log.h

文化算法的实际应用

#include <string>
#include <fstream>
#include <iostream>
using namespace std;

class CALog
{
private:
	string mFileName;
	bool mIsAppend;

public:
	ofstream out;
	void Open(string fileName, bool isAppend)
	{
		mIsAppend = isAppend;
		mFileName = fileName;

		try
		{
			if(mIsAppend)
			{
				out.open(mFileName.c_str(), ios::app);
			}
			else
			{
				out.open(mFileName.c_str());
			}
		}
		catch(...)
		{
			exit(-1);
		}
	}

	ostream& operator<<(const string& s)
	{
		out<<s;
		return out;
	}

	ostream& operator<<(const float f)
	{
		out<<f;
		return out;
	}

	ostream& operator<<(const double d)
	{
		out<<d;
		return out;
	}

	void Log(string s)
	{
		out<<s<<endl;
	}

};