feature log

xlog/logger.go

@@ -0,0 +1,123 @@
+package xlog
+
+import (
+	"io"
+	"log"
+)
+
+// Logger logger
+type Logger struct {
+	logger *log.Logger
+}
+
+var (
+	defLog *Logger
+)
+
+// New new logger
+func New(w io.Writer) *Logger {
+	logger := log.New(w, "[INFO]", log.Ldate|log.Ltime)
+	return &Logger{logger: logger}
+}
+
+// DefaultLogger defult logger
+func DefaultLogger(w io.Writer) *Logger {
+	return New(w)
+}
+
+// Writer returns the output destination for the standard logger.
+func (l *Logger) Writer() io.Writer {
+	return l.logger.Writer()
+}
+
+// SetOutput sets the output destination for the standard logger.
+func (l *Logger) SetOutput(w io.Writer) {
+	l.logger.SetOutput(w)
+}
+
+// Info log info
+func (l *Logger) Info(v ...interface{}) {
+	l.logger.SetPrefix("[INFO]")
+	l.logger.Println(v...)
+}
+
+// Debug log debug
+func (l *Logger) Debug(v ...interface{}) {
+	l.logger.SetPrefix("[DEBUG]")
+	l.logger.Println(v...)
+}
+
+// Warn log Warn
+func (l *Logger) Warn(v ...interface{}) {
+	l.logger.SetPrefix("[Warn]")
+	l.logger.Println(v...)
+}
+
+// Err log Err
+func (l *Logger) Err(v ...interface{}) {
+	l.logger.SetPrefix("[Err]")
+	l.logger.Println(v...)
+}
+
+// Alert log Alert
+func (l *Logger) Alert(v ...interface{}) {
+	l.logger.SetPrefix("[Alert]")
+	l.logger.Println(v...)
+}
+
+// Fatal log Fatal
+func (l *Logger) Fatal(v ...interface{}) {
+	l.logger.SetPrefix("[Fatal]")
+	l.logger.Println(v...)
+}
+
+// Panic log Panic
+func (l *Logger) Panic(v ...interface{}) {
+	l.logger.SetPrefix("[Panic]")
+	l.logger.Println(v...)
+}
+
+// Writer returns the output destination for the standard logger.
+func Writer() io.Writer {
+	return defLog.Writer()
+}
+
+// SetOutput sets the output destination for the standard logger.
+func SetOutput(w io.Writer) {
+	defLog.SetOutput(w)
+}
+
+// Info info
+func Info(v ...interface{}) {
+	defLog.Info(v...)
+}
+
+// Debug debug
+func Debug(v ...interface{}) {
+	defLog.Debug(v...)
+}
+
+// Warn warn
+func Warn(v ...interface{}) {
+	defLog.Warn(v...)
+}
+
+// Err err
+func Err(v ...interface{}) {
+	defLog.Err(v...)
+}
+
+// Alert alert
+func Alert(v ...interface{}) {
+	defLog.Alert(v...)
+}
+
+// Fatal fatal
+func Fatal(v ...interface{}) {
+	defLog.Fatal(v...)
+}
+
+// Panic panic
+func Panic(v ...interface{}) {
+	defLog.Panic(v...)
+}