fix 任务图片连接处理

Src/Dlhis.Middle/Controllers/GainfosController.cs

@@ -0,0 +1,52 @@
+using Dlhis.Middle.Filters;
+using Microsoft.AspNetCore.Authorization;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Dlhis.Middle.Controllers;
+
+/// <summary>
+/// sap档案表
+/// </summary>
+[Route("api/basic/[controller]")]
+[ApiController]
+public class GainfosController : ControllerBase
+{
+    private readonly IHttpClientFactory _httpClientFactory;
+    private readonly IConfiguration _configuration;
+
+    public GainfosController(IHttpClientFactory httpClientFactory, IConfiguration configuration)
+    {
+        _httpClientFactory = httpClientFactory;
+        _configuration = configuration;
+    }
+
+    /// <summary>
+    /// 通过token获取人脸照片,失效或者找不到返回HttpStatus404状态码
+    /// </summary>
+    /// <param name="token"></param>
+    /// <returns></returns>
+    [NotFound]
+    [AllowAnonymous]
+    [HttpGet("face")]
+    public async Task<IActionResult> GetFaceAsync(string token)
+    {
+        var hostName = _configuration.GetSection("HostName").Value;
+        var httpClient = _httpClientFactory.CreateClient();
+
+        try
+        {
+            var faceBytes = await httpClient.GetByteArrayAsync($"https://{hostName}/api/basic/gainfos/face?token={token}");
+
+            if (faceBytes.Length == 0)
+            {
+                return new NotFoundResult();
+            }
+
+            return new FileContentResult(faceBytes, "image/png");
+        }
+        catch (Exception)
+        {
+            return new NotFoundResult();
+        }
+    }
+}