/// <summary>
/// 加载远程打印机（不需收银时）
/// </summary>
/// <returns></returns>
public async Task LoadRemotePrinterAsync()
{
var printers = await Request.GetPrintersAsync(Business.Id);
if (printers != null)
{
printers.ForEach(a =>
{
var printer = new Printer {
Device = a
};
if (printer.Device.State == 1)
{
printer.Open();
Printers.Add(printer);
}
});
}
}