xmlTest

// xmlTest.cpp : 定义控制台应用程序的入口点。
//

#include "stdafx.h"

#include <iostream>
#include <string>
#include <windows.h>
#include <atlstr.h>
#include <vector>

#define TIXML_USE_STL
#include "tinyxml.h"
#include "tinystr.h"

#pragma comment(lib,"tinyxmlSTL.lib")

using namespace std;

struct ST_DEVICE_INFO
{
	string m_strID;                 //设备ID
	string m_strParentID;           //父ID
	string m_strName;               //设备名

	int m_nType;                    //类型
	int m_nStatus;                  //状态

	float m_fLongitude;             //经度
	float m_fLatitude;              //纬度

	ST_DEVICE_INFO()
	{
		m_strID.clear();
		m_strParentID.clear();
		m_strName.clear();

		m_nType = 0;
		m_nStatus = 0;

		m_fLongitude = 0;
		m_fLatitude = 0;
	}
};
typedef vector<ST_DEVICE_INFO> VEC_DEVICE;

std::string UtfToGbk(const char* utf8)
{
	int len = MultiByteToWideChar(CP_UTF8, 0, utf8, -1, NULL, 0);
	wchar_t* wstr = new wchar_t[len + 1];
	memset(wstr, 0, len + 1);
	MultiByteToWideChar(CP_UTF8, 0, utf8, -1, wstr, len);
	len = WideCharToMultiByte(CP_ACP, 0, wstr, -1, NULL, 0, NULL, NULL);
	char* str = new char[len + 1];
	memset(str, 0, len + 1);
	WideCharToMultiByte(CP_ACP, 0, wstr, -1, str, len, NULL, NULL);
	if (wstr) delete[] wstr;
	return str;
}

bool CreateXmlFile(string& szFileName)
{//创建xml文件,szFilePath为文件保存的路径,若创建成功返回true,否则false
    try
    {
        //创建一个XML的文档对象。
        TiXmlDocument *myDocument = new TiXmlDocument();

        TiXmlElement *RootElement = new TiXmlElement("Response");
        myDocument->LinkEndChild(RootElement);

        TiXmlElement *DeviceListElement = new TiXmlElement("DeviceList");
        RootElement->LinkEndChild(DeviceListElement);

        DeviceListElement->SetAttribute("Num", "3");

		TiXmlElement *ItemElement = new TiXmlElement("Item");
        DeviceListElement->LinkEndChild(ItemElement);


        TiXmlElement *DeviceIDElement = new TiXmlElement("DeviceID");
        TiXmlElement *NameElement = new TiXmlElement("Name");
        ItemElement->LinkEndChild(DeviceIDElement);
        ItemElement->LinkEndChild(NameElement);

        TiXmlText *DeviceIDContent = new TiXmlText("44130000002000000002");
        TiXmlText *NameContent = new TiXmlText("测试平台");
        DeviceIDElement->LinkEndChild(DeviceIDContent);
        NameElement->LinkEndChild(NameContent);

		myDocument->SaveFile(szFileName.c_str());//保存到文件
    }
    catch (string& e)
    {
        return false;
    }
    return true;
}

bool ReadXmlFile(string& szFileName)
{//读取Xml文件，并遍历
    try
    {
        //创建一个XML的文档对象。
        TiXmlDocument *myDocument = new TiXmlDocument(szFileName.c_str());
        myDocument->LoadFile();
        //获得根元素，即Response。
        TiXmlElement *RootElement = myDocument->RootElement();
        //输出根元素名称，即输出Response。
        cout << RootElement->Value() << endl;
        //获得第一个DeviceList节点。
        TiXmlElement *DeviceListElement = RootElement->FirstChildElement();
		TiXmlAttribute *NumAttribute = DeviceListElement->FirstAttribute();
		cout << NumAttribute->Value()<< endl;

        //获得第一个Person的name节点和age节点和ID属性。
        TiXmlElement *ItemElement = DeviceListElement->FirstChildElement();
		for (int i = 0; i < 3; i++)
		{
			if (ItemElement)
			{
				TiXmlElement *DeviceIDElement = ItemElement->FirstChildElement();
				//这里注意判断是否存在，否则容易崩溃
				if (DeviceIDElement && DeviceIDElement->FirstChild())
				{
					cout << DeviceIDElement->FirstChild()->Value() << endl;

					TiXmlElement *NameElement = DeviceIDElement->NextSiblingElement();
					if (NameElement && NameElement->FirstChild())
					{
						cout << NameElement->FirstChild()->Value() << endl;

						TiXmlElement *ParentIDElement = NameElement->NextSiblingElement();
						if (ParentIDElement && ParentIDElement->FirstChild())
						{
							cout << ParentIDElement->FirstChild()->Value() << endl;
						}
					}
				}

				ItemElement = ItemElement->NextSiblingElement();
			}
		}
    }
    catch (string& e)
    {
        return false;
    }
    return true;
}

bool ReadXmlString(string& xmlString, VEC_DEVICE& device_list)
{//读取Xml文件，并遍历
    try
    {
        //创建一个XML的文档对象。
        TiXmlDocument *myDocument = new TiXmlDocument();
		myDocument->Parse(xmlString.c_str());
        //获得根元素，即Response。
        TiXmlElement *RootElement = myDocument->RootElement();
        //输出根元素名称，即输出Response。
        cout << RootElement->Value() << endl;
        //获得第一个DeviceList节点。
        TiXmlElement *DeviceListElement = RootElement->FirstChildElement();
		TiXmlAttribute *NumAttribute = DeviceListElement->FirstAttribute();
		cout << NumAttribute->Value()<< endl;

        //获得第一个Person的name节点和age节点和ID属性。
        TiXmlElement *ItemElement = DeviceListElement->FirstChildElement();
		ST_DEVICE_INFO device_info ;
		for (; ItemElement != NULL; ItemElement = ItemElement->NextSiblingElement())
		{
			if (ItemElement)
			{
				ST_DEVICE_INFO device_info;
				TiXmlElement *DeviceIDElement = ItemElement->FirstChildElement();
				if (DeviceIDElement && DeviceIDElement->FirstChild())
				{
					string str = "";
					str = DeviceIDElement->FirstChild()->Value();
					//注意是否需要从utf-8转为GBK
					device_info.m_strID = str.c_str();// UtfToGbk(str.c_str());
					cout << "ID   "<<device_info.m_strID.c_str()<< endl;

					TiXmlElement *NameElement = DeviceIDElement->NextSiblingElement();
					if (NameElement && NameElement->FirstChild())
					{
						str = "";
						str = NameElement->FirstChild()->Value();
						device_info.m_strName = str.c_str();// UtfToGbk(str.c_str());
						cout << "name  "<< device_info.m_strName << endl;

						TiXmlElement *ParentIDElement = NameElement->NextSiblingElement();
						if (ParentIDElement && ParentIDElement->FirstChild())
						{
							str = "";
							str = ParentIDElement->FirstChild()->Value();
							device_info.m_strParentID = str.c_str();// UtfToGbk(str.c_str());
							cout << "m_strParentID  "<<device_info.m_strParentID.c_str()<< endl;
						}

						device_info.m_nStatus = 1;

						device_list.push_back(device_info);
					}
				}
				else
				{
					continue;
				}
			}
		}
    }
    catch (string& e)
    {
        return false;
    }
    return true;
}

int _tmain(int argc, _TCHAR* argv[])
{
	string fileName = "test.xml";
    CreateXmlFile(fileName);

	cout << "xml文件解析：" << endl;
    ReadXmlFile(fileName);

	cout << endl;
	cout << "字符串解析：" << endl;

	string xmlStr = "\
				<?xml version=\"1.0\" encoding=\"utf - 8\" standalone=\"no\" ?> \
				<Response>\
					<DeviceList Num=\"3\">\
						<Item>\
							<DeviceID>44130000002000000002</DeviceID>\
							<Name>测试平台</Name>\
						</Item>\
						<Item>\
							<DeviceID>441301</DeviceID>\
							<Name>惠州市</Name>\
							<ParentID>44130000002000000002</ParentID>\
						</Item>\
						<Item>\
							<DeviceID>44130000002000000068</DeviceID>\
							<Name>邮政储蓄门口</Name>\
							<ParentID>441301</ParentID>\
						</Item>\
						<Item>\
							<DeviceID>44130000002000000068</DeviceID>\
							<Name>邮政储蓄门口</Name>\
							<ParentID>441301</ParentID>\
						</Item>\
						<Item>\
							<DeviceID>44130000002000000068</DeviceID>\
							<Name>邮政储蓄门口</Name>\
							<ParentID>441301</ParentID>\
						</Item>\
						<Item>\
							<DeviceID>44130000002000000068</DeviceID>\
							<Name>邮政储蓄门口</Name>\
							<ParentID>441301</ParentID>\
						</Item>\
						<Item>\
							<DeviceID>44130000002000000068</DeviceID>\
							<Name>邮政储蓄门口</Name>\
							<ParentID>441301</ParentID>\
						</Item>\
						<Item>\
							<DeviceID>44130000002000000068</DeviceID>\
							<Name>邮政储蓄门口</Name>\
							<ParentID>441301</ParentID>\
						</Item>\
					</DeviceList>\
				</Response>" ;

	VEC_DEVICE device_list ;
	device_list.clear() ;
	ReadXmlString(xmlStr, device_list) ;
	cout << endl;

	for (int i = 0; i < device_list.size(); i++)
	{
		cout<< "设备ID：" <<device_list[i].m_strID<<"  设备名称："<<device_list[i].m_strName<<"   父ID： "<<device_list[i].m_strParentID<<endl ;
	}

	system("pause");

	return 0;
}