update log

mylog/log_test.go

@@ -19,3 +19,22 @@ func TestLog(t *testing.T) {
 	Warnf("time: %s", time.Now())
 	Errorf("time: %s", time.Now())
 }
+
+func TestLogFile(t *testing.T) {
+	config := DefaultConfig
+	config.NeedLogFile = false
+	config.LogFilePath = "logs"
+	Init("debug", config)
+
+	Debug("time: ", time.Now())
+	Info("time: ", time.Now())
+	Warn("time: ", time.Now())
+	Error("time: ", time.Now())
+
+	fmt.Println()
+
+	Debugf("time: %s", time.Now())
+	Infof("time: %s", time.Now())
+	Warnf("time: %s", time.Now())
+	Errorf("time: %s", time.Now())
+}