NPOI导出50000条数据约 3秒钟，office导出 就慢的不能忍受了。。。
资源文件列表
ExcelExportNpoi/ExcelExportNpoi/App.config , 414
ExcelExportNpoi/ExcelExportNpoi/bin/Debug/ExcelExportNpoi.exe , 23552
ExcelExportNpoi/ExcelExportNpoi/bin/Debug/ExcelExportNpoi.exe.config , 414
ExcelExportNpoi/ExcelExportNpoi/bin/Debug/ExcelExportNpoi.pdb , 60928
ExcelExportNpoi/ExcelExportNpoi/bin/Debug/ExcelExportNpoi.vshost.exe , 11600
ExcelExportNpoi/ExcelExportNpoi/bin/Debug/ExcelExportNpoi.vshost.exe.config , 414
ExcelExportNpoi/ExcelExportNpoi/bin/Debug/IgoCMS.Web.dll , 199680
ExcelExportNpoi/ExcelExportNpoi/bin/Debug/NPOI.dll , 1281536
ExcelExportNpoi/ExcelExportNpoi/bin/Debug/NPOI.xml , 2009506
ExcelExportNpoi/ExcelExportNpoi/bin/Debug/测试 , 5878784
ExcelExportNpoi/ExcelExportNpoi/DataClass/ExcelHelper.cs , 22962
ExcelExportNpoi/ExcelExportNpoi/DataClass/ExportExcelNew.cs , 3922
ExcelExportNpoi/ExcelExportNpoi/DataClass/NPOIExcelHelper.cs , 19634
ExcelExportNpoi/ExcelExportNpoi/ExcelExportNpoi.csproj , 4206
ExcelExportNpoi/ExcelExportNpoi/ExcelExportNpoi.csproj.user , 227
ExcelExportNpoi/ExcelExportNpoi/lib/NPOI.dll , 1281536
ExcelExportNpoi/ExcelExportNpoi/lib/NPOI.XML , 2009506
ExcelExportNpoi/ExcelExportNpoi/Mytest.cs , 2189
ExcelExportNpoi/ExcelExportNpoi/Mytest.Designer.cs , 3614
ExcelExportNpoi/ExcelExportNpoi/Mytest.resx , 5817
ExcelExportNpoi/ExcelExportNpoi/obj/x86/Debug/DesignTimeResolveAssemblyReferences.cache , 2152
ExcelExportNpoi/ExcelExportNpoi/obj/x86/Debug/DesignTimeResolveAssemblyReferencesInput.cache , 6291
ExcelExportNpoi/ExcelExportNpoi/obj/x86/Debug/ExcelExportNpoi.csproj.FileListAbsolute.txt , 963
ExcelExportNpoi/ExcelExportNpoi/obj/x86/Debug/ExcelExportNpoi.exe , 23552
ExcelExportNpoi/ExcelExportNpoi/obj/x86/Debug/ExcelExportNpoi.Mytest.resources , 180
ExcelExportNpoi/ExcelExportNpoi/obj/x86/Debug/ExcelExportNpoi.pdb , 60928
ExcelExportNpoi/ExcelExportNpoi/obj/x86/Debug/ExcelExportNpoi.Properties.Resources.resources , 180
ExcelExportNpoi/ExcelExportNpoi/obj/x86/Debug/GenerateResource.read.1.tlog , 352
ExcelExportNpoi/ExcelExportNpoi/obj/x86/Debug/GenerateResource.write.1.tlog , 1238
ExcelExportNpoi/ExcelExportNpoi/obj/x86/Debug/ResolveAssemblyReference.cache , 40827
ExcelExportNpoi/ExcelExportNpoi/obj/x86/Debug/TempPE/Properties.Resources.Designer.cs.dll , 4608
ExcelExportNpoi/ExcelExportNpoi/Program.cs , 497
ExcelExportNpoi/ExcelExportNpoi/Properties/AssemblyInfo.cs , 1386
ExcelExportNpoi/ExcelExportNpoi/Properties/Resources.Designer.cs , 2866
ExcelExportNpoi/ExcelExportNpoi/Properties/Resources.resx , 5612
ExcelExportNpoi/ExcelExportNpoi/Properties/Settings.Designer.cs , 1111
ExcelExportNpoi/ExcelExportNpoi/Properties/Settings.settings , 249
ExcelExportNpoi/ExcelExportNpoi.sln , 887
ExcelExportNpoi/ExcelExportNpoi.suo , 23552