Importer excelImporter = new Importer();
FileStream fs = new FileStream(@"G:\workspace\BSS\src\BSSWebSite\BSSSpreadJSExcel\经营目标\年度计划-成本规划.xlsx", FileMode.Open);
string res = excelImporter.ImportExcel(fs);
Importer importer = new Importer();
FileStream sFile = new FileStream(Server.MapPath(excelTemplate), FileMode.Open);
string result = importer.ImportExcel(sFile);
return result;