DOTNET CORE WEB API 自定义 数据注释
作者:互联网
/// <summary>
/// 人名验证属性
/// </summary>
public sealed class NameAttribute:ValidationAttribute
{
/// <summary>
/// 正则匹配
/// </summary>
private static Regex _regex = CreateRegEx();
public NameAttribute()
{
ErrorMessage = ErrorModel.INVALID_NAME;
}
/// <summary>
/// 判断是否合法
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public override bool IsValid(object value)
{
// 如果是空的话自动通过,判断空用Required属性
if (value == null)
{
return true;
}
return value is string valueAsString && _regex.Match(valueAsString).Length > 0;
}
/// <summary>
/// 创建正则表达式
/// </summary>
/// <returns></returns>
private static Regex CreateRegEx()
{
const string pattern = @"^[\u4e00-\u9fa5_a-zA-Z· ]{2,}$";
const RegexOptions options = RegexOptions.Compiled | RegexOptions.IgnoreCase | RegexOptions.ExplicitCapture;
// 默认2S秒匹配不了即超时
TimeSpan matchTimeout = TimeSpan.FromSeconds(2);
try
{
if (AppDomain.CurrentDomain.GetData("REGEX_DEFAULT_MATCH_TIMEOUT") == null)
{
return new Regex(pattern, options, matchTimeout);
}
}
catch
{
}
return new Regex(pattern, options);
}
}
标签:Regex,CORE,return,自定义,WEB,pattern,value,RegexOptions,public 来源: https://www.cnblogs.com/minskiter/p/11601997.html