营业执照OCR识别API接口如何用C#调用
服务器和计算设备的性能不断提升,为 OCR 识别提供了更强大的计算能力支持。更快的 CPU、GPU 以及分布式计算技术的应用,使得营业执照图片的处理速度大幅加快,能够在更短的时间内完成大量营业执照的识别工作。
研发人员不断对 OCR 识别算法进行优化,减少不必要的计算步骤和时间消耗。采用并行处理、多线程技术等,让识别系统能够同时处理多个任务,进一步提高识别速度。例如,一些先进的 OCR 识别 API 接口可以在几秒内完成一张营业执照的识别,满足了企业和机构对高效处理的需求。
以下是C#实现营业执照OCR识别API接口的示例代码:
using System;
using System.IO;
using System.Net;
using System.Net.Security;
using System.Security.Cryptography;
using System.Security.Cryptography.X509Certificates;
using System.Text;
public class ApiDemo {
private const String url = "https://api.shuxuntech.com/v1/business/ocr";
private const String method = "POST";
private const String appKey = "您的appKey";
private const String appSecret = "您的appSecret";
public static void Main(string[] args) {
TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, 0);
String timestamp = Convert.ToInt64(ts.TotalMilliseconds).ToString();
String sign = SHA256(appKey + timestamp + appSecret);
HttpWebRequest httpRequest = null;
HttpWebResponse httpResponse = null;
httpRequest = (HttpWebRequest) WebRequest.CreateDefault(new Uri(url));
httpRequest.Method = method;
httpRequest.ContentType = "application/x-www-form-urlencoded; charset=UTF-8";
httpRequest.Headers.Add("appKey", appKey);
httpRequest.Headers.Add("timestamp", timestamp);
httpRequest.Headers.Add("sign", sign);
String image = "";
String imgUrl = "";
String params = "image=" + image + "&imgUrl=" + imgUrl;
byte[] data = Encoding.UTF8.GetBytes(params);
using (Stream stream = httpRequest.GetRequestStream()) {
stream.Write(data, 0, data.Length);
}
httpResponse = (HttpWebResponse) httpRequest.GetResponse();
Console.WriteLine(httpResponse.StatusCode);
Stream st = httpResponse.GetResponseStream();
StreamReader reader = new StreamReader(st, Encoding.GetEncoding("utf-8"));
Console.WriteLine(reader.ReadToEnd());
}
public static string SHA256(string str) {
byte[] SHA256Data = Encoding.UTF8.GetBytes(str);
SHA256Managed Sha256 = new SHA256Managed();
byte[] by = Sha256.ComputeHash(SHA256Data);
return BitConverter.ToString(by).Replace("-", "").ToLower();
}
}
返回的数据:
(1)正确返回:
"code": "0",
"msg": "成功",
"isFee": 1,
"seqNo": "98ik48a942udag92uxvhz1jw2txplza9",
"data": {
"result": 1,
"resultDesc": "识别成功,有数据",
"info": {
"enterpriseType": "有限责任公司(自然人独资)",
"address": "浙江省杭州市余杭区五常街道瑞谷中心7幢5层525-7室",
"registrationCapital": "壹佰万元整",
"opTo": "",
"orgForm": "",
"opScope": "一般项目:技术服务、技术开发、技术咨询、技术交流、技术转让、技术推广:信息系统集成服务:大数据服务:软件开发;数字内容制作服务(不含出版发行):互联网数据服务:网络与信息安全软件开发:人工智能公共数据平台:信息技术咨询服务:数据处理服务:计算机系统服务:企业管理咨询:计算机软硬件及辅助设备批发:计算机软硬件及辅助设备零售:电子产品销售;通讯设备销售:互联网销售(除销售需要许可的商品)(除依法须经批准的项目外,凭营业执照依法自主开展经营活动)",
"establishingDate": "2022-09-13",
"legalName": "李欢",
"registrationCode": "",
"opFrom": "",
"creditCode": "91330110MABYJ76842",
"opPeriod": "",
"enterpriseName": "杭州数勋科技有限公司",
"isCopy": 1
}
}
}
(2)错误返回:
{
"code": "1",
"msg": "参数错误",
"isFee": 0,
"seqNo": null,
"data": null
}
原文地址:https://blog.csdn.net/shuxuntechAPI/article/details/143629559
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