pugixml github地址 : https://github.com/zeux/pugixml
pugixml 可以在github上直接下载到源码,包括两个头文件(pugixml.hpp pugiconfig.hpp) 和 一个源文件(pugixml.cpp)
#include <iostream> #include <cstdint> #include "pugixml.hpp" static const int32_t nBufSize = 128; static char szBuf[nBufSize] = { 0 }; // 写操作 void Write(const char *szXmlFileName) { pugi::xml_document xmlDoc; pugi::xml_node nodeRoot = xmlDoc.append_child("root"); // 声明 pugi::xml_node pre = xmlDoc.prepend_child(pugi::node_declaration); pre.append_attribute("version") = "1.0"; pre.append_attribute("encoding") = "utf-8"; // 注释节点1 pugi::xml_node nodeCommentStudents = nodeRoot.append_child(pugi::node_comment); nodeCommentStudents.set_value("all students info"); // 普通节点1 pugi::xml_node nodeStudents = nodeRoot.append_child("students"); for(int32_t i = 0; i < 10; ++i) { sprintf_s(szBuf, nBufSize, "student_%02d", i); pugi::xml_node nodeStudent = nodeStudents.append_child("student"); // 增加属性 nodeStudent.append_attribute("name").set_value(szBuf); nodeStudent.append_attribute("score").set_value(100 - i); } // 注释节点2 pugi::xml_node nodeCommentBooks = nodeRoot.append_child(pugi::node_comment); nodeCommentBooks.set_value("all books info"); // 普通结点2 pugi::xml_node nodeBooks = nodeRoot.append_child("books"); for(int32_t i = 0; i < 10; ++i) { sprintf_s(szBuf, nBufSize, "book_%02d", i); pugi::xml_node nodeBook = nodeBooks.append_child("book"); // 增加属性 nodeBook.append_attribute("book").set_value(szBuf); nodeBook.append_attribute("price").set_value(50 - i); } xmlDoc.save_file(szXmlFileName, "\t", 1U, pugi::encoding_utf8); } // 读操作 void Read(const char *szXmlFileName) { pugi::xml_document xmlDoc; if(!xmlDoc.load_file(szXmlFileName, pugi::parse_default, pugi::encoding_utf8)) { std::cout << "read " << szXmlFileName << " failed" << std::endl; return; } xmlDoc.load_file(szXmlFileName, pugi::parse_default, pugi::encoding_utf8); pugi::xml_node nodeRoot = xmlDoc.child("root"); // 读取第一个节点 for(pugi::xml_node node = nodeRoot.child("students").first_child(); node; node = node.next_sibling()) { std::cout << "\t" << node.attribute("name").value() << "," << node.attribute("score").value() << std::endl; } std::cout << std::endl; // 读取第二个节点 for(pugi::xml_node node = nodeRoot.child("books").first_child(); node; node = node.next_sibling()) { std::cout << "\t" << node.attribute("book").value() << "," << node.attribute("price").value() << std::endl; } } int32_t main() { const char *szXmlFileName = "info.xml"; Write(szXmlFileName); Read(szXmlFileName); std::cout << "finish" << std::endl; getchar(); return 0; }
生成的示例文件:
<?xml version="1.0" encoding="utf-8"?> <root> <!--all students info--> <students> <student name="student_00" score="100" /> <student name="student_01" score="99" /> <student name="student_02" score="98" /> <student name="student_03" score="97" /> <student name="student_04" score="96" /> <student name="student_05" score="95" /> <student name="student_06" score="94" /> <student name="student_07" score="93" /> <student name="student_08" score="92" /> <student name="student_09" score="91" /> </students> <!--all books info--> <books> <book book="book_00" price="50" /> <book book="book_01" price="49" /> <book book="book_02" price="48" /> <book book="book_03" price="47" /> <book book="book_04" price="46" /> <book book="book_05" price="45" /> <book book="book_06" price="44" /> <book book="book_07" price="43" /> <book book="book_08" price="42" /> <book book="book_09" price="41" /> </books> </root>
时间: 2024-10-10 00:47:47