Initial commit

common/utils/path.go

@@ -0,0 +1,53 @@
+package utils
+
+import (
+	"os"
+	"path/filepath"
+	"strings"
+)
+
+// PathInfo 路径信息
+type PathInfo struct {
+	Dir          string // 目录
+	Ext          string // 扩展名
+	Filename     string // 没有扩展名的文件名名称
+	FullFileName string // 文件全名
+}
+
+// PathForInfo 解析路径
+// 返回文件，路径，文件名等信息
+func PathForInfo(path string) (pi PathInfo) {
+	if path == "" {
+		return
+	}
+	ext := filepath.Ext(path)
+	dir, name := filepath.Split(path)
+
+	pi.Dir = dir
+	pi.Ext = ext
+	pi.Filename = strings.TrimRight(name, ext)
+	pi.FullFileName = name
+	return
+}
+
+func GetFileSize(filepath string) (int64, error) {
+	fi, err := os.Stat(filepath)
+	if err != nil {
+		return 0, err
+	}
+	// get the size
+	return fi.Size(), nil
+}
+
+// JoinUrlPath 域名与uri拼接
+func JoinUrlPath(host string, uri string) (urlpath string) {
+	switch {
+	case strings.HasSuffix(host, "/") && strings.HasPrefix(uri, "/"):
+		urlpath = host[0:len(host)-1] + uri
+	case !strings.HasSuffix(host, "/") && !strings.HasPrefix(uri, "/"):
+		urlpath = host + "/" + uri
+	default:
+		urlpath = host + uri
+	}
+	return
+}