#include "stdafx.h"

//Log日志
class YTLog
{
public:
  YTLog();
  ~YTLog();

  bool InitLog(std::wstring& log_file_name); //初始化Log
  bool WriteLog(std::string& logs); //记录Log
  static YTLog* m_ytl ;
  static YTLog* GetInstance();    //获取YTLog的实例
public:
  std::wstring m_logname; //记录Log名称
  HANDLE m_log_handle;//文件句柄
};

#include "stdafx.h"
#include "Logs.h"
#include <time.h>
using namespace std;


string WORD2string(WORD w)
{
  char tmpbuff[16];
  sprintf(tmpbuff,"%d",w);
  string res=tmpbuff;
  return res;
}

YTLog::YTLog(){
  m_logname = L"";
  m_log_handle = nullptr;
  cout << "日志初始化创建" << endl;
}

YTLog::~YTLog()
{
  cout << "日志指针销毁" << endl;
}

YTLog* YTLog::m_ytl = nullptr; //申明为空

bool YTLog::InitLog(std::wstring& log_file_name)
{
  m_logname = log_file_name;
  if (::PathFileExistsW(log_file_name.c_str()))
  {
    cout << "log文件已存在" << endl;
    return false; //文件已存在
  }
  HANDLE p_Handle = CreateFile(log_file_name.c_str(),GENERIC_READ|GENERIC_WRITE,
    0,0,CREATE_NEW,FILE_ATTRIBUTE_NORMAL,0);
  if (p_Handle)
  {
    m_log_handle = p_Handle;
  }
  return false;
}

//记录Log
bool YTLog::WriteLog(std::string& logs)
{
  logs.append("\n"); //添加分号
  SYSTEMTIME sys; 
  GetLocalTime( &sys ); 
  std::string timeStr=""; //记录日期
  timeStr.append(WORD2string(sys.wYear));
  timeStr.append("年");
  timeStr.append(WORD2string(sys.wMonth));
  timeStr.append("月");
  timeStr.append(WORD2string(sys.wDay));
  timeStr.append("日");
  timeStr.append(WORD2string(sys.wHour));
  timeStr.append("时");
  timeStr.append(WORD2string(sys.wMinute));
  timeStr.append("分");
  timeStr.append(WORD2string(sys.wSecond));
  timeStr.append("秒");
  timeStr.append(WORD2string(sys.wMilliseconds));
  timeStr.append("毫秒：");
  timeStr.append(logs);
  if (!m_log_handle)
  {
    cout << "log文件为空！" << endl;
    return false;
  }
  DWORD dwWrite = 0;
  WriteFile(m_log_handle,timeStr.c_str(),strlen(timeStr.c_str()),&dwWrite,NULL);
  return true;
}

YTLog* YTLog::GetInstance()
{
  if(m_ytl == nullptr)
  {
    m_ytl = new YTLog();
  }
  return m_ytl;
}

YTLog * ytl = YTLog::GetInstance();
  std::wstring path_name = L"demo.log";
  ytl->InitLog(path_name);
  std::string log_info = "测试一下数据可以";
  ytl->WriteLog(log_info);
  std::string log_info11 = "测试另一卒";
  ytl->WriteLog(log_info11);
  system("pause");
  return 0;