记php+高德地图webapi 高德jsapi 实现 当前位置与目标位置距离 并按照距离排序（坐标逆转换）
<script type="text/javascript" src="https://api.map.baidu.com/api?v=2.0&ak='自己申请'&s=1"></script> <script type="text/javascript" charset="utf-8"> var geolocation = new BMap.Geolocation(); geolocation.getCurrentPosition(function (r) { if (this.getStatus() == BMAP_STATUS_SUCCESS) { var lat = r.point.lat; var lng = r.point.lng; } // return; var data = {'lat': lat, 'merchid': "{$item['id']}",'classid': "{$classitem['id']}", 'lng': lng}; $.ajax({ url: "{php echo mobileUrl('shop/category/ajaxcodot')}", data: data, cache: false }).done(function (result) { var data = jQuery.parseJSON(result); if (data.status == 1) { if(data.result.code == 1){ console.log(data.result.code) $(".shop").html(data.result.html) // $("#coll").hide() }else{ $(".shop").hide() $(".noinfo").show() } } else { alert("微信接口繁忙,请稍后再试!"); } }); }) </script>
public function ajaxdot()//查询结果页 { global $_W; global $_GPC; $province = $_GPC['province']; $city = $_GPC['city']; $area = $_GPC['area']; $classid = $_GPC['classid']; $lat = floatval($_GPC['lat']); $lng = floatval($_GPC['lng']); $merch = pdo_fetch('SELECT * FROM ' . tablename('ewei_shop_merch_user') . ' WHERE id = '.$_GPC['merchid']); $where = 'where 1'; $where.= " and province = '$province'"; if($merch['cateid'] != 6) $where.= " and company_number = '{$merch['company_number']}'"; if(!empty($city)){ $where.= " and city = '$city'"; } if(!empty($area)){ $where.= " and area = '$area'"; } if($merch['cateid'] == 1 && $classid){ // var_dump($classid);exit; $class = pdo_fetch('SELECT class_type FROM ' . tablename('ewei_shop_merch_user_class') . ' WHERE id = '.$classid); $class_type = $class['class_type']; $where.= " and class_type = '$class_type'"; } if(!empty($_GPC['classid'])){ $classitem = pdo_fetch('SELECT * FROM ' . tablename('ewei_shop_merch_user_class') . ' WHERE id = :classid',array('classid' => $_GPC['classid'])); } $table = tablename('ewei_shop_merch_user_address'); if($merch['cateid'] == 6){ if($merch['company_number'] == 'TXDX001'){ $where.= " and class_type = 'DX'"; }else if($merch['company_number'] == 'TXDX002'){ $where.= " and class_type = 'YD'"; }else if($merch['company_number'] == 'TXDX003'){ $where.= " and class_type = 'LT'"; } $table =tablename('ewei_shop_merch_tx_address'); } $detail = pdo_fetchall("SELECT * FROM $table " ."$where"); // var_dump($detail); if($detail){ $html = ''; foreach ($detail as $key=>$v) { if($v['lat'] == '' || $v['lng'] == ''){ $lntarr = $this->addresstolatlag($v['detail']); $store['lng'] = $lntarr[0]; $store['lat'] = $lntarr[1]; // var_dump($lntarr); $lat_num = explode('.', $store['lat']); if (1 < sizeof($lat_num)) { $decimal = end($lat_num); $count = strlen($decimal); if ($count <= 6) { $gcj02 = $this->Convert_GCJ02_To_BD09($store['lat'], $store['lng']); $store['lat'] = $gcj02['lat']; $store['lng'] = $gcj02['lng']; } } $distance = m('util')->GetDistance($lat, $lng, $store['lat'], $store['lng'], 2); $where = array(); $where['id'] = $v['id']; pdo_update('ewei_shop_merch_user_address', $store,$where); }else{ $distance = m('util')->GetDistance($lat, $lng, $v['lat'], $v['lng'], 2); } $detail[$key]['distance'] = $distance; $flag[] = $distance; } array_multisort($flag, SORT_ASC, $detail); //按距离排序 foreach ($detail as $key=>$v) { $distance = $v['distance']; $html.='<div class="iimg"> <img id="" width="110" src="../addons/ewei_shopv2/static/img/4S.jpg" alt="" /> </div> <div class="info"> <p class="s_title">'.$v["shopname"].'</p> <p class="s_address"> '.$v['detail'].'</p> <p class="s_address" style=" color: green;"> 距您'.$distance.'km</p> <div class="s_bot"> <a href="tel:'.$v["tel1"].'" style="color:#000"><div class="bimgl" style=" width: 40px;"><img width="20" src="../addons/ewei_shopv2/static/img/carTel.jpg" alt="" /> </div> <div class="btel"> '.$v['tel1'].'</div></a> <div class="bimgr" onclick="docollectad('.$v['id'].','.$table.')"><img width="20" src="../addons/ewei_shopv2/static/img/carSC.jpg" alt="" /></div> <a href="./index.php?i=4&c=entry&m=ewei_shopv2&do=mobile&r=shop.category.address&merchid='.$merch['id'].'&detail='.$v['detail'].'&shopname='.$v['shopname'].'"><div class="bimgr"><img width="20" src="../addons/ewei_shopv2/static/img/carDW.jpg" alt="" /></div></a> <div class="t_clear"></div> </div> </div> <div class="t_clear"></div>'; } $arr = array('code' => 1, 'html'=>$html); show_json(1, $arr); }else{ $arr = array('code' => 2); show_json(1, $arr); } }
/** * 计算两组经纬度坐标 之间的距离 * params ：lat1 纬度1； lng1 经度1； lat2 纬度2； lng2 经度2； len_type （1:m or 2:km); * return m or km */ public function GetDistance($lat1, $lng1, $lat2, $lng2, $len_type = 1, $decimal = 2) { $pi = 3.1415926000000001; $er = 6378.1369999999997; $radLat1 = $lat1 * $pi / 180; $radLat2 = $lat2 * $pi / 180; $a = $radLat1 - $radLat2; $b = $lng1 * $pi / 180 - $lng2 * $pi / 180; $s = 2 * asin(sqrt(pow(sin($a / 2), 2) + cos($radLat1) * cos($radLat2) * pow(sin($b / 2), 2))); $s = $s * $er; $s = round($s * 1000); if (1 < $len_type) { $s /= 1000; } return round($s, $decimal); }
public function Convert_GCJ02_To_BD09($lat, $lng) { $x_pi = 3.1415926535897931 * 3000 / 180; $x = $lng; $y = $lat; $z = sqrt($x * $x + $y * $y) - 2.0000000000000002E-5 * sin($y * $x_pi); $theta = atan2($y, $x) - 3.0000000000000001E-6 * cos($x * $x_pi); $data['lng'] = $z * cos($theta) + 0.0064999999999999997; $data['lat'] = $z * sin($theta) + 0.0060000000000000001; // var_dump($data); return $data; } public function addresstolatlag($address){ $url='http://restapi.amap.com/v3/geocode/geo?address='.$address.'&key=48e598c5f71f20d2cd5a18d6e3142d27'; // var_dump(file_get_contents($url));exit; if($result=file_get_contents($url)) { $result = json_decode($result,true); //判断是否成功 if(!empty($result['count'])){ return explode(',',$result['geocodes']['0']['location']); }else{ return false; } } }
说明下 由于 客户给的地址 比较乱 只有详细地址 没有坐标
这边利用高德提供的webapi转换了坐标 之后计算的距离
