refactor(uploader): 优化上传器代码结构和上下文取消处理

- 在进度更新循环中添加上下文取消检查点
- 在文件复制操作前添加上下文取消检查点
- 重构代码缩进和括号位置以提高可读性
- 优化 goroutine 中的上下文取消处理逻辑
- 统一代码块的括号格式和缩进风格

internal/uploader/uploader.go

@@ -57,21 +57,23 @@ func StartUpload(ctx context.Context, logChan *chan string) {
 			case <-ctx.Done():
 				return
 			default:
-				var pg []Progress
-				progress.Range(func(_, value any) bool {
-					pg = append(pg, value.(Progress))
-					return true
-				})
-				wailsruntime.EventsEmit(ctx, "progress", pg)
-
-				time.Sleep(250 * time.Millisecond)
 			}
+
+			var pg []Progress
+			progress.Range(func(_, value any) bool {
+				pg = append(pg, value.(Progress))
+				return true
+			})
+			wailsruntime.EventsEmit(ctx, "progress", pg)
+
+			time.Sleep(250 * time.Millisecond)
 		}
 	}()
 
 	//开启上传程序
 	for {
 		uploadData(ctx, logChan)
+
 		select {
 		case <-ctx.Done():
 			return
@@ -120,6 +122,12 @@ func uploadData(ctx context.Context, logChan *chan string) {
 		if config.APPConfig.ClearFilesNoPrompt {
 			//不用提示直接复制文件到tmp
 			for _, p := range f {
+				select {
+				case <-ctx.Done():
+					return
+				default:
+				}
+
 				err := copyFile(p, "./tmp/"+filepath.Base(p))
 				if err != nil {
 					AddLog(logChan, "复制文件失败："+err.Error())
@@ -143,6 +151,12 @@ func uploadData(ctx context.Context, logChan *chan string) {
 
 			if <-confirm {
 				for _, p := range f {
+					select {
+					case <-ctx.Done():
+						return
+					default:
+					}
+
 					err := copyFile(p, "./tmp/"+filepath.Base(p))
 					if err != nil {
 						AddLog(logChan, "复制文件失败："+err.Error())
@@ -173,31 +187,32 @@ func uploadData(ctx context.Context, logChan *chan string) {
 		case <-ctx.Done():
 			return
 		default:
-			file, err := os.Open(filePath)
-			if err != nil {
-				AddLog(logChan, "打开文件失败："+err.Error())
-			}
-
-			// 使用 bufio.Scanner 逐行读取
-			scanner := bufio.NewScanner(file)
-			lineCount := 0
-			for scanner.Scan() {
-				lineCount++
-			}
-			err = file.Close()
-
-			if lineCount == 0 {
-				continue
-			}
-			filesInfo[filepath.Base(filePath)] = fileInfo{
-				FilePath:  filePath,
-				FileLines: lineCount,
-			}
-
-			isAllEmpty = false
-
-			AddLog(logChan, fmt.Sprintf("%s 文件行数：%v", filepath.Base(filePath), lineCount))
 		}
+
+		file, err := os.Open(filePath)
+		if err != nil {
+			AddLog(logChan, "打开文件失败："+err.Error())
+		}
+
+		// 使用 bufio.Scanner 逐行读取
+		scanner := bufio.NewScanner(file)
+		lineCount := 0
+		for scanner.Scan() {
+			lineCount++
+		}
+		err = file.Close()
+
+		if lineCount == 0 {
+			continue
+		}
+		filesInfo[filepath.Base(filePath)] = fileInfo{
+			FilePath:  filePath,
+			FileLines: lineCount,
+		}
+
+		isAllEmpty = false
+
+		AddLog(logChan, fmt.Sprintf("%s 文件行数：%v", filepath.Base(filePath), lineCount))
 	}
 
 	if isAllEmpty {
@@ -228,41 +243,45 @@ func uploadData(ctx context.Context, logChan *chan string) {
 		case <-egctx.Done():
 			return
 		default:
-			g.Go(func() error {
-				select {
-				case <-egctx.Done():
-					return egctx.Err()
-				default:
-					AddLog(logChan, "正在上传文件："+fileName)
-
-					processFile(egctx, logChan, info.FilePath, info.FileLines)
-
-					select {
-					case <-egctx.Done():
-						return egctx.Err()
-					default:
-						//上传完成，删除缓存文件
-						err := os.Remove(info.FilePath)
-						if err != nil {
-							AddLog(logChan, "删除缓存文件失败："+err.Error())
-						}
-						return nil
-					}
-				}
-			})
 		}
+
+		g.Go(func() error {
+			select {
+			case <-egctx.Done():
+				return egctx.Err()
+			default:
+			}
+
+			AddLog(logChan, "正在上传文件："+fileName)
+
+			processFile(egctx, logChan, info.FilePath, info.FileLines)
+
+			select {
+			case <-egctx.Done():
+				return egctx.Err()
+			default:
+			}
+
+			//上传完成，删除缓存文件
+			err := os.Remove(info.FilePath)
+			if err != nil {
+				AddLog(logChan, "删除缓存文件失败："+err.Error())
+			}
+			return nil
+		})
 	}
 
 	select {
 	case <-ctx.Done():
 		return
 	default:
-		// 等待所有任务完成
-		g.Wait()
-
-		AddLog(logChan, "所有任务执行完成！")
-		AddLog(logChan, fmt.Sprintf("上传完成，耗时：%s", time.Since(start).String()))
 	}
+
+	// 等待所有任务完成
+	g.Wait()
+
+	AddLog(logChan, "所有任务执行完成！")
+	AddLog(logChan, fmt.Sprintf("上传完成，耗时：%s", time.Since(start).String()))
 }
 
 // copyFile 快速拷贝文件 src -> dst
@@ -336,10 +355,11 @@ func processFile(ctx context.Context, logChan *chan string, filePath string, fil
 			close(lines)
 			return
 		default:
-			go func() {
-				processLines(ctx, logChan, &lines, i, filePath, &countLine)
-			}()
 		}
+
+		go func() {
+			processLines(ctx, logChan, &lines, i, filePath, &countLine)
+		}()
 	}
 
 	// 读取文件并发送到通道
@@ -356,8 +376,9 @@ func processFile(ctx context.Context, logChan *chan string, filePath string, fil
 			case <-ctx.Done():
 				return
 			default:
-				lines <- scanner.Text()
 			}
+
+			lines <- scanner.Text()
 		}
 	}()
 
@@ -368,15 +389,16 @@ func processFile(ctx context.Context, logChan *chan string, filePath string, fil
 			close(lines) //关闭processLines中的上传线程
 			return
 		default:
-			progress.Store(filepath.Base(filePath),
-				Progress{
-					FileName:   filepath.Base(filePath),
-					Total:      fileLines,
-					Uploaded:   int(countLine),
-					Percentage: int(float64(countLine) / float64(fileLines) * 100),
-				},
-			)
 		}
+
+		progress.Store(filepath.Base(filePath),
+			Progress{
+				FileName:   filepath.Base(filePath),
+				Total:      fileLines,
+				Uploaded:   int(countLine),
+				Percentage: int(float64(countLine) / float64(fileLines) * 100),
+			},
+		)
 	}
 	//上传完成，进度设为100
 	progress.Store(filepath.Base(filePath),
@@ -404,16 +426,17 @@ func processLines(ctx context.Context, logChan *chan string, lines *chan string,
 		case <-ctx.Done():
 			return
 		default:
-			// 跳过空行
-			if strings.TrimSpace(line) == "" {
-				continue
-			}
-			// 上传数据
-			if err := api.UploadDataToServer(ctx, line); err != nil {
-				AddLog(logChan, fmt.Sprintf("Worker %d (文件 %s): 上传失败: %v", workerID, filepath.Base(filePath), err))
-			}
-			atomic.AddInt32(countLine, 1)
 		}
+
+		// 跳过空行
+		if strings.TrimSpace(line) == "" {
+			continue
+		}
+		// 上传数据
+		if err := api.UploadDataToServer(ctx, line); err != nil {
+			AddLog(logChan, fmt.Sprintf("Worker %d (文件 %s): 上传失败: %v", workerID, filepath.Base(filePath), err))
+		}
+		atomic.AddInt32(countLine, 1)
 	}
 }