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我有一個web應用程序，它運行一個計劃作業，該作業從我管理的頁面中獲取Facebook評論。這裏是一個片段Facebook訪問令牌持續過期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);
}
}
}
這個工程很好，直到頁面訪問令牌過期。我嘗試過以下很多文章，例如這一個https://medium.com/@Jenananthan/how-to-create-non-expiry-facebook-page-token-6505c642d0b1#.24vb5pyiv，但我沒有運氣確定令牌過期。
有誰知道我可以做到這一點，或者有沒有辦法以編程方式生成一個新的令牌，如果現有的已過期？此刻我已將它作爲應用程序設置存儲在web.config中。
感謝