fix 288, 增加清空控制台

main.go

@@ -1687,6 +1687,18 @@ func main() {
 				},
 			},
 		},
+		{
+			Name:        "clear",
+			Aliases:     []string{"cls"},
+			Usage:       "清空控制台",
+			UsageText:   app.Name + " clear",
+			Description: "清空控制台屏幕",
+			Category:    "其他",
+			Action: func(c *cli.Context) error {
+				pcsliner.ClearScreen()
+				return nil
+			},
+		},
 		{
 			Name:    "quit",
 			Aliases: []string{"exit"},

pcsliner/clear.go

@@ -0,0 +1,14 @@
+package pcsliner
+
+import (
+	"github.com/peterh/liner"
+	_ "unsafe" // allow go:linkname
+)
+
+//go:linkname eraseScreen github.com/iikira/BaiduPCS-Go/vendor/github.com/peterh/liner.(*State).eraseScreen
+func eraseScreen(s *liner.State)
+
+// ClearScreen 清空屏幕
+func ClearScreen() {
+	eraseScreen(nil)
+}