DigitalScholl/Learun.Framework.Ultimate V7/Learun.Application.Web/Startup1.cs

using GrapeCity.ActiveReports;
using GrapeCity.ActiveReports.Aspnet.Viewer;
using GrapeCity.ActiveReports.PageReportModel;
using GrapeCity.ActiveReports.Rendering;
using Microsoft.Owin;
using Owin;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Reflection;

[assembly: OwinStartup(typeof(Learun.Application.Web.Startup1))]

namespace Learun.Application.Web
{
    public class Startup1
    {
        public static string EmbeddedReportsPrefix = "Learun.Application.Web";


        public void Configuration(IAppBuilder app)
        {
            app.UseReporting(settings =>
            {

                settings.UseCompression = true;
                settings.UseCustomStore(GetReport);//使用UseCustomStore来自定义一些需要的值  
                                                   //settings.UseFileStore(new DirectoryInfo(String.Format(@"{0}.\Reports\", HttpRuntime.AppDomainAppPath)));               
                //settings.LocateDataSource = GetData;

            });

        }



        public object GetReport(string P)//获取报表名称和报表参数，进行一个对应的报表名称和参数的分割
        {
            var plist = P.Split('|');
            string reportName = plist[0];//报表名称;
            PageReport rep = new PageReport();


            string path = Assembly.GetExecutingAssembly().CodeBase.Replace("bin/Learun.Application.Web.DLL", "Reports/").Replace("file:///", "");
            //string path = System.Web.Hosting.HostingEnvironment.MapPath("~/");
            rep.Load(new FileInfo(path + reportName));

            int num = 0;
            foreach (var item in plist)
            {
                if (num > 0)
                {
                    AddReportPara("param" + num, item, rep);
                }

                num++;
            }
            return rep.Report;
        }
        /// <summary>
        /// 报表参数添加
        /// </summary>
        /// <param name="name">参数名</param>
        /// <param name="value">参数值</param>
        /// <param name="rp">报表体</param>
        private void AddReportPara(string name, string value, PageReport rep)
        {
            //如果没有值，报表不会自动运行，所以不能加
            if (string.IsNullOrEmpty(value.Trim()))
            {
                return;
            }

            Dictionary<string, string> dicParas = new Dictionary<string, string>();
            foreach (var item in rep.Report.ReportParameters)
            {
                if (!dicParas.ContainsKey(item.Name))
                {
                    dicParas.Add(item.Name, item.DefaultValue.Values[0].Expression);
                }
            }

            if (!dicParas.ContainsKey(name))
            {
                ReportParameter para = new ReportParameter();
                para.Name = name;
                para.Prompt = name;
                para.UsedInQuery = ReportParameterUsedInQuery.True;
                para.DataType = ReportParameterDataType.String;
                para.DefaultValue.Values.Add(value.Trim());
                rep.Report.ReportParameters.Add(para);
            }
        }


        /// <summary>
        /// 自定义数据源
        /// </summary>
        /// <param name="args">报表数据参数</param>
        /// <returns></returns>
        //public object GetData(LocateDataSourceArgs args)
        //{
        //    Dictionary<string, string> dcFilter = new Dictionary<string, string>();
        //    DataTable dtData = new DataTable();
        //    string name = args.Report.Name.ToString();
        //    string dataSource = args.DataSet.Query.DataSourceName;
        //    string dataSet = args.DataSet.Name;
        //    switch (name)
        //    {
        //        case "制程工单.rdlx":
        //            if (args.Report.ReportParameters.Count > 0)
        //            {
        //                var id = args.Report.ReportParameters[0].DefaultValue.Values[0].Expression;
        //                WorkOrderIBLL workOrderIBLL = new WorkOrderBLL();
        //                dtData = workOrderIBLL.GetPrintItem(id);
        //            }
        //            break;
        //    }
        //    return dtData;
        //}
    }
}