public static async Task <string> PostNewAsync(StorageFile image)
{
string result;
string token = AccessToken.getAccessToken();
string host = BaiduApi.getUrl() + "?access_token=" + token;
Encoding encoding = Encoding.Default;
HttpClient client = new HttpClient();
//client.DefaultRequestHeaders.Add("Content-Type", "application/x-www-form-urlencoded");
string imageString = await toBase64Async(image);
//str += "&disp_formula=true";
byte[] buffer = encoding.GetBytes(imageString);
//client.DefaultRequestHeaders.Add("Content-Length", buffer.Length.ToString());
//StringContent content = new StringContent(buffer);
List <KeyValuePair <string, string> > pairs = new List <KeyValuePair <string, string> >();
pairs.Add(new KeyValuePair <string, string>("image", imageString));
pairs.Add(new KeyValuePair <string, string>("disp_formula", "true"));
FormUrlEncodedContent content = new FormUrlEncodedContent(pairs);
content.Headers.ContentType = new System.Net.Http.Headers.MediaTypeHeaderValue("application/x-www-form-urlencoded");
var response = await client.PostAsync(host, content);
//request.GetRequestStream().Write(buffer, 0, buffer.Length);
//HttpWebResponse response = (HttpWebResponse)request.GetResponse();
//Stream stream = response.GetResponseStream();
//StreamReader reader = new StreamReader(stream, Encoding.Default);
//result = reader.ReadToEnd();
result = await response.Content.ReadAsStringAsync();
return(result);
}
public static async Task <string> PostAsync(StorageFile image)
{
string result;
//string token = "24.5e94ae528427824fb5e03aaf8751a7ac.2592000.1592472357.282335-19946172";
string token = AccessToken.getAccessToken();
string host = BaiduApi.getUrl() + "?access_token=" + token;
//string host = "https://aip.baidubce.com/rest/2.0/ocr/v1/formula?access_token=" + token;
Encoding encoding = Encoding.Default;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(host);
request.Method = "post";
request.KeepAlive = true;
string base64 = await toBase64Async(image);
String str = "image=" + base64;
str += "&disp_formula=true";
byte[] buffer = encoding.GetBytes(str);
request.ContentType = "application/x-www-form-urlencoded";
var handler = new HttpClientHandler();
request.ContentLength = buffer.Length;
request.GetRequestStream().Write(buffer, 0, buffer.Length);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream stream = response.GetResponseStream();
StreamReader reader = new StreamReader(stream, Encoding.Default);
result = reader.ReadToEnd();
stream.Close();
response.Close();
return(result);
}