曝光枚举
enum class ExposureEnum
描述: 拍照过曝/欠曝
enum class ExposureEnum(var value: Int) {
    /**
     * 过曝
     */
    OVEREXPOSURE(0),
    /**
     * 欠曝
     */
    UNDEREXPOSURE(1);
}
描述: 拍照过曝/欠曝
enum class ExposureEnum(var value: Int) {
    /**
     * 过曝
     */
    OVEREXPOSURE(0),
    /**
     * 欠曝
     */
    UNDEREXPOSURE(1);
}