logger

zap logger with lumberjack

Features

Usage

example

Installation

Use go get.

    go get github.com/thinkgos/logger

Then import the package into your own code.

    import "github.com/thinkgos/logger"

示例

package main

import (
	"context"

	"github.com/thinkgos/logger"
)

type ctxKey struct{}

func ExampleHook(ctx context.Context) logger.Field {
	s, ok := ctx.Value(ctxKey{}).(string)
	if !ok {
		return logger.Skip()
	}
	return logger.String("ctx_key1", s)
}
func TmpHook(ctx context.Context) logger.Field {
	return logger.String("tmp_key1", "tmp_val1")
}

func main() {
	l := logger.NewLogger(
		logger.WithLevel(logger.DebugLevel.String()),
		logger.WithFormat(logger.FormatJson),
	).
		SetCallerLevel(logger.WarnLevel)
	logger.ReplaceGlobals(l)
	logger.SetDefaultHookFunc(ExampleHook)

	ctx := context.WithValue(context.Background(), ctxKey{}, "ctx_val1")

	logger.OnDebugContext(ctx).ExtendHookFunc(TmpHook).Msg("Debug1")
	logger.OnDebugContext(ctx).WithNewHook(logger.HookFunc(TmpHook)).Msg("Debug2")

	logger.SetLevel(logger.WarnLevel)
	logger.OnDebugContext(ctx).Msg("Debug3")

	err := logger.SetLevelWithText(logger.DebugLevel.String())
	_ = err
	logger.OnDebugContext(ctx).Msg("Debug4")

	// 这里改成warn等级方便测试
	logger.SetLevel(logger.WarnLevel)
	if logger.Enabled(logger.InfoLevel) { // 提前过滤
		logger.OnInfoContext(ctx).Msg("Info1") // 不执行
	}
	if logger.V(logger.InfoLevel) { // 提前过滤
		logger.OnInfoContext(ctx).Msg("Info2") // 不执行
	}
	logger.SetLevel(logger.DebugLevel)

	logger.Named("叫个名字").OnDebugContext(ctx).Msg(" Debug5")

	logger.OnInfoContext(ctx).
		With(
			logger.String("name", "jack"),
			logger.Int("age", 18),
		).
		Msg(" Debug6")

	logger.OnDebugContext(ctx).String("k1", "v1").String("k2", "v2").Print("Debug")
	logger.OnInfoContext(ctx).String("k1", "v1").String("k2", "v2").Printf("Info: %s", "info")
	logger.OnWarnContext(ctx).String("k1", "v1").String("k2", "v2").Msg("Warn")
	logger.OnInfoContext(ctx).String("k1", "v1").String("k2", "v2").Msg("Info")
	logger.OnErrorContext(ctx).String("k1", "v1").String("k2", "v2").Msg("Error")
	logger.OnDPanicContext(ctx).String("k1", "v1").String("k2", "v2").Msg("DPanic")
}

License

This project is under MIT License. See the LICENSE file for the full license text.