public IActionResult ExcelBackupBase(dynamic excelData, string excelName, bool isDynamic = false, string savePath = "")
{
if (!Directory.Exists(savePath))
{
Directory.CreateDirectory(savePath);
}
if (Directory.Exists(savePath))
{
var factory = ExcelEntityFactory.GetInstance();
byte[] result = null;
if (!isDynamic)
{
result = factory.CreateWriteToExcel().ExportListToExcel(excelData, null, true);
}
else
{
var dtResult = DynamicHelper.ToDataTable(excelData);
result = factory.CreateWriteToExcel().ExportDataTableToExcel(dtResult, null, true);
}
string fileName = $"{excelName}-{DateTime.Now:yyyyMMddHHmmss}.xlsx";
System.IO.File.WriteAllBytes($@"{savePath}\{fileName}", result);
}
return(new EmptyResult());
}
/// <summary>
/// 从Excel中读取数据，
/// </summary>
/// <typeparam name="T">与Excel对应的数据模型</typeparam>
/// <param name="fileStream">文件Stream</param>
/// <param name="startCellName">数据开始的单元格，如Key在A列，只有一个标题，则数据开始的单元格为"B1"</param>
/// <returns></returns>
public virtual Dictionary <string, T> GetMessageFromExcelWithFileStream <T>() where T : new()
{
var factory = ExcelEntityFactory.GetInstance();
var TPropertyNameDisplayAttributeNameDic = GetTPropertyNameDisplayAttributeNameDic <T>();
var result = factory.CreateReadFromExcel().ExcelToEntityDictionary <T>(TPropertyNameDisplayAttributeNameDic, fileStream, out StringBuilder errorMesg, null, startCellName, keyColumn);
return(result);
}
/// <summary>
/// 验证Excel的格式是否为指定格式
/// </summary>
/// <returns></returns>
protected virtual bool ValidExcelFormat()
{
if (excelType.Equals(ExcelEntityFactory.GetInstance().Excel2007ContentType))
{
return(true);
}
return(false);
}
private Dictionary <string, DepartmentFromExcelViewModel> GetDepartmentMessageFromExcel(Stream fileStream)
{
var factory = ExcelEntityFactory.GetInstance();
var TPropertyNameDisplayAttributeNameDic = GetTPropertyNameDisplayAttributeNameDic <DepartmentFromExcelViewModel>();
var result = factory.CreateReadFromExcel().ExcelToEntityDictionary <DepartmentFromExcelViewModel>(TPropertyNameDisplayAttributeNameDic, fileStream, out StringBuilder errorMesg);
ViewBag.ErrorMessage = errorMesg.ToString();
return(result);
}
public ActionResult TestExportListToExcelWithOutisShowSlNoIsFalse()
{
var factory = ExcelEntityFactory.GetInstance();
var testData = GetTestData();
var titleHead = GetTitleList();
var result = factory.CreateWriteToExcel().ExportListToExcel <TestA>(testData, null, false);
return(new FileContentResult(result, factory.CreateWriteToExcel().ExcelContentType));
}
/// <summary>
/// 文件存在，且文件名是以xlsx结尾
/// </summary>
/// <param name="files"></param>
/// <returns></returns>
private bool IsValidFile(List <IFormFile> files)
{
bool result = false;
if (files != null && files.Count > 0)
{
if (files.All(a => a.ContentType.Equals(ExcelEntityFactory.GetInstance().Excel2007ContentType)))
{
result = true;
}
}
return(result);
}
public static FileContentResult ExcelExport(dynamic excelData, string excelName, List <string> heading, bool isShowSlNo, List <string> keySelectors, List <string> tails)
{
var factory = ExcelEntityFactory.GetInstance();
byte[] result = null;
// var listResult = DynamicHelper.ToDynamicList(DynamicHelper.ToDataTable(excelData));
DataTable dtResult = DynamicHelper.ToDataTable(excelData);
result = factory.CreateWriteToExcel().ExportListToExcel(dtResult, heading, isShowSlNo, keySelectors, tails);
var returnResult =
new FileContentResult(result, factory.CreateWriteToExcel().ExcelContentType)
{
FileDownloadName = $"{excelName}-{DateTime.Now:yyyyMMddHHmmss}.xlsx"
};
return(returnResult);
}
public static FileContentResult ExcelExport <T>(List <T> excelData, string excelName, List <string> heading, bool isShowSlNo, List <string> keySelectors, List <string> tails, bool isGroupTotalExcel = false, List <string> coloumsColor = null, List <string> hideColoums = null)
{
var factory = ExcelEntityFactory.GetInstance();
byte[] result = null;
DataTable dtResult = ListHelper.ToDataTable(excelData, hideColoums);
result = !isGroupTotalExcel
? factory.CreateWriteToExcel().ExportListToExcel(dtResult, heading, isShowSlNo, keySelectors, tails)
: factory.CreateWriteToExcel().ExportGroupListToExcel(dtResult, heading, isShowSlNo, keySelectors, tails, coloumsColor);
var returnResult =
new FileContentResult(result, factory.CreateWriteToExcel().ExcelContentType)
{
FileDownloadName = $"{excelName}-{DateTime.Now:yyyyMMddHHmmss}.xlsx"
};
return(returnResult);
}
/// <summary>
/// Excel导出，暂时支持实体类和DataTable数据源
/// </summary>
/// <param name="excelData"></param>
/// <param name="excelName"></param>
/// <param name="isModel"></param>
/// <returns></returns>
public static FileContentResult ExcelExport <T>(List <T> excelData, string excelName, bool isDynamic = false, bool isShowSlNo = true)
{
var factory = ExcelEntityFactory.GetInstance();
byte[] result = null;
if (!isDynamic)
{
result = factory.CreateWriteToExcel().ExportListToExcel(excelData, null, isShowSlNo);
}
else
{
var dtResult = ListHelper.ToDataTable(excelData);
result = factory.CreateWriteToExcel().ExportDataTableToExcel(dtResult, null, isShowSlNo);
}
var returnResult =
new FileContentResult(result, factory.CreateWriteToExcel().ExcelContentType)
{
FileDownloadName = $"{excelName}-{DateTime.Now:yyyyMMddHHmmss}.xlsx"
};
return(returnResult);
}
static ExcelEntityFactory()
{
// create the instance only if the instance is null
Instance = new ExcelEntityFactory();
}
