【C++】用 yaml 文件读写

https://blog.csdn.net/weixin_44088559/article/details/108587440

https://frank909.blog.csdn.net/article/details/89515470?spm=1001.2101.3001.6650.5&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-5-89515470-blog-111933856.t5_layer_eslanding_sa_randoms&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-5-89515470-blog-111933856.t5_layer_eslanding_sa_randoms&utm_relevant_index=10

https://blog.csdn.net/Fourier_Legend/article/details/82798297?spm=1001.2101.3001.6650.12&utm_medium=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-12-82798297-blog-89515470.t0_searchtargeting_v1&depth_1-utm_source=distribute.pc_relevant.none-task-blog-2%7Edefault%7ECTRLIST%7ERate-12-82798297-blog-89515470.t0_searchtargeting_v1&utm_relevant_index=16

 

yaml 文件

param_a: 99

param_b: "sfsdf"

param:
  param_c: 100

 

CMakists.txt

add_executable(yat yaml_test.cpp)

target_link_libraries(yat
  yaml-cpp
)

 

 

cpp文件

#include <iostream>
#include "yaml-cpp/yaml.h"


int main(int argc, char * argv[])
{

    std::string pathplanning_behavior_tree_yaml_path = "../param/param_test.yaml";   // 相对路径 是可执行文件所在路径
    YAML::Node pathplanning_behavior_tree_config = YAML::LoadFile(pathplanning_behavior_tree_yaml_path);
    double a = pathplanning_behavior_tree_config["param_a"].as<double>();
    std::string b = pathplanning_behavior_tree_config["param_b"].as<std::string>();
    double c = pathplanning_behavior_tree_config["param"]["param_c"].as<double>();
    std::cout << " a " << a << " b " << b << " c " << c << std::endl;  //  a 99 b sfsdf c 100
    return 0;
}