85 lines
3.9 KiB
C#
85 lines
3.9 KiB
C#
using AOP.Common;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Web;
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namespace SgManager.AI
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{
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/// <summary>
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/// 文字识别--身份证识别 应用（只是获取身份证图片 信息，没有和公安部联网，无法确认真假，只是单纯从图片上识别文字）
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/// </summary>
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public class IDCardRecognition
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{
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// 身份证识别
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/// <summary>
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/// 身份证识别
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/// </summary>
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/// <param name="token">Accesstoken</param>
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/// <param name="imagePath">图片路径</param>
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/// <param name="recognitionString">识别结果</param>
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/// <param name="errorMsg">错误信息</param>
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/// <param name="id_card_side"> front：身份证正面；back：身份证背面</param>
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/// <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>
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/// <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>
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/// <returns>结果状态</returns>
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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")
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{
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bool resultState = true;
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APIBaseModel<IDCardRecognitionModel> tempModel = new APIBaseModel<IDCardRecognitionModel>();
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tempModel.contextModel = new IDCardRecognitionModel();
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string strbaser64 = "";
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try
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{
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#region 基础校验
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string verificationMsg = "";
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errorMsg = "";
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var verifyResult = ImageVerification.VerificationImage<IDCardRecognitionModel>(imagePath, System.Drawing.Imaging.ImageFormat.Jpeg, tempModel, out verificationMsg, out strbaser64);
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if (!verifyResult.state)
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{
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return verifyResult;
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}
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recognitionString = "";
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string host = "https://aip.baidubce.com/rest/2.0/ocr/v1/idcard?access_token=" + token;
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String str = "id_card_side=" + id_card_side + "&detect_direction=" + detect_direction + "&detect_risk=" + detect_risk + "&image=" + HttpUtility.UrlEncode(strbaser64);
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var tempResult = HttpRequestHelper.Post(host, str);
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recognitionString = tempResult;
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if (recognitionString.Contains("\"error_code\""))//说明异常
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{
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resultState = false;
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tempModel.state = false;
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tempModel.contextModel.errorTypeModel = Json.ToObject<ErrorTypeModel>(tempResult);
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tempModel.contextModel.errorTypeModel.error_discription = OCR_CharacterRecognitionErrorType.GetErrorCodeToDescription(tempModel.contextModel.errorTypeModel.error_code);
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}
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else
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{
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tempModel.state = true;
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var temp = Json.ToObject<IDCardRecognitionSuccessResultModel>(tempResult);
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tempModel.contextModel.successModel = temp;
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}
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#endregion
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return tempModel;
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}
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catch (Exception ex)//接口外部异常，如网络异常
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{
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resultState = false;
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errorMsg = ex.ToString();
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tempModel.state = false;
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tempModel.errorMsg = ex.ToString();
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return tempModel;
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}
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}
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}
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}
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