日志库使用zap

2021-10-28  本文已影响0人  voidFan

lumberjack的Logger结构体说明

package main

import (
    "go.uber.org/zap"
    "go.uber.org/zap/zapcore"
    lumberjack "gopkg.in/natefinch/lumberjack.v2"
)
func initLogger(logpath string, loglevel string) *zap.Logger {
    hook := lumberjack.Logger{
        Filename:   logpath, // ⽇志⽂件路径
        MaxSize:    1024,    // megabytes
        MaxBackups: 3,       // 最多保留3个备份
        MaxAge:     7,       //days
        Compress:   true,    // 是否压缩 disabled by default
    }
    w := zapcore.AddSync(&hook)
    var level zapcore.Level
    switch loglevel {
    case "debug":
        level = zap.DebugLevel
    case "info":
        level = zap.InfoLevel
    case "error":
        level = zap.ErrorLevel
    default:
        level = zap.InfoLevel
    }
    encoderConfig := zap.NewProductionEncoderConfig()
    encoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
    core := zapcore.NewCore(
        zapcore.NewConsoleEncoder(encoderConfig),
        w,
        level,
    )
    logger := zap.New(core)
    logger.Info("DefaultLogger init success")
    return logger
}
func main() {
    logger := initLogger("all.log", "info")
    logger.Info("test log", zap.Int("line", 47))
    logger.Warn("testlog", zap.Int("line", 47))
}
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