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				@@ -20,6 +20,11 @@ public class SqlUtil 
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				      */
 
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				     public static String SQL_PATTERN = "[a-zA-Z0-9_\\ \\,\\.]+";
 
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				+    /**
 
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				+     * 限制orderBy最大长度
 
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				+     */
 
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				+    private static final int ORDER_BY_MAX_LENGTH = 500;
 
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				+
 
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				     /**
 
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				      * 检查字符,防止注入绕过
 
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				      */
 
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				@@ -29,6 +34,10 @@ public class SqlUtil 
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				         {
 
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				             throw new UtilException("参数不符合规范,不能进行查询");
 
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				         }
 
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				+        if (StringUtils.length(value) > ORDER_BY_MAX_LENGTH)
 
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				+        {
 
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				+            throw new UtilException("参数已超过最大限制,不能进行查询");
 
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				+        }
 
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				         return value;
 
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				     }
 
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