feat: add web application

web/src/hooks/useBattery.ts

@@ -0,0 +1,93 @@
+import { computed, onMounted, reactive, toRefs } from 'vue';
+
+interface Battery {
+  charging: boolean; // 当前电池是否正在充电
+  chargingTime: number; // 距离充电完毕还需多少秒，如果为0则充电完毕
+  dischargingTime: number; // 代表距离电池耗电至空且挂起需要多少秒
+  level: number; // 代表电量的放大等级，这个值在 0.0 至 1.0 之间
+  [key: string]: any;
+}
+
+export const useBattery = () => {
+  const state = reactive({
+    battery: {
+      charging: false,
+      chargingTime: 0,
+      dischargingTime: 0,
+      level: 100,
+    },
+  });
+
+  // 更新电池使用状态
+  const updateBattery = (target) => {
+    for (const key in state.battery) {
+      state.battery[key] = target[key];
+    }
+    state.battery.level = state.battery.level * 100;
+  };
+
+  // 计算电池剩余可用时间
+  const calcDischargingTime = computed(() => {
+    const hour = state.battery.dischargingTime / 3600;
+    const minute = (state.battery.dischargingTime / 60) % 60;
+    return `${~~hour}小时${~~minute}分钟`;
+  });
+
+  // 计算电池充满剩余时间
+  const calcChargingTime = computed(() => {
+    console.log(state.battery);
+    const hour = state.battery.chargingTime / 3600;
+    const minute = (state.battery.chargingTime / 60) % 60;
+    return `${~~hour}小时${~~minute}分钟`;
+  });
+
+  // 电池状态
+  const batteryStatus = computed(() => {
+    if (state.battery.charging && state.battery.level >= 100) {
+      return '已充满';
+    } else if (state.battery.charging) {
+      return '充电中';
+    } else {
+      return '已断开电源';
+    }
+  });
+
+  onMounted(async () => {
+    const BatteryManager: Battery = await (window.navigator as any).getBattery();
+    updateBattery(BatteryManager);
+
+    // 电池充电状态更新时被调用
+    BatteryManager.onchargingchange = ({ target }) => {
+      updateBattery(target);
+    };
+    // 电池充电时间更新时被调用
+    BatteryManager.onchargingtimechange = ({ target }) => {
+      updateBattery(target);
+    };
+    // 电池断开充电时间更新时被调用
+    BatteryManager.ondischargingtimechange = ({ target }) => {
+      updateBattery(target);
+    };
+    // 电池电量更新时被调用
+    BatteryManager.onlevelchange = ({ target }) => {
+      updateBattery(target);
+    };
+
+    // new Intl.DateTimeFormat('zh', {
+    //   year: 'numeric',
+    //   month: '2-digit',
+    //   day: '2-digit',
+    //   hour: '2-digit',
+    //   minute: '2-digit',
+    //   second: '2-digit',
+    //   hour12: false
+    // }).format(new Date())
+  });
+
+  return {
+    ...toRefs(state),
+    batteryStatus,
+    calcDischargingTime,
+    calcChargingTime,
+  };
+};