🎉 initial commit

utils/file.go

@@ -0,0 +1,47 @@
+package utils
+
+import (
+	"encoding/json"
+	log "github.com/sirupsen/logrus"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+)
+
+// Exists determine whether the file exists
+func Exists(name string) bool {
+	if _, err := os.Stat(name); err != nil {
+		if os.IsNotExist(err) {
+			return false
+		}
+	}
+	return true
+}
+
+// CreatNestedFile create nested file
+func CreatNestedFile(path string) (*os.File, error) {
+	basePath := filepath.Dir(path)
+	if !Exists(basePath) {
+		err := os.MkdirAll(basePath, 0700)
+		if err != nil {
+			log.Errorf("can't create foler，%s", err)
+			return nil, err
+		}
+	}
+	return os.Create(path)
+}
+
+// WriteToJson write struct to json file
+func WriteToJson(src string, conf interface{}) bool {
+	data, err := json.MarshalIndent(conf,"","  ")
+	if err != nil {
+		log.Errorf("failed convert Conf to []byte:%s", err.Error())
+		return false
+	}
+	err = ioutil.WriteFile(src, data, 0777)
+	if err != nil {
+		log.Errorf("failed to write json file:%s", err.Error())
+		return false
+	}
+	return true
+}