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empty=>default T

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陈国伟 2021-11-23 12:01:20 +08:00
parent 2d9f505634
commit 77537a6634
1 changed files with 12 additions and 3 deletions
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15
FastGithub.Configuration/ValueBinder.cs
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@ -69,9 +69,18 @@ namespace FastGithub.Configuration
public override object? ConvertFrom(ITypeDescriptorContext? context, CultureInfo? culture, object value) public override object? ConvertFrom(ITypeDescriptorContext? context, CultureInfo? culture, object value)
{ {
return value is string stringVal && binders.TryGetValue(typeof(T), out var binder) if (value is string stringVal)
? binder.Read(stringVal) {
: base.ConvertFrom(context, culture, value); if (stringVal.Equals(string.Empty))
{
return default(T);
}
else if (binders.TryGetValue(typeof(T), out var binder))
{
return binder.Read(stringVal);
}
}
return base.ConvertFrom(context, culture, value);
} }
public override object? ConvertTo(ITypeDescriptorContext? context, CultureInfo? culture, object? value, Type destinationType) public override object? ConvertTo(ITypeDescriptorContext? context, CultureInfo? culture, object? value, Type destinationType)