public async Task <ActionResult> OnPostAsync()
{
if (PostData.ImageFiles == null || PostData.ImageFiles.Count == 0)
{
Message = "请上传图片。";
return(Page());
}
var httpclient = _httpClientFactory.CreateClient();
var client = new RecognitionClient(httpclient);
try
{
List <RecResult> res = new List <RecResult>();
List <string> imgs = new List <string>();
foreach (var f in PostData.ImageFiles)
{
string encoded = "";
using (var memoryStream = new MemoryStream())
{
await f.CopyToAsync(memoryStream);
var bytes = memoryStream.ToArray();
encoded = Convert.ToBase64String(bytes);
}
imgs.Add(encoded);
}
foreach (var encoded in imgs)
{
string c = "";
try
{
c = await client.RecognizeAsync(encoded);
}
catch (Exception ex)
{
c = "识别失败";
Console.WriteLine(ex.ToString());
}
res.Add(new RecResult {
ImageSrc = encoded, CardNumber = c
});
}
Results = res;
}
catch
{
Message = "访问服务器失败。";
}
return(Page());
}
public async Task <string> Recognize([FromBody] string image)
{
var httpclient = _httpClientFactory.CreateClient();
var client = new RecognitionClient(httpclient);
string res;
try
{
res = await client.RecognizeAsync(image);
}
catch
{
res = "识别失败";
}
return(res);
}