renlian

Wpf_AiSportsMicrospace/Common/AppSettings.cs

@@ -7,6 +7,6 @@ namespace Common
     public static class AppSettings
     {
         public static string SchoolCode = "202501060001";
-        public static string BackendUrl = "http://localhost:9992/api/StudentFace";
+        public static string BackendUrl = "http://localhost:9991/api/StudentFace";
     }
 }

Wpf_AiSportsMicrospace/Common/HttpManager.cs

@@ -5,7 +5,7 @@ namespace Wpf_AiSportsMicrospace.Common
 {
     public class HttpManager
     {
-        public static async Task<string> HttpPostAsync(string url, string postData = null, string contentType = "application/json", int timeOut = 30, Dictionary<string, string> headers = null)
+        public static string HttpPost(string url, string postData = null, string contentType = "application/json", int timeOut = 30, Dictionary<string, string> headers = null)
         {
             using (var client = new HttpClient())
             {
@@ -27,9 +27,10 @@ namespace Wpf_AiSportsMicrospace.Common
 
                 try
                 {
-                    var response = await client.PostAsync(url, content);
+                    // 注意：要调用 PostAsync 而不是 po()
+                    var response = client.PostAsync(url, content).Result; // 同步等待
                     response.EnsureSuccessStatusCode();
-                    return await response.Content.ReadAsStringAsync();
+                    return response.Content.ReadAsStringAsync().Result;
                 }
                 catch (Exception ex)
                 {
@@ -37,6 +38,7 @@ namespace Wpf_AiSportsMicrospace.Common
                 }
             }
         }
+
         public static async Task<string> HttpGetAsync(string url, Dictionary<string, string> headers = null)
         {
             using (var client = new HttpClient())

Wpf_AiSportsMicrospace/Common/Utils.cs

@@ -214,10 +214,10 @@ namespace Wpf_AiSportsMicrospace.Common
             return _cache.GetValueOrDefault(relativePath);
         }
 
-        public static async Task<List<StudentInfoDto>> FacialRecognition(byte[] buffer, double[] xNorms)
+        public static List<StudentInfoDto> FacialRecognition(byte[] buffer, double[] xNorms)
         {
-            if (xNorms == null || xNorms.Length < 2)
+            if (xNorms == null || xNorms.Length == 0)
-                throw new ArgumentException("xNorms 至少需要两个元素");
+                throw new ArgumentException("xNorms 不能为空");
 
             using var image = SharpImage.Image.Load<Rgba32>(buffer);
 
@@ -225,43 +225,66 @@ namespace Wpf_AiSportsMicrospace.Common
             int imgHeight = image.Height;
             int rectHeight = imgHeight / 2;
 
-            // 计算分割边界
+            // 1. 排序中心点
             var sortedX = xNorms.OrderBy(x => x).ToList();
+            int faceCount = sortedX.Count;
+
+            // 2. 计算分割边界
             var splitXs = new List<double>();
             for (int i = 0; i < sortedX.Count - 1; i++)
                 splitXs.Add((sortedX[i] + sortedX[i + 1]) / 2.0);
+
+            // 3. 起止边界
             splitXs.Insert(0, 0.0);
             splitXs.Add(1.0);
 
+            // 4. 输出目录
+            string imgDir = Path.Combine(AppContext.BaseDirectory, "img");
+            Directory.CreateDirectory(imgDir);
+
             var studentInfos = new List<StudentInfoDto>();
 
-            for (int i = 0; i < 6 && i < splitXs.Count - 1; i++)
+            // 5. 循环裁剪 + 同步识别
+            for (int i = 0; i < faceCount; i++)
             {
-                int x1 = (int)(splitXs[i] * imgWidth);
+                double xStart = splitXs[i];
-                int x2 = (int)(splitXs[i + 1] * imgWidth);
+                double xEnd = splitXs[i + 1];
-                int w = x2 - x1;
+
+                int x1 = (int)(xStart * imgWidth);
+                int x2 = (int)(xEnd * imgWidth);
+                int w = Math.Max(1, x2 - x1);
 
                 var cropRect = new Rectangle(x1, 0, w, rectHeight);
 
                 using var cropped = image.Clone(ctx => ctx.Crop(cropRect));
 
-                // 转为 Base64
                 using var ms = new MemoryStream();
                 cropped.Save(ms, new JpegEncoder());
+                ms.Position = 0;
+
+                string imgPath = Path.Combine(imgDir, $"crop_{i + 1}_{DateTime.Now:HHmmssfff}.jpg");
+                File.WriteAllBytes(imgPath, ms.ToArray());
+
                 string base64 = Convert.ToBase64String(ms.ToArray());
 
-                // 调用人脸识别方法（假设返回姓名+头像Base64）
+                Console.WriteLine($"[{i + 1}] 范围: {xStart:0.00}-{xEnd:0.00}, 宽: {w}");
-                StudentInfoDto studentInfo = await FaceRecognitionAsync(base64);
+
-                studentInfos.Add(studentInfo);
+                // === 同步调用人脸识别接口 ===
+                var result = FaceRecognitionAsync(base64);
+
+                if (result != null)
+                    studentInfos.Add(result);
             }
 
             return studentInfos;
         }
 
+
+
         /// <summary>
         /// 调用人脸识别接口，返回学生信息
         /// </summary>
-        public static async Task<StudentInfoDto> FaceRecognitionAsync(string base64Image)
+        public static StudentInfoDto FaceRecognitionAsync(string base64Image)
         {
             var param = new
             {
@@ -272,23 +295,26 @@ namespace Wpf_AiSportsMicrospace.Common
             string json = JsonSerializer.Serialize(param);
 
             // 调用 HttpPostAsync
-            string response = await HttpManager.HttpPostAsync(AppSettings.BackendUrl, json);
+            string response = HttpManager.HttpPost(AppSettings.BackendUrl, json);
 
             if (string.IsNullOrEmpty(response))
                 return null;
 
             try
             {
-                // 反序列化为接口返回对象
+                // 假设 response 是 JSON 字符串
-                var faceInfo = JsonSerializer.Deserialize<StudentInfoDto>(response, new JsonSerializerOptions
+                var apiResponse = JsonSerializer.Deserialize<ApiResponse<StudentInfoDto>>(response, new JsonSerializerOptions
                 {
                     PropertyNameCaseInsensitive = true
                 });
 
-                if (faceInfo == null)
+                // 取 data
+                var studentInfo = apiResponse.Data;
+
+                if (studentInfo == null)
                     return null;
 
-                return faceInfo;
+                return studentInfo;
             }
             catch
             {

Wpf_AiSportsMicrospace/Dto/ApiResponse.cs

@@ -0,0 +1,12 @@
+
+
+namespace Dto
+{
+    public class ApiResponse<T>
+    {
+        public bool Status { get; set; }
+        public int Code { get; set; }
+        public string Message { get; set; }
+        public T Data { get; set; }
+    }
+}

Wpf_AiSportsMicrospace/Dto/StudentInfoDto.cs

@@ -9,13 +9,14 @@ namespace Dto
     /// </summary>
     public class StudentInfoDto
     {
-        public string Name { get; set; }
+        public string StudentName { get; set; }
         public string Photo { get; set; }
-        public string StudentNo { get; set; }
+        public string StudentCode { get; set; }
-        public string SchoolCode { get; set; }
+        public int GradeId { get; set; }
+        public int ClassId { get; set; }
         public string GradeName { get; set; }
         public string ClassName { get; set; }
         public int Age { get; set; }
-        public string Sex { get; set; }
+        public int Sex { get; set; }
     }
 }

Wpf_AiSportsMicrospace/Views/JumpRope/GroupJumpRope.xaml.cs

@@ -70,12 +70,25 @@ namespace Wpf_AiSportsMicrospace.Views
         }
         private async void UserControl_Loaded(object sender, RoutedEventArgs e)
         {
-            // 绑定人脸识别事件
+            // 使用局部变量保存事件处理方法，以便解绑
-            _mainWin.FacialRecognitionEvent += async (sender, buffer) =>
+            EventHandler<byte[]> handler = null;
+
+            handler = async (sender, buffer) =>
             {
-                var studentList = await Utils.FacialRecognition(buffer, new double[] { 0.50, 0.78 });
+                var studentList = Utils.FacialRecognition(buffer, new double[] { 0.21, 0.36, 0.50, 0.64, 0.78, 0.92 });
+
+                if (studentList != null && studentList.Count > 0)
+                {
+                    // 解绑事件
+                    _mainWin.FacialRecognitionEvent -= handler;
+                }
+
+                // 这里可以继续处理 studentList
             };
 
+            // 绑定事件
+            _mainWin.FacialRecognitionEvent += handler;
+
             DrawCirclesWithText();
 
             // 播放音乐