转图片优化

Mall.Education/AliOSS/TransferUploadObject.cs

@@ -48,6 +48,31 @@ namespace COSSnippet
             }
         }
 
+        /// <summary>
+        /// 文件是否存在
+        /// </summary>
+        /// <param name="AliFileName"></param>
+        public bool SelectFile(string AliFileName) {
+            // 创建OssClient实例。
+            var client = new OssClient(endpoint, accessKeyId, accessKeySecret);
+            try
+            {
+                // 判断文件是否存在。
+                var exist = client.DoesObjectExist(bucketName, AliFileName);
+                return exist;
+            }
+            catch (Aliyun.OSS.Common.OssException ex)
+            {
+                Console.WriteLine("Failed with error code: {0}; Error info: {1}. \nRequestID:{2}\tHostID:{3}",
+                    ex.ErrorCode, ex.Message, ex.RequestId, ex.HostId);
+            }
+            catch (Exception ex)
+            {
+                Console.WriteLine("Failed with error info: {0}", ex.Message);
+            }
+            return false;
+        }
+
         /// <summary>
         /// 删除文件
         /// </summary>

Mall.Education/Program.cs

@@ -19,7 +19,7 @@ namespace Mall.Education
             ServiceBase[] ServicesToRun;
             ServicesToRun = new ServiceBase[]
             {
-                new RebornTimerServer(),
+                new EducationToImageServer(),
             };
             ServiceBase.Run(ServicesToRun);
             //Console.WriteLine("进来了");

Mall.Education/ProjectInstaller.Designer.cs

@@ -39,8 +39,8 @@
             // 
             // serviceInstaller1
             // 
-            this.serviceInstaller1.Description = "RebornTimerService定时器服务";
-            this.serviceInstaller1.ServiceName = "RebornTimerServer";
+            this.serviceInstaller1.Description = "EducationToImageServer服务";
+            this.serviceInstaller1.ServiceName = "EducationToImageServer";
             this.serviceInstaller1.StartType = System.ServiceProcess.ServiceStartMode.Automatic;
             // 
             // ProjectInstaller

Mall.Education/RabbitMQ/RabbiMQManager.cs

@@ -10,6 +10,7 @@ using COSSnippet;
 using Mall.Education.Helper;
 using System.Collections.Generic;
 using FluentScheduler;
+using System.Linq;
 
 namespace Mall.Education.RabbitMQ
 {
@@ -128,6 +129,7 @@ namespace Mall.Education.RabbitMQ
 
             if (PageNum > 0)
             {
+                //List<string> DelFile = new List<string>();
                 List<GoodsImage> goodsImages = new List<GoodsImage>();
                 //开始上传图片至服务器
                 if (GoodsModel.PathType == 1)
@@ -136,7 +138,10 @@ namespace Mall.Education.RabbitMQ
                     for (var i = 1; i <= PageNum; i++)
                     {
                         string newName = FileName + "_" + i.ToString("000") + "." + imageFormat.ToString();
-                        m.TransferUploadFile(tempDir + "/" + newName, FileDirNot + newName);
+                        if (!m.SelectFile(FileDirNot + newName))
+                        {
+                            m.TransferUploadFile(tempDir + "/" + newName, FileDirNot + newName);
+                        }
 
                         //上传之后 写入商品课程图片数据
                         goodsImages.Add(new GoodsImage
@@ -146,7 +151,8 @@ namespace Mall.Education.RabbitMQ
                         });
 
                         //上传之后 删除本地临时文件
-                        File.Delete(tempDir + "/" + newName);
+                        //File.Delete(tempDir + "/" + newName);
+                        //DelFile.Add(tempDir + "/" + newName);
                     }
                 }
                 else if (GoodsModel.PathType == 2) {
@@ -154,7 +160,10 @@ namespace Mall.Education.RabbitMQ
                     for (var i = 1; i <= PageNum; i++)
                     {
                         string newName = FileName + "_" + i.ToString("000") + "." + imageFormat.ToString();
-                        upload.TransferUploadFile(tempDir + "/" + newName, FileDirNot + newName);
+                        if (!upload.SelectFile(FileDirNot + newName))
+                        {
+                            upload.TransferUploadFile(tempDir + "/" + newName, FileDirNot + newName);
+                        }
 
                         //上传之后 写入商品课程图片数据
                         goodsImages.Add(new GoodsImage
@@ -164,7 +173,8 @@ namespace Mall.Education.RabbitMQ
                         });
 
                         //上传之后 删除本地临时文件
-                        File.Delete(tempDir + "/" + newName);
+                        //File.Delete(tempDir + "/" + newName);
+                        //DelFile.Add(tempDir + "/" + newName);
                     }
                 }
 
@@ -173,6 +183,15 @@ namespace Mall.Education.RabbitMQ
                 if (flag == false) {
                     LogHelper.Write("更新课程图片列表失败：CourseId:" + GoodsModel.CourseId);
                 }
+
+                //if (DelFile.Any()) {
+                //    System.Threading.Tasks.Task.Run(() => {
+                //        System.Threading.Thread.Sleep(100000);
+                //        foreach (var item in DelFile) {
+                //            File.Delete(item);
+                //        }
+                //    });
+                //}
             }
         }
     }
@@ -198,7 +217,7 @@ namespace Mall.Education.RabbitMQ
                 {
                     LogHelper.Write(ex, "DelTemporaryFile");
                 }
-            }).ToRunEvery(1).Days().At(1, 10);
+            }).ToRunNow().AndEvery(1).Hours();
         }
 
 
@@ -219,7 +238,7 @@ namespace Mall.Education.RabbitMQ
                 }
                 foreach (FileInfo fi in dir.GetFiles())
                 {
-                    if (fi.CreationTime < DateTime.Now.AddDays(-1))
+                    if (fi.CreationTime < DateTime.Now.AddHours(-1))
                         fi.Delete();
                 }
             }

Mall.Education/RebornTimerServer.Designer.cs

 namespace Mall.Education
 {
-    partial class RebornTimerServer
+    partial class EducationToImageServer
     {
         /// <summary> 
         /// 必需的设计器变量。
@@ -29,7 +29,7 @@
         private void InitializeComponent()
         {
             components = new System.ComponentModel.Container();
-            this.ServiceName = "RebornTimerServer";
+            this.ServiceName = "EducationToImageServer";
         }
 
         #endregion

Mall.Education/RebornTimerServer.cs

@@ -12,9 +12,9 @@ using System.Threading.Tasks;
 
 namespace Mall.Education
 {
-    partial class RebornTimerServer : ServiceBase
+    partial class EducationToImageServer : ServiceBase
     {
-        public RebornTimerServer()
+        public EducationToImageServer()
         {
             InitializeComponent();
         }

Mall.Education/TXCOS/TransferUploadObject.cs

@@ -118,6 +118,87 @@ namespace COSSnippet
             //.cssg-snippet-body-end
         }
 
+        /// <summary>
+        /// 查询文件
+        /// </summary>
+        /// <param name="cosFileName"></param>
+        public bool SelectFile(string cosFileName) {
+            try
+            {
+                string bucket = bucketName; //存储桶，格式：BucketName-APPID
+                string key = cosFileName; //对象键
+                HeadObjectRequest request = new HeadObjectRequest(bucket, key);
+                //执行请求
+                HeadObjectResult result = cosXml.HeadObject(request);
+                //请求成功
+                Console.WriteLine(result.GetResultInfo());
+                LogHelper.Write(result.GetResultInfo());
+                if (result.GetResultInfo().Contains("200 OK"))
+                {
+                    return true;
+                }
+                else {
+                    return false;
+                }
+            }
+            catch (COSXML.CosException.CosClientException clientEx)
+            {
+                //请求失败
+                Console.WriteLine("CosClientException: " + clientEx);
+            }
+            catch (COSXML.CosException.CosServerException serverEx)
+            {
+                //请求失败
+                Console.WriteLine("CosServerException: " + serverEx.GetInfo());
+            }
+            return false;
+        }
+
+        /// 高级接口下载对象
+        public void TransferDownloadObject(string filePath,string fileName, string cosPathName)
+        {
+            //.cssg-snippet-body-start:[transfer-download-object]
+            // 初始化 TransferConfig
+            TransferConfig transferConfig = new TransferConfig();
+
+            // 初始化 TransferManager
+            TransferManager transferManager = new TransferManager(cosXml, transferConfig);
+
+            String bucket = bucketName; //存储桶，格式：BucketName-APPID
+            String cosPath = cosPathName; //对象在存储桶中的位置标识符，即称对象键
+            string localDir = filePath;//本地文件夹
+            string localFileName = fileName; //指定本地保存的文件名
+
+            // 下载对象
+            COSXMLDownloadTask downloadTask = new COSXMLDownloadTask(bucket, cosPath,
+              localDir, localFileName);
+
+            downloadTask.progressCallback = delegate (long completed, long total)
+            {
+                Console.WriteLine(String.Format("progress = {0:##.##}%", completed * 100.0 / total));
+            };
+            downloadTask.successCallback = delegate (CosResult cosResult)
+            {
+                COSXML.Transfer.COSXMLDownloadTask.DownloadTaskResult result = cosResult
+                  as COSXML.Transfer.COSXMLDownloadTask.DownloadTaskResult;
+                Console.WriteLine(result.GetResultInfo());
+                string eTag = result.eTag;
+            };
+            downloadTask.failCallback = delegate (CosClientException clientEx, CosServerException serverEx)
+            {
+                if (clientEx != null)
+                {
+                    Console.WriteLine("CosClientException: " + clientEx);
+                }
+                if (serverEx != null)
+                {
+                    Console.WriteLine("CosServerException: " + serverEx.GetInfo());
+                }
+            };
+            transferManager.Download(downloadTask);
+            //.cssg-snippet-body-end
+        }
+
         /// 高级接口上传二进制数据
         public void TransferUploadBytes()
         {