public void ClearHistory()
{
historyWords.Clear();
using (BiliMusicContext db = new BiliMusicContext())
{
db.SearchHistorys.RemoveRange(db.SearchHistorys);
db.SaveChangesAsync();
}
}
private void SaveHistory(string keyword)
{
using (BiliMusicContext db = new BiliMusicContext())
{
var search = db.SearchHistorys.FirstOrDefault(x => x.content.Equals(keyword));
if (search != null)
{
search.datetime = DateTime.Now;
}
else
{
db.SearchHistorys.Add(new SearchHistory()
{
content = keyword,
datetime = DateTime.Now
});
}
db.SaveChangesAsync();
}
}