319 行
11 KiB
PHP
319 行
11 KiB
PHP
<?php
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namespace RiderApi\Controller;
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/**
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* 骑手端地图控制器
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*/
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class MapController extends BaseController {
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/**
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* 获取附近地点
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*/
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public function getNearbyPlaces() {
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$lat = floatval($this->getRequestParam('lat', 0));
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$lng = floatval($this->getRequestParam('lng', 0));
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$radius = intval($this->getRequestParam('radius', 1000)); // 默认1000米
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$type = $this->getRequestParam('type', ''); // 地点类型
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if (empty($lat) || empty($lng)) {
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$this->ajaxReturn(array('code' => 0, 'msg' => '位置信息不能为空'));
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}
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// 这里可以调用第三方地图API（如高德、百度等）
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// 暂时返回模拟数据
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$places = array(
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array(
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'id' => 1,
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'name' => '附近餐厅',
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'address' => '示例地址1',
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'lat' => $lat + 0.001,
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'lng' => $lng + 0.001,
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'distance' => 100,
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'type' => 'restaurant'
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),
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array(
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'id' => 2,
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'name' => '附近商店',
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'address' => '示例地址2',
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'lat' => $lat - 0.001,
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'lng' => $lng - 0.001,
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'distance' => 200,
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'type' => 'shop'
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)
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);
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$this->ajaxReturn(array(
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'code' => 1,
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'msg' => '获取成功',
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'data' => $places
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));
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}
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/**
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* 搜索地点
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*/
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public function searchPlaces() {
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$keyword = trim($this->getRequestParam('keyword', ''));
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$lat = floatval($this->getRequestParam('lat', 0));
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$lng = floatval($this->getRequestParam('lng', 0));
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$city = trim($this->getRequestParam('city', ''));
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if (empty($keyword)) {
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$this->ajaxReturn(array('code' => 0, 'msg' => '搜索关键词不能为空'));
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}
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// 这里可以调用第三方地图API进行地点搜索
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// 暂时返回模拟数据
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$places = array(
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array(
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'id' => 1,
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'name' => $keyword . '相关地点1',
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'address' => '搜索结果地址1',
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'lat' => 39.908823,
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'lng' => 116.397470,
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'distance' => 500
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),
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array(
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'id' => 2,
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'name' => $keyword . '相关地点2',
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'address' => '搜索结果地址2',
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'lat' => 39.909823,
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'lng' => 116.398470,
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'distance' => 800
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)
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);
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$this->ajaxReturn(array(
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'code' => 1,
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'msg' => '搜索成功',
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'data' => $places
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));
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}
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/**
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* 路线规划
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*/
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public function planRoute() {
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$riderId = $this->riderId;
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$rider = $this->riderInfo;
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// 获取请求参数
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$startLat = floatval($this->getRequestParam('start_lat', 0));
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$startLng = floatval($this->getRequestParam('start_lng', 0));
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$endLat = floatval($this->getRequestParam('end_lat', 0));
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$endLng = floatval($this->getRequestParam('end_lng', 0));
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$startAddress = trim($this->getRequestParam('start_address', ''));
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$endAddress = trim($this->getRequestParam('end_address', ''));
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$waypoints = $this->getRequestParam('waypoints', array()); // 途经点
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$strategy = $this->getRequestParam('strategy', 'fastest'); // 路线策略：fastest(最快), shortest(最短), avoid_traffic(避开拥堵)
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// 参数验证
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if (empty($startLat) || empty($startLng) || empty($endLat) || empty($endLng)) {
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$this->ajaxReturn(array('code' => 0, 'msg' => '起点和终点坐标不能为空'));
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}
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// 验证坐标范围
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if ($startLat < -90 || $startLat > 90 || $endLat < -90 || $endLat > 90) {
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$this->ajaxReturn(array('code' => 0, 'msg' => '纬度范围错误'));
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}
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if ($startLng < -180 || $startLng > 180 || $endLng < -180 || $endLng > 180) {
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$this->ajaxReturn(array('code' => 0, 'msg' => '经度范围错误'));
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}
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try {
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// 调用路线规划服务
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$routeResult = $this->calculateRoute($startLat, $startLng, $endLat, $endLng, $waypoints, $strategy);
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if (!$routeResult) {
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$this->ajaxReturn(array('code' => 0, 'msg' => '路线规划失败'));
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}
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// 保存路线规划记录
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$this->saveRouteRecord($riderId, $startLat, $startLng, $endLat, $endLng, $startAddress, $endAddress, $routeResult);
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$this->ajaxReturn(array(
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'code' => 1,
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'msg' => '路线规划成功',
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'data' => $routeResult
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));
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} catch (\Exception $e) {
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$this->ajaxReturn(array(
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'code' => 0,
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'msg' => '路线规划异常：' . $e->getMessage()
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));
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}
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}
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/**
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* 计算路线
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*/
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private function calculateRoute($startLat, $startLng, $endLat, $endLng, $waypoints = array(), $strategy = 'fastest') {
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// 这里应该调用第三方地图API（如高德、百度等）进行实际的路线规划
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// 目前返回模拟数据
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// 计算直线距离（简化处理）
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$distance = $this->calculateDistance($startLat, $startLng, $endLat, $endLng);
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// 模拟路线数据
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$route = array(
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'distance' => round($distance, 2), // 距离（公里）
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'duration' => round($distance / 30 * 60, 0), // 预估时间（分钟，按30km/h计算）
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'polyline' => $this->generatePolyline($startLat, $startLng, $endLat, $endLng), // 路线坐标点
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'steps' => $this->generateRouteSteps($startLat, $startLng, $endLat, $endLng), // 导航步骤
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'strategy' => $strategy,
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'traffic_info' => array(
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'status' => 'smooth', // 路况：smooth(畅通), slow(缓慢), congested(拥堵)
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'delay_time' => 0 // 延误时间（分钟）
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)
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);
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return $route;
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}
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/**
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* 计算两点间距离（公里）
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*/
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private function calculateDistance($lat1, $lng1, $lat2, $lng2) {
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$earthRadius = 6371; // 地球半径（公里）
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$lat1Rad = deg2rad($lat1);
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$lng1Rad = deg2rad($lng1);
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$lat2Rad = deg2rad($lat2);
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$lng2Rad = deg2rad($lng2);
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$deltaLat = $lat2Rad - $lat1Rad;
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$deltaLng = $lng2Rad - $lng1Rad;
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$a = sin($deltaLat / 2) * sin($deltaLat / 2) +
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cos($lat1Rad) * cos($lat2Rad) *
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sin($deltaLng / 2) * sin($deltaLng / 2);
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$c = 2 * atan2(sqrt($a), sqrt(1 - $a));
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return $earthRadius * $c;
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}
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/**
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* 生成路线坐标点
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*/
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private function generatePolyline($startLat, $startLng, $endLat, $endLng) {
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// 简化处理，生成几个中间点
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$points = array();
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$steps = 5;
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for ($i = 0; $i <= $steps; $i++) {
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$ratio = $i / $steps;
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$lat = $startLat + ($endLat - $startLat) * $ratio;
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$lng = $startLng + ($endLng - $startLng) * $ratio;
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$points[] = array('lat' => $lat, 'lng' => $lng);
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}
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return $points;
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}
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/**
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* 生成导航步骤
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*/
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private function generateRouteSteps($startLat, $startLng, $endLat, $endLng) {
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return array(
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array(
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'instruction' => '从起点出发',
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'distance' => 0,
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'duration' => 0,
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'lat' => $startLat,
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'lng' => $startLng
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),
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array(
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'instruction' => '直行',
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'distance' => $this->calculateDistance($startLat, $startLng, $endLat, $endLng) * 1000,
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'duration' => round($this->calculateDistance($startLat, $startLng, $endLat, $endLng) / 30 * 60, 0),
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'lat' => $endLat,
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'lng' => $endLng
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),
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array(
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'instruction' => '到达目的地',
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'distance' => 0,
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'duration' => 0,
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'lat' => $endLat,
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'lng' => $endLng
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)
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);
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}
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/**
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* 保存路线规划记录
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*/
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private function saveRouteRecord($riderId, $startLat, $startLng, $endLat, $endLng, $startAddress, $endAddress, $routeResult) {
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$routeModel = M('rider_route_record');
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$data = array(
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'rider_id' => $riderId,
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'start_lat' => $startLat,
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'start_lng' => $startLng,
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'end_lat' => $endLat,
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'end_lng' => $endLng,
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'start_address' => $startAddress,
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'end_address' => $endAddress,
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'distance' => $routeResult['distance'],
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'duration' => $routeResult['duration'],
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'strategy' => $routeResult['strategy'],
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'route_data' => json_encode($routeResult),
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'create_time' => date('Y-m-d H:i:s')
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);
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$routeModel->add($data);
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}
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/**
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* 获取缓存信息
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*/
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public function getCacheInfo() {
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$riderId = $this->riderId;
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// 获取路线缓存数量
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$routeModel = M('rider_route_record');
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$routeCount = $routeModel->where(array('rider_id' => $riderId))->count();
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$cacheInfo = array(
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'route_cache_count' => $routeCount,
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'cache_size' => round($routeCount * 0.5, 2) . 'MB', // 估算缓存大小
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'last_clear_time' => '2024-01-01 00:00:00' // 最后清理时间
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);
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$this->ajaxReturn(array(
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'code' => 1,
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'msg' => '获取成功',
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'data' => $cacheInfo
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));
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}
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/**
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* 清理缓存
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*/
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public function clearCache() {
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$riderId = $this->riderId;
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try {
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// 清理路线记录缓存（保留最近30天的记录）
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$routeModel = M('rider_route_record');
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$thirtyDaysAgo = date('Y-m-d H:i:s', strtotime('-30 days'));
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$deletedCount = $routeModel->where(array(
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'rider_id' => $riderId,
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'create_time' => array('lt', $thirtyDaysAgo)
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))->delete();
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$this->ajaxReturn(array(
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'code' => 1,
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'msg' => '缓存清理成功，清理了' . $deletedCount . '条记录'
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));
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} catch (\Exception $e) {
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$this->ajaxReturn(array(
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'code' => 0,
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'msg' => '缓存清理失败：' . $e->getMessage()
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));
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}
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}
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} |