新增图片下载接口

WebApiNET6-master/APIs/Controllers/BaseInfoController.cs

@@ -40,6 +40,62 @@ namespace APIs.Controllers
         }
 
         /// <summary>
+        /// 人员照片下载
+        /// </summary>
+        /// <returns></returns>
+        [HttpPost]
+        public async Task<ApiResult> DownloadPicture([FromForm] DownloadPicReq req)
+        {
+            try
+            {
+                var pic = await _policeService.QueryOne(p => !string.IsNullOrEmpty(p.picUrl) && p.picUrl.Equals(req.picUrl));
+
+                //不存在
+                if (pic == null)
+                {
+                    var error = new ApiResult
+                    {
+                        code = ResultCode.OPERATE_FAILED.Code,
+                        msg = "照片不存在",
+                    };
+                    return error;
+                }
+
+                //读取图片
+                byte[] imageBytes;
+
+                string url = pic.picUrl;
+                using (FileStream fileStream = new FileStream(url, FileMode.Open))
+                {
+                    using (BinaryReader reader = new BinaryReader(fileStream))
+                    {
+                        imageBytes = reader.ReadBytes((int)fileStream.Length);
+                    }
+                }
+
+                var res = new DownloadPicRes() { picture = imageBytes };
+
+                var src = new ApiResult
+                {
+                    code = ResultCode.OPERATE_SUCCESS.Code,
+                    msg = ResultCode.OPERATE_SUCCESS.Msg,
+                    data = res
+                };
+
+                return src;
+            }
+            catch (Exception ex)
+            {
+                var error = new ApiResult
+                {
+                    code = ResultCode.OPERATE_FAILED.Code,
+                    msg = ex.Message,
+                };
+                return error;
+            }
+        }
+
+        /// <summary>
         /// 人员照片上传
         /// </summary>
         /// <returns></returns>
@@ -82,13 +138,16 @@ namespace APIs.Controllers
                     //更新警员照片地址
                     police.picUrl = filePath;
                     police.updateTime = DateTime.Now;
+                    police.picUpdateTime = police.updateTime;
                     bool rs = await _policeService.Update(police);
 
+                    var reply = new UploadPictureReply() { picUrl = filePath, updateTime = (DateTime)police.picUpdateTime }; 
+
                     var src = rs ? new ApiResult
                     {
                         code = ResultCode.OPERATE_SUCCESS.Code,
                         msg = ResultCode.OPERATE_SUCCESS.Msg,
-                        data = filePath
+                        data = reply
                     } : new ApiResult
                     {
                         code = ResultCode.OPERATE_FAILED.Code,
@@ -105,11 +164,16 @@ namespace APIs.Controllers
                 {
                     code = ResultCode.OPERATE_FAILED.Code,
                     msg = ex.Message,
-
                 };
                 return error;
             }
         }
+        class UploadPictureReply 
+        {
+            public string picUrl {  get; set; }
+            public DateTime updateTime { get; set; }
+        }
+
 
         /// <summary>
         /// 新增基础信息

WebApiNET6-master/APIs/Req/PictureReq.cs

@@ -5,4 +5,14 @@
         public string policeId { get; set; }
         public IFormFile picture { get; set; }
     }
+
+    public class DownloadPicReq 
+    {
+        public string picUrl { get; set; }
+    }
+    public class DownloadPicRes
+    {
+        public byte[] picture { get; set; }
+    }
+
 }

WebApiNET6-master/Models/Table/Police.cs

@@ -29,5 +29,7 @@ namespace Models.Table
         public String? sex { get; set; }
         public String? faceInfo { get; set; }
         public String? fingerInfo { get; set; }
+        [SugarColumn(ColumnName = "pic_update_time")]
+        public DateTime? picUpdateTime { get; set; }
     }
 }