private void BankCardRecognition_Click(object sender, EventArgs e)
{
// OcrDemo.BankCard(imagePath);
string getRecognitonString = "";
string errorString = "";
var tempTokenModel = Access_Token.GetAccessToken();
if (tempTokenModel.IsSuccess)
{
BankCardRecognitionModel tempModel = BankCardRecognition.GetBankCardRecognitionString(tempTokenModel.SuccessModel.access_token, imagePath, ref getRecognitonString, out errorString);
tb_Json.Text = getRecognitonString;
}
}
public static BankCardRecognitionModel GetBankCardRecognitionString(string token, string imagePath, ref string recognitionString, out string errorMsg)
{
bool resultState = true;
BankCardRecognitionModel tempModel = new BankCardRecognitionModel();
errorMsg = "";
try
{
#region 基础校验
string verificationMsg = "";
errorMsg = "";
bool isVerification = ImageVerification.VerificationImage(imagePath, out verificationMsg);
if (!isVerification)
{
errorMsg += verificationMsg;
tempModel.state = false;
tempModel.errorMsg = errorMsg;
return(tempModel);
}
//注意，转换时候 一直传递是 接口适配的文件类型，所有图片的类型转换很关键
string strbaser64 = ConvertDataFormatAndImage.ImageToByte64String(imagePath, System.Drawing.Imaging.ImageFormat.Jpeg); // 图片的base64编码
Encoding encoding = Encoding.Default;
string urlEncodeImage = HttpUtility.UrlEncode(strbaser64);
byte[] tempBuffer = encoding.GetBytes(urlEncodeImage);
if (tempBuffer.Length > 1024 * 1024 * 4)
{
errorMsg += "图片加密 后的大小超过4MB！";
recognitionString = "";
tempModel.state = false;
tempModel.errorMsg = errorMsg;
return(tempModel);
}
#endregion
#region 请求接口
recognitionString = "";
string host = "https://aip.baidubce.com/rest/2.0/ocr/v1/bankcard?access_token=" + token;
String str = "&image=" + HttpUtility.UrlEncode(strbaser64);
var tempResult = HttpRequestHelper.Post(host, str);
recognitionString = tempResult;
tempModel.returnJson = tempResult;
if (recognitionString.Contains("\"error_code\""))//说明异常
{
resultState = false;
tempModel.state = false;
tempModel.errorTypeModel = Json.ToObject <Model.ErrorTypeModel>(tempResult);
tempModel.errorTypeModel.error_discription = OCR_CharacterRecognitionErrorType.GetErrorCodeToDescription(tempModel.errorTypeModel.error_code);
}
else
{
tempModel.state = true;
tempModel.successModel = Json.ToObject <BankCardSuccessResultModel>(tempResult);
}
#endregion
return(tempModel);
}
catch (Exception ex)//接口外部异常，如网络异常
{
resultState = false;
errorMsg = ex.ToString();
tempModel.state = false;
tempModel.errorMsg = ex.ToString();
return(tempModel);
}
}