From 1876e692f2dc266a30edb04bf1ba1d7acff7b5d8 Mon Sep 17 00:00:00 2001
From: zhaojun1998 <root@zhaojun.im>
Date: Thu, 16 Jan 2020 22:24:46 +0800
Subject: [PATCH] =?UTF-8?q?:lipstick:=20=E6=9B=B4=E6=94=B9=E9=BB=98?=
 =?UTF-8?q?=E8=AE=A4=E6=8E=92=E5=BA=8F=E5=99=A8?=
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---
 .../java/im/zhaojun/common/util/FileComparator.java   | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/src/main/java/im/zhaojun/common/util/FileComparator.java b/src/main/java/im/zhaojun/common/util/FileComparator.java
index 3238329..0cf097a 100644
--- a/src/main/java/im/zhaojun/common/util/FileComparator.java
+++ b/src/main/java/im/zhaojun/common/util/FileComparator.java
@@ -20,6 +20,9 @@ public class FileComparator implements Comparator<FileItemDTO> {
     private String sortBy;
     private String order;
 
+    public FileComparator() {
+    }
+
     public FileComparator(String sortBy, String order) {
         this.sortBy = sortBy;
         this.order = order;
@@ -27,6 +30,14 @@ public class FileComparator implements Comparator<FileItemDTO> {
 
     @Override
     public int compare(FileItemDTO o1, FileItemDTO o2) {
+        if (sortBy == null) {
+            sortBy = "name";
+        }
+
+        if (order == null) {
+            order = "asc";
+        }
+
         FileTypeEnum o1Type = o1.getType();
         FileTypeEnum o2Type = o2.getType();