Opencv的XML文件的读取操作

#include
#include
#include

using namespace std;
using namespace cv;

int main()
{
	//改变背景的颜色
	system("color 6F");

	//定义该操作的类，定义为读取的模式
	FileStorage fs2("test.doc", FileStorage::READ);

	//从文件中读取
	//将名字为"frameCount"的文件  存到变量frameCount中
	int frameCount = static_cast(fs2["frameCount"]);

	//将名字为"calibrationData"的文件  存到变量data中
	string data;
	fs2["calibrationData"] >> data;

	//将名字为"cameraMatrix"的文件  存到变量cameraMatrix中
	Mat cameraMatrix;
	fs2["cameraMatrix"] >> cameraMatrix;
	//将名字为"distCoeffs"的文件  存到变量cameraMatrix中
	Mat distCoeffs;
	fs2["distCoeffs"] >> distCoeffs;

	//下面读取向量
	//先得到向量的节点 features，然后遍历节点
	FileNode features = fs2["features"];
	//用节点遍历元素，并且显示
	FileNodeIterator it = features.begin();
	FileNodeIterator itend = features.end();
	vector lbpval;
	int arrayValue = 0;
	for (; it != itend; it++, arrayValue++)
	{
		cout << "features #" << arrayValue << ": ";
		cout << "x = " << (int)(*it)["x"] << ", y = " << (int)(*it)["y"] << ", lbp: (";

		//将名字为 "lbp" 的文件 存到变量lbpval中
		(*it)["lbp"] >> lbpval;

		//显示向量中的数据
		for (int i = 0; i < (int)lbpval.size(); i++)
		{
			cout << " " << (int)lbpval[i];
		}
		cout << ")" << endl;
	}

	//输出文件中的数据
	cout << "帧数" << frameCount << endl;
	cout << "现在的日期是：" << data << endl;
	cout << "输出第一个矩阵：" << cameraMatrix << endl;
	cout << "输出第二个矩阵：" << distCoeffs << endl;

	fs2.release();

	return 0;
}