Get Battery Info

<template>
  <view>
    <text>当前电量：{{data.level}}%</text>
    <text>是否充电中：{{data.isCharging}}</text>
  </view>
</template>

<script setup lang="uts">
  type DataType = {
    level: number;
    isCharging: boolean;
  }

  const data = reactive({
    level: 0,
    isCharging: false
  } as DataType)

  onLoad(() => {
    try {
      uni.getBatteryInfo({
        success: res => {
          data.level = res.level;
          data.isCharging = res.isCharging;
        }
      });
    } catch (e) {
      console.error((e as Error).message);
      uni.showModal({
        content: (e as Error).message,
        showCancel: false
      });
    }
  })

  defineExpose({
    data
  })
</script>