📄 recent.cpp
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// 静态模型
#include "Recent.h"
#include <iostream>
#include <sstream>
namespace Library
{
/// <summary>默认构造函数</summary>
/// <remarks>只有Book和BookClass需要GUID, 因此调用基类构造函数的BookObject( int )版</remarks>
RecentItem::RecentItem()
:BookObject( 0 )
{
this->count = -1;
}
/// <summary>拷贝构造函数</summary>
/// <remarks>只有Book和BookClass需要GUID, 因此调用基类构造函数的BookObject( int )版</remarks>
RecentItem::RecentItem(const Library::RecentItem ©)
:BookObject( 0 )
{
this->id = copy.id;
this->lastTime = copy.lastTime;
this->count = copy.count;
}
/// <summary>从以一个XML节点加载数据</summary>
int RecentItem::LoadFromXml(TiXmlElement *elem)
{
if(elem == NULL)
return 1;
const char* pAttu = NULL;
pAttu = elem->Attribute("id");
if(NULL != pAttu)
{
this->id = pAttu;
}
else
{
throw KException("没有找到图书的id.缺乏必须的信息.");
}
pAttu = elem->Attribute("lasttime");
if(NULL != pAttu)
{
this->lastTime = pAttu;
}
else
{
throw KException("没有找到打开时间.缺乏必须的信息.");
}
pAttu = elem->Attribute("count");
if(NULL != pAttu)
{
std::stringstream ss;
ss<< pAttu;
ss>> this->count;
}
else
{
throw KException("没有找到打开次数.缺乏必须的信息.");
}
return 0;
}
/// <summary>将最近浏览的数据保存到一个XML节点</summary>
/// <param name="elem">zml节点指针</param>
/// <returns>成功返回i0; 失败返回其他值</returns>
/// <remarks></remarks>
int RecentItem::SaveToXml(TiXmlElement *elem)
{
if(elem == NULL)
return 1;
elem->Clear();
// 节点名
elem->SetValue("BookItem");
// 属性
elem->SetAttribute("id", this->id);
elem->SetAttribute("lasttime", this->lastTime);
std::stringstream ss;
std::string strCount;
ss<< this->count;
ss>> strCount;
elem->SetAttribute("count", strCount);
return 0;
}
} // Library
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