-for-taro/dist/echarts'
import 'echarts-for-taro/dist/style.css'

const options = {
  xAxis: {
    type: 'category',
    data: []
  },
  yAxis: {
    type: 'value'
  },
  series: [{
    type: 'line',
    data: []
  }]
}

// 模拟动态更新数据
let data = [
  { time: 'Jan', value: 120 },
  { time: 'Feb', value: 200 },
  { time: 'Mar', value: 150 },
  { time: 'Apr', value: 80 },
  { time: 'May', value: 70 },
  { time: 'Jun', value: 110 },
  { time: 'Jul', value: 130 }
]

updateData()

setInterval(() => {
  data.push({ time: 'Aug', value: Math.floor(Math.random() * 100) })
  updateData()
}, 1000)

function updateData () {
  const xAxisData = data.map(item => item.time)
  const seriesData = data.map(item => item.value)
  
  options.xAxis.data = xAxisData
  options.series[0].data = seriesData
}
</script>

<style scoped>
.time-series-chart {
  width: 100%;
  height: 300px;
}
</style>

<template>
  <view>
    <time-series-chart/>
  </view>
</template>

<script>
import TimeSeriesChart from './components/TimeSeriesChart.vue'

export default {
  components: { TimeSeriesChart }
}
</script>