logger日志用法

main.cpp

#include "spdlog/sinks/rotating_file_sink.h"
#include "spdlog/sinks/stdout_color_sinks.h"
#include "spdlog/spdlog.h"
#include <iostream>
int main()
{
  // logger
  auto console_sink = std::make_shared<spdlog::sinks::stdout_color_sink_mt>();
  if (!console_sink)
  {
    std::cout << "create console log error" << std::endl;
    exit(0);
  }
  console_sink->set_level(spdlog::level::debug);
  console_sink->set_pattern("[multi_sink_example] [%^%l%$] %v");

  auto rotating_sink = std::make_shared<spdlog::sinks::rotating_file_sink_mt>(
      "logs/errors.txt", 1024 * 1024 * 10, 3);
  if (!rotating_sink) {
    std::cout << "create file log error" << std::endl;
    exit(0);
  }
  rotating_sink->set_level(spdlog::level::err);

  std::vector<spdlog::sink_ptr> sinks{console_sink, rotating_sink};
  auto logger =
      std::make_shared<spdlog::logger>("logger", sinks.begin(), sinks.end());
  logger->set_level(spdlog::level::debug);
   logger->set_level(spdlog::level::info);
  spdlog::register_logger(logger);
}

 

 

 

makefile

BINOBJ    := ./logger_test

 

CC = g++

COMPILE_FLAG = -L. -fPIC -std=c++11

CFLAGS = $(COMPILE_FLAG) -fPIC -Wall -pipe -I.

OBJS =    main.o

#-----------------------------------------------------------------------

#-----------------------------------------------------------------------

 

SRCS = $(OBJS:.o=.cpp)

 

Test : $(OBJS)

    $(CC) -o $(BINOBJ) $(OBJS) $(COMPILE_FLAG)

 

%.o: %.c

    $(CC) $(CFLAGS) -c -o $@ $<

 

%.o: %.cpp

    $(CC) $(CFLAGS) -c -o $@ $<

 

clean:

    rm $(OBJS)

    rm $(BINOBJ)