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2024-10-22 029703212622519325f9cb5129a5e9ced98bdfad

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using Gs.DevApp.ToolBox;
using Newtonsoft.Json;
using System;
using System.Data;
using Newtonsoft.Json.Linq;
using System.IO;
 
namespace Gs.DevApp.DevFrm.Rpt
{
    public partial class RptPreview : DevExpress.XtraEditors.XtraForm
    {
        private string _rptService;
        public RptPreview(string rptService)
        {
            _rptService = rptService;
            InitializeComponent();
            this.Text = _rptService + "报表查看：";
            getRptData();
        }
 
        /// <summary>
        /// 读取报表数据列表
        /// </summary>
        private void getRptData()
        {
            var _obj = new
            {
                reportType = this._rptService,
                sortName = "a.userName asc,a.roleName asc,menuActionPath ",
                sortOrder = "asc",
                keyWhere = ""
            };
            try
            {
                string strJson = UtilityHelper.HttpPost("", "Report/" + _rptService, JsonConvert.SerializeObject(_obj));
                JObject _job = JObject.Parse(strJson);
                string rtnCode = _job["rtnCode"].ToString();
                if (int.Parse(rtnCode) > 0)
                {
                    JArray array = new JArray();
                    foreach (var a in _job["rtnData"]["listM1"])
                    {
                        array.Add(a);
                    }
                    DataTable dt = JsonConvert.DeserializeObject<DataTable>(array.ToString());
                    DataSet ds = new DataSet();
                    dt.TableName = "Table2";
                    ds.Tables.Add(dt);
                    FastReport.Report report = new FastReport.Report();
                    byte[] buffer = (byte[])_job["rtnData"]["reportData"];
                    using (MemoryStream Stream = new MemoryStream(buffer))
                    {
                        report.Load(Stream);
                    }
                    report.RegisterData(ds);
                    report.Preview = previewControl1;
                    report.Prepare();
                    report.ShowPrepared();
                }
                else
                {
                    ToolBox.MsgHelper.Warning("提示：" + _job["rtnMsg"].ToString());
                }
            }
            catch (Exception ex)
            {
                ToolBox.MsgHelper.Warning("提示：" + ex.Message);
            }
        }
    }
}