func init() { //初始化日志 Logger = log4go.NewLogger() Logger.AddFilter("fine", log4go.FINE, log4go.NewConsoleLogWriter()) Logger.AddFilter("error", log4go.ERROR, log4go.NewFileLogWriter("error.log", false)) Logger.AddFilter("info", log4go.INFO, log4go.NewFileLogWriter("info.log", false)) Logger.Info("log inited") }
func main() { log := l4g.NewLogger() log.AddFilter("network", l4g.FINEST, l4g.NewSocketLogWriter("udp", "192.168.1.255:12124")) // Run `nc -u -l -p 12124` or similar before you run this to see the following message log.Info("The time is now: %s", time.Now().Format("15:04:05 MST 2006/01/02")) // This makes sure the output stream buffer is written log.Close() }
func main() { // Get a new logger instance log := l4g.NewLogger() // Create a default logger that is logging messages of FINE or higher log.AddFilter("file", l4g.FINE, l4g.NewFileLogWriter(filename, false)) log.Close() /* Can also specify manually via the following: (these are the defaults) */ flw := l4g.NewFileLogWriter(filename, false) flw.SetFormat("[%D %T] [%L] (%S) %M") flw.SetRotate(false) flw.SetRotateSize(0) flw.SetRotateLines(0) flw.SetRotateDaily(false) log.AddFilter("file", l4g.FINE, flw) // Log some experimental messages log.Finest("Everything is created now (notice that I will not be printing to the file)") log.Info("The time is now: %s", time.Now().Format("15:04:05 MST 2006/01/02")) log.Critical("Time to close out!") // Close the log log.Close() // Print what was logged to the file (yes, I know I'm skipping error checking) fd, _ := os.Open(filename) in := bufio.NewReader(fd) fmt.Print("Messages logged to file were: (line numbers not included)\n") for lineno := 1; ; lineno++ { line, err := in.ReadString('\n') if err == io.EOF { break } fmt.Printf("%3d:\t%s", lineno, line) } fd.Close() // Remove the file so it's not lying around os.Remove(filename) }
func main() { log := l4g.NewLogger() log.AddFilter("stdout", l4g.DEBUG, l4g.NewConsoleLogWriter()) log.Info("The time is now: %s", time.Now().Format("15:04:05 MST 2006/01/02")) }