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我有一个web应用程序，它运行一个计划作业，该作业从我管理的页面中获取Facebook评论。这里是一个片段Facebook访问令牌持续过期c＃
public void Execute(IJobExecutionContext context)
{
//get api details from the web.config
var pageId = WebConfigurationManager.AppSettings["FacebookPageId"];
var token = WebConfigurationManager.AppSettings["FacebookAPIToken"];
if (!string.IsNullOrEmpty(token))
{
//create a facebook client object
var client = new FacebookClient(token);
//make a call to facebook to retrieve the json data
dynamic graphJson = client.Get(pageId + "?fields=ratings{review_text,reviewer,rating}").ToString();
//deserialize the json returned from facebook
ReviewDeserializeData reviews = JsonConvert.DeserializeObject<ReviewDeserializeData>(graphJson);
//loop through the deserialized data and pass each review to the import class
foreach (var rating in reviews.ratings.data)
{
var fbRating = new FacebookRating
{
RatingReviewerId = long.Parse(rating.reviewer.id),
StarRating = rating.rating,
ReviewerName = rating.reviewer.name,
ReviewText = rating.review_text
};
ImportFacebookRating.ImportTheFacebookRating(fbRating);
}
}
}
这个工程很好，直到页面访问令牌过期。我尝试过以下很多文章，例如这一个https://medium.com/@Jenananthan/how-to-create-non-expiry-facebook-page-token-6505c642d0b1#.24vb5pyiv，但我没有运气确定令牌过期。
有谁知道我可以做到这一点，或者有没有办法以编程方式生成一个新的令牌，如果现有的已过期？此刻我已将它作为应用程序设置存储在web.config中。
感谢