仓库平面图编辑无刷新效果——后台代码(由于代码长度问题所以分开发)

最新推荐文章于 2023-03-31 18:45:00 发布

originality2010

最新推荐文章于 2023-03-31 18:45:00 发布

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分类专栏： DoNet 文章标签： string delete object class

本文链接：https://blog.youkuaiyun.com/originality2010/article/details/2201478

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本文介绍了一个仓库管理系统的实现细节，包括如何绑定仓库信息到界面、处理客户端回调事件来增删改查仓库位置信息，并通过示例代码展示了具体实现过程。

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namespace erpwuliu.Depot
{
    public partial class DepotAreaEdit : System.Web.UI.Page, ICallbackEventHandler
    {
        private string retValue = "";
        protected void Page_Load(object sender, EventArgs e)
        {
            string strRef = Page.ClientScript.GetCallbackEventReference(this, "arg", "init", "context");
            string callbackScript;
            callbackScript = "function CallServer(arg, context)" + " { " + strRef + " } ;";
            Page.ClientScript.RegisterClientScriptBlock(this.GetType(), "CallServer", callbackScript, true);

            if (!IsPostBack)
            {
                //绑定仓库信息
                BindTree();
            }
        }

        /// <summary>
        /// 绑定仓位信息
        /// </summary>
        private void BindTree()
        {
            this.tvDepot.Nodes.Clear();

            Depot_BLL bll = new Depot_BLL();
            DataTable dt = bll.GetList("").Tables[0];

            TreeNode rootNode = new TreeNode();
            rootNode.Value = "-1";
            rootNode.Text = "所有仓库";
            rootNode.NavigateUrl = "#";
            this.tvDepot.Nodes.Add(rootNode);

            //绑定顶级节点
            foreach (DataRow row in dt.Select(Depot_MODEL.DidFName + "=" + Depot_MODEL.DpidFName, Depot_MODEL.DidFName + " ASC"))
            {
                TreeNode node = new TreeNode();
                node.Value = Convert.ToString(row[Depot_MODEL.DidFName]);
                node.Text = "<a onClick="choiceDepot('" + node.Value + "','" + Convert.ToString(row[Depot_MODEL.DnameFName]) + "');" href="#" style="font-size: 8pt; font-family: Verdana; color: Black">" + Convert.ToString(row[Depot_MODEL.DnameFName]) + "</a>";
                rootNode.ChildNodes.Add(node);
                GetSubNode(ref dt, node);
            }
        }

        /// <summary>
        /// 加载子节点
        /// </summary>
        /// <param name="dtData">数据集</param>
        /// <param name="pNode">父节点</param>
        private void GetSubNode(ref DataTable dtData, TreeNode pNode)
        {
            foreach (DataRow row in dtData.Select(Depot_MODEL.DpidFName + "='" + pNode.Value + "' and " + Depot_MODEL.DidFName + "<>" + Depot_MODEL.DpidFName, Depot_MODEL.DidFName + " ASC"))
            {
                TreeNode node = new TreeNode();
                node.Value = Convert.ToString(row[Depot_MODEL.DidFName]);
                if (!Convert.ToBoolean(row[Depot_MODEL.IsLeafFName]))
                {
                    node.Text = "<a onClick="choiceDepot('" + node.Value + "','" + Convert.ToString(row[Depot_MODEL.DnameFName]) + "');" href="#" style="font-size: 8pt; font-family: Verdana; color: Black">" + Convert.ToString(row[Depot_MODEL.DnameFName]) + "</a>";
                }
                else
                {
                    continue;
                }
                node.NavigateUrl = "#";
                pNode.ChildNodes.Add(node);
                GetSubNode(ref dtData, node);
            }
        }

        #region ICallbackEventHandler 成员

        public string GetCallbackResult()
        {
            return this.retValue;
        }

        public void RaiseCallbackEvent(string eventArgument)
        {
            string[] args = eventArgument.Split('|');
            Depot_BLL bll = new Depot_BLL();
            Hashtable hsData = new Hashtable();

            if (args[6] == "add")
            {
                if (!String.IsNullOrEmpty(args[1]))
                {
                    bll.Delete(args[1]);
                }

                //保存仓位信息
                hsData[Depot_MODEL.DidFName] = bll.GetNextId();
                hsData[Depot_MODEL.DpidFName] = args[0];
                hsData[Depot_MODEL.DnameFName] = args[2];
                hsData[Depot_MODEL.DtypeFName] = args[3];
                hsData[Depot_MODEL.DlonFName] = args[4];
                hsData[Depot_MODEL.DlatFName] = args[5];
                hsData[Depot_MODEL.IsLeafFName] = true;
                if (bll.Add(hsData))
                {
                    this.retValue = Convert.ToString(hsData[Depot_MODEL.DidFName]) + "|add";
                }
                else
                {
                    this.retValue = "|add";
                }
            }
            else if (args[6] == "get")
            {
                DataTable dtTemp = bll.GetList(Depot_MODEL.DidFName + "='" + args[1] + "'").Tables[0];
                if (dtTemp.Rows.Count > 0)
                {
                    this.retValue = Convert.ToString(dtTemp.Rows[0][Depot_MODEL.DnameFName]);
                    string[] strTemp = Convert.ToString(dtTemp.Rows[0][Depot_MODEL.DtypeFName]).Split(',');
                    retValue += "|" + strTemp[0];//长
                    retValue += "|" + strTemp[1];//宽
                    retValue += "|" + strTemp[2];//高
                    retValue += "|" + strTemp[3];//类型
                    retValue += "|get";
                }
            }
            else if (args[6] == "delete")
            {
                DepotAreaInfo_BLL dBll = new DepotAreaInfo_BLL();
                if (dBll.GetList(DepotAreaInfo_MODEL.DidFName + "='" + args[1] + "'").Tables[0].Rows.Count > 0)
                {
                    this.retValue = "error|delete";
                }
                else
                {
                    bll.Delete(args[1]);
                    this.retValue = "ok|delete";
                }
            }
            else if (args[6] == "getList")
            {
                DataTable dtTemp = bll.GetList(Depot_MODEL.DpidFName + "='" + args[0] + "' and " + Depot_MODEL.IsLeafFName + "=1 and " + Depot_MODEL.DidFName + "<>" + args[0]).Tables[0];
                foreach (DataRow row in dtTemp.Rows)
                {
                    this.retValue += Convert.ToString(row[Depot_MODEL.DidFName]);
                    this.retValue += "|" + Convert.ToString(row[Depot_MODEL.DnameFName]);
                    this.retValue += "|" + Convert.ToString(row[Depot_MODEL.DtypeFName]);
                    this.retValue += "|" + Convert.ToString(row[Depot_MODEL.DlonFName]);
                    this.retValue += "|" + Convert.ToString(row[Depot_MODEL.DlatFName]);
                    this.retValue += "@";
                }
                this.retValue += "|getList";
            }
            else
            {
                if (bll.UpdatePostion(args[1], Convert.ToInt32(args[4]), Convert.ToInt32(args[5])))
                {
                    this.retValue = "ok|update";
                }
            }
        }

        #endregion
    }
}