/// <summary>
/// 从excel文件中读取产品信息
/// </summary>
/// <param name="stream"></param>
/// <param name="errMsg"></param>
/// <returns></returns>
public IList <Product> ReadListFromExcel(System.IO.Stream stream, out string errMsg)
{
IDataTableConverter <Product> productReader = new ProductDataTableConverter();
ImportToDatabaseFromExcel <Product> importor = new ImportToDatabaseFromExcel <Product>(productReader, this);
return(importor.ReadList(stream, out errMsg));
}
/// <summary>
/// 从excel文件中读取产品信息和内嵌图片
/// </summary>
/// <param name="stream"></param>
/// <param name="errMsg"></param>
/// <param name="allPictures"></param>
/// <returns></returns>
public IList <Product> ReadListFromExcelWithAllPictures(System.IO.Stream stream, out string errMsg, out System.Collections.IList allPictures)
{
IDataTableConverter <Product> productReader = new ProductDataTableConverter();
ImportToDatabaseFromExcel <Product> importor = new ImportToDatabaseFromExcel <Product>(productReader, this);
return(importor.ReadListWithAllPictures(stream, out errMsg, out allPictures));
}
/// <summary>
/// 导入excel产品列表
/// </summary>
/// <param name="stream">excel流</param>
/// <param name="errMsg"></param>
public void ImportProductFromExcel(System.IO.Stream stream, out string errMsg)
{
IDataTableConverter <Product> productReader = new ProductDataTableConverter();
ImportToDatabaseFromExcel <Product> importor = new ImportToDatabaseFromExcel <Product>(productReader, this);
importor.ImportXslData(stream, out errMsg);
}
private IList <Product> ReadProductsFromExcel(Stream stream)
{
IDataTableConverter <Product> productReader = new ProductDataTableConverter();
string errMsg;
DataTable dt = new NLibrary.ReadExcelToDataTable(stream).Read(out errMsg);
IList <Product> products = productReader.Convert(dt);
return(products);
}
/// <summary>
/// 文件结构检查
/// 正确结构: Folder-|
/// -xls文件.xls
/// -图片文件夹
/// excel读取为
/// </summary>
/// <param name="folderPath"></param>
/// <param name="productsHasPicture"></param>
/// <param name="productsNotHasPicture"></param>
/// <param name="imagesHasProduct"></param>
/// <param name="imagesHasNotProduct"></param>
public void CheckSingleFolder(string folderPath
, out IList <Product> productsHasPicture
, out IList <Product> productsNotHasPicture
, out IList <Product> productsExistedInDB
, out IList <FileInfo> imagesHasProduct
, out IList <FileInfo> imagesHasNotProduct)
{
DirectoryInfo dir = new DirectoryInfo(folderPath);
FileInfo[] excelFiles = dir.GetFiles("*.xls", SearchOption.TopDirectoryOnly);
if (excelFiles.Length != 1)
{
throw new Exception("错误,文件夹 " + folderPath + " 应该有且仅有一个excel文件");
}
FileInfo excelFile = excelFiles[0];
Stream stream = new FileStream(excelFile.FullName, FileMode.Open);
IDataTableConverter <Product> productReader = new ProductDataTableConverter();
string errMsg;
DataTable dt = new NLibrary.ReadExcelToDataTable(stream).Read(out errMsg);
IList <Product> products = productReader.Convert(dt);
sbMsg.AppendLine(products.Count + ":待导入");
sbMsgForLog.AppendLine("待导入产品数量:" + products.Count);
//排除数据库内重复的数据
IList <Product> validItems = products;
productsExistedInDB = new List <Product>();
if (CheckWithDatabase)
{
DateTime beginCheckDbExists = DateTime.Now;
validItems = BizProduct.CheckDB(
products, out productsExistedInDB);
Console.WriteLine("Time Cost CheckDB:" + (DateTime.Now - beginCheckDbExists).TotalSeconds);
sbMsg.AppendLine(productsExistedInDB.Count + ":已存在");
foreach (Product pi in productsExistedInDB)
{
sbMsg.AppendLine(" 名称:" + pi.Name + "型号:" + pi.ModelNumber + "供应商名称:" + pi.SupplierName);
}
}
//
DateTime beginCheckImage = DateTime.Now;
CheckProductImages(validItems, folderPath, out productsHasPicture
, out productsNotHasPicture
, out imagesHasProduct
, out imagesHasNotProduct);
Console.WriteLine("Time Cost CheckImage:" + (DateTime.Now - beginCheckImage).TotalSeconds);
sbMsg.AppendLine(productsNotHasPicture.Count + ":无图片");
foreach (Product pnopic in productsNotHasPicture)
{
sbMsg.AppendLine(" 名称:" + pnopic.Name + "型号:" + pnopic.ModelNumber + "供应商名称:" + pnopic.SupplierName);
}
}