void LoadShortcuts()
{
using (var db = new LiteDatabase(@".\sc.db"))
{
var collection = db.GetCollection <Shortcut>();
var list = collection.FindAll()?.ToList();
if (list != null)
{
foreach (var shortcut in list)
{
MemoryStream iconStream = new MemoryStream();
var fs = db.GetStorage <string>();
// method 1
//var file = fs.FindById(shortcut.Icon);
//file.CopyTo(iconStream);
// method 2
//fs.Download(shortcut.Icon, @"D:\luzhi.jpg", true);
// method 3
//var file = fs.FindById(shortcut.Icon);
//if (file != null)
//{
// using (var fStream = file.OpenRead())
// {
// fStream.CopyTo(iconStream);
// iconStream.Seek(0, SeekOrigin.Begin);
// }
//}
// 加载图标
if (!string.IsNullOrEmpty(shortcut.Icon))
{
fs.Download(shortcut.Icon, iconStream);
iconStream.Seek(0, SeekOrigin.Begin); // 就差这一句
shortcut.IconStream = (ImageSource) new ImageSourceConverter().ConvertFrom(iconStream);
}
else
{
if (File.Exists(shortcut.Command))
{
var icon = ShellIcon.GetLargeIcon(shortcut.Command);
shortcut.IconStream = icon.ToImageSource();
}
else
{
//todo: 默认图标
}
}
}
}
this.Datas = list;
}
}
public void Add(Shortcut shortcut)
{
using (var db = new LiteDatabase(@".\sc.db"))
{
var collection = db.GetCollection <Shortcut>();
// 给shortcut加上Id
shortcut.ShortcutId = ObjectId.NewObjectId();
collection.Insert(shortcut);
// 上传图标
if (!string.IsNullOrEmpty(shortcut.Icon))
{
var storage = db.GetStorage <string>();
storage.Upload(shortcut.ShortcutId.ToString(), shortcut.Icon);
}
else
{
string key = shortcut.ShortcutId.ToString();
string iconKey = "$/Icons/" + key;
shortcut.Icon = iconKey;
if (File.Exists(shortcut.Command))
{
var icon = ShellIcon.GetLargeIcon(shortcut.Command);
MemoryStream ms = new MemoryStream();
icon.Save(ms);
var storage = db.GetStorage <string>();
storage.Upload(key, iconKey, ms);
ms.Dispose();
}
}
}
}