public Task <IDCardFrontOCRResult> RecognizeIDCardFront(Stream idCardFrontImageData)
{
var result = new IDCardFrontOCRResult
{
Name = "Name",
SexString = "男",
Nationality = "Nationality",
DateOfBirth = new DateTime(1985, 1, 15),
Address = "Address",
IDCardNumber = "530302198501150314",
};
return(Task.FromResult(result));
}
/// <summary>
/// 识别身份证正面（个人信息面）。
/// </summary>
/// <param name="idCardFrontImageData"></param>
/// <returns></returns>
public async Task <IDCardFrontOCRResult> RecognizeIDCardFront(Stream idCardFrontImageData)
{
string imgBase64;
using (var ms = new MemoryStream())
{
idCardFrontImageData.CopyTo(ms);
imgBase64 = Convert.ToBase64String(ms.ToArray());
}
var requestData = new
{
image = imgBase64,
configure = new
{
side = "face",
},
};
var request = WebRequest.Create(svcUrl);
request.Method = "POST";
request.Headers.Add("Authorization", "APPCODE " + appCode);
request.ContentType = "application/json; charset=UTF-8";
var requestStream = await request.GetRequestStreamAsync();
var writer = new StreamWriter(requestStream);
var jsonWriter = new JsonTextWriter(writer);
this.serializer.Serialize(jsonWriter, requestData);
jsonWriter.Flush();
WebResponse response;
try
{
response = await request.GetResponseAsync();
}
catch (Exception ex)
{
Trace.TraceError(ex.Message);
throw;
}
var responseStream = response.GetResponseStream();
var result = this.serializer.Deserialize <dynamic>(new JsonTextReader(new StreamReader(responseStream)));
response.Close();
if (!(bool)result.success)
{
throw new IDCardRecognizeException("Can not recognize");
}
var returnResult = new IDCardFrontOCRResult
{
Name = (string)result.name,
SexString = (string)result.sex,
Nationality = (string)result.nationality,
DateOfBirth = this.parseDate((string)result.birth),
Address = (string)result.address,
IDCardNumber = (string)result.num,
};
return(returnResult);
}
