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若依 3.0
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package com.ruoyi.common.utils.sql;
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import com.ruoyi.common.utils.StringUtils;
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/**
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* sql操作工具类
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*
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* @author ruoyi
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*/
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public class SqlUtil
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{
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/**
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* 仅支持字母、数字、下划线、空格、逗号(支持多个字段排序)
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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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* 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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{
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if (StringUtils.isNotEmpty(value) && !isValidOrderBySql(value))
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{
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return StringUtils.EMPTY;
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}
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return value;
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}
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/**
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* 验证 order by 语法是否符合规范
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*/
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public static boolean isValidOrderBySql(String value)
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{
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return value.matches(SQL_PATTERN);
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}
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}
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