WPF使用Prism登录

思路：在主窗体出来之前，弹出登录框，如果验证成功关掉登录框。
LoginView 样式

    <prism:Dialog.WindowStyle>
        <Style TargetType="Window"> <Setter Property="Width" Value="1024" /> <Setter Property="Height" Value="512" /> <Setter Property="WindowStyle" Value="None"/> <Setter Property="ResizeMode" Value="NoResize"/> <Setter Property="prism:Dialog.WindowStartupLocation" Value="CenterScreen" /> </Style>
    </prism:Dialog.WindowStyle>

LoginViewModel代码
继承IDialogAware
登录成功使用
RequestClose?.Invoke(new DialogResult(ButtonResult.OK));

在APP代码中添加

在主窗渲染之前弹框

        protected override void OnInitialized()
        {
    
            var dialog = Container.Resolve<IDialogService>();
            dialog.ShowDialog("LoginView", callback =>
            {
    
                if (callback.Result != ButtonResult.OK)
                {
    
                    Environment.Exit(0);
                    return;
                }
				//给主窗体传值
                base.OnInitialized();
            });
        }

2.切换用户

        public static void LoginOut(IContainerProvider containerProvider)
        {
    
            Current.MainWindow.Hide();

            var dialog = containerProvider.Resolve<IDialogService>();

            dialog.ShowDialog("LoginView", callback =>
            {
    
                if (callback.Result != ButtonResult.OK)
                {
    
                    Environment.Exit(0);
                    return;
                }
				//给主窗体传值
                Current.MainWindow.Show();
            });
        }