文件读写操作

文件读写操作

文件读写操作

一

// 打印CSV   逐行写入
#include <fstream>
using namespace std;std::ofstream f_po("pose.csv", ios::app | ios::out);
f_po << "x" << "," << x << ",";
f_po << "y" << "," << y << ",";
f_po << "yaw" << "," << yaw  << ","<< "n";
f_po.close();

2.C语言

//
#include "stdio.h"
*FILE *f_pose = fopen("vehicle_pose.csv", "w");
fprintf(f_pose, "%f,%f,%fn", x , y , yaw );
fclose(f_pose);*/

// An highlighted block
#include "stdio.h"
*FILE *f_pose = fopen("vehicle_pose.csv", "w");
for(int i=0,i<10,i++)
{fprintf(f_pose, "%f,%f,%fn", x[i] , yx[i] , yawx[i] );
}
fclose(f_pose);*/