C++操作XML之创建（1）

傷城~ 2022-06-17 00:08 278阅读 0赞

**C++操作XML之创建（1）**

**-------------------------------------------XMLElement.h--------------------------------------------------**

**\#include<string>  
\#include<vector>  
\#include<map>  
\#include<iostream>  
using namespace std;**

**class XMLElement  
\{  
public:  
XMLElement();**

**void setElementName(const string &inName);**

**void setAttribute(const string &inAttributeName,const string &inAttributeValue);**

**void addSubElement(const XMLElement \*inElement);**

**void setTextNode(const string &inValue);**

**string getMyInfo() const;**

**string getMySubElemInfo() const;**

**friend ostream& operator<<(ostream &outStream,const XMLElement &inElem);**

**protected:  
void writeToStream(ostream& outStream,int inIndentLevel=0) const;**

**void indentStream(ostream& outStream,int inIndentLevel) const;**

**private:  
string mElementName;  
map<string,string> mAttributes;  
vector<const XMLElement\*> mSubElements;  
string mTextNode;  
\};**

**---------------------------------------------XMLElement.cpp----------------------------------------------**

**\#include "stdafx.h"  
\#include "XMLElement.h"  
using namespace std;**

**XMLElement::XMLElement():mElementName("unnamed")  
\{  
\}**

**void XMLElement::setElementName(const std::string &inName)  
\{  
mElementName = inName;  
\}**

**void XMLElement::setAttribute(const std::string &inAttributeName, const std::string &inAttributeValue)  
\{  
mAttributes\[inAttributeName\] = inAttributeValue;  
\}**

**void XMLElement::addSubElement(const XMLElement \*inElement)  
\{  
mSubElements.push\_back(inElement);  
\}**

**void XMLElement::setTextNode(const std::string &inValue)  
\{  
mTextNode = inValue;  
\}**

**string XMLElement::getMyInfo() const  
\{  
string info = mElementName + " " ;  
for(map<string,string>::const\_iterator it1 = mAttributes.begin(); it1 != mAttributes.end(); ++it1)  
info += it1->first +" " + it1->second +" ";  
info += mTextNode;  
return info;  
\}**

**string XMLElement::getMySubElemInfo() const  
\{  
string subInfo;  
for(vector< const XMLElement\* >::const\_iterator it2 = mSubElements.begin(); it2 != mSubElements.end(); ++it2)  
\{  
subInfo += (\*it2)->getMyInfo() + "\\n";  
\}  
return subInfo;  
\}  
ostream& operator<<(ostream& outStream,const XMLElement& inElem)  
\{  
inElem.writeToStream(outStream);  
return (outStream);  
\}**

**void XMLElement::writeToStream(std::ostream &outStream, int inIndentLevel) const  
\{  
indentStream(outStream,inIndentLevel);  
outStream<<"<"<<mElementName;  
for(map<string,string>::const\_iterator it1 = mAttributes.begin();it1 !=mAttributes.end(); ++it1)  
\{  
outStream<<" "<<it1->first<<"=\\""<<it1->second<<"\\"";  
\}  
outStream<<">";  
if(mTextNode !="")  
outStream<<mTextNode;  
else  
\{  
outStream<<endl;  
for(vector< const XMLElement\* >::const\_iterator it2 = mSubElements.begin(); it2 != mSubElements.end(); ++it2)  
(\*it2)->writeToStream(outStream,inIndentLevel+1);  
//(\*it2)->writeToStream(outStream,inIndentLevel+1);  
indentStream(outStream,inIndentLevel);  
\}  
outStream<<"</"<<mElementName<<">"<<endl;  
\}**

**void XMLElement::indentStream(std::ostream &outStream, int inIndentLevel) const  
\{  
for(int i=0;i<inIndentLevel;i++)  
outStream<< '\\t';  
\}**

**-------------------------------------------------主函数.cpp--------------------------------------------------**

**// C++andXML.cpp : Defines the entry point for the console application.  
//**

**\#include "stdafx.h"  
\#include<string>  
//\#include<iostream>  
\#include "XMLElement.h"  
//using namespace std;  
int \_tmain(int argc, \_TCHAR\* argv\[\])  
\{**

**XMLElement myXMLElement;  
myXMLElement.setElementName("我的通讯录");  
cout<<"请输入自己的名字：";  
string myName;  
getline(cin,myName);  
cout<<"请输入自己的电话号码：";  
string myPhone;  
getline(cin,myPhone);  
myXMLElement.setAttribute(myName,myPhone);  
  
string friName;  
string friPhone;  
string friAttri;  
int i = 1;  
while(1)  
\{  
cout<<"\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*"<<endl;  
XMLElement \*friXMLElement = new XMLElement();  
cout<<"请输入好友"<<i<<"的名字(以0结束)：";  
getline(cin,friName);  
if(friName=="0")  
break;  
cout<<"请输入他（她）的电话号码：";  
getline(cin,friPhone);  
cout<<"属性为：";  
getline(cin,friAttri);  
string name ="好友";  
name += (char)(i+'0');  
friXMLElement->setElementName(name);  
friXMLElement->setAttribute(friName,friPhone);  
friXMLElement->setTextNode(friAttri);  
//cout<<friXMLElement->getMyInfo()<<endl;  
myXMLElement.addSubElement(friXMLElement);  
i++;  
\}  
cout<<"我的通讯录为："<<endl;  
//cout<<myXMLElement.getMyInfo()<<endl;  
//cout<<myXMLElement.getMySubElemInfo()<<endl;  
cout<<myXMLElement;  
cout<<endl;  
system("pause");  
return 0;  
\}**

**------------------------------------------------程序测试-----------------------------------------------------**

**请输入自己的名字：heyong  
请输入自己的电话号码：1455  
\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*  
请输入好友1的名字(以0结束)：liudehua  
请输入他（她）的电话号码：1345  
属性为：friend  
\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*  
请输入好友2的名字(以0结束)：zhangxueyou  
请输入他（她）的电话号码：1873  
属性为：friend  
\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*  
请输入好友3的名字(以0结束)：liming  
请输入他（她）的电话号码：1890  
属性为：friend  
\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*  
请输入好友4的名字(以0结束)：guofucheng  
请输入他（她）的电话号码：1876  
属性为：friend  
\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*\*  
请输入好友5的名字(以0结束)：0  
我的通讯录为：  
<我的通讯录 heyong="1455">  
<好友1 liudehua="1345">friend</好友1>  
<好友2 zhangxueyou="1873">friend</好友2>  
<好友3 liming="1890">friend</好友3>  
<好友4 guofucheng="1876">friend</好友4>  
</我的通讯录>**

**请按任意键继续. . .**