使用visual studio新建工程，并添加相关引用

新建类TestPrinter.cs，继承基类“AbstractBillPlugIn”,并重载OnPrepareNotePrintData方法。

using Kingdee.BOS.App.Data;
using Kingdee.BOS.Core.Bill.PlugIn;
using Kingdee.BOS.Orm.DataEntity;
using Kingdee.BOS.Orm.Metadata.DataEntity;
using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace TestPrintPlugIn
{
    public class TestPrinter : AbstractBillPlugIn
    { 
        public override void OnPrepareNotePrintData(Kingdee.BOS.Core.DynamicForm.PlugIn.Args.PreparePrintDataEventArgs e)
        {
            if (e.DataSourceId.Equals("FBillHead", StringComparison.OrdinalIgnoreCase))
            {
                DynamicObject billObj = this.Model.DataObject;
                // 读取单据内码                
                long billId = Convert.ToInt64(billObj[0]);
                // 查询vh表获取单据对应凭证号
                string sql = string.Format("SELECT VH.FID,VH.FVOUCHERGROUPNO  FROM T_AR_RECEIVABLE_VH VH WHERE FID={0}", billId);
                DataSet dataset = DBUtils.ExecuteDataSet(this.Context, sql);
                Dictionary<string, string> myDictionary = new Dictionary<string, string>();
                foreach (DataTable dtt in dataset.Tables)
                {
                    for (int i = 0; i < dtt.Rows.Count; i++)
                    {
                        try
                        {
                            myDictionary.Add(dtt.Rows[i]["FID"].ToString(), dtt.Rows[i]["FVOUCHERGROUPNO"].ToString());
                        }
                        catch (Exception ex)
                        {
                            //log                        
                        }
                    }
                }
                //注册临时字段                
                DynamicObjectType dot = e.DataObjects[0].DynamicObjectType;
                dot.RegisterSimpleProperty("FVOUCHERGROUPNO", typeof(object), attributes: new SimplePropertyAttribute() { Alias = "FVOUCHERGROUPNO" });
                DynamicObject obj = new DynamicObject(dot);
                foreach (var p in e.DataObjects[0].DynamicObjectType.Properties)
                {
                    obj[p] = e.DataObjects[0][p];
                }
                //动态字段赋值                
                obj["FVOUCHERGROUPNO"] = myDictionary[billId.ToString()];
                e.DataObjects[0] = obj;
            }
            base.OnPrepareNotePrintData(e);
        }
    }
}

新建类TestPrinterList.cs，继承基类“ AbstractListPlugIn”,并重载OnPrepareNotePrintData方法。

using System.Data;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace TestPrintPlugIn
{
    public class TestPrinterList : AbstractListPlugIn
    {
        public override void OnPrepareNotePrintData(Kingdee.BOS.Core.DynamicForm.PlugIn.Args.PreparePrintDataEventArgs e)
        {
            base.OnPrepareNotePrintData(e);
            if (e.DataSourceId.Equals("FBillHead", StringComparison.OrdinalIgnoreCase))
            {
                if (e.DataObjects != null)
                {
                    List<long> lstId = new List<long>();
                    foreach (var data in e.DataObjects)
                    {
                        lstId.Add(Convert.ToInt32(data["FID"]));
                    }
                    //查询vh表获取单据对应凭证号
                    string sql = string.Format("SELECT VH.FID,VH.FVOUCHERGROUPNO  FROM T_AR_RECEIVABLE_VH VH WHERE FID IN ({0})", string.Join(",",lstId));
                    DataSet dataset = DBUtils.ExecuteDataSet(this.Context, sql);
                    Dictionary<string, string> myDictionary = new Dictionary<string, string>();
                    foreach (DataTable dtt in dataset.Tables)
                    {
                        for (int i = 0; i < dtt.Rows.Count; i++)
                        {
                            try
                            {
                                myDictionary.Add(dtt.Rows[i]["FID"].ToString(), dtt.Rows[i]["FVOUCHERGROUPNO"].ToString());
                            }
                            catch (Exception ex)
                            {
                                //log                        
                            }
                        }
                    }
                    //注册临时字段     
                    DynamicObjectType dot = e.DataObjects[0].DynamicObjectType;
                    dot.RegisterSimpleProperty("FVOUCHERGROUPNO", typeof(object), attributes: new SimplePropertyAttribute() { Alias = "FVOUCHERGROUPNO" });
                    for (int i = 0; i < e.DataObjects.Length; i++)
                    {
                        DynamicObject obj = new DynamicObject(dot);
                        foreach (var p in dot.Properties)
                        {
                            obj[p] = e.DataObjects[i][p];
                        }
                        //动态字段赋值                
                        obj["FVOUCHERGROUPNO"] = myDictionary[Convert.ToString(e.DataObjects[i]["FID"])];
                        e.DataObjects[i] = obj;
                    }
                }
            }
            
        }
    }
}

插件开发完毕后，编译工程生成成*.dll文件。

将步骤四里面编译生成的dll文件放到服务器Cloud站点的website/bin目录下面，并重启IIS。

在BOS IDE里面扩展应收单，给应收单注册套打插件。

套打设计器里面绑定动态字段“FVOUCHERGROUPNO”

登录 Cloud，打开应收单，打印预览