在C++中,从RapidXML中提取字符串可以通过以下步骤实现:
#include<iostream>
#include<string>
#include <rapidxml.hpp>
#include <rapidxml_print.hpp>
#include <rapidxml_utils.hpp>
std::string xml_string = "<root><string>Hello, World!</string></root>";
rapidxml::xml_document<> doc;
doc.parse<0>(const_cast<char*>(xml_string.c_str()));
rapidxml::xml_node<>* string_node = doc.first_node()->first_node("string");
std::string extracted_string = string_node->value();
std::cout << "Extracted string: "<< extracted_string<< std::endl;
完整的代码示例如下:
#include<iostream>
#include<string>
#include <rapidxml.hpp>
#include <rapidxml_print.hpp>
#include <rapidxml_utils.hpp>
int main() {
std::string xml_string = "<root><string>Hello, World!</string></root>";
rapidxml::xml_document<> doc;
doc.parse<0>(const_cast<char*>(xml_string.c_str()));
rapidxml::xml_node<>* string_node = doc.first_node()->first_node("string");
std::string extracted_string = string_node->value();
std::cout << "Extracted string: "<< extracted_string<< std::endl;
return 0;
}
输出结果:
Extracted string: Hello, World!
这样,就可以从RapidXML中提取字符串了。
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