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<?php
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// +----------------------------------------------------------------------
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// | 萤火商城系统 [ 致力于通过产品和服务，帮助商家高效化开拓市场 ]
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// +----------------------------------------------------------------------
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// | Copyright (c) 2017~2023 https://www.yiovo.com All rights reserved.
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// +----------------------------------------------------------------------
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// | Licensed 这不是一个自由软件，不允许对程序代码以任何形式任何目的的再发行
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// +----------------------------------------------------------------------
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// | Author: 萤火科技 <admin@yiovo.com>
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// +----------------------------------------------------------------------
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declare (strict_types=1);
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// 应用公共函数库文件
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/**
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* 获取当前访问的渠道(微信小程序、H5、APP等)
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* @return string|null
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*/
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function getPlatform(): ?string
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{
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static $value = null;
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// 从header中获取 channel
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empty($value) && $value = request()->header('platform');
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// 调试模式下可通过param中获取
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if (is_debug() && empty($value)) {
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$value = request()->param('platform');
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}
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return $value;
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}
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/**
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* 计算用户和门店距离
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* @param float $lat1 用户纬度
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* @param float $lon1 用户经度
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* @param float $lat2
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* @param float $lon2
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* @return float
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*/
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function calculateDistance($lat1, $lon1, $lat2, $lon2): float
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{
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// 将角度转换为弧度
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$degToRad = M_PI / 180;
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// 经纬度转换成弧度
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$lat1 *= $degToRad;
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$lon1 *= $degToRad;
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$lat2 *= $degToRad;
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$lon2 *= $degToRad;
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// 应用Haversine Formula计算球体上两点之间的距离
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$dLat = ($lat2 - $lat1);
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$dLon = ($lon2 - $lon1);
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$a = pow(sin($dLat/2), 2) + cos($lat1) * cos($lat2) * pow(sin($dLon/2), 2);
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$c = 2 * atan2(sqrt($a), sqrt(1-$a));
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$distance = 6371 * $c; // 地球平均半径为6371km
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return round($distance, 2); // 返回结果保留小数点后两位
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}
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/**
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* 格式化起止时间(为了兼容前端RangePicker组件)
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* 2020-04-01T08:15:08.891Z => 1585670400
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* @param array $times
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* @param bool $isWithTime 是否包含时间
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* @return array
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*/
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function between_time(array $times, bool $isWithTime = false): array
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{
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foreach ($times as &$time) {
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$time = trim($time, '"');
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$time = str2date($time, $isWithTime);
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}
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return ['start_time' => current($times), 'end_time' => next($times)];
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}
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/**
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* 日期转换时间戳
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* 例如: 2020-04-01 08:15:08 => 1585670400
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* @param string $date
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* @param bool $isWithTime 是否包含时间
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* @return false|int
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*/
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function str2date(string $date, bool $isWithTime = false)
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{
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if (!$isWithTime) {
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$date = date('Y-m-d', strtotime($date));
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}
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return strtotime($date);
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}
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