条件编译实现日志打印

</pre><pre name="code" class="cpp">// test1.cpp : 定义控制台应用程序的入口点。#include "stdafx.h"#include "iostream"#include"stdlib.h"using namespace std;//条件编译实现日志打印#define MYDEBUG#ifdef MYDEBUG#define LOG(a,...) printf(a,##__VA_ARGS__)  //定义可变参数的宏#else#define LOG(a)#endifvoid main(){LOG("12333333333%d-%s,%d",3,"liu",23);}