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);
}
}
// 身份证识别
/// <summary>
/// 身份证识别
/// </summary>
/// <param name="token">Accesstoken</param>
/// <param name="imagePath">图片路径</param>
/// <param name="recognitionString">识别结果</param>
/// <param name="errorMsg">错误信息</param>
/// <param name="id_card_side"> front：身份证正面；back：身份证背面</param>
/// <param name="detect_direction">是否检测图像朝向，默认不检测，即：false。朝向是指输入图像是正常方向、逆时针旋转90/180/270度。可选值包括:- true：检测朝向；- false：不检测朝向。</param>
/// <param name="detect_risk"> string 类型 是否开启身份证风险类型(身份证复印件、临时身份证、身份证翻拍、修改过的身份证)功能，默认不开启，即：false。可选值:true-开启；false-不开启</param>
/// <returns>结果状态</returns>
public static APIBaseModel <IDCardRecognitionModel> GetIdcardRecognitionString(string token, string imagePath, ref string recognitionString, out string errorMsg, string id_card_side = "front", bool detect_direction = false, string detect_risk = "false")
{
bool resultState = true;
APIBaseModel <IDCardRecognitionModel> tempModel = new APIBaseModel <IDCardRecognitionModel>();
tempModel.contextModel = new IDCardRecognitionModel();
string strbaser64 = "";
try
{
#region 基础校验
string verificationMsg = "";
errorMsg = "";
var verifyResult = ImageVerification.VerificationImage <IDCardRecognitionModel>(imagePath, System.Drawing.Imaging.ImageFormat.Jpeg, tempModel, out verificationMsg, out strbaser64);
if (!verifyResult.state)
{
return(verifyResult);
}
#region 基础校验 早期版本
//string verificationMsg = "";
//errorMsg = "";
//bool isVerification = ImageVerification.VerificationImage(imagePath, out verificationMsg);
//if (!isVerification)
//{
// errorMsg += verificationMsg;
// tempModel.state = false;
// tempModel.errorMsg = errorMsg;
// return tempModel;
//}
//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
#endregion
#region 请求接口
recognitionString = "";
string host = "https://aip.baidubce.com/rest/2.0/ocr/v1/idcard?access_token=" + token;
String str = "id_card_side=" + id_card_side + "&detect_direction=" + detect_direction + "&detect_risk=" + detect_risk + "&image=" + HttpUtility.UrlEncode(strbaser64);
var tempResult = HttpRequestHelper.Post(host, str);
recognitionString = tempResult;
if (recognitionString.Contains("\"error_code\""))//说明异常
{
resultState = false;
tempModel.state = false;
tempModel.contextModel.errorTypeModel = Json.ToObject <ErrorTypeModel>(tempResult);
tempModel.contextModel.errorTypeModel.error_discription = OCR_CharacterRecognitionErrorType.GetErrorCodeToDescription(tempModel.contextModel.errorTypeModel.error_code);
}
else
{
tempModel.state = true;
var temp = Json.ToObject <IDCardRecognitionSuccessResultModel>(tempResult);
tempModel.contextModel.successModel = temp;
}
#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);
}
}
/// <summary>
/// 网络图片识别，适合网络图片文字识别用于识别一些网络上背景复杂，特殊字体的文字。
/// </summary>
/// <param name="tempImage"></param>
public static APIBaseModel <DrivingLicenseModel> GetWebImage(Image tempImage)
{
APIBaseModel <DrivingLicenseModel> tempModel = new APIBaseModel <DrivingLicenseModel>();
tempModel.contextModel = new DrivingLicenseModel();
var client = new Ocr.Ocr(Config.clientId, Config.clientSecret);
var image = ImageHelper.ImageToBytes(tempImage, System.Drawing.Imaging.ImageFormat.Png);
string result = client.WebImage(image, null).ToString();
if (result.Contains("\"error_code\""))//说明异常
{
tempModel.state = false;
tempModel.contextModel.errorTypeModel = Json.ToObject <ErrorTypeModel>(result);
tempModel.errorMsg = tempModel.contextModel.errorTypeModel.error_discription = OCR_CharacterRecognitionErrorType.GetErrorCodeToDescription(tempModel.contextModel.errorTypeModel.error_code);
}
else
{
tempModel.state = true;
tempModel.contextModel.successModel = Json.ToObject <DrivingLicenseSuessResultModel>(result);
}
return(tempModel);
}
