利用第三方服务转pdf

IRaCIS.Core.Application/Helper/FileConvertHelper.cs

@@ -1,11 +1,18 @@
-using System.Diagnostics;
+using Microsoft.Extensions.Configuration;
+using RestSharp;
+using SharpCompress.Common;
+using System.Diagnostics;
 
 namespace IRaCIS.Core.Application.Helper;
 
 public class FileConvertHelper
 {
 
-
+    /// <summary>
+    /// 镜像里面打入libreoffice 的方案
+    /// </summary>
+    /// <param name="inputWordFilePath"></param>
+    /// <param name="outputPdfDir"></param>
     static public void ConvertWordToPdf(string inputWordFilePath, string outputPdfDir)
     {
         // 设置 libreoffice 命令行参数
@@ -30,4 +37,88 @@ public class FileConvertHelper
     }
 
 
+    /// <summary>
+    /// 返回文件字节数组
+    /// File.WriteAllBytes(outputFilePath, response.RawBytes);  直接将字节数组写入到本地某个路径
+    /// var stream = new MemoryStream(response.RawBytes);  直接变为内存流，给其他程序用也可以
+    /// </summary>
+    /// <returns></returns>
+    static public async Task<byte[]> ThirdStirling_PDFWordToPdfAsync(string filePath)
+    {
+
+        var apiUrl = GetApiUrl();
+
+        var client = new RestClient(apiUrl);
+
+        var request = new RestRequest(apiUrl, Method.Post);
+
+        request.AddHeader("accept", "*/*");
+
+        // 直接上传文件，无需生成字节数组
+        request.AddFile("fileInput", filePath);
+
+        return await GetPDFByteArrayAsync(client, request);
+    }
+
+    static public async Task<byte[]> ThirdStirling_PDFWordToPdfAsync(byte[] fileBytes, string fileName)
+    {
+
+        var apiUrl = GetApiUrl();
+        var client = new RestClient(apiUrl);
+
+        var request = new RestRequest(apiUrl, Method.Post);
+
+        request.AddHeader("accept", "*/*");
+
+        // 添加文件流到请求
+        request.AddFile("fileInput", fileBytes, fileName);
+
+        return await GetPDFByteArrayAsync(client, request);
+    }
+
+    static private async Task<byte[]> GetPDFByteArrayAsync(RestClient client, RestRequest request)
+    {
+        try
+        {
+
+
+
+            // 发送请求并获取响应
+            var response = await client.ExecuteAsync(request);
+
+            // 检查请求是否成功
+            if (response.IsSuccessful)
+            {
+                return response.RawBytes ?? new byte[] { };
+            }
+            else
+            {
+                Console.WriteLine($"上传失败，错误代码: {response.StatusCode}, 错误消息: {response.ErrorMessage}");
+
+                return Array.Empty<byte>();
+            }
+        }
+        catch (Exception ex)
+        {
+            Console.WriteLine("发生异常: " + ex.Message);
+
+            return Array.Empty<byte>();
+        }
+    }
+
+    static private string GetApiUrl()
+    {
+
+        var enviromentName = Environment.GetEnvironmentVariables()["ASPNETCORE_ENVIRONMENT"]?.ToString();
+
+        var configuration = new ConfigurationBuilder().AddJsonFile($"appsettings.{enviromentName}.json", false, false).Build();
+
+        // 手动绑定配置
+        var appSettings = new ServiceVerifyConfigOption();
+        configuration.GetSection("BasicSystemConfig").Bind(appSettings);
+
+        return appSettings.ThirdPdfUrl;
+    }
+
+
 }