zap 日誌

package main

import (
"go.uber.org/zap"
"go.uber.org/zap/zapcore"
"net/http"
"github.com/natefinch/lumberjack"
)

var sugarLogger *zap.SugaredLogger

func main() {
InitLogger()
defer sugarLogger.Sync()
for i := 0; i < 100000; i++ {
sugarLogger.Info("test for log '''")
}
simpleHttpGet("www.baidu.com")
simpleHttpGet("http://www.baidu.com")
}

func InitLogger() {
writeSyncer := getLogWriter()
encoder := getEncoder()
core := zapcore.NewCore(encoder, writeSyncer, zapcore.DebugLevel)

//logger := zap.New(core)
//增加目錄
logger := zap.New(core, zap.AddCaller())
sugarLogger = logger.Sugar()

}

func getEncoder() zapcore.Encoder {
//json格式
//return zapcore.NewJSONEncoder(zap.NewProductionEncoderConfig())
//普通的打印
//return zapcore.NewConsoleEncoder(zap.NewProductionEncoderConfig())
encoderConfig := zap.NewProductionEncoderConfig()
encoderConfig.EncodeTime = zapcore.ISO8601TimeEncoder
encoderConfig.EncodeLevel = zapcore.CapitalLevelEncoder
return zapcore.NewConsoleEncoder(encoderConfig)
}
/*
func getLogWriter() zapcore.WriteSyncer {
//file, _ := os.Create("./test.log")
//追加模式
file, _ := os.OpenFile("./test.log", os.O_CREATE|os.O_APPEND|os.O_RDWR, 0744)
return zapcore.AddSync(file)
}*/
//切割日誌
func getLogWriter() zapcore.WriteSyncer {
lumberJackLogger := &lumberjack.Logger{
Filename: "./test.log",
MaxSize: 1, //M
MaxBackups: 5, //數量
MaxAge: 30, //天數
Compress: false,
}
return zapcore.AddSync(lumberJackLogger)
}
func simpleHttpGet(url string) {
sugarLogger.Debugf("Trying to hit GET request for %s", url)
resp, err := http.Get(url)
if err != nil {
sugarLogger.Errorf("Error fetching URL %s : Error = %s", url, err)
} else {
sugarLogger.Infof("Success! statusCode = %s for URL %s", resp.Status, url)
resp.Body.Close()
}
}