实验二、补充4：练习使用Struts的自定义校验器

Signed-off-by: 849673404 <849673404@qq.com>

Author: luotf

validationApp/src/com/ltf/action/BookAction.java

@@ -5,7 +5,7 @@
 import com.opensymphony.xwork2.ActionSupport;
 
 public class BookAction extends ActionSupport {
-   
+    
 	private String bookName;
 	private String author;
 	private String bookNo;