feat: virtual driver

drivers/virtual/meta.go

@@ -0,0 +1,29 @@
+package virtual
+
+import (
+	"github.com/alist-org/alist/v3/internal/driver"
+	"github.com/alist-org/alist/v3/internal/operations"
+)
+
+type Addition struct {
+	driver.RootFolderPath
+	NumFile     int   `json:"num_file" type:"number" default:"30" required:"true"`
+	NumFolder   int   `json:"num_folder" type:"number" default:"30" required:"true"`
+	MaxFileSize int64 `json:"max_file_size" type:"number" default:"1073741824" required:"true"`
+	MinFileSize int64 `json:"min_file_size"  type:"number" default:"1048576" required:"true"`
+}
+
+var config = driver.Config{
+	Name:      "Virtual",
+	OnlyLocal: true,
+	LocalSort: true,
+	//NoCache:   true,
+}
+
+func New() driver.Driver {
+	return &Virtual{}
+}
+
+func init() {
+	operations.RegisterDriver(config, New)
+}