c# 代码

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c# 代码

  using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Runtime.InteropServices;
using System.IO;
using System.Threading; 
using System.Net; 

public static string httpget(string url)
{
	string result = "";
	HttpWebRequest req = (HttpWebRequest)WebRequest.Create(url);
	req.Method = "Get";
	//req.Headers.Add()
	try
	{
		HttpWebResponse resp = (HttpWebResponse)req.GetResponse();
		Stream stream = resp.GetResponseStream();
		//获取内容
		using (StreamReader reader = new StreamReader(stream, Encoding.UTF8))
		{
			result = reader.ReadToEnd();
		}
	}
	catch (Exception ex)
	{
		result = ex.Message;
	}
	return result;
}
 
	public     static string uploadimg(string imagePath)
    {
        // 图片文件的本地路径，替换为实际要上传的图片路径
        //
        // 上传图片的服务器接口地址，替换为真实有效的地址
        string uploadUrl = "http://dt1.hyocr.com:8080/uploadpic.php";

		string responseText = string.Empty;
        // 模拟多个请求参数，可根据实际情况替换具体值
        Dictionary parameters = new Dictionary()
        {
            { "dati_type", "8091" }, //答题类型
            { "acc_str", "xxxxxxxxxxxx" },//用户自己的答题串 以便计费 登录账号查询自己的答题密码串
            { "extra_str", "题目是。。。。" } ,//描述问题内容，以便答题人员能够理解答题
            { "zz", "" } ,//作者帐号(给予返利)
            { "pri", "9" } ,//优先级
            { "timeout", "70" } ,//答题时间不要太小，否则容易超时而不能返回结果 
        };


        HttpWebRequest request = (HttpWebRequest)WebRequest.Create(uploadUrl);
        request.Method = "POST";
        request.ContentType = "multipart/form-data; boundary=----WebKitFormBoundary7MA4YWxkTrZu0gW";

        byte[] requestBody = BuildRequestBody(imagePath, parameters);

        request.ContentLength = requestBody.Length;

        using (Stream requestStream = request.GetRequestStream())
        {
            requestStream.Write(requestBody, 0, requestBody.Length);
        }

        try
        {
            using (WebResponse response = request.GetResponse())
            {
                using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
                {
                    responseText = reader.ReadToEnd();
                    Console.WriteLine("服务器返回内容: " + responseText);
                }
            }
        }
        catch (WebException ex)
        {
            using (WebResponse errorResponse = ex.Response)
            {
                if (errorResponse!= null)
                {
                    using (StreamReader reader = new StreamReader(errorResponse.GetResponseStream(), Encoding.UTF8))
                    {
                        responseText   = reader.ReadToEnd();
                        Console.WriteLine("请求出错，服务器返回错误信息: " + errorText);
                    }
                }
            }
        }
		return responseText;
    }

    static byte[] BuildRequestBody(string imagePath, Dictionary parameters)
    {
        byte[] boundaryBytes = Encoding.ASCII.GetBytes("------WebKitFormBoundary7MA4YWxkTrZu0gW\r\n");
        byte[] endBoundaryBytes = Encoding.ASCII.GetBytes("\r\n------WebKitFormBoundary7MA4YWxkTrZu0gW--\r\n");

        MemoryStream memoryStream = new MemoryStream();

        foreach (var param in parameters)
        {
            memoryStream.Write(boundaryBytes, 0, boundaryBytes.Length);
            string paramHeader = $"Content-Disposition: form-data; name=\"{param.Key}\"\r\n\r\n{param.Value}\r\n";
            byte[] paramHeaderBytes = Encoding.UTF8.GetBytes(paramHeader);
            memoryStream.Write(paramHeaderBytes, 0, paramHeaderBytes.Length);
        }

        using (FileStream fileStream = new FileStream(imagePath, FileMode.Open, FileAccess.Read))
        {
            memoryStream.Write(boundaryBytes, 0, boundaryBytes.Length);
            string imageHeader = $"Content-Disposition: form-data; name=\"pic\"; filename=\"{Path.GetFileName(imagePath)}\"\r\nContent-Type: image/jpeg\r\n\r\n";
            byte[] imageHeaderBytes = Encoding.UTF8.GetBytes(imageHeader);
            memoryStream.Write(imageHeaderBytes, 0, imageHeaderBytes.Length);

            byte[] buffer = new byte[1024];
            int bytesRead;
            while ((bytesRead = fileStream.Read(buffer, 0, buffer.Length)) > 0)
            {
                memoryStream.Write(buffer, 0, bytesRead);
            }
        }

        memoryStream.Write(endBoundaryBytes, 0, endBoundaryBytes.Length);

        return memoryStream.ToArray();
    }
	
	
	
public static void main(){
	string imagePath = @"C:\temp\test.jpg";
	string result = uploadimg(imagePath);
	if(result.Substring(0,1)=="#"){
		Console.WriteLine("出错了 : " + responseText);
		return;
	}
	string sid = result;
	string getAnswerUrl = "http://dt1.hyocr.com:8080/Query.php?sid=" + sid;
	 for (int i = 0; i < 60;i++ )
	{
		string answer_tmp = httpget(getAnswerUrl); 
		if(answer_tmp!=""){
			
			if(answer_tmp.Substring(0,1)=="#"){
                Console.WriteLine("识别出错了: " + answer_tmp);
			}else{
				
                Console.WriteLine("识别结果是: " + answer_tmp);
			}
			break;
		}
		Thread.Sleep(1000);
	}
}

说明：xxxxxxxxxxxxxxx替换成密码串 提交成功后会返回一组字符串 直接用这个字符串每1秒循环get提交到http://dt1.hyocr.com:8080/Query.php 即可 一直取到答案为止 取到答案判断 一下答案的第一个字符串 如果为“#” 即为报错了 如果不是#开头 即为返回的答案