chris_walker为我提供了这个帮助。
我已将事件接收器添加到该功能。之后,我已经在Feature Activated方法中检索了Web应用程序根目录。最后,我将webpart模式作为txt文件打开,并将一个关键字(〜sitecollection)替换为真实的网站集URL。
public class WebPartEventReceiver : SPFeatureReceiver
{
public override void FeatureActivated(SPFeatureReceiverProperties properties) {
SPSite site = properties.Feature.Parent as SPSite;
if (site != null) {
SPList webPartsGallery = site.GetCatalog(SPListTemplateType.WebPartCatalog);
SPListItemCollection allWebParts = webPartsGallery.Items;
SPListItem webPart = (from SPListItem wp in allWebParts where wp.File.Name == "your.webpart" select wp).SingleOrDefault();
if (webPart != null) {
string siteCollectionUrl = site.ServerRelativeUrl;
if (!siteCollectionUrl.EndsWith("/")) { siteCollectionUrl += "/"; }
string fileContents = Encoding.UTF8.GetString(webPart.File.OpenBinary());
fileContents = fileContents.Replace("~sitecollection/", siteCollectionUrl);
webPart.File.SaveBinary(Encoding.UTF8.GetBytes(fileContents));
}
}
}