ASP.NET 配置标准验证程序 ConfigurationValidatorBase
在下面的代码中,我在StrValidator类中的Validate方法中接到的value总是PersonalInfo类中Name的特性的默认值"Guatai",而不是我指定的.,求教!
/// <summary>
/// 个人信息
/// </summary>
public class PersonalInfo : ConfigurationSection
{
/// <summary>
/// 姓名
/// </summary>
[ConfigurationProperty("Name", DefaultValue = "Guatai", IsRequired = true)]
[StrValidator(MaxLen = 5, MinLen = 2)]
public string Name
{
get { return (string)this["Name"]; }
set { this["Name"] = value; }
}
/// <summary>
/// 年龄
/// </summary>
[ConfigurationProperty("Age", DefaultValue = 20, IsRequired = true)]
// [IntegerValidator(MaxValue = 120, MinValue = 0)]
public int Age
{
get { return (int)this["Age"]; }
set { this["Age"] = value; }
}
/// <summary>
/// 住址
/// </summary>
[ConfigurationProperty("Address", DefaultValue = "中国重庆", IsRequired = true)]
// [StringValidator(MaxLength = 60, MinLength = 8)]
public string Address
{
get { return (string)this["Address"]; }
set { this["Address"] = value; }
}
/// <summary>
/// 信用卡信息
/// </summary>
[ConfigurationProperty("CreditCards")]
public Cards CreditCards
{
get { return (Cards)this["CreditCards"]; }
set { this["CreditCards"] = value; }
}
}
// [AttributeUsage(AttributeTargets.Property, AllowMultiple = false, Inherited = false)]
public class StrValidatorAttribute : ConfigurationValidatorAttribute
{
private string FRegexStr;
/// <summary>
/// 正则
/// </summary>
public string RegexStr
{
get { return FRegexStr; }
set { FRegexStr = value; }
}
private int FMaxLen;
/// <summary>
/// 最大长度
/// </summary>
public int MaxLen
{
get { return FMaxLen; }
set { FMaxLen = value; }
}
private int FMinLen;
/// <summary>
/// 最小长度
/// </summary>
public int MinLen
{
get { return FMinLen; }
set { FMinLen = value; }
}
/// <summary>
///
/// </summary>
public override ConfigurationValidatorBase ValidatorInstance
{
get
{
return new StrValidator(this.FRegexStr, this.FMaxLen, this.FMinLen);
}
}
}
public class StrValidator : ConfigurationValidatorBase
{
string FRegExStr;
int FMaxLen;
int FMinLen;
public StrValidator(string regexstr, int maxlen, int minlen)
{
this.FRegExStr = regexstr;
this.FMaxLen = maxlen;
this.FMinLen = minlen;
}
public override bool CanValidate(Type type)
{
return type == typeof(string);
}
public override void Validate(object value)
{
try
{
string val = (string)value;
if (!string.IsNullOrEmpty(this.FRegExStr))
{
Regex ex = new Regex(this.FRegExStr);
if (!ex.IsMatch(val))
throw new Exception("与正则表达式指定的格式不匹配");
}
if (this.FMaxLen>0)
{
if (val.Length > this.FMaxLen)
{
throw new Exception("长度不能大于" + this.FMaxLen.ToString());
}
}
if (this.FMinLen >0)
{
if (val.Length < this.FMinLen)
{
throw new Exception("长度不能小于" + this.FMinLen.ToString());
}
}
}
catch (Exception ex)
{
throw ex;
}
}
}
--------------------编程问答--------------------
在PersonalInfo类中，用一个自定义类StrValidator来验证属性Name是否合法！
补充：.NET技术 , C#
