// DynamicObject 取值/赋值/分录遍历示例
// 适用插件：Form/Operation/Validator/Report
// 依赖 API：DynamicObject, DynamicObjectCollection
// 相关检查：属性深路径访问推荐判空，金额推荐使用 decimal 避免 float/double
using System;
using Kingdee.BOS.Orm.DataEntity;

public class DynamicObjectSample
{
    public void DemonstrateDynamicObject(DynamicObject bill)
    {
        // 表头取值
        string billNo = bill["billno"] as string;
        long id = Convert.ToInt64(bill["id"] ?? 0);
        decimal amount = Convert.ToDecimal(bill["amount"] ?? 0);

        // 基础资料字段取值（返回 DynamicObject，需判空）
        DynamicObject supplier = bill["supplier"] as DynamicObject;
        if (supplier != null)
        {
            string supplierName = supplier["Name"] as string;
            long supplierId = Convert.ToInt64(supplier["Id"]);
        }

        // 分录遍历
        string entryKey = "POOrderEntry";
        DynamicObjectCollection entryRows = bill[entryKey] as DynamicObjectCollection;
        if (entryRows != null)
        {
            foreach (DynamicObject row in entryRows)
            {
                long entryId = Convert.ToInt64(row["id"] ?? 0);
                decimal qty = Convert.ToDecimal(row["qty"] ?? 0);
                decimal price = Convert.ToDecimal(row["price"] ?? 0);

                // 分录基础资料取值
                DynamicObject material = row["material"] as DynamicObject;
                if (material != null)
                {
                    string materialNumber = material["Number"] as string;
                }
            }
        }

        // 赋值
        bill["amount"] = 1000.50m;
        bill["description"] = "测试单据";

        // 分录新增（通过 Model 在表单插件中操作）
        // this.Model.CreateNewEntryRow(entryKey);
    }
}