vue折线图

// 确保数据格式正确
const data = {
  labels: ['January', 'February', 'March'],
  datasets: [
    {
      label: 'My First dataset',
      backgroundColor: 'rgb(255, 99, 132)',
      borderColor: 'rgb(255, 99, 132)',
      data: [0, 10, 5]
    }
  ]
};

// 确保DOM元素已挂载
mounted() {
  this.renderChart(data, {responsive: true, maintainAspectRatio: false});
}

watch: {
  '$route' (to, from) {
    this.$refs.chart.resize();
  }
}

<template>
  <div ref="chart" style="width: 100%; height: 400px;"></div>
</template>

<script setup>
import { onMounted, ref } from 'vue';
import * as echarts from 'echarts';

const chart = ref(null);

onMounted(() => {
  const myChart = echarts.init(chart.value);
  const option = {
    xAxis: {
      type: 'category',
      data: ['Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat', 'Sun']
    },
    yAxis: {
      type: 'value'
    },
    series: [{
      data: [820, 932, 901, 934, 1290, 1330, 1320],
      type: 'line'
    }]
  };
  myChart.setOption(option);
});
</script>