二开案例.表单插件.向导式动态表单

【应用场景】 使用表单插件控制向导式动态表单。

【案例演示】新建向导式动态表单，使用表单插件控制该向导式动态表单，例如步骤切换前事件，步骤切换后事件，跳转到指定步骤等。

【实现步骤】

<1>新建向导式动态表单，创建步骤参考：

【二开案例.元模型.向导式动态表单】https://vip.kingdee.com/article/157438440450016768

<2>编写表单插件，代码如下。

using Kingdee.BOS.Core.DynamicForm.PlugIn.Args;
using Kingdee.BOS.Core.DynamicForm.PlugIn.Args.WizardForm;
using Kingdee.BOS.Core.DynamicForm.PlugIn.WizardForm;
using Kingdee.BOS.Util;
using System;
using System.ComponentModel;
namespace Jac.XkDemo.BOS.Business.PlugIn
{
    /// <summary>
    /// 【表单插件】向导式动态表单
    /// https://vip.kingdee.com/article/157454074366437632
    /// </summary>
    [Description("【表单插件】向导式动态表单"), HotUpdate]
    public class WizardStepChangedWizardFormPlugIn : AbstractWizardFormPlugIn
    {
        /// <summary>
        /// 操作步骤切换前事件
        /// </summary>
        /// <param name="e"></param>
        public override void WizardStepChanging(WizardStepChangingEventArgs e)
        {
            base.WizardStepChanging(e);
            if (e.UpDownEnum == 1)
            {
                // 下一步
                if (e.OldWizardStep.Key.Equals("FWizard0", StringComparison.OrdinalIgnoreCase))
                {
                    var phone = this.Model.GetValue("F_Jac_Text") as string;
                    if (string.IsNullOrWhiteSpace(phone))
                    {
                        this.View.ShowWarnningMessage("请输入手机号码！");
                        e.Cancel = true;
                        return;
                    }
                    if (phone == "666")
                    {
                        // 直接跳转到第三步
                        e.JumpWizardStepKey = "FWizard2";
                    }
                    return;
                }
                if (e.OldWizardStep.Key.Equals("FWizard1", StringComparison.OrdinalIgnoreCase))
                {
                    var smsCode = this.Model.GetValue("F_Jac_Text1") as string;
                    if (string.IsNullOrWhiteSpace(smsCode))
                    {
                        this.View.ShowWarnningMessage("请输入验证码！");
                        e.Cancel = true;
                    }
                    return;
                }
            }
            else if (e.UpDownEnum == 2)
            {
                // 上一步
                // TODO
            }
        }
        /// <summary>
        /// 操作步骤切换后事件
        /// </summary>
        /// <param nam