计算引擎中使用系统自动计算参数：@time_calc

直接上代码：

 

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/// <summary>        /// auto_do_for_time_calc 按照秒计算        /// @time_calc-86400 返回则是当前时刻往前减去86400秒（也就是一天）,可用：@time_calc-200,@time_calc+500,@time_calc300        /// select * from table  where create_time>'@time_calc-18000000' and create_time<'@time_calc-36000'          /// select * from table  where create_time>'2024-04-17 03:26:14' and create_time<'2024-11-11 01:26:14'        /// </summary>        /// <param name="sql"></param>        /// <returns></returns>

　　

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string auto_do_sql_for_time_calc(string sql) {     if (sql.contains_x("@time_calc").is_false()) return sql;       Regex regex = new Regex("@time_calc[\\w\\W]*?(?=')");       var matches = regex.Matches(sql);       foreach (Match match in matches)     {         string key = match.Value;           double val = key.Replace("@time_calc", "").ToDouble();           sql = sql.Replace(key, DateTime.Now.AddSeconds(val).toStringX());     }       return sql; }

　　

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