ios 百度地图4种驾车模式

 BMK_DRIVING_BLK_FIRST = -1,
//躲避拥堵(自驾)
BMK_DRIVING_TIME_FIRST = 0,
//最短时间(自驾)
默认
BMK_DRIVING_DIS_FIRST = 1,
//最短路程(自驾)
BMK_DRIVING_FEE_FIRST, //少走高速(自驾)

/**
 *驾乘路线检索
 *异步函数，返回结果在BMKRouteSearchDelegate的onGetDrivingRouteResult通知
 *@param drivingRoutePlanOption 驾车检索信息类
 *@return 成功返回YES，否则返回NO
 */
- (BOOL)drivingSearch:(BMKDrivingRoutePlanOption*)drivingRoutePlanOption;
例子：

/*
BMK_DRIVING_BLK_FIRST = -1, //躲避拥堵(自驾)
BMK_DRIVING_TIME_FIRST = 0, //最短时间(自驾) //默认
BMK_DRIVING_DIS_FIRST = 1, //最短路程(自驾)
BMK_DRIVING_FEE_FIRST, //少走高速(自驾)
*/

BMKDrivingRoutePlanOption *drivingRouteSearchOption = [[BMKDrivingRoutePlanOption alloc]init];
drivingRouteSearchOption.from = start;
drivingRouteSearchOption.to = end;
drivingRouteSearchOption.wayPointsArray = array;
drivingRouteSearchOption.drivingPolicy = tfdrivingPolicy;
BOOL flag = [_routesearch drivingSearch:drivingRouteSearchOption];

if(flag)
{
CHDebugLog(@"search success.");
}

else
{
CHDebugLog(@"search failed!");
}