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添加项目文件。
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‎Pixeval.Extensions.Translators.Baidu/Client/BaiduTranslatorClient.cs‎

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//https://github.com/sangyuxiaowu/Sang.Baidu.TranslateAPI/blob/main/Sang.Baidu.TranslateAPI/BaiduTranslator.cs
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using System.Net.Http.Json;
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using System.Text.Json;
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using System.Text.Json.Serialization;
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using System.Text;
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using System.Security.Cryptography;
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namespace Pixeval.Extensions.Translators.Baidu.Client;
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#nullable disable
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/// <summary>
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/// 文档：https://fanyi-api.baidu.com/doc/21
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/// </summary>
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public class BaiduTranslatorClient
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{
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/// <summary>
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/// APPID
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/// </summary>
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private string _appId;
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/// <summary>
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/// 密钥
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/// </summary>
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private string _secretKey;
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/// <summary>
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/// 翻译服务终结点
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/// </summary>
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private readonly string _endpoint;
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/// <summary>
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/// HttpClient
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/// </summary>
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private readonly HttpClient _httpClient;
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/// <summary>
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/// 构造函数
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/// </summary>
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/// <param name="appId">APPID</param>
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/// <param name="secretKey">密钥</param>
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/// <param name="endpoint">翻译服务终结点</param>
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public BaiduTranslatorClient(string appId, string secretKey, string endpoint = "https://fanyi-api.baidu.com/api/trans/vip/translate")
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{
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_appId = appId;
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_secretKey = secretKey;
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_endpoint = endpoint;
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_httpClient = new HttpClient { Timeout = TimeSpan.FromSeconds(10) }; // 设置超时时间
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}
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/// <summary>
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/// 构造函数
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/// </summary>
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/// <param name="appId">APPID</param>
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/// <param name="secretKey">密钥</param>
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/// <param name="httpClient">HttpClient</param>
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/// <param name="endpoint">翻译服务终结点</param>
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public BaiduTranslatorClient(string appId, string secretKey, HttpClient httpClient, string endpoint = "https://fanyi-api.baidu.com/api/trans/vip/translate")
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{
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_appId = appId;
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_secretKey = secretKey;
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_endpoint = endpoint;
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_httpClient = httpClient;
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}
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/// <summary>
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/// 重新设置appId 和 secretKey
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/// </summary>
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/// <param name="appId">APPID</param>
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/// <param name="secretKey">密钥</param>
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public void SetAppIdAndSecretKey(string appId, string secretKey)
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{
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_appId = appId;
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_secretKey = secretKey;
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}
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/// <summary>
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/// 翻译
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/// </summary>
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/// <param name="text">请求翻译文本，长度控制在 6000 bytes以内（汉字约为输入参数 2000 个）</param>
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/// <param name="toLanguage">翻译目标语言</param>
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/// <returns></returns>
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public async Task<BaiduTranslateResult> Translate(string text, string toLanguage)
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{
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return await Translate(text, toLanguage, "auto");
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}
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/// <summary>
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/// 翻译
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/// </summary>
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/// <param name="text">请求翻译文本，长度控制在 6000 bytes以内（汉字约为输入参数 2000 个）</param>
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/// <param name="toLanguage">翻译目标语言</param>
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/// <param name="fromLanguage">翻译源语言，可为auto，自动检测</param>
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/// <param name="salt">设置后将使用传入的随机数</param>
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/// <param name="sign">设置后将使用传入的签名结果</param>
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/// <returns></returns>
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public async Task<BaiduTranslateResult> Translate(string text, string toLanguage, string fromLanguage = "auto", string salt = "", string sign = "")
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{
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// 使用时间戳
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if (string.IsNullOrWhiteSpace(salt))
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{
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salt = DateTimeOffset.Now.ToUnixTimeSeconds().ToString();
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}
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// 使用MD5加密
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if (string.IsNullOrWhiteSpace(sign))
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{
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sign = (_appId + text + salt + _secretKey).MD5();
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}
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// 拼接URL
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string url = $"{_endpoint}?q={text}&from={fromLanguage}&to={toLanguage}&appid={_appId}&salt={salt}&sign={sign}";
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// 发送请求
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try
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{
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#if NET6_0_OR_GREATER
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//return await _httpClient.GetFromJsonAsync<BaiduTranslateResult>(url);
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var response = await _httpClient.GetAsync(url);
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var options = new JsonSerializerOptions
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{
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TypeInfoResolver = SourceGenerationContext.Default,
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};
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if (response.IsSuccessStatusCode)
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{
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var str = await response.Content.ReadAsStringAsync();
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var result = JsonSerializer.Deserialize<BaiduTranslateResult>(
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str, SourceGenerationContext.Default.BaiduTranslateResult);
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return result;
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}
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return new BaiduTranslateResult { Error_Code = response.StatusCode.ToString(), Error_Msg = response.ReasonPhrase };
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#else
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var response = await _httpClient.GetAsync(url);
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if (response.IsSuccessStatusCode)
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{
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var result = await response.Content.ReadAsStringAsync();
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var json = JsonDocument.Parse(result);
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var root = json.RootElement;
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// 是否存在错误码
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if (root.TryGetProperty("error_code", out var errorCode))
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{
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return new BaiduTranslateResult { Error_Code = errorCode.GetString(), Error_Msg = root.GetProperty("error_msg").GetString() };
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}
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var from = root.GetProperty("from").GetString();
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var to = root.GetProperty("to").GetString();
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var transResult = new List<TransResult>();
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for (int i = 0; i < root.GetProperty("trans_result").GetArrayLength(); i++)
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{
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var item = root.GetProperty("trans_result")[i];
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transResult.Add(new TransResult
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{
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Src = item.GetProperty("src").GetString(),
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Dst = item.GetProperty("dst").GetString()
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});
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}
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return new BaiduTranslateResult
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{
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From = from,
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To = to,
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Trans_Result = transResult
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};
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}
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return new BaiduTranslateResult { Error_Code = response.StatusCode.ToString(), Error_Msg = response.ReasonPhrase };
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#endif
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}
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catch (Exception ex)
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{
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return new BaiduTranslateResult { Error_Code = "Exception", Error_Msg = ex.Message };
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}
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}
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/// <summary>
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/// 释放资源
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/// </summary>
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public void Dispose()
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{
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_httpClient?.Dispose();
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}
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}
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[JsonSerializable(typeof(BaiduTranslateResult))]
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[JsonSerializable(typeof(List<TransResult>))]
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[JsonSerializable(typeof(TransResult))]
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[JsonSerializable(typeof(bool))]
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[JsonSerializable(typeof(string))]
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internal partial class SourceGenerationContext : JsonSerializerContext
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{
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}
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public class BaiduTranslateResult
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{
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/// <summary>
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/// 是否成功
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/// </summary>
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public bool Success => Error_Code == null;
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/// <summary>
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/// 翻译源语言
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/// </summary>
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[JsonPropertyName("from")]
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public string From { get; set; }
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/// <summary>
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/// 翻译目标语言
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/// </summary>
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[JsonPropertyName("to")]
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public string To { get; set; }
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/// <summary>
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/// 翻译结果
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/// </summary>
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[JsonPropertyName("trans_result")]
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public List<TransResult> Trans_Result { get; set; }
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/// <summary>
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/// 错误码
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/// </summary>
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[JsonPropertyName("error_code")]
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public string Error_Code { get; set; }
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/// <summary>
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/// 错误信息
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/// </summary>
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[JsonPropertyName("error_msg")]
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public string Error_Msg { get; set; }
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/// <summary>
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/// 获取翻译结果
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/// </summary>
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/// <returns></returns>
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public string GetResult()
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{
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return Trans_Result != null && Trans_Result.Count > 0 ? Trans_Result[0].Dst : null;
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}
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}
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/// <summary>
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/// 翻译结果
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/// </summary>
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public class TransResult
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{
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/// <summary>
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/// 原文
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/// </summary>
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[JsonPropertyName("src")]
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public string Src { get; set; }
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/// <summary>
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/// 译文
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/// </summary>
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[JsonPropertyName("dst")]
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public string Dst { get; set; }
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}
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public static class Cryptography
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{
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/// <summary>
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/// MD5 计算
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/// </summary>
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/// <param name="str">待计算字符</param>
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/// <param name="isUpper">是否是大写</param>
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/// <param name="isBig">是否是32位，否则为16位</param>
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/// <returns>计算结果</returns>
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public static string MD5(this string str, bool isUpper = false, bool isBig = true)
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{
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using (var md5 = System.Security.Cryptography.MD5.Create())
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{
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var result = md5.ComputeHash(Encoding.UTF8.GetBytes(str));
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var strResult = isBig ? BitConverter.ToString(result) : BitConverter.ToString(result, 4, 8);
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return isUpper ? strResult.Replace("-", "") : strResult.Replace("-", "").ToLower();
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}
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}
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/// <summary>
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/// SHA1 计算
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/// </summary>
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/// <param name="str">待计算字符</param>
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/// <param name="isUpper">是否是大写</param>
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/// <returns>计算结果</returns>
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public static string SHA1(this string str, bool isUpper = false)
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{
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using (var sha1 = System.Security.Cryptography.SHA1.Create())
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{
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var result = sha1.ComputeHash(Encoding.UTF8.GetBytes(str));
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var strResult = BitConverter.ToString(result);
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return isUpper ? strResult.Replace("-", "") : strResult.Replace("-", "").ToLower();
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}
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}
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}

‎Pixeval.Extensions.Translators.Baidu/ExtensionsHost.cs‎

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using System.Globalization;
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using System.Runtime.InteropServices;
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using System.Runtime.InteropServices.Marshalling;
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using Pixeval.Extensions.Common;
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using Pixeval.Extensions.SDK;
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using Pixeval.Extensions.Translators.Baidu.Settings;
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using Pixeval.Extensions.Translators.Baidu.Translators;
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namespace Pixeval.Extensions.Translators.Baidu;
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[GeneratedComClass]
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public partial class ExtensionsHost:ExtensionsHostBase
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{
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public static string TempDirectory { get; private set; } = "";
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public static string ExtensionDirectory { get; private set; } = "";
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public override string ExtensionName => "百度翻译";
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public override string AuthorName => "Betta_Fish";
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public override string ExtensionLink => "https://github.com/zxbmmmmmmmmm";
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public override string HelpLink => "https://github.com/zxbmmmmmmmmm";
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public override string Description => "百度翻译插件，需要手动输入API Key";
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public override byte[]? Icon
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{
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get
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{
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var stream = typeof(ExtensionsHost).Assembly.GetManifestResourceStream("logo");
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if (stream is null)
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return null;
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var array = new byte[stream.Length];
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_ = stream.Read(array);
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return array;
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}
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}
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public override string Version => "1.0.0";
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public static ExtensionsHost Current { get; } = new();
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[UnmanagedCallersOnly(EntryPoint = nameof(DllGetExtensionsHost))]
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private static unsafe int DllGetExtensionsHost(void** ppv)
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{
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return DllGetExtensionsHost(ppv, Current);
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}
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public override IExtension[] Extensions { get; }
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public BaiduTranslator Translator { get; set; }
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public override void Initialize(string cultureName, string tempDirectory, string extensionDirectory)
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{
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TempDirectory = tempDirectory;
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ExtensionDirectory = extensionDirectory;
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CultureInfo.CurrentCulture = CultureInfo.CurrentUICulture = new(cultureName);
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Translator.TargetLanguage = cultureName.Split('-').First();
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}
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public ExtensionsHost()
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{
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Translator = new BaiduTranslator();
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Extensions = [Translator,new AppIdSettingsExtension(),new ApiKeySettingsExtension()];
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}
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}

‎Pixeval.Extensions.Translators.Baidu/Pixeval.Extensions.Translators.Baidu.csproj‎

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<Project Sdk="Microsoft.NET.Sdk">
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<PropertyGroup>
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<TargetFramework>net9.0</TargetFramework>
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<ImplicitUsings>enable</ImplicitUsings>
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<Nullable>enable</Nullable>
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<AllowUnsafeBlocks>True</AllowUnsafeBlocks>
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<PublishAot>true</PublishAot>
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<RuntimeIdentifier>win-x64</RuntimeIdentifier>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|AnyCPU'">
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<IsAotCompatible>True</IsAotCompatible>
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</PropertyGroup>
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<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|AnyCPU'">
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<IsAotCompatible>True</IsAotCompatible>
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</PropertyGroup>
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<ItemGroup>
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<PackageReference Include="Pixeval.Extensions.Common" Version="4.3.4.1" />
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<PackageReference Include="Pixeval.Extensions.SDK" Version="4.3.4.1" />
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</ItemGroup>
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</Project>

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