static async Task Main(string[] args)
{
foreach (var rssUrl in rssUrls)
{
// analyze
var content = await _httpClient.GetStringAsync(rssUrl);
Rss newRss = null;
try
{
newRss = XmlConvertExtension.DeserializeObject <Rss>(content);
}
catch
{
Console.WriteLine($"{rssUrl} RSS订阅发生异常，请查看RSS源是否能正常访问！");
}
// find exsited rss
var existRss = await FindRssAsync(Path.Combine(root, "edi.wang.xml"));
// compare rss
if (newRss.Channel.Items.Count == existRss.Channel.Items.Count)
{
Console.WriteLine($"{rssUrl} 暂无更新!");
}
else
{
Console.WriteLine($"请注意! {rssUrl} 有更新:" + newRss.Channel.Items[0].Title + " 发布时间:" + newRss.Channel.Items[0].PubDateString);
}
}
Console.ReadLine();
}
static async Task <Rss> FindRssAsync(string url)
{
using var fileStream = new FileStream(url, FileMode.Open);
var buffer = new byte[fileStream.Length];
await fileStream.ReadAsync(buffer, 0, buffer.Length);
var xml = Encoding.UTF8.GetString(buffer);
// deserialize
return(XmlConvertExtension.DeserializeObject <Rss>(xml));
}