自己写了一个表单校验

//using System;
//using System.Collections.Generic;
//using System.Linq;
//using System.Text;
//using System.Threading.Tasks;

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using Kingdee.BOS.Core.BusinessFlow.PlugIn;
using Kingdee.BOS.Core.Metadata.FieldElement;
using Kingdee.BOS.Core.Metadata;
using Kingdee.K3.SCM.Contracts;
using Kingdee.BOS.Util;
using Kingdee.BOS.Orm.DataEntity;
using Kingdee.K3.BD.Contracts;
using Kingdee.K3.Core.BD;
using Kingdee.BOS;
using Kingdee.BOS.Core.Const;
using Kingdee.K3.Core.SCM;
using Kingdee.BOS.BusinessEntity;
using Kingdee.BOS.Core.BusinessFlow.PlugIn.Args;
using Kingdee.BOS.Workflow.Contracts;
using Kingdee.BOS.Workflow.ServiceHelper;
using Kingdee.BOS.Core.DynamicForm.PlugIn.Args;
using Kin