public static IEnumerable <T> Skip <T>(this IReadOnlyList <T> collection, int count)
{
if (collection == null)
{
return(null);
}
return(ICollectionExtensions.YieldSkip(collection, count));
}
public string SaveExtendField_POST()
{
try
{
ExtendFieldDto extend = ICollectionExtensions.ConvertToEntity <ExtendFieldDto>(this.Request.Form);
int result = ServiceCall.Instance.SiteService.SaveExtendField(this.SiteId, extend);
return(base.ReturnSuccess());
}
catch (Exception exc)
{
return(base.ReturnError(exc.Message));
}
}
private static void OnInlinesChanged(DependencyObject obj, DependencyPropertyChangedEventArgs e)
{
if (obj is TextBlock textBlock)
{
textBlock.Inlines.Clear();
if (e.NewValue is IEnumerable <InlineModel> inlines)
{
ICollectionExtensions.AddRange(textBlock.Inlines, inlines.Select(i => i.Create(textBlock)));
}
}
else if (obj is Paragraph paragraph)
{
paragraph.Inlines.Clear();
if (e.NewValue is IEnumerable <InlineModel> inlines &&
RecursiveEnumerable.While(paragraph.Parent, obj => obj is FrameworkContentElement fce, obj => ((FrameworkContentElement)obj).Parent).LastOrDefault() is FrameworkElement fe)
{
ICollectionExtensions.AddRange(paragraph.Inlines, inlines.Select(i => i.Create(fe)));
}
}
}
public static T GetEntity <T>() where T : new()
{
const bool allowError = false;
global::System.Collections.Specialized.NameValueCollection form =
global::System.Web.HttpContext.Current.Request.Form;
Type type = typeof(T);
object t = Activator.CreateInstance(type);
PropertyInfo[] pros = type.GetProperties();
FormFieldAttribute[] fieldAttrs;
FormFieldAttribute attr;
string value;
int tmpInt;
Type strType = typeof(String); //字符串类型
Type bitType = typeof(Boolean); //布尔值类型
Type proType = null; //属性类型
foreach (PropertyInfo pro in pros)
{
if (!pro.CanWrite)
{
continue;
}
fieldAttrs = pro.GetCustomAttributes(typeof(FormFieldAttribute), false) as FormFieldAttribute[];
if (fieldAttrs.Length != 0)
{
attr = fieldAttrs[0];
value = form["field_" + pro.Name] ?? (form[pro.Name] ?? "");
proType = pro.PropertyType;
object obj;
try
{
obj = ICollectionExtensions.GetPropertyValue <T>(pro, strType, bitType, proType, value);
if (obj != null)
{
pro.SetValue(t, obj, null);
}
}
catch (FormatException exc)
{
if (!allowError)
{
throw new FormatException("转换错误,属性名：" + pro.Name);
}
}
//if (pro.PropertyType.IsEnum)
//{
// int.TryParse(value, out tmpInt);
// pro.SetValue(t, tmpInt, null);
//}
//else
//{
// try
// {
// pro.SetValue(t, Convert.ChangeType(value, pro.PropertyType), null);
// }
// catch (FormatException exc)
// {
// throw new FormatException("转换错误,属性名：" + pro.Name);
// }
//}
}
}
return((T)t);
}
public new T Create <T>(T span, FrameworkElement coveringElement) where T : Span
{
ICollectionExtensions.AddRange(span.Inlines, Inlines.Select(i => i.Create(coveringElement)));
return(base.Create(span, coveringElement));
}
