标签:Core Zip stream gradeId zipEntry zipStream outputMemoryStream var new
using ICSharpCode.SharpZipLib.Core;
public FileResult ExportAll(int gradeId) { var zipObjects = _scoreImportService.ExportAll(gradeId); var outputMemoryStream = new MemoryStream(); var zipStream = new ZipOutputStream(outputMemoryStream); zipStream.SetLevel(3); foreach (var item in zipObjects) { var data = item.XlsDataTable; var buffer = data.SaveToMemoryStream("学生成绩"); var inputMemoryStream = new MemoryStream(buffer.ToArray()); var zipEntry = new ZipEntry($"{item.Name}.xls"); zipEntry.DateTime = DateTime.Now; zipStream.PutNextEntry(zipEntry); StreamUtils.Copy(inputMemoryStream, zipStream, new byte[4096]); zipStream.CloseEntry(); } zipStream.IsStreamOwner = false; zipStream.Close(); outputMemoryStream.Position = 0; //return outputMemoryStream.ToArray(); var fileName = "全部"; if (gradeId != -1) { fileName = gradeId + "届"; } return File(outputMemoryStream, "application/zip;charset=UTF-8", fileName + "学生成绩单.zip"); }
标签:Core,Zip,stream,gradeId,zipEntry,zipStream,outputMemoryStream,var,new 来源: https://www.cnblogs.com/y5s78/p/16183246.html
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