A common encapsulation example of Log4cplus

, VLog.h #pragma once #ifndef vlog_h #define VLOG_H #include <log4cplus/logger.h> #include <log4cplus/layout.h&
Gt #include <log4cplus/loglevel.h> #include <log4cplus/fileappender.h> #include <log4cplus/
Consoleappender.h> #include <log4cplus/helpers/loglog.h> using namespace Log4cplus;

using namespace helpers; /** * Use Log4cplus * @param logfile record file path, such as "Main.log" * @param format prefix, default%d [%l]%-5p:%m%n * @param bebug whether to play  Print bebug information, default true * @param LV set Journal level * @return/void Initlog4cplus (const wchar_t* logfile, const BOOL Console = true, const bool Bebug = True, loglevel LV = debug_log_level, const wchar_t* format = L

"%d:%m%n"/*%d%-5p [%c <%l]:%m%n*/);

/** * Get root log * @return * * * * Logger getrootlogger (void);

/** * Get Sub log * @param child log name, e.g., SUB;SUB.SUB1 * @return * * * Logger Getsublogger (const wchar_t* sub);

/** * Shut down the log system/void Shutdownlogger (void); #endif/* Vlog_h*/ 

VLog.cpp

/************************************************************************//* Usage rules: */* Need log4cplus Dynamic/static link library and header file////////////* Log4cplus.lib + LOG4CPLUS.D ll is a dynamic link library. Log4cplusS.lib for static link library * */************************************************************************/#include " VLog.h "void Initlog4cplus" (const wchar_t* logfile, const BOOL console, const BOOL Bebug, loglevel LV, const WCHAR    _t* format)/* Not_set_log_level (-1): Accepts the default LogLevel, if a parent logger inherits its loglevelall_log_level ( 0): Open all LOG information output trace_log_level (0): Open TRACE information output (ie all_log_level) debug_log_level (100 00): Open Debug Information Output info_log_level (20000): Open info Information output warn_log_level (30000): Open warning information loss                   Out Error_log_level (40000): Open ERROR Information output fatal_log_level (50000): Open FATAL Information Output off_log_level (60000): Turn off all log information output/{//0. Log System configuration: Set display debug Information Loglog::getloglog ()->setinternaldebugging (bebug); Create screen output Appender, do not use Stderror stream, do not use immediate write mode sharedappenderptr pappender1 (new Rollingfileappender (logfile, 1024 * 1024 * 2
    , false)); Generated log file name, file maximum (min 1 M), expand 50 files, do not use immediately write mode/2. Instantiate a Layout object//2.1 Create layout layout format Std::auto_ptr<lay

    Out> playout1 (new Patternlayout (format));
    3. Bind the Layout object (attach) to the Appender object//Pappender.setlayout (std::auto_ptr<layout> Layout);

    Pappender1->setlayout (PLAYOUT1);
    4.Logger: Recorder, the entity that saves and tracks changes in object log information, and when you need to record an object, you need to generate a Logger.

    Logger Rootlogger = Logger::getroot ();

    5. Bind the Appender object (attach) to the Logger object, such as omitting this step, and the standard output (screen) Appender object is bound to logger rootlogger.addappender (pappender1);
        if (console) {//1.Appenders: A hook that works closely with the layout to output messages of a particular format to the attached device terminals (such as screens, files, and so on).
        Sharedappenderptr Pappender2 (New Consoleappender (False, false)); Std::auto_ptr<layout> playouT2 (new Patternlayout (format));
        Pappender2->setlayout (PLAYOUT2);
    Rootlogger.addappender (PAPPENDER2);
//6. Set the priority of the logger, such as omitting this step, a variety of finite-level messages will be recorded rootlogger.setloglevel (LV);

} Logger Getrootlogger (void) {return logger::getroot ();}

Logger Getsublogger (const wchar_t* sub) {return logger::getinstance (sub);} void Shutdownlogger (void) {Logger::getroot (). shutdown ();}

<p> #include "VLog.h" </p><p>int _tmain (int argc, _tchar* argv[])
{
&nbsp;//joins Log4cplus
&nbsp;//initialization Log4cplus
&nbsp;initlog4cplus (L "Main.log"); </p><p>&nbsp;//Log object: Test a
&nbsp;log4cplus::logger test1 = Getsublogger (L "test1");
&nbsp;//Log object: Test a first Test
&nbsp;log4cplus::logger test1_01 = Getsublogger (L "test1.01"); </p><p>&nbsp;//type logging
&nbsp; Log4cplus_debug (test1_01, "You can log as this:" << "Hello" << m << '! '); </p><p>&nbsp;//Log Off
&nbsp; Shutdownlogger ();
}
</p>

from:http://blog.csdn.net/eclipser1987/article/details/6904301