From a4c1df35707c532ce31a8622a646b0d1360b03ac Mon Sep 17 00:00:00 2001
From: kamhung <22250530@qq.com>
Date: Wed, 25 Nov 2015 16:01:52 +0800
Subject: [PATCH]

---
 src/com/wentch/redkale/util/Sheet.java | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/com/wentch/redkale/util/Sheet.java b/src/com/wentch/redkale/util/Sheet.java
index 4316df164..9d83e82d6 100644
--- a/src/com/wentch/redkale/util/Sheet.java
+++ b/src/com/wentch/redkale/util/Sheet.java
@@ -36,14 +36,15 @@ public class Sheet<T> implements java.io.Serializable {
         return data == null ? new Sheet<>() : new Sheet<>(data.size(), data);
     }
 
-    public void copyTo(Sheet<T> copy) {
-        if (copy == null) return;
+    public Sheet<T> copyTo(Sheet<T> copy) {
+        if (copy == null) return copy;
         copy.total = this.total;
         if (this.getRows() != null) {
             copy.setRows(new ArrayList<>(this.getRows()));
         } else {
             copy.rows = null;
         }
+        return copy;
     }
 
     /**