opencv学习-读写xml

来源：互联网发布：淘宝降价通知如何设置? 编辑：程序博客网时间：2024/05/18 02:08
本文转载至http://blog.csdn.net/jarvischu/article/details/8481510
#include "stdafx.h"#include <iostream>#include "opencv2/opencv.hpp"using namespace std;int _tmain(int argc, _TCHAR* argv[]){//创建XML文件存储CvFileStorage* fs = cvOpenFileStorage("jarvischu.xml",      0,     //用于存储的内存，如果为NULL,则会使用一个临时内存      CV_STORAGE_WRITE,     "GB2312"//编码     );//写入数据cvWriteInt(fs,"frame_count",10);  //--写IntcvWriteReal(fs,"pi",3.14);             //--写Float//--写结构体cvStartWriteStruct(fs,"frame_size",CV_NODE_MAP,"id_size" );// 有名称（会新建一个标签）cvWriteInt(fs,"width",320);cvWriteInt(fs,"height",200);cvEndWriteStruct(fs);cvStartWriteStruct(fs,"author_info",CV_NODE_SEQ,"id_author");// 无名称cvWriteString(fs,0,"JarvisChu");cvWriteString(fs,0,"China");cvEndWriteStruct(fs);//--写矩阵unsigned char vec[]={1,2,3,4,5,6,7,8,9};CvMat mat = cvMat(3,3,CV_8UC1,vec);cvWrite(fs,"Matrix",&mat);//--写注释cvWriteComment(fs,"This is a example for operatoring the xml file",0);//不为0表示放在当前行，0表示新行//释放cvReleaseFileStorage(&fs);//打开XML文件fs = cvOpenFileStorage("jarvischu.xml",       0,     //用于存储的内存，如果为NULL,则会使用一个临时内存CV_STORAGE_READ,"GB2312"//编码      );//读取数据int f = cvReadIntByName(fs,0,"frame_count",0);//读取有名字的Int//--读取元素数据CvFileNode* fn = cvGetFileNodeByName(fs,0,"frame_size"); //先读取父元素（标签，节点）int width = cvReadIntByName(fs,fn,"width"); //通过父元素读取子元素int height = cvReadIntByName(fs,fn,"height");//--读取元素内的顺序数据fn = cvGetFileNodeByName(fs,0,"author_info");//先读取元素CvSeq* seq = fn->data.seq;    //获取元素的顺序流const char* name = cvReadString((CvFileNode*)cvGetSeqElem(seq,0));//读取顺序流中数据 0const char* country = cvReadString((CvFileNode*)cvGetSeqElem(seq,1));//读取顺序流中数据 1cout<<"frame_count:"<<f<<endl<<"width:"<<width<<endl<<"height"<<height<<endl\<<"name:"<<name<<endl<<"country:"<<country<<endl;return 0;}