标签:XML xml cout .. 文件 read FileStorage opencv
opencv中XML文件的读与写
OpenCV中有相关的函数对XML文件进行写与读的操作,
FileStorage fs("../xml/read.xml", FileStorage::WRITE);
FileStorage fs2("../xml/read.xml",FileStorage::READ);
#include<opencv2/opencv.hpp> #include<vector> using namespace std; using namespace cv; void other_way_xml(); int main() { //xml写入 FileStorage fs("../xml/read.xml", FileStorage::WRITE); fs << "one" << 1; fs << "array1" << "[" << 1 << 2 << 3 << "]"; fs << "array2" << "["; float a = 1.0; float b = 2.0; float c = 3.0; fs << a << b << c << "]"; fs.release(); FileStorage fs2("../xml/read.xml",FileStorage::READ); int d; fs2["one"] >> d; cout << d << endl; vector<float> array1, array2; fs2["array1"] >> array1; cout << array1[0] << "," << array1[1] << "," << array1[2] << endl; fs2["array2"] >> array2; cout << array2[0] << "," << array2[1] << "," << array2[2] << endl; fs2.release(); other_way_xml(); return 0; } void other_way_xml() { //写 FileStorage fs("../xml/read2.xml", FileStorage::WRITE); float a = 1.0; float b = 2.0; float c = 3.0; fs << "big_class" << "["; //大类中的细分小类 fs << "{:" << "class1" << a << "class2" << b << "class3" << c << "}" << "]"; fs.release(); //读 FileStorage fs2("../xml/read2.xml", FileStorage::READ); FileNode hand_point = fs2["big_class"]; FileNodeIterator it = hand_point.begin(), it_end = hand_point.end(); cout << "class1:" << (float)(*it)["class1"] << ",class2:" << (float)(*it)["class2"] << ",class3:" << (float)(*it)["class3"] << endl; fs2.release(); return; }
写入的xml文件如下图所示:
read.xml:
read2.xml:
运行结果:
标签:XML,xml,cout,..,文件,read,FileStorage,opencv 来源: https://www.cnblogs.com/Jack-Elvis/p/16592688.html
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