【c++】csv文件读写
2016-12-05 22:28
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由于大作业要有这样一个步骤,但是觉得直接写到txt中比较俗,并且不美观,还是写到csv中方便
//已知左右相机成像坐标求空间坐标 Point l(599,532),r(466,408); Point3f worldPoint; worldPoint = uv2xyz(l,r); //cout<<"空间坐标为:"<<endl<<uv2xyz(l,r)<<endl; //csv文件写入部分 ofstream oFile; //定义文件输出流 oFile.open("三维坐标.csv", ios::out | ios::trunc); //打开要输出的文件,文件不存在会自动新建一个 //写入数据 oFile << "左相机坐标,,,右相机坐标,,,,世界坐标" << endl; oFile << "x,y,,x,y,,x,y,z" << endl; oFile << l.x << "," << l.y << ",," << r.x << "," << r.y << ",," << worldPoint.x << "," << worldPoint.y << "," << worldPoint.z << endl; //关闭文件 oFile.close(); //csv文件读取部分 string value;//临时字符串 ifstream iFile("三维坐标.csv");//打开要读入的文件 //循环行读取 while (iFile.good()) { getline(iFile,value); //getline(iFile,value,','); //.csv文件用","作为分隔符 cout<<value<<endl; }