插件调用源数据方式生成单据和修改单据代码

/// <summary>
/// 采购入库单单据生成
/// </summary>
/// <param name="ctx">上下文</param>
/// <param name="model">采购入库单实体</param>
/// <returns></returns>
public IOperationResultModel CreateSTK_InStock_Single(Context ctx, STK_InStockModel model)
{
    IOperationResult result = null;
    FormMetadata Metadata = MetaDataServiceHelper.GetFormMetaData(ctx, "STK_InStock");//采购入库单单据的唯一标识
    DynamicObject Head = Metadata.BusinessInfo.GetDynamicObjectType().CreateInstance() as DynamicObject;
    String billId = this.ChangeBillTypeNameToId(ctx, model.BillTypeName);
    #region 单据头-基本信息
        FormMetadata OrderFormMetadata1 = MetaDataServiceHelper.GetFormMetaData(ctx, "ORG_Organizations");// 组织机构
    DynamicObject dynamicObject1 = BusinessDataServiceHelper.LoadSingle(ctx,model.StockOrgId,                                          OrderFormMetadata1.BusinessInfo.GetDynamicObjectType());
    Head["BillTypeID_Id"] = billId;
    Head["DATE"] = model.Date;
    Head["BusinessType"] = model.BusinessType;
    Head["StockOrgId_Id"] = model.StockOrgId;
    Head["StockOrgId"] = dynamicObject1;
    Head["DemandOrgId_Id"] = model.DemandOrgId;
    Head["PurchaseOrgId_Id"] = model.PurchaseOrgId;
    Head["PurchaseDeptId_Id"] = model.PurchaseDeptId;
    Head["SupplierId_Id"] = model.SupplierId;
    Head["APSTATUS"] = model.APSTATUS;
    Head["TransferBizType"] = model.TransferBizType;
    Head["CorrespondOrgId_Id"] = model.CorrespondOrgId;
    Head["SplitBillType"] = model.SplitBillType;
    Head["SupplyId_Id"] = model.SupplyId;
    Head["SettleId_Id"] = model.SettleId;
    Head["ChargeId_Id"] = model.ChargeId;
    Head["CreateDate"] = DateTime.Now;//创建日期
    #endregion
        #region 单据头-财务信息
        DynamicObjectCollection dc1 = Head["InStockFin"] as DynamicObjectCollection;
    DynamicObject obj1 = dc1.DynamicCollectionItemPropertyType.CreateInstance() as DynamicObject;
    obj1["SettleOrgId_Id"] = model.SettleOrgId;
    obj1["PayOrgId_Id"] = model.PayOrgId;
    obj1["SettleCurrId_Id"] = model.SettleCurrId;
    obj1["OwnerTypeIdHead"] = model.OwnerTypeIdHead;
    obj1["OwnerIdHead_Id"] = model.OwnerIdHead;
    obj1["PriceTimePoint"] = model.PriceTimePoint;
    obj1["LocalCurrId_Id"] = model.LocalCurrId;
    obj1["ExchangeTypeId_Id"] = model.ExchangeTypeId;
    obj1["ExchangeRate"] = model.ExchangeRate;
    obj1["IsIncludedTax"] = model.IsIncludedTax;
    obj1["ISPRICEEXCLUDETAX"] = model.ISPRICEEXCLUDETAX;
    dc1.Add(obj1);
    #endregion
        #region 单据体
        List<STK_InStockEModel> entrys = new List<STK_InStockEModel>();
    DynamicObjectCollection dc3 = Head["InStockEntry"] as DynamicObjectCollection;
    foreach (var entry in entrys)
    {
        DynamicObject obj3 = dc3.DynamicCollectionItemPropertyType.CreateInstance() as DynamicObject;
        obj3["MaterialId_Id"] = entry.MaterialId;
        obj3["UnitID_Id"] = entry.UnitID;
        obj3["MustQty"] = entry.MustQty;
        obj3["RealQty"] = entry.RealQty;
        obj3["StockId_Id"] = entry.StockId;
        obj3["StockLocId_Id"] = entry.StockLocId;
        obj3["StockStatusId_Id"] = entry.StockStatusId;
        obj3["BaseUnitID_Id"] = entry.BaseUnitID;
        obj3["BaseUnitQty"] = entry.BaseUnitQty;
        obj3["StockFlag"] = entry.StockFlag;
        obj3["OWNERTYPEID"] = entry.OWNERTYPEID;
        obj3["OWNERID_Id"] = entry.OWNERID;
        obj3["KeeperTypeID"] = entry.KeeperTypeID;
        obj3["KeeperID_Id"] = entry.KeeperID;
        obj3["PriceUnitID_Id"] = entry.PriceUnitID;
        obj3["PriceUnitQty"] = entry.PriceUnitQty;
        obj3["TaxRate"] = entry.TaxRate;
        obj3["PriceCoefficient"] = entry.PriceCoefficient;
        obj3["JOINSTATUS"] = entry.JOINSTATUS;
        obj3["InvoicedStatus"] = entry.InvoicedStatus;
        obj3["PriceBaseQty"] = entry.PriceBaseQty;
        obj3["RemainInStockQty"] = entry.RemainInStockQty;
        obj3["RemainInStockBaseQty"] = entry.RemainInStockBaseQty;
        obj3["RemainInStockUnitId_Id"] = entry.RemainInStockUnitId;
        obj3["APNotJoinQty"] = entry.APNotJoinQty;
        dc3.Add(obj3);
    }
    #endregion
        OperateOption operateOption = OperateOption.Create();
    result = BusinessDataServiceHelper.Save(ctx, Metadata.BusinessInfo, Head, null, "");
    return this.MyIOperationResult(result);
}

FormMetadata Metadata = MetaDataServiceHelper.GetFormMetaData(this.Context, "k9861e8979fcb4da9895bc28fbf65ac49");//通过单据唯一标识获取单据模板
DynamicObject Head = BusinessDataServiceHelper.LoadSingle(this.Context, fid, Metadata.BusinessInfo.GetDynamicObjectType());
DynamicObjectCollection dc = Head["FEntity"] as DynamicObjectCollection;//单据体
int seq = dc.Select(r => Convert.ToInt32(r["seq"])).Max() + 1;//单据体序号
DynamicObject obj = dc.DynamicCollectionItemPropertyType.CreateInstance() as DynamicObject;//新增一条
obj["Seq"] = seq;
obj["F_T_Date"] = rec.date;
obj["F_DE_Temperature"] = rec.temp;
dc.Add(obj);
OperateOption operateOption = OperateOption.Create();
IOperationResult result = BusinessDataServiceHelper.Save(_ctx, Metadata.BusinessInfo, Head, null, "");//保存单据
if (result.IsSuccess)
{
    ret.isSuccess = true;
    ret.msg = "发送成功！";
}
else
{
    ret.isSuccess = false;
    ret.msg = "发送失败！";
}