/// <summary>/// RDLC报表帮助类/// </summary>public static class RDLCHelper{/// <summary>/// 下载打印文件/// </summary>/// <param name="option">报表设置项</param>/// <param name="str_dataSource">报表数据集名称</param>/// <param name="data">数据源</param>/// <param name="renderedBytes">报表二进制流</param>/// <param name="mimeType">报表mimeType</param>public static void DownloadFile<T>(ReportOption option, string str_dataSource, List<T> data, out byte[] renderedBytes, out string mimeType){LocalReport localReport = new LocalReport();localReport.EnableExternalImages = true;localReport.ReportPath = HttpContext.Current.Server.MapPath(option.ReportServerUrl);ReportDataSource reportDataSource = new ReportDataSource(str_dataSource, data);localReport.DataSources.Add(reportDataSource);string encoding;string fileNameExtension;string deviceInfo ="<DeviceInfo>" +"<OutPutFormat>" + option.OutPutFormat + "</OutPutFormat>" +"<PageWidth>" + option.PageWidth + "</PageWidth>" +"<PageHeight>" + option.PageHeight + "</PageHeight>" +"<MarginTop>" + option.MarginTop + "</MarginTop>" +"<MarginLeft>" + option.MarginLeft + "</MarginLeft>" +"<MarginRight>" + option.MarginRight + "</MarginRight>" +"<MarginBottom>" + option.MarginBottom + "</MarginBottom>" +"</DeviceInfo>";Warning[] warnings;string[] streams;renderedBytes = localReport.Render(option.OutPutFormat,deviceInfo,out mimeType,out encoding,out fileNameExtension,out streams,out warnings);}/// <summary>/// 报表设置项/// </summary>            public class ReportOption{/// <summary>/// 报表文件路径/// </summary>public string ReportServerUrl { get; set; }/// <summary>/// 文件类型/// </summary>public string OutPutFormat { get; set; }/// <summary>/// 页宽，不包含单位（cm厘米，in英寸）/// </summary>public string PageWidth { get; set; }/// <summary>/// 页高，不包含单位（cm厘米，in英寸）/// </summary>public string PageHeight { get; set; }/// <summary>/// 外边距顶部值，设计页面外部累加值，不包含单位（cm厘米，in英寸）/// </summary>public string MarginTop { get; set; }/// <summary>/// 外边距底部值，设计页面外部累加值，不包含单位（cm厘米，in英寸）/// </summary>public string MarginBottom { get; set; }/// <summary>/// 外边距左部值，设计页面外部累加值，不包含单位（cm厘米，in英寸）/// </summary>public string MarginLeft { get; set; }/// <summary>/// 外边距右部值，设计页面外部累加值，不包含单位（cm厘米，in英寸）/// </summary>public string MarginRight { get; set; }}}

        public ActionResult Print(string DEVICE_ID, string type){List<bill> bill = new List<bill>();RDLCHelper.ReportOption option = new RDLCHelper.ReportOption{ReportServerUrl = "~/Template/bill.rdlc",OutPutFormat = type,PageWidth = "21cm",//注意此处设置的A4纵向格式PageHeight = "29.7cm",//但实际报表为A5横向MarginTop = "0cm",MarginBottom = "0cm",MarginLeft = "0cm",MarginRight = "0cm"};byte[] renderedBytes;string mimeType;RDLCHelper.DownloadFile(option, "billData", bill, out renderedBytes, out mimeType);return File(renderedBytes, mimeType);}

function Print() {window.open("/bbbb/billm/bill?type=pdf&DEVICE_ID=" + DeviceId , 'newwindow', 'height=800, width=1200, top=0,left=0, toolbar=no,  menubar=no, scrollbars=no, resizable=no,location=no, status=no');
}