Exemple #1
0
        // 获得批次号表
        // parameters:
        //      strPubType  出版物类型。为 图书/连续出版物/(空) 之一
        internal static void GetBatchNoTable(GetKeyCountListEventArgs e,
            IWin32Window owner,
            string strPubType,  // 出版物类型
            string strType,
            Stop stop,
            LibraryChannel Channel)
        {
            string strError = "";
            long lRet = 0;


            if (e.KeyCounts == null)
                e.KeyCounts = new List<KeyCount>();

            string strName = "";
            if (strType == "order")
                strName = "订购";
            else if (strType == "item")
                strName = "册";
            else if (strType == "biblio")
                strName = "编目";
            else
                throw new Exception("未知的strType '" + strType + "' 值");

            // EnableControls(false);
            stop.OnStop += new StopEventHandler(Channel.DoStop);
            stop.Initial("正在列出全部" + strName + "批次号 ...");
            stop.BeginLoop();

            try
            {
                int nPerMax = 2000; // 一次检索命中的最大条数限制
                string strLang = "zh";

                string strDbName = "<all>";
                if (strPubType == "图书")
                    strDbName = "<all book>";
                else if (strPubType == "连续出版物")
                    strDbName = "<all series>";
                else
                    strDbName = "<all>";

                if (strType == "order")
                {
                    lRet = Channel.SearchOrder(
                        stop,
                        strDbName,  // "<all>",
                        "", // strBatchNo
                        nPerMax,   // -1,
                        "批次号",
                        "left",
                        strLang,
                        "batchno",   // strResultSetName
                        "desc",
                        "keycount", // strOutputStyle
                        out strError);
                }
                else if (strType == "biblio")
                {
                    string strQueryXml = "";

                    lRet = Channel.SearchBiblio(
                        stop,
                        strDbName,  // "<all>",    // 尽管可以用 this.comboBox_inputBiblioDbName.Text, 以便获得和少数书目库相关的批次号实例,但是容易造成误会:因为数据库名列表刷新后,这里却不会刷新?
                        "", // strBatchNo,
                        nPerMax,   // -1,    // nPerMax
                        "batchno",
                        "left",
                        strLang,
                        "batchno",   // strResultSetName
                        "desc",
                        "keycount", // strOutputStyle
                        "",
                        out strQueryXml,
                        out strError);
                }
                else if (strType == "item")
                {

                    lRet = Channel.SearchItem(
                        stop,
                        strDbName,   // "<all>",
                        "", // strBatchNo
                        nPerMax,  // -1,
                        "批次号",
                        "left",
                        strLang,
                        "batchno",   // strResultSetName
                        "desc",
                        "keycount", // strOutputStyle
                        out strError);
                }
                else
                {
                    Debug.Assert(false, "");
                }


                if (lRet == -1)
                    goto ERROR1;

                if (lRet == 0)
                {
                    strError = "没有找到任何" + strName + "批次号检索点";
                    return;
                }

                long lHitCount = lRet;

                long lStart = 0;
                long lCount = lHitCount;
                DigitalPlatform.LibraryClient.localhost.Record[] searchresults = null;

                // 装入浏览格式
                for (; ; )
                {
                    Application.DoEvents();	// 出让界面控制权

                    if (stop != null)
                    {
                        if (stop.State != 0)
                        {
                            strError = "用户中断";
                            goto ERROR1;
                        }
                    }

                    lRet = Channel.GetSearchResult(
                        stop,
                        "batchno",   // strResultSetName
                        lStart,
                        lCount,
                        "keycount",
                        strLang,
                        out searchresults,
                        out strError);
                    if (lRet == -1)
                    {
                        strError = "GetSearchResult() error: " + strError;
                        goto ERROR1;
                    }

                    if (lRet == 0)
                    {
                        // MessageBox.Show(this, "未命中");
                        return;
                    }

                    // 处理浏览结果
                    for (int i = 0; i < searchresults.Length; i++)
                    {
                        if (searchresults[i].Cols == null)
                        {
                            strError = "请更新应用服务器和数据库内核到最新版本,才能使用列出" + strName + "批次号的功能";
                            goto ERROR1;
                        }

                        KeyCount keycount = new KeyCount();
                        keycount.Key = searchresults[i].Path;
                        keycount.Count = Convert.ToInt32(searchresults[i].Cols[0]);
                        e.KeyCounts.Add(keycount);
                    }

                    lStart += searchresults.Length;
                    lCount -= searchresults.Length;

                    stop.SetMessage("共命中 " + lHitCount.ToString() + " 条,已装入 " + lStart.ToString() + " 条");

                    if (lStart >= lHitCount || lCount <= 0)
                        break;
                }
            }
            finally
            {
                stop.EndLoop();
                stop.OnStop -= new StopEventHandler(Channel.DoStop);
                stop.Initial("");

                // EnableControls(true);
            }
            return;
        ERROR1:
            MessageBox.Show(owner, strError);
        }