//生成订单并跳转
protected void rpt_OnItemCommand(object source, RepeaterCommandEventArgs e)
{
switch (e.CommandName)
{
case "order":
{
var rpt = e.Item.FindControl("rptProduct") as Repeater;
var shopId = e.CommandArgument.ToString();
var cookieName = "shop_" + shopId;
var lblList = new Dictionary<string,string>();//产品Id和数量键值对
rpt.Controls.OfType<RepeaterItem>().ToList().ForEach(rItem=>
{
if (rItem.ItemType==ListItemType.Item || rItem.ItemType == ListItemType.AlternatingItem)
{
lblList.Add((rItem.FindControl("lblAmount") as Label).Attributes["data-pid"],(rItem.FindControl("hfAmount") as HiddenField).Value);
}
});
var length = Request.Cookies[cookieName].Values.Keys.Count;
int p_num = 0;
for (int i = 0; i < length; i++)
{
var httpCookie = Request.Cookies[cookieName];
if (httpCookie != null)
{
var key = Request.Cookies[cookieName].Values.Keys[i];
string tmpStr=Request.Cookies[cookieName].Values[key];
int tmpInt = Convert.ToInt32(tmpStr);
p_num += tmpInt;
httpCookie.Values[key] = lblList.Single(p => p.Key == key).Value;
}
}
if (p_num <= 0)
{
WebUtil.Alert("数量必须大于0");
return;
}
Response.Redirect("UserSubmitOrder.aspx?shopid="+shopId);
break;
}
}
}
/// <summary>
/// Serializes the given graph to the given filepath using Xml data format.
/// </summary>
internal static void Serialize(RDFGraph graph, String filepath) {
try {
#region serialize
using (XmlTextWriter rdfxmlWriter = new XmlTextWriter(filepath, Encoding.UTF8)) {
XmlDocument rdfDoc = new XmlDocument();
rdfxmlWriter.Formatting = Formatting.Indented;
#region xmlDecl
XmlDeclaration xmlDecl = rdfDoc.CreateXmlDeclaration("1.0", "UTF-8", null);
rdfDoc.AppendChild(xmlDecl);
#endregion
#region rdfRoot
XmlNode rdfRoot = rdfDoc.CreateNode(XmlNodeType.Element, RDFVocabulary.RDF.PREFIX + ":RDF", RDFVocabulary.RDF.BASE_URI);
XmlAttribute rdfRootNS = rdfDoc.CreateAttribute("xmlns:" + RDFVocabulary.RDF.PREFIX);
XmlText rdfRootNSText = rdfDoc.CreateTextNode(RDFVocabulary.RDF.BASE_URI);
rdfRootNS.AppendChild(rdfRootNSText);
rdfRoot.Attributes.Append(rdfRootNS);
#region prefixes
//Write the graph's prefixes (except for "rdf", which has already been written)
graph.GraphMetadata.Namespaces.ForEach(p => {
if (!p.Prefix.Equals(RDFVocabulary.RDF.PREFIX, StringComparison.Ordinal) && !p.Prefix.Equals("base", StringComparison.Ordinal)) {
XmlAttribute pfRootNS = rdfDoc.CreateAttribute("xmlns:" + p.Prefix);
XmlText pfRootNSText = rdfDoc.CreateTextNode(p.ToString());
pfRootNS.AppendChild(pfRootNSText);
rdfRoot.Attributes.Append(pfRootNS);
}
});
//Write the graph's base uri to resolve eventual relative #IDs
XmlAttribute pfBaseNS = rdfDoc.CreateAttribute(RDFVocabulary.XML.PREFIX + ":base");
XmlText pfBaseNSText = rdfDoc.CreateTextNode(graph.Context.ToString());
pfBaseNS.AppendChild(pfBaseNSText);
rdfRoot.Attributes.Append(pfBaseNS);
#endregion
#region linq
//Group the graph's triples by subj
var groupedList = (from triple in graph
orderby triple.Subject.ToString()
group triple by new {
subj = triple.Subject.ToString()
});
#endregion
#region graph
//Iterate over the calculated groups
Dictionary<RDFResource, XmlNode> containers = new Dictionary<RDFResource, XmlNode>();
//Floating containers have reification subject which is never object of any graph's triple
Boolean floatingContainers = graph.GraphMetadata.Containers.Keys.Any(k =>
graph.Triples.Values.Count(v => v.Object.Equals(k)) == 0);
//Floating collections have reification subject which is never object of any graph's triple
Boolean floatingCollections = graph.GraphMetadata.Collections.Keys.Any(k =>
graph.Triples.Values.Count(v => v.Object.Equals(k)) == 0);
foreach (var group in groupedList) {
#region subj
//Check if the current subj is a container or a collection subj: if so it must be
//serialized in the canonical RDF/XML way instead of the "rdf:Description" way
XmlNode subjNode = null;
String subj = group.Key.subj;
//It is a container subj, so add it to the containers pool
if (graph.GraphMetadata.Containers.Keys.Any(k => k.ToString().Equals(subj, StringComparison.Ordinal)) && !floatingContainers) {
switch (graph.GraphMetadata.Containers.Single(c => c.Key.ToString().Equals(subj, StringComparison.Ordinal)).Value) {
case RDFModelEnums.RDFContainerTypes.Bag:
subjNode = rdfDoc.CreateNode(XmlNodeType.Element, RDFVocabulary.RDF.PREFIX + ":Bag", RDFVocabulary.RDF.BASE_URI);
containers.Add(new RDFResource(subj), subjNode);
break;
case RDFModelEnums.RDFContainerTypes.Seq:
subjNode = rdfDoc.CreateNode(XmlNodeType.Element, RDFVocabulary.RDF.PREFIX + ":Seq", RDFVocabulary.RDF.BASE_URI);
containers.Add(new RDFResource(subj), subjNode);
break;
case RDFModelEnums.RDFContainerTypes.Alt:
subjNode = rdfDoc.CreateNode(XmlNodeType.Element, RDFVocabulary.RDF.PREFIX + ":Alt", RDFVocabulary.RDF.BASE_URI);
containers.Add(new RDFResource(subj), subjNode);
break;
}
}
//It is a subj of a collection of resources, so do not append triples having it as a subject
//because we will reconstruct the collection and append it as a whole
else if (graph.GraphMetadata.Collections.Keys.Any(k => k.ToString().Equals(subj, StringComparison.Ordinal)) &&
graph.GraphMetadata.Collections.Single(c => c.Key.ToString().Equals(subj, StringComparison.Ordinal)).Value.ItemType == RDFModelEnums.RDFItemTypes.Resource &&
!floatingCollections) {
continue;
}
//It is neither a container or a collection subj
else {
subjNode = rdfDoc.CreateNode(XmlNodeType.Element, RDFVocabulary.RDF.PREFIX + ":Description", RDFVocabulary.RDF.BASE_URI);
//<rdf:Description rdf:nodeID="blankID">
XmlAttribute subjNodeDesc = null;
XmlText subjNodeDescText = rdfDoc.CreateTextNode(group.Key.subj);
if (group.Key.subj.StartsWith("bnode:")) {
subjNodeDescText.InnerText = subjNodeDescText.InnerText.Replace("bnode:", String.Empty);
subjNodeDesc = rdfDoc.CreateAttribute(RDFVocabulary.RDF.PREFIX + ":nodeID", RDFVocabulary.RDF.BASE_URI);
}
//<rdf:Description rdf:about="subjURI">
else {
subjNodeDesc = rdfDoc.CreateAttribute(RDFVocabulary.RDF.PREFIX + ":about", RDFVocabulary.RDF.BASE_URI);
}
subjNodeDesc.AppendChild(subjNodeDescText);
subjNode.Attributes.Append(subjNodeDesc);
}
#endregion
#region predObjList
//Iterate over the triples of the current group
foreach (var triple in group) {
//Do not append the triple if it is "SUBJECT rdf:type rdf:[Bag|Seq|Alt]"
if (!(triple.Predicate.Equals(RDFVocabulary.RDF.TYPE) &&
(subjNode.Name.Equals(RDFVocabulary.RDF.PREFIX + ":Bag", StringComparison.Ordinal) ||
subjNode.Name.Equals(RDFVocabulary.RDF.PREFIX + ":Seq", StringComparison.Ordinal) ||
subjNode.Name.Equals(RDFVocabulary.RDF.PREFIX + ":Alt", StringComparison.Ordinal)))) {
#region pred
String predString = triple.Predicate.ToString();
//"<predPREF:predURI"
RDFNamespace predNS =
(RDFNamespaceRegister.GetByNamespace(predString) ??
RDFModelUtilities.GenerateNamespace(predString, false));
//Refine the pred with eventually necessary sanitizations
String predUri = predString.Replace(predNS.ToString(), predNS.Prefix + ":")
.Replace(":#", ":")
.TrimEnd(new Char[] { ':', '/' });
//Sanitize eventually detected automatic namespace
if (predUri.StartsWith("autoNS:")) {
predUri = predUri.Replace("autoNS:", string.Empty);
}
//Do not write "xmlns" attribute if the predUri is the context of the graph
XmlNode predNode = null;
if (predNS.ToString().Equals(graph.Context.ToString(), StringComparison.Ordinal)) {
predNode = rdfDoc.CreateNode(XmlNodeType.Element, predUri, null);
}
else {
predNode = rdfDoc.CreateNode(XmlNodeType.Element, predUri, predNS.ToString());
}
#endregion
#region object
if (triple.TripleFlavor == RDFModelEnums.RDFTripleFlavors.SPO) {
//If the object is a container subj, we must append its entire node saved in the containers dictionary
if (containers.Keys.Any(k => k.Equals(triple.Object)) && !floatingContainers) {
predNode.AppendChild(containers.Single(c => c.Key.Equals(triple.Object)).Value);
}
//Else, if the object is a subject of a collection of resources, we must append the "rdf:parseType=Collection" attribute to the predicate node
else if (graph.GraphMetadata.Collections.Keys.Any(k => k.Equals(triple.Object)) &&
graph.GraphMetadata.Collections.Single(c => c.Key.Equals(triple.Object)).Value.ItemType == RDFModelEnums.RDFItemTypes.Resource &&
!floatingCollections) {
XmlAttribute rdfParseType = rdfDoc.CreateAttribute(RDFVocabulary.RDF.PREFIX + ":parseType", RDFVocabulary.RDF.BASE_URI);
XmlText rdfParseTypeText = rdfDoc.CreateTextNode("Collection");
rdfParseType.AppendChild(rdfParseTypeText);
predNode.Attributes.Append(rdfParseType);
//Then we append sequentially the collection elements
List<XmlNode> collElements = RDFModelUtilities.ReconstructCollection(graph.GraphMetadata, (RDFResource)triple.Object, rdfDoc);
collElements.ForEach(c => predNode.AppendChild(c));
}
//Else, threat it as a traditional object node
else {
String objString = triple.Object.ToString();
XmlAttribute predNodeDesc = null;
XmlText predNodeDescText = rdfDoc.CreateTextNode(objString);
// rdf:nodeID="blankID">
if (objString.StartsWith("bnode:")) {
predNodeDescText.InnerText = predNodeDescText.InnerText.Replace("bnode:", String.Empty);
predNodeDesc = rdfDoc.CreateAttribute(RDFVocabulary.RDF.PREFIX + ":nodeID", RDFVocabulary.RDF.BASE_URI);
}
// rdf:resource="objURI">
else {
predNodeDesc = rdfDoc.CreateAttribute(RDFVocabulary.RDF.PREFIX + ":resource", RDFVocabulary.RDF.BASE_URI);
}
predNodeDesc.AppendChild(predNodeDescText);
predNode.Attributes.Append(predNodeDesc);
}
}
#endregion
#region literal
else {
#region plain literal
if (triple.Object is RDFPlainLiteral) {
RDFPlainLiteral pLit = (RDFPlainLiteral)triple.Object;
// xml:lang="plitLANG">
if (pLit.Language != String.Empty) {
XmlAttribute plainLiteralLangNodeDesc = rdfDoc.CreateAttribute(RDFVocabulary.XML.PREFIX + ":lang", RDFVocabulary.XML.BASE_URI);
XmlText plainLiteralLangNodeDescText = rdfDoc.CreateTextNode(pLit.Language);
plainLiteralLangNodeDesc.AppendChild(plainLiteralLangNodeDescText);
predNode.Attributes.Append(plainLiteralLangNodeDesc);
}
}
#endregion
#region typed literal
// rdf:datatype="tlitURI">
else {
RDFTypedLiteral tLit = (RDFTypedLiteral)triple.Object;
XmlAttribute typedLiteralNodeDesc = rdfDoc.CreateAttribute(RDFVocabulary.RDF.PREFIX + ":datatype", RDFVocabulary.RDF.BASE_URI);
XmlText typedLiteralNodeDescText = rdfDoc.CreateTextNode(tLit.Datatype.ToString());
typedLiteralNodeDesc.AppendChild(typedLiteralNodeDescText);
predNode.Attributes.Append(typedLiteralNodeDesc);
}
#endregion
//litVALUE</predPREF:predURI>"
XmlText litNodeDescText = rdfDoc.CreateTextNode(((RDFLiteral)triple.Object).Value);
predNode.AppendChild(litNodeDescText);
}
#endregion
subjNode.AppendChild(predNode);
}
}
//Raw containers must not be written as-is, instead they have to be saved
//and attached when their subj is found later as object of a triple
if (!subjNode.Name.Equals(RDFVocabulary.RDF.PREFIX + ":Bag", StringComparison.Ordinal) &&
!subjNode.Name.Equals(RDFVocabulary.RDF.PREFIX + ":Seq", StringComparison.Ordinal) &&
!subjNode.Name.Equals(RDFVocabulary.RDF.PREFIX + ":Alt", StringComparison.Ordinal)) {
rdfRoot.AppendChild(subjNode);
}
#endregion
}
#endregion
rdfDoc.AppendChild(rdfRoot);
#endregion
rdfDoc.Save(rdfxmlWriter);
}
#endregion
}
catch (Exception ex) {
throw new RDFModelException("Cannot serialize Xml because: " + ex.Message, ex);
}
}