refactor(app): 重构应用状态管理和配置常量定义

- 将全局变量 isRun 移动到 App 结构体内部作为实例字段
- 在 config.go 中定义配置键名为常量，提高代码可维护性
- 使用结构体实例字段替代全局变量管理上传状态
- 修改 StartLooking 函数中的上下文取消处理逻辑
- 移除上传程序退出日志的重复记录

internal/config/config.go

@@ -18,6 +18,15 @@ type Config struct {
 
 var APPConfig Config
 
+const (
+	Url             = "url"
+	Token           = "token"
+	ThreadCount     = "thread-count"
+	HandleFileCount = "handle-file-count"
+	IsRunOnStart    = "is-run-on-start"
+	CheckDir        = "check-dir"
+)
+
 func InitConfig() {
 	// 设置默认配置
 	defaultConfig := Config{
@@ -28,12 +37,12 @@ func InitConfig() {
 		IsRunOnStart:    false,
 		CheckDir:        "",
 	}
-	viper.SetDefault("url", defaultConfig.Url)
-	viper.SetDefault("token", defaultConfig.Token)
-	viper.SetDefault("thread-count", defaultConfig.ThreadCount)
-	viper.SetDefault("handle-file-count", defaultConfig.HandleFileCount)
-	viper.SetDefault("is-run-on-start", defaultConfig.IsRunOnStart)
-	viper.SetDefault("looking-path", defaultConfig.CheckDir)
+	viper.SetDefault(Url, defaultConfig.Url)
+	viper.SetDefault(Token, defaultConfig.Token)
+	viper.SetDefault(ThreadCount, defaultConfig.ThreadCount)
+	viper.SetDefault(HandleFileCount, defaultConfig.HandleFileCount)
+	viper.SetDefault(IsRunOnStart, defaultConfig.IsRunOnStart)
+	viper.SetDefault(CheckDir, defaultConfig.CheckDir)
 
 	//设置配置文件名和路径 ./config.toml
 	viper.AddConfigPath(".")

internal/uploader/uploader.go

@@ -33,17 +33,23 @@ type Progress struct {
 }
 
 func StartLooking(ctx context.Context, logChan *chan string, lookingPath string) {
+	//推送上传进度
 	go func() {
 		for {
-			time.Sleep(500 * time.Millisecond)
+			select {
+			case <-ctx.Done():
+				return
+			default:
+				time.Sleep(500 * time.Millisecond)
 
-			var pg []Progress
-			progress.Range(func(key, value any) bool {
-				p := value.(Progress)
-				pg = append(pg, p)
-				return true
-			})
-			runtime.EventsEmit(ctx, "progress", pg)
+				var pg []Progress
+				progress.Range(func(key, value any) bool {
+					p := value.(Progress)
+					pg = append(pg, p)
+					return true
+				})
+				runtime.EventsEmit(ctx, "progress", pg)
+			}
 		}
 	}()
 
@@ -52,7 +58,6 @@ func StartLooking(ctx context.Context, logChan *chan string, lookingPath string)
 		select {
 		case <-time.After(time.Minute):
 		case <-ctx.Done():
-			AddLog(logChan, "上传程序已退出")
 			return
 		}
 	}