/// <summary>
///
/// </summary>
/// <param name="obj"></param>
/// <returns></returns>
public override Boolean Equals(object obj)
{
//
if (obj == null)
{
return(false);
}
//如果对象属于不同的类型，肯定不匹配
if (this.GetType() != obj.GetType())
{
return(false);
}
//先将obj转型为相同的类型
AccountsAttribute other = (AccountsAttribute)obj;
//比较字段，判断是否有相同的值
if (other.m_accounts != m_accounts)
{
return(false);
}
return(true);
}
private static void CanWriteCheck(object obj)
{
//构造实例
Attribute checking = new AccountsAttribute(Accounts.Checking);
//构造应用于类型的特性实例
Attribute validAccounts = Attribute.GetCustomAttribute(obj.GetType(), typeof(AccountsAttribute), false);
if ((validAccounts != null) && checking.Match(validAccounts))
{
Console.WriteLine("{0} types can write checks.", obj.GetType());
}
else
{
Console.WriteLine("{0} types can not write checks.", obj.GetType());
}
}