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StringExtensions.cs
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39 lines (39 loc) · 1.15 KB
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namespace APIJSON.NET
{
using System;
using System.Text.RegularExpressions;
public static class StringExtensions
{
/// <summary>
/// 是否合法表名（大写字母数字下划线 长度在1-15之间）
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool IsTable(this string str)
{
return Regex.IsMatch(str, @"^[a-zA-Z][a-zA-Z0-9_]{1,15}$");
}
/// <summary>
///
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool IsField(this string str)
{
return Regex.IsMatch(str, @"^[a-zA-Z][a-zA-Z0-9_()]{1,15}$");
}
/// <summary>
/// 是否有值
/// </summary>
/// <param name="str"></param>
/// <returns></returns>
public static bool IsValue(this object str)
{
return str != null && !string.IsNullOrEmpty(str.ToString());
}
public static string GetParamName(this string param)
{
return param + new Random().Next(1, 100);
}
}
}