Change the path things.

rest/util_mime.go

@@ -1,6 +1,7 @@
 package rest
 
 import (
+	"os"
 	"path/filepath"
 	"strings"
 )
@@ -626,6 +627,18 @@ func GetExtension(filename string) string {
 
 }
 
+//根据文件名字获取去除后缀的名称
+func GetSimpleFileName(filename string) string {
+
+	for i := len(filename) - 1; i >= 0 && !os.IsPathSeparator(filename[i]); i-- {
+		if filename[i] == '.' {
+			return filename[:i]
+		}
+	}
+	return filename
+
+}
+
 //根据一个后缀名获取MimeType，获取不到默认返回 "application/octet-stream"
 func GetMimeType(filename string) string {