public IActionResult PutUserNote(int id, UserNoteDTO userNote, string token)
{
var userid = _utils.VerifyRequest(token);
if (userid is null)
{
return(StatusCode(403));
}
var note = _context.UserNote.Single(u => u.id == id);
//调用百度API进行自然语言处理
var client = _utils.GetBaiduClient();
//情感分析
var sentiment_result = client.SentimentClassify(userNote.content);
//关键词提取
var keywords = _services.ExtractKeywords(userNote.content);
//更新
note.userid = int.Parse(userid);
note.content = userNote.content;
note.wordcount = userNote.wordcount;
note.dateTime = userNote.dateTime;
note.sentiment = sentiment_result["items"][0].Value <int>("sentiment");
note.tags = keywords;
_context.Update <UserNote>(note);
_context.SaveChanges();
return(StatusCode(200));
}