广州网站开发系统,ui培训班有用吗,网站必做外链,北京网站建设 合一此日志类#xff0c;简单地实现了向标准输出控制台和文件输出日志信息的功能#xff0c;并能在这两者之间进行切换输出#xff0c;满足输出日志的不同需求。
代码如下#xff1a; /** CCLog.h* c_common_codes** Created by xichen on 12-1-12.* Copyright 2012 cc_te…此日志类简单地实现了向标准输出控制台和文件输出日志信息的功能并能在这两者之间进行切换输出满足输出日志的不同需求。
代码如下 /** CCLog.h* c_common_codes** Created by xichen on 12-1-12.* Copyright 2012 cc_team. All rights reserved.*
*/
#ifndef CC_LOG_H
#define CC_LOG_H#include ccString.h
#include cstdiotypedef enum _LOG_TYPE
{LOG_TYPE_CONSOLE,LOG_TYPE_FILE,LOG_TYPE_MAX
}LOG_TYPE;class CCLog
{
public:CCLog(const char * fileName NULL, const char * mode at); // by default, open file by at mode~CCLog();public:unsigned write(const CCString str);unsigned writeEndl();void clearAllData(); // if a file is opened, all contents of the file will be cleared, the file will be opened a second time.public:void setWriteToConsole();void setWriteToFile();public:LOG_TYPE getLogType() const { return _logType; }CCString getLogFileName() const { return _fileName; }private: void clearConsole() // not coding ok{}private:CCLog(const CCLog log);CCLog operator(const CCLog log);private:FILE *_file;FILE *_backupFile;CCString _fileName;LOG_TYPE _logType;
};#endif /** CCLog.cpp* c_common_codes** Created by xichen on 12-1-12.* Copyright 2012 cc_team. All rights reserved.*
*/
#include ccLog.hCCLog::CCLog( const char * fileName /* NULL*/, const char * mode /* at*/ )
{if(fileName NULL){_file _backupFile NULL;_logType LOG_TYPE_CONSOLE;return;}_logType LOG_TYPE_FILE;_file fopen(fileName, mode);_backupFile _file;if(_file NULL)std::cerr Open file error std::endl;else_fileName CCString(fileName);
}CCLog::~CCLog()
{if(_logType LOG_TYPE_FILE){if(_file ! NULL){fclose(_file);return;}if(_backupFile ! NULL){fclose(_backupFile);}}
}unsigned CCLog::write( const CCString str )
{if(_logType LOG_TYPE_CONSOLE){std::cout str;return str.length(); // its not accurate. ????}fseek(_file, 0, SEEK_END);return fwrite(str.c_str(), str.length(), 1, _file);
}unsigned CCLog::writeEndl()
{return write(CCString(\n));
}void CCLog::clearAllData()
{if(_logType LOG_TYPE_CONSOLE)return;if(_backupFile ! NULL)_file _backupFile;fclose(_file);_file fopen(CCString(_fileName), wt); // clear all the data of file_backupFile _file;if(_file NULL)std::cerr clearAllData:Open file error std::endl;
}void CCLog::setWriteToConsole()
{_logType LOG_TYPE_CONSOLE;
}void CCLog::setWriteToFile()
{_logType LOG_TYPE_FILE;
} 简单地测试代码如下
void ccTestLog()
{
#if 1 // CCLogCCLog * log new CCLog(NULL);log-write(hello);log-write(\t1\n);log-write(\txichen\n);delete log;log new CCLog(d:\\test\\logtest.txt);log-write(ab\t\n1);delete log;log new CCLog(d:\\test\\logtest.txt);log-write(xiche\t123);log-clearAllData();log-write(after clear);log-setWriteToConsole();log-write(the console info);log-setWriteToFile();log-write(the file content);log-writeEndl();log-write(the next line\nhehe);delete log;
#endif
} 微风不燥阳光正好你就像风一样经过这里愿你停留的片刻温暖舒心。
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