//下载一个解析好的Album对象，把每张图片存入本地
private async Task donwloadAlbumObject(Album album)
{
//判断是否需要为相册创建单独的文件夹
StorageFolder saveFolder = DownloadFolder;
if (NeedIndividualFolder)
{
saveFolder = await DownloadFolder.CreateFolderAsync(album.AlbumName, CreationCollisionOption.GenerateUniqueName);
}
int picNum = 0;
foreach (string imagePageUrl in album.ImagePageUrlList)
{
picNum++;
Picture picture = await findPictureInImagePage(album.AlbumName, picNum, imagePageUrl);
album.PictureList.Add(picture);
//让程序暂停，但已经开始的Task还是会完成下载。
while (IsPausing)
{
await Task.Delay(1000);
}
imageDownload(picture, saveFolder);
}
album.IsDownloaded = true;
//album.DownloadStateIcon = Symbol.Accept;
}
//去图标网站下载图标
private async Task downloadIconsFromWeb(Album album)
{
string htmlPage = await htmlDownloadAsync(album.AlbumUrlUserInput);
string pattern1 = "srcset=\"[^\"]+";
MatchCollection matches = Regex.Matches(htmlPage, pattern1);
string pattern2 = "[a-zA-z]+://[^\\s]*";
//List<string> imageUrls = new List<string>();
foreach (Match match in matches)
{
MatchCollection matches1 = Regex.Matches(match.Value, pattern2);
foreach (Match match_1 in matches1)
{
if (match_1.Value.Contains("/previews/"))
{
}
else
{
string[] temp = match_1.Value.Split("/");
string fileName = temp[temp.Length - 1];
string pictureUrl = match_1.Value;
album.PictureList.Add(
new Picture()
{
PictureUrl = pictureUrl,
PictureFileName = fileName,
PicturePageUrl = pictureUrl,
}
);
}
}
}
album.AlbumName = searchFolderNameInHtml(htmlPage);
//判断是否需要为相册创建单独的文件夹
StorageFolder saveFolder = DownloadFolder;
if (NeedIndividualFolder)
{
saveFolder = await DownloadFolder.CreateFolderAsync(album.AlbumName, CreationCollisionOption.GenerateUniqueName);
}
foreach (Picture picture in album.PictureList)
{
imageDownload(picture, saveFolder);
}
}