feat(clgl)条码打印修改

2026-06-24 09:59:56 +08:00
parent 75d7c48ff2
commit efa5c91aa1
15 changed files with 410 additions and 12 deletions
@@ -1,12 +1,19 @@
-using FastReport;
+using FastReport;
+using FastReport.Export.Pdf;
+using System;
 using System.Collections.Generic;
 using System.Data;
+using System.IO;
+using System.Text;
+using System.Timers;
 using System.Web;

 namespace BLL
 {
    public static class FastReportService
    {
+        private static Timer tempReportCleanupTimer;
+
        /// <summary>
        /// 重置数据
        /// </summary>
@@ -32,6 +39,159 @@ namespace BLL

        }

+        /// <summary>
+        /// 启动临时报表清理定时器，定期删除超过 1 小时的 PDF。
+        /// </summary>
+        public static void StartTempReportCleanupMonitor()
+        {
+            if (tempReportCleanupTimer != null)
+            {
+                tempReportCleanupTimer.Stop();
+                tempReportCleanupTimer.Dispose();
+                tempReportCleanupTimer = null;
+            }
+
+            CleanExpiredTempReports();
+            tempReportCleanupTimer = new Timer
+            {
+                AutoReset = true,
+                Interval = 1000 * 60 * 30
+            };
+            tempReportCleanupTimer.Elapsed += TempReportCleanupTimer_Elapsed;
+            tempReportCleanupTimer.Start();
+        }
+
+        private static void TempReportCleanupTimer_Elapsed(object sender, ElapsedEventArgs e)
+        {
+            CleanExpiredTempReports();
+        }
+
+        /// <summary>
+        /// 删除 File/Fastreport/Temp 下创建时间超过 1 小时的 PDF 临时文件。
+        /// </summary>
+        public static void CleanExpiredTempReports()
+        {
+            try
+            {
+                string tempDirectory = Path.Combine(Funs.RootPath, @"File\Fastreport\Temp\");
+                if (!Directory.Exists(tempDirectory))
+                {
+                    return;
+                }
+
+                DateTime expiredTime = DateTime.Now.AddHours(-1);
+                foreach (string file in Directory.GetFiles(tempDirectory, "*.pdf", SearchOption.TopDirectoryOnly))
+                {
+                    FileInfo fileInfo = new FileInfo(file);
+                    if (fileInfo.CreationTime < expiredTime)
+                    {
+                        fileInfo.Attributes = FileAttributes.Normal;
+                        fileInfo.Delete();
+                    }
+                }
+            }
+            catch (Exception ex)
+            {
+                ErrLogInfo.WriteLog(ex, "FastReport临时报表清理", "FastReportService.CleanExpiredTempReports");
+            }
+        }
+
+        /// <summary>
+        /// 导出报表 PDF 到临时目录，并返回可访问的相对 URL。
+        /// </summary>
+        /// <param name="reportPath">报表模板路径，支持绝对路径或相对 Funs.RootPath 的路径。</param>
+        public static string ExportReport(string reportPath)
+        {
+            List<DataTable> dataTables = (List<DataTable>)HttpContext.Current.Session["ReportDataTables"];
+            Dictionary<string, string> parameterValues = (Dictionary<string, string>)HttpContext.Current.Session["ReportParameterValues"];
+            return ExportReport(reportPath, dataTables, parameterValues);
+        }
+
+        /// <summary>
+        /// 导出报表 PDF 到临时目录，并返回可访问的相对 URL。
+        /// </summary>
+        /// <param name="reportPath">报表模板路径，支持绝对路径或相对 Funs.RootPath 的路径。</param>
+        /// <param name="dataTables">报表数据源集合。</param>
+        /// <param name="parameterValues">报表参数集合。</param>
+        public static string ExportReport(string reportPath, List<DataTable> dataTables, Dictionary<string, string> parameterValues)
+        {
+            string fullReportPath = GetReportFullPath(reportPath);
+            if (string.IsNullOrEmpty(fullReportPath) || !File.Exists(fullReportPath))
+            {
+                throw new FileNotFoundException("打印模板不存在！", reportPath);
+            }
+
+            string relativeDirectory = @"File\Fastreport\Temp\";
+            string tempDirectory = Path.Combine(Funs.RootPath, relativeDirectory);
+            if (!Directory.Exists(tempDirectory))
+            {
+                Directory.CreateDirectory(tempDirectory);
+            }
+
+            string fileName = "report_" + DateTime.Now.ToString("yyyyMMddHHmmssfff") + "_" + Guid.NewGuid().ToString("N") + ".pdf";
+            string filePath = Path.Combine(tempDirectory, fileName);
+            using (Report report = BuildPreparedReport(fullReportPath, dataTables, parameterValues))
+            using (PDFExport pdfExport = new PDFExport())
+            {
+                // Web 打印先导出 PDF，前端用 iframe 装载后调用浏览器打印。
+                pdfExport.PrintScaling = false;
+                pdfExport.ShowPrintDialog = true;
+                report.Export(pdfExport, filePath);
+            }
+
+            return "~/" + relativeDirectory.Replace("\\", "/") + fileName;
+        }
+
+        private static Report BuildPreparedReport(string reportPath, List<DataTable> dataTables, Dictionary<string, string> parameterValues)
+        {
+            FastReport.Utils.Config.WebMode = true;
+            Report report = new Report();
+            report.Load(reportPath);
+            if (report.Dictionary.Connections.Count > 0)
+            {
+                var reportConnection = report.Dictionary.Connections[0];
+                if (reportConnection.ConnectionString != Funs.ConnString)
+                {
+                    // 打印时只替换本次报表连接，避免把运行环境连接串写回模板文件。
+                    reportConnection.ConnectionString = Funs.ConnString;
+                }
+            }
+
+            if (dataTables != null && dataTables.Count > 0)
+            {
+                for (int i = 0; i < dataTables.Count; i++)
+                {
+                    report.RegisterData(dataTables[i], dataTables[i].TableName);
+                }
+            }
+
+            if (parameterValues != null && parameterValues.Count > 0)
+            {
+                foreach (KeyValuePair<string, string> kvp in parameterValues)
+                {
+                    report.SetParameterValue(kvp.Key, kvp.Value);
+                }
+            }
+
+            report.Prepare();
+            return report;
+        }
+
+        private static string GetReportFullPath(string reportPath)
+        {
+            if (string.IsNullOrEmpty(reportPath))
+            {
+                return reportPath;
+            }
+
+            if (Path.IsPathRooted(reportPath))
+            {
+                return reportPath;
+            }
+
+            return Path.Combine(Funs.RootPath, reportPath.TrimStart('\\', '/'));
+        }
+
        /// <summary>
        /// 合并报表后打印
        /// </summary>