first commit

pkg/utils/loger/log.go

@@ -0,0 +1,102 @@
+package loger
+
+import (
+	"fmt"
+	"log"
+	"oasis/pkg/config"
+	file2 "oasis/pkg/utils/file"
+	"os"
+	"path/filepath"
+	"runtime"
+	"time"
+)
+
+//定义一个int的别名
+type Level int
+
+type OLog interface {
+	Debug(v ...interface{})
+	Info(v ...interface{})
+	Warn(v ...interface{})
+	Error(v ...interface{})
+	Fatal(v ...interface{})
+}
+
+type oLog struct {
+}
+
+var (
+	F                  *os.File
+	DefaultPrefix      = ""
+	DefaultCallerDepth = 2
+	logger             *log.Logger
+	logPrefix          = ""
+	levelFlags         = []string{"DEBUG", "INFO", "WARN", "ERROR", "FATAL"}
+)
+
+//iota在const关键字出现时将被重置为0(const内部的第一行之前)，const中每新增一行常量声明将使iota计数一次(iota可理解为const语句块中的行索引)。
+const (
+	DEBUG Level = iota
+	INFO
+	WARN
+	ERROR
+	FATAL
+)
+
+//日志初始化
+func LogSetup() {
+	var err error
+	filePath := fmt.Sprintf("%s", config.AppInfo.LogSavePath)
+	fileName := fmt.Sprintf("%s%s.%s",
+		config.AppInfo.LogSaveName,
+		time.Now().Format(config.AppInfo.DateStrFormat),
+		config.AppInfo.LogFileExt,
+	)
+	F, err = file2.MustOpen(fileName, filePath)
+	if err != nil {
+		log.Fatalf("logging.Setup err: %v", err)
+	}
+
+	logger = log.New(F, DefaultPrefix, log.LstdFlags)
+
+}
+
+func (o *oLog) Debug(v ...interface{}) {
+	setPrefix(DEBUG)
+	logger.Println(v)
+}
+
+func (o *oLog) Info(v ...interface{}) {
+	setPrefix(INFO)
+	logger.Println(v)
+}
+
+func (o *oLog) Warn(v ...interface{}) {
+	setPrefix(WARN)
+	logger.Println(v)
+}
+
+func (o *oLog) Error(v ...interface{}) {
+	setPrefix(ERROR)
+	logger.Println(v)
+}
+
+func (o *oLog) Fatal(v ...interface{}) {
+	setPrefix(FATAL)
+	logger.Println(v)
+}
+
+func setPrefix(level Level) {
+	_, file, line, ok := runtime.Caller(DefaultCallerDepth)
+	if ok {
+		logPrefix = fmt.Sprintf("[%s][%s:%d]", levelFlags[level], filepath.Base(file), line)
+	} else {
+		logPrefix = fmt.Sprintf("[%s]", levelFlags[level])
+	}
+
+	logger.SetPrefix(logPrefix)
+}
+
+func NewOLoger() OLog {
+	return &oLog{}
+}