『常识』打log

来源：互联网发布：linux网络编程经典视频编辑：程序博客网时间：2024/04/30 10:56

在控制台打log可以按调试等级控制颜色显示，一目了然。如果输出到txt等，就得前缀标识作为tag，如[deug][error][modulename]等。都差不多了，喜欢啥就用啥。

下面转载一段代码，用HTML作为log文件，觉得挺好。一次编写可以反复使用。代码来自于：红孩儿

他的代码是服务于Cocos2D-x的，所以有一点点依赖，用的时候，稍稍做修改就可以了。等代码写牛逼了，再拿出来分享，先学习他人。

#ifndef _HHRLOGWRITER_H#define _HHRLOGWRITER_H//==================================================================////File:HHRLOGWRITER.h//Date:2013-09-05//Auto:Honghaier - 卞安//Blog:http://blog.csdn.net/honghaier//Web:http://www.game2z.com//Desc:用于日志的打印//==================================================================//#include <stdio.h>#include <stdlib.h>#include <string>classCHHRLogWriter{public://构造函数CHHRLogWriter();//析构函数~CHHRLogWriter();public://打开文件voidOpenFile(const char* szFileName);//写日志voidWriteLog(const char* szText);//写日志voidWriteError(const char* szText);private://日志FILE*m_pLogFile;//文件名称charm_szLogFile[255];};//日志记录externCHHRLogWriterG_LogWriter;#endif

#include "HHRLogWriter.h"#include "cocos2d.h"#include "ccTypes.h"using namespace std;using namespace cocos2d;CHHRLogWriter::CHHRLogWriter(){m_pLogFile = NULL;m_szLogFile[0]='\0';}CHHRLogWriter::~CHHRLogWriter(){if(m_pLogFile){fprintf(m_pLogFile,"<hr>");fprintf(m_pLogFile,"</body></html>");fclose(m_pLogFile);m_pLogFile = NULL;}}//打开文件voidCHHRLogWriter::OpenFile(const char* szFileName){stringtWritePath = CCFileUtils::sharedFileUtils()->getWritablePath();char    szTempFile[1024];if(tWritePath.back()=='\\' || tWritePath.back()=='//' ){sprintf(szTempFile,"%s%s",tWritePath.c_str(),szFileName);}else{sprintf(szTempFile,"%s\\%s",tWritePath.c_str(),szFileName);}m_pLogFile = fopen(szTempFile,"wt");if(m_pLogFile){strcpy(m_szLogFile,szTempFile);fprintf(m_pLogFile,"<html><head><title>红孩儿LOG文件</title></head>");fprintf(m_pLogFile,"<body>");fprintf(m_pLogFile,"<h1>红孩儿LOG文件输出: <hr>");}}//写日志voidCHHRLogWriter::WriteLog(const char* szText){if(m_pLogFile){fprintf(m_pLogFile,"<font color = 'black' size = '4'>%s</font><br>",szText);}}//写日志voidCHHRLogWriter::WriteError(const char* szText){if(m_pLogFile){fprintf(m_pLogFile,"<b><font color = 'red'  size = '4'>%s</font></b><br>",szText);}}//日志记录CHHRLogWriterG_LogWriter;

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