/// <summary>
/// 根据列表地址获取当前页的写真列表
/// </summary>
/// <param name="url">列表地址</param>
/// <returns></returns>
public async ValueTask <List <PhotoAlbum> > GetPhotoAlbumsByUrlAsync(string url)
{
HtmlDocument htmlDocument = await LoadHtmlHelper.LoadHtmlFromUrlAsync(url);
//获取所有的li标签
HtmlNodeCollection htmlNodes = htmlDocument.GetNodes(Meitu131Configs.PhotoAlbumsLisXPath);
///html/body/div[1]/div[2]/ul
if (htmlNodes is not null and {
Count : > 0
})
public async Task StartAsync()
{
HtmlDocument htmlDocument = await LoadHtmlHelper.LoadHtmlFromUrlAsync(Meitu131Configs.Index);
FileInfo fileInfo = new FileInfo(_categoriesDataPath);
List <Category> categories = new List <Category>();
categories = await ReadInfoAsync <List <Category> >(_categoriesDataPath);
//过去7天了，就重新加载
if ((DateTime.Now - fileInfo.LastAccessTime).Days < 7)
{
categories = await GetPageUrlsByCategoryAsync(htmlDocument);
}
if (categories is not null)
{
//获取到写真列表数据的集合
List <CategoryPhotoAlbum> categoryPhotoAlbums = new List <CategoryPhotoAlbum>();
//没有获取到的
List <CategoryPhotoAlbum> noDataCategoryPhotoAlbums = new List <CategoryPhotoAlbum>();
foreach (Category category in categories)
{
CategoryPhotoAlbum categoryPhotoAlbum = new CategoryPhotoAlbum();
categoryPhotoAlbum.ParentTitle = category.Title;
CategoryPhotoAlbum noDataCategoryPhotoAlbum = new CategoryPhotoAlbum();
noDataCategoryPhotoAlbum.ParentTitle = category.Title;
foreach (CategoryItem categoryItem in category.Items)
{
ChildCategoryPhotoAlbum childCategoryPhotoAlbum = new ChildCategoryPhotoAlbum();
childCategoryPhotoAlbum.ChildTitle = categoryItem.Title;
ChildCategoryPhotoAlbum noDataChildCategoryPhotoAlbum = new ChildCategoryPhotoAlbum();
noDataChildCategoryPhotoAlbum.ChildTitle = categoryItem.Title;
int page = 1;
foreach (string url in categoryItem.PageUrls)
{
//当前页面所有的写真集合
List <PhotoAlbum> photoAlbums = await GetPhotoAlbumsByUrlAsync(url);
if (photoAlbums.Count != 0)
{
childCategoryPhotoAlbum.PagePhotoAlbums.Add(new PagePhotoAlbum
{
Page = page,
PhotoAlbums = photoAlbums
});
}
else
{
noDataChildCategoryPhotoAlbum.PagePhotoAlbums.Add(new PagePhotoAlbum
{
Page = page,
PhotoAlbums = photoAlbums
});
}
page++;
}
categoryPhotoAlbum.childCategoryPhotoAblums.Add(childCategoryPhotoAlbum);
noDataCategoryPhotoAlbum.childCategoryPhotoAblums.Add(noDataChildCategoryPhotoAlbum);
}
categoryPhotoAlbums.Add(categoryPhotoAlbum);
noDataCategoryPhotoAlbums.Add(noDataCategoryPhotoAlbum);
}
string categoryPhotoAlbumsDataPath = Path.Combine(_dataDirectoryPath, "categoryPhotoAlbums.json");
await WriteInfoAsync(categoryPhotoAlbums, categoryPhotoAlbumsDataPath);
string noDataCategoryPhotoAlbumsDataPath = Path.Combine(_dataDirectoryPath, "noDataCategoryPhotoAlbums.json");
await WriteInfoAsync(categoryPhotoAlbums, noDataCategoryPhotoAlbumsDataPath);
//写真集合都已经拿到，该怎么保存
}
}