C++ 如何在c+中使用TinyXml2解析xml文件+;节目?
我第一次使用TinyXml2获取xml文件,如下所示:C++ 如何在c+中使用TinyXml2解析xml文件+;节目?,c++,boost,tinyxml2,C++,Boost,Tinyxml2,我第一次使用TinyXml2获取xml文件,如下所示: <ORDER> <ITEM> <SN>132487A-J</SN> <NAME>crank casing</NAME> <Person age="12" passed="Yes">Alive</Person> <QTY>1</QTY> </ITEM> </ORDER> 132487A-J 曲轴机
<ORDER>
<ITEM>
<SN>132487A-J</SN>
<NAME>crank casing</NAME>
<Person age="12" passed="Yes">Alive</Person>
<QTY>1</QTY>
</ITEM>
</ORDER>
132487A-J
曲轴机匣
活着的
1.
那么,如何在VisualStudio中从TinyXml2生成这种类型的xml呢。我在网上搜索过,但他们给出的例子确实冗长而复杂,难以理解。因此,请用C++语言来简单地介绍我的代码,它可以满足我的目的。 注意我添加了一个非巨魔的答案,因为我有时间使用TinyXML
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/xml_parser.hpp>
struct Person {
int age;
bool passed;
enum Condition { Alive, Dead } condition;
friend std::ostream& operator<<(std::ostream& os, Condition c) {
switch (c) {
case Alive : return os << "Alive";
case Dead : return os << "Dead";
}
throw "failure"; //TODO
}
};
struct Order {
struct Item {
std::string serialnumber, name;
Person person;
int quantity;
};
std::vector<Item> items;
};
using Tree = boost::property_tree::ptree;
Tree make_tree(Person const& p) {
Tree pt;
pt.put("<xmlattr>.age", p.age);
pt.put("<xmlattr>.passed", p.passed?"Yes":"No");
pt.put_value(p.condition);
return pt;
}
Tree make_tree(Order::Item const& p) {
Tree pt;
pt.put("SN", p.serialnumber);
pt.put("NAME", p.name);
pt.put_child("Person", make_tree(p.person));
pt.put("QTY", p.quantity);
return pt;
}
Tree make_tree(Order const& p) {
Tree pt;
Tree& order = pt.put_child("ORDER", {});
for (auto& item : p.items)
order.add_child("ITEM", make_tree(item));
return pt;
}
#include <iostream>
/*
* <ORDER>
* <ITEM>
* <SN>132487A-J</SN>
* <NAME>crank casing</NAME>
* <Person age="12" passed="Yes">Alive</Person>
* <QTY>1</QTY>
* </ITEM>
* </ORDER>
*
*/
int main() {
Order const order {
{
Order::Item {
"132487A-J", "crank casing",
Person { 12, true, Person::Alive },
1
},
}
};
using namespace boost::property_tree;
auto settings = xml_parser::xml_writer_make_settings<std::string>(' ', 4, "utf-8");
write_xml(std::cout, make_tree(order), settings);
}
#包括
#包括
结构人{
智力年龄;
布尔通过;
枚举条件{Alive,Dead}条件;
friend std::troll答案类别中的ostream&operator:
注意我添加了一个非巨魔的答案,因为我有时间使用TinyXML
Boost属性树
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/xml_parser.hpp>
struct Person {
int age;
bool passed;
enum Condition { Alive, Dead } condition;
friend std::ostream& operator<<(std::ostream& os, Condition c) {
switch (c) {
case Alive : return os << "Alive";
case Dead : return os << "Dead";
}
throw "failure"; //TODO
}
};
struct Order {
struct Item {
std::string serialnumber, name;
Person person;
int quantity;
};
std::vector<Item> items;
};
using Tree = boost::property_tree::ptree;
Tree make_tree(Person const& p) {
Tree pt;
pt.put("<xmlattr>.age", p.age);
pt.put("<xmlattr>.passed", p.passed?"Yes":"No");
pt.put_value(p.condition);
return pt;
}
Tree make_tree(Order::Item const& p) {
Tree pt;
pt.put("SN", p.serialnumber);
pt.put("NAME", p.name);
pt.put_child("Person", make_tree(p.person));
pt.put("QTY", p.quantity);
return pt;
}
Tree make_tree(Order const& p) {
Tree pt;
Tree& order = pt.put_child("ORDER", {});
for (auto& item : p.items)
order.add_child("ITEM", make_tree(item));
return pt;
}
#include <iostream>
/*
* <ORDER>
* <ITEM>
* <SN>132487A-J</SN>
* <NAME>crank casing</NAME>
* <Person age="12" passed="Yes">Alive</Person>
* <QTY>1</QTY>
* </ITEM>
* </ORDER>
*
*/
int main() {
Order const order {
{
Order::Item {
"132487A-J", "crank casing",
Person { 12, true, Person::Alive },
1
},
}
};
using namespace boost::property_tree;
auto settings = xml_parser::xml_writer_make_settings<std::string>(' ', 4, "utf-8");
write_xml(std::cout, make_tree(order), settings);
}
#包括
#包括
结构人{
智力年龄;
布尔通过;
枚举条件{Alive,Dead}条件;
friend std::troll答案类别中的ostream&operator:
注意我添加了一个非巨魔的答案,因为我有时间使用TinyXML
Boost属性树
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/xml_parser.hpp>
struct Person {
int age;
bool passed;
enum Condition { Alive, Dead } condition;
friend std::ostream& operator<<(std::ostream& os, Condition c) {
switch (c) {
case Alive : return os << "Alive";
case Dead : return os << "Dead";
}
throw "failure"; //TODO
}
};
struct Order {
struct Item {
std::string serialnumber, name;
Person person;
int quantity;
};
std::vector<Item> items;
};
using Tree = boost::property_tree::ptree;
Tree make_tree(Person const& p) {
Tree pt;
pt.put("<xmlattr>.age", p.age);
pt.put("<xmlattr>.passed", p.passed?"Yes":"No");
pt.put_value(p.condition);
return pt;
}
Tree make_tree(Order::Item const& p) {
Tree pt;
pt.put("SN", p.serialnumber);
pt.put("NAME", p.name);
pt.put_child("Person", make_tree(p.person));
pt.put("QTY", p.quantity);
return pt;
}
Tree make_tree(Order const& p) {
Tree pt;
Tree& order = pt.put_child("ORDER", {});
for (auto& item : p.items)
order.add_child("ITEM", make_tree(item));
return pt;
}
#include <iostream>
/*
* <ORDER>
* <ITEM>
* <SN>132487A-J</SN>
* <NAME>crank casing</NAME>
* <Person age="12" passed="Yes">Alive</Person>
* <QTY>1</QTY>
* </ITEM>
* </ORDER>
*
*/
int main() {
Order const order {
{
Order::Item {
"132487A-J", "crank casing",
Person { 12, true, Person::Alive },
1
},
}
};
using namespace boost::property_tree;
auto settings = xml_parser::xml_writer_make_settings<std::string>(' ', 4, "utf-8");
write_xml(std::cout, make_tree(order), settings);
}
#包括
#包括
结构人{
智力年龄;
布尔通过;
枚举条件{Alive,Dead}条件;
friend std::troll答案类别中的ostream&operator:
注意我添加了一个非巨魔的答案,因为我有时间使用TinyXML
Boost属性树
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/xml_parser.hpp>
struct Person {
int age;
bool passed;
enum Condition { Alive, Dead } condition;
friend std::ostream& operator<<(std::ostream& os, Condition c) {
switch (c) {
case Alive : return os << "Alive";
case Dead : return os << "Dead";
}
throw "failure"; //TODO
}
};
struct Order {
struct Item {
std::string serialnumber, name;
Person person;
int quantity;
};
std::vector<Item> items;
};
using Tree = boost::property_tree::ptree;
Tree make_tree(Person const& p) {
Tree pt;
pt.put("<xmlattr>.age", p.age);
pt.put("<xmlattr>.passed", p.passed?"Yes":"No");
pt.put_value(p.condition);
return pt;
}
Tree make_tree(Order::Item const& p) {
Tree pt;
pt.put("SN", p.serialnumber);
pt.put("NAME", p.name);
pt.put_child("Person", make_tree(p.person));
pt.put("QTY", p.quantity);
return pt;
}
Tree make_tree(Order const& p) {
Tree pt;
Tree& order = pt.put_child("ORDER", {});
for (auto& item : p.items)
order.add_child("ITEM", make_tree(item));
return pt;
}
#include <iostream>
/*
* <ORDER>
* <ITEM>
* <SN>132487A-J</SN>
* <NAME>crank casing</NAME>
* <Person age="12" passed="Yes">Alive</Person>
* <QTY>1</QTY>
* </ITEM>
* </ORDER>
*
*/
int main() {
Order const order {
{
Order::Item {
"132487A-J", "crank casing",
Person { 12, true, Person::Alive },
1
},
}
};
using namespace boost::property_tree;
auto settings = xml_parser::xml_writer_make_settings<std::string>(' ', 4, "utf-8");
write_xml(std::cout, make_tree(order), settings);
}
#包括
#包括
结构人{
智力年龄;
布尔通过;
枚举条件{Alive,Dead}条件;
friend std::ostream&operator这是使用Pugi XML的例子。我真的希望这会更方便用户
注意我添加了一个非巨魔的答案,因为我有时间使用TinyXML
#包括
#包括
#包括
#包括
结构人{
智力年龄;
布尔通过;
枚举条件{Alive,Dead}条件;
friend std::ostream&operator这是使用Pugi XML的例子。我真的希望这会更方便用户
注意我添加了一个非巨魔的答案,因为我有时间使用TinyXML
#包括
#包括
#包括
#包括
结构人{
智力年龄;
布尔通过;
枚举条件{Alive,Dead}条件;
friend std::ostream&operator这是使用Pugi XML的例子。我真的希望这会更方便用户
注意我添加了一个非巨魔的答案,因为我有时间使用TinyXML
#包括
#包括
#包括
#包括
结构人{
智力年龄;
布尔通过;
枚举条件{Alive,Dead}条件;
friend std::ostream&operator这是使用Pugi XML的例子。我真的希望这会更方便用户
注意我添加了一个非巨魔的答案,因为我有时间使用TinyXML
#包括
#包括
#包括
#包括
结构人{
智力年龄;
布尔通过;
枚举条件{Alive,Dead}条件;
friend std::ostream&operator好的,因为您非常有耐心,而且因为我想第一次试用TinyXml2,下面是:
#include <tinyxml2.h>
#include <vector>
#include <iostream>
#include <sstream>
struct Person {
int age;
bool passed;
enum Condition { Alive, Dead } condition;
friend std::ostream& operator<<(std::ostream& os, Condition c) {
switch (c) {
case Alive : return os << "Alive";
case Dead : return os << "Dead";
}
throw "failure"; //TODO
}
};
struct Order {
struct Item {
std::string serialnumber, name;
Person person;
int quantity;
};
std::vector<Item> items;
};
using Tree = tinyxml2::XMLNode;
using Document = tinyxml2::XMLDocument;
Tree* make_tree(Person const& p, Document& doc) {
auto pt = doc.NewElement("Person");
pt->SetAttribute("age", p.age);
pt->SetAttribute("passed", p.passed?"Yes":"No");
std::ostringstream oss;
oss << p.condition;
pt->SetValue(oss.str().c_str());
return pt;
}
Tree* make_tree(Order::Item const& p, Document& doc) {
auto pt = doc.NewElement("ITEM");
(pt->InsertEndChild(doc.NewElement("SN")))->InsertFirstChild(doc.NewText(p.serialnumber.c_str()));
(pt->InsertEndChild(doc.NewElement("NAME")))->InsertFirstChild(doc.NewText(p.name.c_str()));
pt->InsertEndChild(make_tree(p.person, doc));
(pt->InsertEndChild(doc.NewElement("QTY")))->InsertFirstChild(doc.NewText(std::to_string(p.quantity).c_str()));
return pt;
}
Tree* make_tree(Order const& p, Document& doc) {
auto pt = doc.NewElement("ORDER");
for (auto& item : p.items)
pt->InsertEndChild(make_tree(item, doc));
return pt;
}
#include <iostream>
/*
* <ORDER>
* <ITEM>
* <SN>132487A-J</SN>
* <NAME>crank casing</NAME>
* <Person age="12" passed="Yes">Alive</Person>
* <QTY>1</QTY>
* </ITEM>
* </ORDER>
*
*/
int main() {
Order const order {
{
Order::Item {
"132487A-J", "crank casing",
Person { 12, true, Person::Alive },
1
},
}
};
Document doc;
doc.InsertFirstChild(make_tree(order, doc));
tinyxml2::XMLPrinter printer;
doc.Print(&printer);
std::cout << printer.CStr() << "\n";
}
#包括
#包括
#包括
#包括
结构人{
智力年龄;
布尔通过;
枚举条件{Alive,Dead}条件;
friend std::ostream&operatorInsertFirstChild(doc.NewText(p.serialnumber.c_str());
(pt->InsertEndChild(doc.NewElement(“NAME”))->InsertFirstChild(doc.NewText(p.NAME.c_str());
pt->InsertEndChild(生成树(p.person,doc));
(pt->InsertEndChild(doc.NewElement(“数量”))->InsertFirstChild(doc.NewText(std::to_string(p.quantity).c_str());
返回pt;
}
树*make_树(订单常量和p、文档和文档){
自动pt=单据新元素(“订单”);
用于(自动和项目:p.items)
pt->InsertEndChild(生成树(项目、文档));
返回pt;
}
#包括
/*
*
*
*132487A-J
*曲轴箱
*活的
* 1
*
*
*
*/
int main(){
命令常量命令{
{
订单::项目{
“132487A-J”,“曲轴箱”,
人{12,对,人::活着},
1.
},
}
};
文件文件;
doc.InsertFirstChild(生成树(订单,doc));
tinyxml2::XMLPrinter打印机;
文档打印(和打印机);
std::cout好的,因为你非常有耐心,而且因为我想第一次试用TinyXml2,下面是:
#include <tinyxml2.h>
#include <vector>
#include <iostream>
#include <sstream>
struct Person {
int age;
bool passed;
enum Condition { Alive, Dead } condition;
friend std::ostream& operator<<(std::ostream& os, Condition c) {
switch (c) {
case Alive : return os << "Alive";
case Dead : return os << "Dead";
}
throw "failure"; //TODO
}
};
struct Order {
struct Item {
std::string serialnumber, name;
Person person;
int quantity;
};
std::vector<Item> items;
};
using Tree = tinyxml2::XMLNode;
using Document = tinyxml2::XMLDocument;
Tree* make_tree(Person const& p, Document& doc) {
auto pt = doc.NewElement("Person");
pt->SetAttribute("age", p.age);
pt->SetAttribute("passed", p.passed?"Yes":"No");
std::ostringstream oss;
oss << p.condition;
pt->SetValue(oss.str().c_str());
return pt;
}
Tree* make_tree(Order::Item const& p, Document& doc) {
auto pt = doc.NewElement("ITEM");
(pt->InsertEndChild(doc.NewElement("SN")))->InsertFirstChild(doc.NewText(p.serialnumber.c_str()));
(pt->InsertEndChild(doc.NewElement("NAME")))->InsertFirstChild(doc.NewText(p.name.c_str()));
pt->InsertEndChild(make_tree(p.person, doc));
(pt->InsertEndChild(doc.NewElement("QTY")))->InsertFirstChild(doc.NewText(std::to_string(p.quantity).c_str()));
return pt;
}
Tree* make_tree(Order const& p, Document& doc) {
auto pt = doc.NewElement("ORDER");
for (auto& item : p.items)
pt->InsertEndChild(make_tree(item, doc));
return pt;
}
#include <iostream>
/*
* <ORDER>
* <ITEM>
* <SN>132487A-J</SN>
* <NAME>crank casing</NAME>
* <Person age="12" passed="Yes">Alive</Person>
* <QTY>1</QTY>
* </ITEM>
* </ORDER>
*
*/
int main() {
Order const order {
{
Order::Item {
"132487A-J", "crank casing",
Person { 12, true, Person::Alive },
1
},
}
};
Document doc;
doc.InsertFirstChild(make_tree(order, doc));
tinyxml2::XMLPrinter printer;
doc.Print(&printer);
std::cout << printer.CStr() << "\n";
}
#包括
#包括
#包括
#包括
结构人{
智力年龄;
布尔通过;
枚举条件{Alive,Dead}条件;
friend std::ostream&operatorInsertFirstChild(doc.NewText(p.serialnumber.c_str());
(pt->InsertEndChild(doc.NewElement(“NAME”))->InsertFirstChild(doc.NewText(p.NAME.c_str());
pt->InsertEndChild(生成树(p.person,doc));
(pt->InsertEndChild(doc.NewElement(“数量”))->InsertFirstChild(doc.NewText(std::to_string(p.quantity).c_str());
返回pt;
}
树*make_树(订单常量和p、文档和文档){
自动pt=单据新元素(“订单”);
用于(自动和项目:p.items)
pt->InsertEndChild(生成树(项目、文档));
返回pt;
}
#包括
/*
*
*
*132487A-J
*曲轴箱
*活的
* 1
*
*
*
*/
int main(){
命令常量命令{
{
订单::项目{
“132487A-J”,“曲轴箱”,
人{12,对,人::活着},
1.
},
}
};
文件文件;
doc.InsertFirstChild(生成树(订单,doc));
tinyxml2::XMLPrinter打印机;
文档打印(和打印机);
std::cout好的,因为你非常有耐心,因为我想试用TinyXml2治疗f