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lu

2025-03-25 ebab62b668bd769f97f4afd5caee472f7e514a27

 DevApp/Gs.DevApp/DevFrm/Rpt/RptPreview.cs

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using System;
using System.Data;
using System.IO;
using DevExpress.Utils.VisualEffects;
using DevExpress.XtraEditors;
using FastReport;
using Gs.DevApp.ToolBox;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;

namespace Gs.DevApp.DevFrm.Rpt
{
    public partial class RptPreview : XtraForm
    {
        private readonly string _rptParameter;
        private readonly string _rptGuid;
        public RptPreview(string strGuid, string rptParameter)
        {
            _rptParameter = rptParameter;
            _rptGuid = strGuid;
            InitializeComponent();
            Text = _rptParameter + "报表查看：";
            getRptData();
        }

        /// <summary>
        ///     è¯»å–报表数据
        /// </summary>
        private void getRptData()
        {
            var _obj = new
            {
                rptParameter = _rptParameter,
                guid = _rptGuid,
                isDesign = 0
            };
            try
            {
                var strJson = UtilityHelper.HttpPost("", "Report/GetRptData",
                    JsonConvert.SerializeObject(_obj));
                var _job = JObject.Parse(strJson);
                var rtnCode = _job["rtnCode"].ToString();
                if (int.Parse(rtnCode) > 0)
                {
                    //模板
                    var report = new FastReport.Report();
                    var buffer = (byte[])_job["rtnData"]["reportTemplateData"];
                    using (var Stream = new MemoryStream(buffer))
                    {
                        report.Load(Stream);
                    }
                    //主表
                    var array = new JArray();
                    foreach (var a in _job["rtnData"]["zb"]) array.Add(a);
                    var _zb =JsonConvert.DeserializeObject<DataTable>(array.ToString());
                    _zb.TableName = "zb";
                    //明细表1
                    var array1 = new JArray();
                    foreach (var a in _job["rtnData"]["mx1"]) array1.Add(a);
                    var _mx1 =JsonConvert.DeserializeObject<DataTable>( array1.ToString());
                    _mx1.TableName = "mx1";
                    //明细表2
                    var array2 = new JArray();
                    foreach (var a in _job["rtnData"]["mx2"]) array2.Add(a);
                    var _mx2 =JsonConvert.DeserializeObject<DataTable>(array2.ToString());
                    _mx2.TableName = "mx2";
                    //加到数据集中
                    var ds = new DataSet();
                    ds.Tables.Add(_zb);
                    ds.Tables.Add(_mx1);
                    ds.Tables.Add(_mx2);
                    report.RegisterData(ds);
                    report.Preview = previewControl1;
                    report.Prepare();
                    report.ShowPrepared();
                }
                else
                {
                    MsgHelper.Warning("提示：" + _job["rtnMsg"]);
                    this.Close();
                }
            }
            catch (Exception ex)
            {
                MsgHelper.Warning("提示：" + ex.Message);
            }
        }
    }
}