Unity 接入有道智云AI

一、接口介绍

二、申请App ID、密钥

1.登录有道智云AI开放平台，进入控制台

2.在应用总览中创建应用，填写相关内容

3.获取应用ID、密钥

三、在Unity中应用

1. 定义请求数据结构

2.定义响应数据结构

3.封装调用函数

4.测试

一、接口介绍

文档翻译API接口提供有道的文档翻译服务，只需要通过调用文档翻译API，传入文档的Base64编码，指定源语言与目标语言，通过POST请求方式，就可以将文档中的文字内容进行翻译。

协议须知：

二、申请App ID、密钥

1.登录有道智云AI开放平台，进入控制台

2.在应用总览中创建应用，填写相关内容

3.获取应用ID、密钥

三、在Unity中应用

1. 定义请求数据结构

根据官方文档中接口调用参数说明定义对应的数据结构：

/// <summary>
/// 上传请求数据结构
/// </summary>
public class UploadRequest
{/// <summary>/// 待翻译文档 Base64编码 大小限制40M/// </summary>public string q;/// <summary>/// 文档名称/// </summary>public string fileName;/// <summary>/// 文档类型/// docx/pdf/doc/jpg/png/bmp/ppt/pptx/// </summary>public string fileType;/// <summary>/// 源语言/// en/zh-CHS/// </summary>public string langFrom;/// <summary>/// 目标语言/// en/zh-CHS/// </summary>public string langTo;/// <summary>/// 应用ID/// </summary>public string appKey;/// <summary>/// UUID 唯一通用识别码/// </summary>public string salt;/// <summary>/// 当前UTC时间戳 单位秒/// </summary>public string curtime;/// <summary>/// 签名 sha256 应用ID+input+salt+curtime+应用密钥/// </summary>public string sign;/// <summary>/// 服务器响应类型/// </summary>public string docType;/// <summary>/// 签名类型/// </summary>public string signType;public UploadRequest(string q, string fileName, string fileType, string langFrom, string langTo, string appKey, string secret){this.fileName = fileName;this.fileType = fileType;this.langFrom = langFrom;this.langTo = langTo;this.appKey = appKey;salt = DateTime.Now.Millisecond.ToString();//获取时间戳TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);long mills = (long)ts.TotalMilliseconds;curtime = Convert.ToString(mills / 1000);//获取签名string input = q.Length <= 20 ? q : (q.Substring(0, 10) + q.Length + q.Substring(q.Length - 10, 10));string signStr = appKey + input + salt + curtime + secret;byte[] inputBytes = Encoding.UTF8.GetBytes(signStr);byte[] hashedBytes = new SHA256CryptoServiceProvider().ComputeHash(inputBytes);sign = BitConverter.ToString(hashedBytes).Replace("-", "");//UrlEncode编码this.q = HttpUtility.UrlEncode(q);docType = "json";signType = "v3";}public override string ToString(){return string.Format("q={0}&fileName={1}&fileType={2}&langFrom={3}&langTo={4}&appKey={5}&salt={6}&curtime={7}&sign={8}&docType={9}&signType={10}",q, fileName, fileType, langFrom, langTo, appKey, salt, curtime, sign, docType, signType);}
}

/// <summary>
/// 进度查询请求数据结构
/// </summary>
public class QueryRequest
{/// <summary>/// 文档流水号/// </summary>public string flownumber;/// <summary>/// 应用ID/// </summary>public string appKey;/// <summary>/// UUID/// </summary>public string salt;/// <summary>/// 当前UTC时间戳/// </summary>public string curtime;/// <summary>/// 签名/// </summary>public string sign;/// <summary>/// 服务器响应类型/// </summary>public string docType;/// <summary>/// 签名类型/// </summary>public string signType;public QueryRequest(string flownumber, string appKey, string secret){this.flownumber = flownumber;this.appKey = appKey;salt = DateTime.Now.Millisecond.ToString();//获取时间戳TimeSpan ts = DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);long mills = (long)ts.TotalMilliseconds;curtime = Convert.ToString(mills / 1000);//获取签名string input = flownumber.Length <= 20 ? flownumber : (flownumber.Substring(0, 10) + flownumber.Length + flownumber.Substring(flownumber.Length - 10, 10));string signStr = appKey + input + salt + curtime + secret;byte[] inputBytes = Encoding.UTF8.GetBytes(signStr);byte[] hashedBytes = new SHA256CryptoServiceProvider().ComputeHash(inputBytes);sign = BitConverter.ToString(hashedBytes).Replace("-", "");docType = "json";signType = "v3";}public override string ToString(){return string.Format("flownumber={0}&appKey={1}&salt={2}&curtime={3}&sign={4}&docType={5}&signType={6}",flownumber, appKey, salt, curtime, sign, docType, signType);}
}

/// <summary>
/// 文档下载请求数据结构
/// </summary>
public class DownloadRequest : QueryRequest
{/// <summary>/// 下载类型 word/ppt/// </summary>public string downloadFileType;public DownloadRequest(string downloadFileType, string flownumber, string appKey, string secret) : base(flownumber, appKey, secret){this.downloadFileType = downloadFileType;}public override string ToString(){return string.Format("flownumber={0}&downloadFileType={1}&appKey={2}&salt={3}&curtime={4}&sign={5}&docType={6}&signType={7}",flownumber, downloadFileType, appKey, salt, curtime, sign, docType, signType);}
}

2.定义响应数据结构

根据官方文档中接口返回结果参数说明定义对应的数据结构：

#region 响应数据结构
/// <summary>
/// 上传响应数据结构
/// </summary>
public class UploadResponse
{/// <summary>/// 错误码/// </summary>public string errorCode;/// <summary>/// 文档流水号/// </summary>public string flownumber;
}
/// <summary>
/// 进度查询响应数据结构
/// </summary>
public class QueryResponse
{/// <summary>/// 错误码/// </summary>public string errorCode;/// <summary>/// 进度状态码/// </summary>public string status;/// <summary>/// 进度状态描述/// </summary>public string statusString;
}
/// <summary>
/// 文档下载响应数据结构
/// </summary>
public class DownloadResponse
{/// <summary>/// 错误码/// </summary>public string errorCode;
}
#endregion

3.封装调用函数

using System;
using System.IO;
using System.Net;
using System.Web;
using System.Text;
using UnityEngine;
using System.Security.Cryptography;/// <summary>
/// 文档翻译
/// </summary>
public class FileTrans
{//应用ID和密钥 在有道智云AI开放平台创建应用获取private static readonly string appid = "";private static readonly string secret = "";public static UploadResponse Upload(string q, string fileName, string fileType, string langFrom, string langTo){string url = "https://openapi.youdao.com/file_trans/upload";string result = "";HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);request.Method = "POST";request.ContentType = "application/x-www-form-urlencoded";string postData = new UploadRequest(q, fileName, fileType, langFrom, langTo, appid, secret).ToString();byte[] data = Encoding.UTF8.GetBytes(postData);request.ContentLength = data.Length;using (Stream requestStream = request.GetRequestStream()){requestStream.Write(data, 0, data.Length);requestStream.Close();}HttpWebResponse response = (HttpWebResponse)request.GetResponse();using(StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8)){result = reader.ReadToEnd();}Debug.Log("上传结果: " + result);return JsonUtility.FromJson<UploadResponse>(result);}public static QueryResponse Query(string flownumber){string url = "https://openapi.youdao.com/file_trans/query";string result = "";HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);request.Method = "POST";request.ContentType = "application/x-www-form-urlencoded";string postData = new QueryRequest(flownumber, appid, secret).ToString();byte[] data = Encoding.UTF8.GetBytes(postData);request.ContentLength = data.Length;using (Stream requestStream = request.GetRequestStream()){requestStream.Write(data, 0, data.Length);requestStream.Close();}HttpWebResponse response = (HttpWebResponse)request.GetResponse();using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8)){result = reader.ReadToEnd();}Debug.Log("查询结果: " + result);return JsonUtility.FromJson<QueryResponse>(result);}public static string Download(string flownumber, string downloadFileType){string url = "https://openapi.youdao.com/file_trans/download";string result = "";HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);request.Method = "POST";request.ContentType = "application/x-www-form-urlencoded";string postData = new DownloadRequest(downloadFileType, flownumber, appid, secret).ToString();byte[] data = Encoding.UTF8.GetBytes(postData);request.ContentLength = data.Length;using (Stream requestStream = request.GetRequestStream()){requestStream.Write(data, 0, data.Length);requestStream.Close();}HttpWebResponse response = (HttpWebResponse)request.GetResponse();using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8)){result = reader.ReadToEnd();}Debug.Log("下载结果: " + result);return result;}
}

4.测试

准备一个pdf英文文档

测试代码：

using System;
using System.IO;
using UnityEngine;public class FileTransExample : MonoBehaviour
{//用于记录文档流水号private string flownumber;private void OnGUI(){if(GUILayout.Button("上传", GUILayout.Width(200f), GUILayout.Height(50f))){byte[] data = File.ReadAllBytes(Application.dataPath + "/test.pdf");string q = Convert.ToBase64String(data);var response = FileTrans.Upload(q, "test", "pdf", "en", "zh-CHS");flownumber = response.flownumber;}if (GUILayout.Button("查询", GUILayout.Width(200f), GUILayout.Height(50f))){FileTrans.Query(flownumber);}if (GUILayout.Button("下载", GUILayout.Width(200f), GUILayout.Height(50f))){FileTrans.Download(flownumber, "word");}}
}

上传结果：

查询结果：

下载结果：

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Unity 接入有道智云AI - 文档翻译

一、接口介绍

二、申请App ID、密钥

1.登录有道智云AI开放平台，进入控制台

2.在应用总览中创建应用，填写相关内容

3.获取应用ID、密钥

三、在Unity中应用

1. 定义请求数据结构

2.定义响应数据结构

3.封装调用函数

4.测试

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