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驾车路线规划
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接口说明

根据起终点坐标检索符合条件的驾车路线规划方案，支持以下功能：

1. 支持一次请求返回多条路线（备用路线）

2. 支持18个以内的途径点

3. 支持传入车牌规避限行路段

4. 支持传入起点车头方向，辅助判断起点所在正逆向车道，辅助更准确算路

5. 支持未来出行规划，指定未来7天任意出发时刻，将依据智能预测路况和道路限行规划合理路线

API服务地址

https://api.map.baidu.com/direction/v2/driving?origin=40.01116,116.339303&destination=39.936404,116.452562&ak=您的AK
//GET请求

请求参数
字段名称含义字段类型必填备注
ak

用户的访问权限，AK申请

string必填
origin起点经纬度，小数点后不超过6位，40.056878,116.30815string必填起点经纬度，格式为：纬度,经度；小数点后不超过6位，40.056878,116.30815
destination终点经纬度，小数点后不超过6位，40.056878,116.30815string必填终点经纬度，格式为：纬度,经度；小数点后不超过6位，40.056878,116.30815
origin_uid

POI 的 uid（在已知起点POI 的 uid 情况下，请尽量填写uid，将提升路线规划的准确性，
使用地点检索服务获取uid
使用地点输入提示服务获取uid )

string选填
destination_uid

POI 的 uid（在已知终点POI 的 uid 情况下，请尽量填写uid，将提升路线规划的准确性，
使用地点检索服务获取uid
使用地点输入提示服务获取uid

string选填
waypoints

途径点坐标串，支持18个以内的有序途径点。多个途径点坐标按顺序以英文竖线符号分隔，示例： 40.465,116.314|40.232,116.352|40.121,116.453

string选填
coord_type

坐标类型，可选参数，默认为bd09ll。允许的值为：bd09ll（百度经纬度坐标）、bd09mc（百度墨卡托坐标）、gcj02（国测局加密坐标）、wgs84（gps设备获取的坐标）。

string选填默认bd09II
ret_coordtype

返回结果坐标类型，默认为bd09ll，允许的值为：bd09ll（百度经纬度坐标）、gcj02（国测局加密坐标）

string选填默认bd09II
tactics

0：默认
2：距离最短（只返回一条路线，不考虑限行和路况，距离最短且稳定，用于估价场景）
3：不走高速
4：高速优先
5：躲避拥堵
6：少收费
7: 躲避拥堵 & 高速优先
8: 躲避拥堵 & 不走高速
9: 躲避拥堵 & 少收费
10: 躲避拥堵 & 不走高速 & 少收费
11: 不走高速 & 少收费
12: 距离优先（考虑限行和路况，距离相对短且不一定稳定）
13：时间优先

int选填默认0:默认策略
alternatives

是否返回备选路线
类型：string
可选值：
0：返回一条推荐路线
1：返回1-3条路线供选择

int选填默认0
cartype

车辆类型，区分车辆是普通燃油车或纯电动汽车。由于部分城市对燃油车和电动车限行规则有差异，该字段用于结合plate_number车牌号来规避限行。例如：纯电动汽车在北京本地无尾号限行，而燃油车需遵守尾号限行。
可选值：
0：普通汽车
1：纯电动汽车

int选填默认0
plate_number

车牌号，如 京A00022
用于规避车牌号限行路段。
1、若有规避限行区域的可选路线，则返回规避后的路线，不会返回限行路线
2、若无规避限行的可选路线（如：起终点在限行区域内，或所有符合偏好的路线都无法规避限行区域），则返回限行路线中最优路线，并在返回字段 restriction 中提示用户路段被限行

string选填不填则不做规避
departure_time

设置出发时间（支持未来7天），UNIX时间戳。
该字段将影响duration字段的返回，用于返回未来驾车路线耗时。取值范围：当前时间之后7天*24小时内任意时刻（超出时间范围将预估路线）
若设置该参数，则路线规划服务将依据设定时间预测路况和限行规则，并据此计算路线和耗时。详细说明

string选填

默认为当前时间
注意：该功能为高级付费服务，需通过工单联系工作人员开通

ext_departure_time

更多出发时间，UNIX时间戳。
该字段将影响ext_duration字段的返回，用于返回驾车路线历史耗时（路线在指定出发时间的耗时）。目前支持输入过去7天内一个或多个出发时间戳（不超过12个），多个时间戳之间用","英文半角逗号隔开。示例： ext_departure_time=1526527619
ext_departure_time=1526527619,1526525384,1526523654
注：目前出发时间仅影响ext_duration字段，还不会影响路线计算和选择。即仍按照现在的路况计算并推荐路线，但将增加返回该路线在其他时间的耗时。详细说明

string选填

不填则不返回ext_duration字段
注意：该功能为高级付费服务，需通过工单联系工作人员开通

expect_arrival_time

预期的到达时间，UNIX时间戳。
该字段将影响suggest_departure_time字段的返回，用于返回建议出发时间。取值范围：当前时间之后15分钟的任意时刻（小于这个时间则不做处理）
若设置此参数，则路线规划服务将依据设定时间计算路线和耗时，并给出建议出发时间
若算出的suggest_departure_time小于当前时间，则设置suggest_departure_time为-1。详细说明

string选填

不填则不返回ext_duration字段
注意：该功能为高级付费服务，需通过工单联系工作人员开通

gps_direction起点的车头方向。 字段类型：int64 取值范围：0-359int选填

车头方向为与正北方向顺时针夹角，该参数用于辅助判断起点所在正逆向车道，提高算路准确率。 当speed大于1.5米/秒且gps_direction存在时，采用该方向。gps_direction并不代表需填写从gps获取的方向，可以填入校正后的方向。请填写尽量准确的方向，其准确性很大程度决定了计算的精度。

radius起点的定位精度，字段类型：float，取值范围[0,2000]float选填配合gps_direction字段使用
speed起点车辆的行驶速度，字段类型：floatfloat选填

单位：米/秒，配合gps_direction字段使用，当speed大于1.5米/秒且gps_direction存在时，采用gps_direction的方向。

output表示输出类型，可设置为xml或jsonstring选填默认为json
sn

用户的权限签名，当AK设置为SN校验时，该参数必填 SN计算方法

string选填
timestamp时间戳，与SN配合使用int64SN存在时必填
callback回调函数string选填仅在output=json时，该参数有效
intelligent_plan

传入多个途经点，综合考虑路况、交规限行、 途经点的相对位置以及路线整体的绕路成本等，支持智能调整途经点顺序，给出最优路线。可选值：
0（默认值）：不执行途经点智能规划
1：执行途经点智能规划。详细说明

int选填

默认0：不执行途经点智能规划
注意：该功能为高级付费服务，需通过工单联系工作人员开通

walkinfo起终点步导路线int选填

1 表示下发起终点步导路线；
0 不下发起终点步导路线；
默认值为0

steps_info

是否下发step详情
1：下发step详情
0：不下发step详情

int选填
返回参数
字段名称字段含义字段类型备注
status状态码int0：成功
1：服务内部错误
2：参数无效
7：无返回结果
message状态码对应的信息string
type默认返回2，开发者无需关注int
result返回的结果
restriction限行结果提示信息
若无限行路线，则返回空
若无法规避限行，则返回限行提示信息		string
total返回方案的总数int
routes返回的方案集若请求参数设置了符合规则的departure_time，则按照设定时间的预测路况和限行规则计算路线。
若未设置departure_time，则按照当前时刻的路况和限行规则计算路线
restriction_info
status限行状态int取值范围【0,3】 0:无限行 1:已规避限行， 路线合法 2:无法规避限 行，路线非法 3：疫情相关的信息
desc限行提示语string当限行status为1或 2时，会有相应的 限行描述信息。 若该路线有多条 提示信息，则以 英文竖线分隔符 分隔，如: "已为您避开北京 限行区域" "无法为您避开北 京限行区域，请 合理安排出行" "起点在北京限行 区域，请合理安 排出行" "终点在北京限行 区域，请合理安 排出行" "起点在北京限行 区域，请合理安 排出行|终点在北 京限行区域，请 合理安排出行"
origin
lng起点经度double
lat起点纬度double
destination
lng终点经度double
lat终点纬度double
tag方案标签string
route_id如无特殊需要，开发者无需关注string
distance方案距离，单位：米int
duration未来驾车路线耗时，单位：秒string若请求参数设置了符合规则的departure_time，则按照设定出发时间的预测路况计算路线耗时。
若未设置departure_time，则按照当前时刻的路况计算路线耗时
注意：该功能为高级付费服务，需通过工单联系工作人员开通
ext_duration驾车路线历史耗时（扩展），单位：秒int若设置了请求参数ext_departure_time，则返回该字段；
若ext_departure_time设置了一个或多个出发时间则以英文半角逗号","分隔返回多个扩展耗时；
若扩展耗时计算失败，则返回-1。
注意：该功能为高级付费服务，需通过工单联系工作人员开通
suggest_departure_time建议出发时间，单位：秒int64若请求参数设置了符合规则的expect_arrival_time，则按照预计到达时间预测路况计算路线，并给出建议出发时间。
若算出的suggest_departure_time小于当前时间，则设置
suggest_departure_time为-1。
注意：该功能为高级付费服务，需通过工单联系工作人员开通
taxi_fee出租车费用，单位：元int
toll此路线道路收费，单位：元int此高速费为预估价格，与实际高速收费并不完全一致
toll_distance收费路段里程，单位：米int
stepsarray路线分段
leg_index途径点序号int途径点序号为从0开始的整数，用于标识step所属的途径点路段如：若该step属于起点至第一个途径中的路段，则其leg_index为0
direction进入道路的角度int枚举值，返回值在0-11之间的一个值，共12个枚举值，以30度递进，即每个值代表角度范围为30度；其中返回"0"代表345度到15度，以此类推，返回"11"代表315度到345度"；分别代表的含义是：0-[345°-15°]；1-[15°-45°]；2-[45°-75°]；3-[75°-105°]；4-[105°-135°]；5-[135°-165°]；6-[165°-195°]；7-[195°-225°]；8-[225°-255°]；9-[255°-285°]；10-[285°-315°]；11-[315°-345°]
注：角度为与正北方向顺时针夹角
distancestep的距离信息int单位米
origin_road_type起点道路类型，
0 普通道路[默认。绑路策略不参考此入参]；
1高架上；2高架下；3主路；4辅路；(高速和匝道切换其实相当于主辅路切换)		int
road_name分段的道路名称string如“信息路“
若道路未命名或百度地图未采集到该道路名称，则返回"无名路"
road_type分段的道路类型int枚举值：返回0-9之间的值
0：高速路
1：城市高速路
2：国道
3：省道
4：县道
5：乡镇村道
6：其他道路
7：九级路
8：航线(轮渡)
9：行人道路
toll分段道路收费， 单位:元int因一个收费路段可能覆盖多个step，部分情况下费用无法按step准确拆分，故分段step收费可能存在不准确情况
toll_distance分段道路收费路程，单位：米int
toll_gate_name收费站名称string只有在进收费站和出收费站时才有
toll_gate_location
lng收费站位置:经 度double只有在进收费站和出收费站时才有
lat收费站位置:纬 度double只有在进收费站和出收费站时才有
start_location
lng分段起点经度double
lat分段起点纬度double
end_location
lng分段终点经度double
lat分段终点纬度double
path分段坐标string
adcodes分段途经的城市 编码string若途经多个城 市，则adcode以英 文半角逗号相隔 如: 110000,120000
traffic_condition分段路况详情array
status路况指数int0: 无路况 1: 畅通 2: 缓行 3: 拥堵 4: 非常拥堵
geo_cnt从当前坐标点开 始，path中路况相 同的坐标点个数int
distance距离，从当前坐 标点开始path 中 路况相同的距 离，单位:米float注:单条线路中 所有distance的和 会与route的 distance字段存在 差异，不是完全 一致
end_walkinfo终点步导路线array
distance终点步导路线距离int单位米
path终点步导路线坐标点string
start_walkinfo起点步导路线array
distance起点步导路线距离int单位米
path起点步导路线坐标点string
traffic_light红绿灯数量int
如您需要获取未来驾车路线规划，驾车路线历史耗时，建议出发时间，途经点智能路线规划，请点击未来驾车路线规划，驾车路线历史耗时，建议出发时间，途经点智能路线规划。
示例代码
填写您的AK

输入AK可生成包含IP/SN校验方式的代码

<?php 
    // 此处填写你在控制台-应用管理-创建应用后获取的AK
    $ak = '您的AK';
    
    // 发起一个http get请求，并返回请求的结果
    // $url字段为请求的地址
    // $param字段为请求的参数
    function request_get($url = '', $param = array()) {
        if (empty($url) || empty($param)) {
            return false;
        }
        
        $getUrl = $url . "?" . http_build_query($param);
        $curl = curl_init(); // 初始化curl
        curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false); // 跳过证书检查   
        curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, 2); // 从证书中检查SSL加密算法是否存在
        curl_setopt($curl, CURLOPT_URL, $getUrl); // 抓取指定网页
        curl_setopt($curl, CURLOPT_TIMEOUT, 1000); // 设置超时时间1秒
        curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); // curl不直接输出到屏幕
        curl_setopt($curl, CURLOPT_HEADER, 0); // 设置header
        $data = curl_exec($curl); // 运行curl


        if (!$data) {
            print("an error occured in function request_get(): " . curl_error($curl) . "\n");
        }


        curl_close($curl);
        
        return $data;
    }


    // 请求地址
    $url = 'https://api.map.baidu.com/direction/v2/driving';
    
    // 构造请求参数
    $param['origin']   = '40.01116,116.339303';
    $param['destination']   = '39.936404,116.452562';
    $param['ak']   = $ak;


    $res = request_get($url, $param);


    // 将原始返回的结果打印出来
    print("请求的原始返回结果为:\n");
    print($res . "\n");
?>
{
    "status": 0,
    "message": "成功",
    "type": 2,
    "result": {
      "restriction": "",
      "total": 1,
      "session_id": "{"codr":"1424d73fdffaac34791b007bd9c5c3cd_40.00547995022,116.33267814409_39.930670852142,116.44599163213_6","loc":"nj"}@564",
      "routes": [
        {
          "origin": {
            "lng": 116.339646,
            "lat": 40.010519
          },
          "destination": {
            "lng": 116.452389,
            "lat": 39.936406
          },
          "tag": "时间少",
          "mrsl": ""g":"0_1","w":"AAAA","p":"1","label":"8","s":"0","seq":"0"",
          "route_md5": "7242503eaa561373b57b2006ea8eb5b2",
          "traffic_light": 13,
          "distance": 17585,
          "duration": 2052,
          "taxi_fee": 51,
          "steps": [
            {
              "leg_index": 0,
              "link_num": 2,
              "road_name": "无名路",
              "direction": 3,
              "distance": 104,
              "duration": 27,
              "road_type": 6,
              "toll": 0,
              "toll_distance": 0,
              "adcodes": "110000",
              "traffic_condition": [
                {
                  "status": 0,
                  "geo_cnt": 2,
                  "distance": 105.1
                }
              ],
              "path": "116.339646,40.010519;116.340006,40.010546;116.340878,40.010561",
              "start_location": {
                "lng": 116.339646,
                "lat": 40.010519
              },
              "end_location": {
                "lng": 116.340878,
                "lat": 40.010561
              }
            },
            {
              "leg_index": 0,
              "link_num": 2,
              "road_name": "明德路",
              "direction": 6,
              "distance": 132,
              "duration": 26,
              "road_type": 6,
              "toll": 0,
              "toll_distance": 0,
              "adcodes": "110000",
              "traffic_condition": [
                {
                  "status": 0,
                  "geo_cnt": 2,
                  "distance": 132.57
                }
              ],
              "path": "116.340878,40.010561;116.340929,40.009611;116.340919,40.009371",
              "start_location": {
                "lng": 116.340878,
                "lat": 40.010561
              },
              "end_location": {
                "lng": 116.340919,
                "lat": 40.009371
              }
            },
            {
              "leg_index": 0,
              "link_num": 6,
              "road_name": "无名路",
              "direction": 3,
              "distance": 228,
              "duration": 48,
              "road_type": 6,
              "toll": 0,
              "toll_distance": 0,
              "adcodes": "110000",
              "traffic_condition": [
                {
                  "status": 0,
                  "geo_cnt": 6,
                  "distance": 229.63
                }
              ],
              "path": "116.340919,40.009371;116.341881,40.009337;116.342381,40.009305;116.342491,40.009304;116.343343,40.009311;116.343513,40.009321;116.343613,40.009320",
              "start_location": {
                "lng": 116.340919,
                "lat": 40.009371
              },
              "end_location": {
                "lng": 116.343613,
                "lat": 40.00932
              }
            },
            {
              "leg_index": 0,
              "link_num": 5,
              "road_name": "荷清路",
              "direction": 6,
              "distance": 353,
              "duration": 97,
              "road_type": 5,
              "toll": 0,
              "toll_distance": 0,
              "adcodes": "110000",
              "traffic_condition": [
                {
                  "status": 1,
                  "geo_cnt": 5,
                  "distance": 353.09
                }
              ],
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              "path": "116.441382,39.939556;116.442036,39.939554;116.442508,39.939546;116.443142,39.939535;116.443886,39.939542;116.444953,39.939535;116.445224,39.939530;116.445445,39.939527;116.446310,39.939503;116.448783,39.939465;116.449446,39.939465;116.450049,39.939457;116.450270,39.939444",
              "start_location": {
                "lng": 116.441382,
                "lat": 39.939556
              },
              "end_location": {
                "lng": 116.45027,
                "lat": 39.939444
              }
            },
            {
              "leg_index": 0,
              "link_num": 1,
              "road_name": "无名路",
              "direction": 6,
              "distance": 9,
              "duration": 2,
              "road_type": 6,
              "toll": 0,
              "toll_distance": 0,
              "adcodes": "110000",
              "traffic_condition": [
                {
                  "status": 3,
                  "geo_cnt": 1,
                  "distance": 8.91
                }
              ],
              "path": "116.450270,39.939444;116.450270,39.939364",
              "start_location": {
                "lng": 116.45027,
                "lat": 39.939444
              },
              "end_location": {
                "lng": 116.45027,
                "lat": 39.939364
              }
            },
            {
              "leg_index": 0,
              "link_num": 4,
              "road_name": "工人体育场北路辅路",
              "direction": 3,
              "distance": 135,
              "duration": 32,
              "road_type": 7,
              "toll": 0,
              "toll_distance": 0,
              "adcodes": "110000",
              "traffic_condition": [
                {
                  "status": 2,
                  "geo_cnt": 1,
                  "distance": 8.54
                },
                {
                  "status": 0,
                  "geo_cnt": 3,
                  "distance": 127.19
                }
              ],
              "path": "116.450270,39.939364;116.450371,39.939362;116.451174,39.939362;116.451375,39.939359;116.451867,39.939353",
              "start_location": {
                "lng": 116.45027,
                "lat": 39.939364
              },
              "end_location": {
                "lng": 116.451867,
                "lat": 39.939353
              }
            },
            {
              "leg_index": 0,
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              "road_name": "无名路",
              "direction": 6,
              "distance": 413,
              "duration": 102,
              "road_type": 6,
              "toll": 0,
              "toll_distance": 0,
              "adcodes": "110000",
              "traffic_condition": [
                {
                  "status": 0,
                  "geo_cnt": 19,
                  "distance": 415.44
                }
              ],
              "path": "116.451867,39.939353;116.451867,39.939313;116.451867,39.939153;116.451877,39.939073;116.451887,39.938972;116.452490,39.938945;116.452681,39.938943;116.452731,39.938882;116.452701,39.938502;116.452671,39.938433;116.452661,39.938293;116.452721,39.938212;116.452821,39.938021;116.452982,39.937809;116.452691,39.937532;116.452530,39.937314;116.452399,39.936996;116.452359,39.936696;116.452349,39.936597;116.452389,39.936406",
              "start_location": {
                "lng": 116.451867,
                "lat": 39.939353
              },
              "end_location": {
                "lng": 116.452389,
                "lat": 39.936406
              }
            }
          ],
          "restriction_info": {
            "status": 0,
            "desc": ""
          },
          "toll": 0,
          "toll_distance": 0,
          "route_id": "v1_1424d73fdffaac34791b007bd9c5c3cd_82e2f3a503e525b55a17bb82901143782ed49bafcf3770e512609186415300dccac3c279f2703472d2a138e2fa717c1583de0b2a95efb8b9e7b0fb0886171139491ac39a5ef756434860ac42f6c627ab95467f230b78ebc34eff1d803040fd126cf3a5f0b3abd940b33f961e839cc4c5f44cc0d0409b1c59915bada6ca86e5e7ef3608cd2b4d9e4660f75cbe7f9d740c_7242503eaa561373b57b2006ea8eb5b2_nonavi"
        }
      ],
      "holiday": ""
    }
  }
在线运行
参数值备注必选
origin
40.01116,116.339303是
destination
39.936404,116.452562是

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