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@@ -21,6 +21,11 @@ public class SqlUtil
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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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public static String escapeOrderBySql(String value)
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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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