Comment obtenir une mise à jour et un affichage en temps réel des données via vue et Element-plus

<template>
  <div>{{ message }}</div>
</template>
    
<script>
export default {
  data() {
    return {
      message: 'Hello Vue!'
    }
  }
}
</script>

<template>
  <div>{{ count }}</div>
</template>
    
<script>
export default {
  data() {
    return {
      count: 0
    }
  },
  watch: {
    count(newValue, oldValue) {
      console.log(`count 的值从 ${oldValue} 变为 ${newValue}`)
    }
  }
}
</script>

<template>
  <el-table :data="tableData" stripe>
    <el-table-column prop="name" label="姓名"></el-table-column>
    <el-table-column prop="age" label="年龄"></el-table-column>
    <el-table-column prop="gender" label="性别"></el-table-column>
  </el-table>
</template>

<script>
import { reactive } from 'vue';

export default {
  setup() {
    const tableData = reactive([
      { name: '张三', age: 28, gender: '男' },
      { name: '李四', age: 32, gender: '女' },
      { name: '王五', age: 25, gender: '男' }
    ]);

    return {
      tableData
    };
  }
};
</script>

<template>
  <el-chart :data="chartData" type="line" x-axis-field="time" y-axis-text="数量" width="400" height="300"></el-chart>
</template>

<script>
import { reactive } from 'vue';

export default {
  setup() {
    const chartData = reactive([
      { time: '2022-01-01', count: 10 },
      { time: '2022-01-02', count: 20 },
      { time: '2022-01-03', count: 15 }
    ]);

    return {
      chartData
    };
  }
};
</script>