HarmonyOS 鸿蒙Next下如何调整照片方向：手机横置拍横向，竖直拍竖直

可以获取当前设备旋转角度请参考传感器接口实现：https://developer.huawei.com/consumer/cn/doc/harmonyos-references-V5/js-apis-sensor-V5

import sensor from '@ohos.sensor';
import base from '@ohos.base';

export function onDegree(callback: base.Callback<string>): void {
    sensor.on(sensor.SensorId.GRAVITY, (data: sensor.GravityResponse) => {
        let degree: number = -1;
        let rotation: string = 'INVALID';
        degree = CalDegree(data.x, data.y, data.z)
        if (degree >= 0 && (degree <= 30 || degree >= 330)) {
            rotation = 'ROTATION_0';
        } else if (degree >= 60 && degree <= 120) { // Use ROTATION_90 when degree range is [60, 120]
            rotation = 'ROTATION_90';
        } else if (degree >= 150 && degree <= 210) { // Use ROTATION_180 when degree range is [150, 210]
            rotation = 'ROTATION_180';
        } else if (degree >= 240 && degree <= 300) { // Use ROTATION_270 when degree range is [240, 300]
            rotation = 'ROTATION_270';
        }
        callback(rotation);
    });
}

function CalDegree(x: number, y: number, z: number): number {
    let degree: number = -1;
    // 3 为 有效_增量_角度_阈值_系数
    if ((x * x + y * y) * 3 < z * z) {
        return degree;
    }
    degree = 90 - (Number)(Math.round(Math.atan2(y, -x) / Math.PI * 180));
    return degree >= 0 ? degree % 360 : degree % 360 + 360;
}

aboutToAppear() {
    let callback = async (rotation: string) => {
        console.log('rotation = ' + rotation )
    }
    try {
        //监听屏幕状态改变
        onDegree(callback);
    } catch (exception) {
        console.error(TAG, 'Failed to register callback. Code: ' + JSON.stringify(exception));
    }
}