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我试图从驱动程序中的HTTP会话中返回一个ContentPart。这里是我的司机和ContentPart代码:如何在Orchard CMS中使用会话数据填充零件
public class UnpersistedPartDriver : ContentPartDriver<UnpersistedPart>
{
public Localizer T { get; set; }
private readonly IHttpContextAccessor _httpContextAccessor;
public UnpersistedPartDriver(IHttpContextAccessor httpContextAccessor) {
T = NullLocalizer.Instance;
_httpContextAccessor = httpContextAccessor;
}
/// <summary>
/// This method is responsible for displaying your part in the frontend.
/// </summary>
/// <param name="part">Your part.</param>
/// <param name="displayType"></param>
/// <param name="shapeHelper"></param>
/// <returns></returns>
protected override DriverResult Display(UnpersistedPart part, string displayType, dynamic shapeHelper)
{
var session = _httpContextAccessor.Current().Session;
var cart = session["Cart"] as UnpersistedPart;
if (cart == null) {
cart = new UnpersistedPart();
session["Cart"] = cart;
}
return ContentShape("Parts_Jumpstart_Unpersisted",
() => shapeHelper.Parts_Jumpstart_Unpersisted(ContentPart: part));
}
// There is nothing to edit and update, so we don't need Editor methods.
}
public class UnpersistedPart : ContentPart
{
public UnpersistedPart()
{
this.Items = new List<Item>();
this.Items.Add(new Item { Id = 1, Title = "Book 1", Price = "130.00", Quantity = "1" });
this.Items.Add(new Item { Id = 2, Title = "Book 2", Price = "145.00", Quantity = "2" });
this.Items.Add(new Item { Id = 3, Title = "Book 3", Price = "150.00", Quantity = "3" });
}
public IList<Item> Items;
public string Total
{
get
{
return Items.Sum(i => i.Total).ToString();
}
}
public string SessionId;
}
[Serializable]
public class Item
{
public int Id;
public string Title;
public string Price;
public string Quantity;
public decimal Total { get { return decimal.Parse(Price) * int.Parse(Quantity); } }
}
当我改变部分购物车:
return ContentShape("Parts_Jumpstart_Unpersisted",
() => shapeHelper.Parts_Jumpstart_Unpersisted(ContentPart: part));
到:
return ContentShape("Parts_Jumpstart_Unpersisted",
() => shapeHelper.Parts_Jumpstart_Unpersisted(ContentPart: cart));
它不会显示任何内容。我得到一个空的文章标签:
<文章类=“内容项书”形状-ID =“0”> < /条>
什么彼得说的是对的,不整ContentPart存储在您的会议,这是更好的存储一个标识符 – rfcdejong 2012-03-18 15:43:08
谢谢你。 orchardcms中是否有任何模块可以显示这些内容。我无法找到有关已加载事件的任何文档。 – 2012-03-18 20:49:33
这是一些关于处理程序的信息:http://docs.orchardproject.net/Documentation/Understanding-content-handlers。这个主题会让你更深入地了解一切如何运作,尽管需要一些更详细的信息。 – 2012-03-18 21:05:49