This commit is contained in:
2026-06-24 15:54:24 +08:00
parent ce9b6cff82
commit 26a25c1410
5 changed files with 220 additions and 54 deletions
+1
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@@ -40,3 +40,4 @@ bin-release/
/CreateModel2017.bat /CreateModel2017.bat
*.xls *.xls
/HJGL_DS/FineUIPro.Web/File/PDF/Pipe /HJGL_DS/FineUIPro.Web/File/PDF/Pipe
/HJGL_DS/FineUIPro.Web/File/Fastreport/Temp
+156 -44
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@@ -8,78 +8,195 @@ using System.Text;
using System.Threading.Tasks; using System.Threading.Tasks;
using System.Web; using System.Web;
using System.Web.Security; using System.Web.Security;
using System.Timers;
using System;
using FastReport.Export.Pdf;
using System.IO;
namespace BLL.Common namespace BLL.Common
{ {
public static class FastReportService public static class FastReportService
{ {
private static Timer tempReportCleanupTimer;
// 缓存过期时间:30分钟 // 缓存过期时间:30分钟
private static readonly int CacheExpirationMinutes = 5; private static readonly int CacheExpirationMinutes = 5;
/// <summary> /// <summary>
/// 重置数据 - 清理缓存和Session /// 重置数据
/// </summary> /// </summary>
public static void ResetData() public static void ResetData()
{ {
if (HttpContext.Current?.Session == null) HttpContext.Current.Session["ReportDataTables"] = null;
HttpContext.Current.Session["ReportParameterValues"] = null;
}
public static void AddFastreportTable(DataTable dataTable)
{
List<DataTable> dataTables = (List<DataTable>)HttpContext.Current.Session["ReportDataTables"];
if (dataTables == null)
{
dataTables = new List<DataTable>();
}
dataTables.Add(dataTable);
HttpContext.Current.Session["ReportDataTables"] = dataTables;
}
public static void AddFastreportParameter(Dictionary<string, string> Dicparames)
{
HttpContext.Current.Session["ReportParameterValues"] = Dicparames;
}
/// <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; return;
} }
// 清理Session中的缓存键引用 DateTime expiredTime = DateTime.Now.AddHours(-1);
var cacheKeys = HttpContext.Current.Session["ReportDataCacheKeys"] as List<string>; foreach (string file in Directory.GetFiles(tempDirectory, "*.pdf", SearchOption.TopDirectoryOnly))
if (cacheKeys != null)
{ {
foreach (var key in cacheKeys) FileInfo fileInfo = new FileInfo(file);
if (fileInfo.CreationTime < expiredTime)
{ {
try fileInfo.Attributes = FileAttributes.Normal;
{ fileInfo.Delete();
CacheHelper.Remove(key);
}
catch
{
// 忽略缓存删除异常
} }
} }
} }
HttpContext.Current.Session["ReportDataCacheKeys"] = null; catch (Exception ex)
HttpContext.Current.Session["ReportParameterCacheKey"] = null; {
ErrLogInfo.WriteLog(ex, "FastReport临时报表清理", "FastReportService.CleanExpiredTempReports");
}
} }
/// <summary> /// <summary>
/// 添加报表数据表到缓存 /// 导出报表 PDF 到临时目录,并返回可访问的相对 URL。
/// </summary> /// </summary>
public static void AddFastreportTable(DataTable dataTable) /// <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"];
// 生成唯一缓存键 Dictionary<string, string> parameterValues = (Dictionary<string, string>)HttpContext.Current.Session["ReportParameterValues"];
string cacheKey = $"ReportData_{Guid.NewGuid()}_{DateTime.Now.Ticks}"; return ExportReport(reportPath, dataTables, parameterValues);
// 将数据表存储到缓存中,设置5分钟过期
CacheHelper.Add(cacheKey, dataTable, DateTimeOffset.Now.AddMinutes(CacheExpirationMinutes));
List<string> cacheKeys = HttpContext.Current.Session["ReportDataCacheKeys"] as List<string>;
if (cacheKeys==null)
{
cacheKeys = new List<string>();
}
cacheKeys.Add(cacheKey);
HttpContext.Current.Session["ReportDataCacheKeys"] = cacheKeys;
} }
/// <summary> /// <summary>
/// 添加报表参数到缓存 /// 导出报表 PDF 到临时目录,并返回可访问的相对 URL。
/// </summary> /// </summary>
public static void AddFastreportParameter(Dictionary<string, string> Dicparames) /// <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)
{ {
// 生成唯一缓存键 string fullReportPath = GetReportFullPath(reportPath);
string cacheKey = $"ReportParam_{Guid.NewGuid()}_{DateTime.Now.Ticks}"; if (string.IsNullOrEmpty(fullReportPath) || !File.Exists(fullReportPath))
{
throw new FileNotFoundException("打印模板不存在!", reportPath);
}
// 将参数存储到缓存中,设置5分钟过期 string relativeDirectory = @"File\Fastreport\Temp\";
CacheHelper.Add(cacheKey, Dicparames, DateTimeOffset.Now.AddMinutes(CacheExpirationMinutes)); string tempDirectory = Path.Combine(Funs.RootPath, relativeDirectory);
if (!Directory.Exists(tempDirectory))
{
Directory.CreateDirectory(tempDirectory);
}
// Session只存储缓存键的引用(轻量级) string fileName = "report_" + DateTime.Now.ToString("yyyyMMddHHmmssfff") + "_" + Guid.NewGuid().ToString("N") + ".pdf";
HttpContext.Current.Session["ReportParameterCacheKey"] = cacheKey; 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> /// <summary>
@@ -105,26 +222,21 @@ namespace BLL.Common
{ {
report.RegisterData(dataTables[j], dataTables[j].TableName);//绑定数据源 report.RegisterData(dataTables[j], dataTables[j].TableName);//绑定数据源
} }
} }
if (ParameterValues.Count > 0) if (ParameterValues.Count > 0)
{ {
foreach (KeyValuePair<string, string> kvp in ParameterValues) foreach (KeyValuePair<string, string> kvp in ParameterValues)
{ {
report.SetParameterValue(kvp.Key, kvp.Value);//绑定参数 report.SetParameterValue(kvp.Key, kvp.Value);//绑定参数
} }
} }
if (i == 0) if (i == 0)
{ {
report.Prepare(); report.Prepare();
} }
else else
{ {
report.Prepare(true); report.Prepare(true);
} }
} }
if (printType == "1") if (printType == "1")
+1
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@@ -37,6 +37,7 @@
Funs.APPUrl = ConfigurationManager.AppSettings["APPUrl"]; Funs.APPUrl = ConfigurationManager.AppSettings["APPUrl"];
Funs.SystemCode = ConfigurationManager.AppSettings["SystemCode"]; Funs.SystemCode = ConfigurationManager.AppSettings["SystemCode"];
Funs.HJGLUrl = ConfigurationManager.AppSettings["HJGLUrl"]; Funs.HJGLUrl = ConfigurationManager.AppSettings["HJGLUrl"];
BLL.Common.FastReportService.StartTempReportCleanupMonitor();
} }
catch (Exception ex) catch (Exception ex)
{ {
@@ -80,15 +80,64 @@
var result = window.showModalDialog("LC700.aspx?keyId=" + keyId + "&flag=" + flag + "&grid=" + grid, "", "status=no;dialogWidth=600px;dialogHeight=280px;menu=no;resizeable=no;scroll=yes;center=yes;edge=raise;location=no"); var result = window.showModalDialog("LC700.aspx?keyId=" + keyId + "&flag=" + flag + "&grid=" + grid, "", "status=no;dialogWidth=600px;dialogHeight=280px;menu=no;resizeable=no;scroll=yes;center=yes;edge=raise;location=no");
} }
function ReportPrint(reportId, replaceParameter, varValue) { //function ReportPrint(reportId, replaceParameter, varValue) {
var result = window.showModalDialog("../../Common/ReportPrint/ExReportPrint.aspx?ispop=1&projectId=0&reportId=" + reportId + "&replaceParameter=" + replaceParameter + "&varValue=" + varValue, "", "status=no;dialogWidth=610px;dialogHeight=460px;menu=no;resizeable=no;scroll=no;center=yes;edge=raise;location=no"); // var result = window.showModalDialog("../../Common/ReportPrint/ExReportPrint.aspx?ispop=1&projectId=0&reportId=" + reportId + "&replaceParameter=" + replaceParameter + "&varValue=" + varValue, "", "status=no;dialogWidth=610px;dialogHeight=460px;menu=no;resizeable=no;scroll=no;center=yes;edge=raise;location=no");
} //}
function backData(data) { function backData(data) {
//debugger //debugger
//alert(data); //alert(data);
alert("焊工已确认领料!"); alert("焊工已确认领料!");
} }
function printByHiddenFrame(url) {
var frameId = 'fastreport-print-frame-' + new Date().getTime();
var frame = document.createElement('iframe');
frame.id = frameId;
frame.name = frameId;
frame.style.position = 'fixed';
frame.style.left = '-10000px';
frame.style.top = '-10000px';
frame.style.width = '1px';
frame.style.height = '1px';
frame.style.border = '0';
frame.style.opacity = '0';
frame.onload = function () {
setTimeout(function () {
try {
frame.contentWindow.onafterprint = cleanupPrintFrame;
frame.contentWindow.focus();
frame.contentWindow.print();
} catch (e) {
window.print();
}
}, 500);
};
frame.src = url;
document.body.appendChild(frame);
var cleaned = false;
function cleanupPrintFrame() {
if (cleaned) {
return;
}
cleaned = true;
if (frame && frame.parentNode) {
frame.parentNode.removeChild(frame);
}
window.removeEventListener('afterprint', cleanupPrintFrame);
}
window.addEventListener('afterprint', cleanupPrintFrame);
setTimeout(cleanupPrintFrame, 300000);
}
window.addEventListener('message', function (event) {
if (!event.data || event.data.type !== 'fastreport-print-finished') {
return;
}
var frame = document.getElementById(event.data.frameId);
if (frame && frame.parentNode) {
frame.parentNode.removeChild(frame);
}
});
</script> </script>
</head> </head>
<body class="bgStyle"> <body class="bgStyle">
@@ -316,8 +316,11 @@ namespace FineUIPro.Web.WeldMat.UsingSentMat
if (File.Exists(rootPath + initTemplatePath)) if (File.Exists(rootPath + initTemplatePath))
{ {
PageContext.RegisterStartupScript(Window2.GetShowReference(String.Format("../../common/ReportPrint/Fastreport.aspx?ReportPath={0}", rootPath + initTemplatePath))); //PageContext.RegisterStartupScript(Window2.GetShowReference(String.Format("../../common/ReportPrint/Fastreport.aspx?ReportPath={0}", rootPath + initTemplatePath)));
string printUrl = ResolveUrl(BLL.Common.FastReportService.ExportReport(rootPath + initTemplatePath));
PageContext.RegisterStartupScript(String.Format("printByHiddenFrame('{0}');", printUrl));
Window2.Hidden = true;
Window2.IFrameUrl = "";
} }
} }
} }