log4go

Please see http://log4go.googlecode.com/ for more log4go usages. My personal package (github.com/AlexStocks/goext/log) wrappered log4go functions further more which provides the most powerful log4go.

Installation:

Run go get -u -v github.com/AlexStocks/log4go

Usage:

Add the following import:

  import l4g "github.com/AlexStocks/log4go"

  func main() {
  	defer l4g.Close() // to close l4g.Global
  }

get logger

Global logger

import l4g "github.com/alecthomas/log4go"

l4g.Info("hello world")
defer l4g.Close()

NewDefaultLogger

log := l4g.NewDefaultLogger(l4g.INFO)
log.Info("hello world")
defer log.Close()

l4g.Logger

log := make(l4g.Logger)
defer log.Close()
log.AddFilter("stdout", l4g.DEBUG, l4g.NewConsoleLogWriter())
log.Info("hello world")

output log

l4g.Finest()
l4g.Fine()
l4g.Debug()
l4g.Trace()
l4g.Info()
l4g.Warning()
l4g.Error()
l4g.Critical()

UserGuide

Level

FINEST
FINE
DEBUG
TRACE
INFO
WARNING
ERROR
CRITICAL

Feature list:

Output colorful terminal log string by log level
Output json log
Add maxbackup choice in examples.xml to delete out of date log file
Output escape query string safety
Add filename to every log line
Create log path if log path does not exist
Add caller option to let log4go do not output file/function-name/line-number
Add %P to output process ID
Rotate log file daily/hourly
Support json/xml/yml configuration file