BaseWarehouse类，新增 ImportExcelToMemory,DataImport函数

WarehouseMgr/Tnb.WarehouseMgr/BaseWareHouseService.cs

@@ -4,6 +4,7 @@ using System.Linq;
 using System.Linq.Expressions;
 using System.Reflection;
 using System.Security.Claims;
+using System.Security.Cryptography;
 using System.Text;
 using System.Threading.Tasks;
 using Aspose.Cells.Drawing;
@@ -15,10 +16,15 @@ using JNPF.Common.Extension;
 using JNPF.DataEncryption;
 using JNPF.DependencyInjection;
 using JNPF.DynamicApiController;
+using JNPF.FriendlyException;
 using JNPF.Systems.Interfaces.System;
 using JNPF.VisualDev;
+using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
 using Newtonsoft.Json.Linq;
+using NPOI.HSSF.UserModel;
+using NPOI.SS.UserModel;
+using NPOI.XSSF.UserModel;
 using SqlSugar;
 using Tnb.BasicData.Entities;
 using Tnb.WarehouseMgr.Entities;
@@ -86,6 +92,77 @@ namespace Tnb.WarehouseMgr
             }
             return Task.FromResult(isMatch);
         }
+        /// <summary>
+        /// 解析Excel到内存
+        /// </summary>
+        /// <param name="file"></param>
+        /// <returns></returns>
+        protected Task<Dictionary<string, object>> ImportExcelToMemory(IFormFile file)
+        {
+            int rowIndex = 1;
+            Dictionary<string, object> dic = new();
+            IWorkbook? workbook = null;
+            try
+            {
+                using (Stream stream = file.OpenReadStream())
+                {
+                    // 2007版本
+                    if (file.Name.IndexOf(".xlsx") > 0)
+                        workbook = new XSSFWorkbook(stream);
+                    else if (file.Name.IndexOf(".xls") > 0)
+                        workbook = new HSSFWorkbook(stream);
+
+                    ISheet? sheet = workbook?.GetSheetAt(0);
+
+                    if (workbook == null || sheet == null)
+                        throw Oops.Bah("无导入数据");
+
+                    if (sheet?.LastRowNum <= 1)
+                        throw Oops.Bah("无导入数据");
+
+                    ICellStyle style = workbook.CreateCellStyle();
+                    IFont font = workbook.CreateFont();
+                    font.Color = IndexedColors.Red.Index; // 将字体颜色设置为红色
+                    style.SetFont(font);
+                    var nameRow = sheet?.GetRow(0);
+                    if (nameRow != null)
+                    {
+                        List<string> columns = new List<string>();
+                        columns = nameRow.Cells.Select(x => x.StringCellValue).ToList();
+                        if (columns?.Count > 0)
+                        {
+                            for (rowIndex = 1; rowIndex <= sheet?.LastRowNum; rowIndex++)
+                            {
+                                var row = sheet?.GetRow(rowIndex);
+                                if (row != null)
+                                {
+                                    foreach (var col in columns)
+                                    {
+                                        ICell cell = row.GetCell(columns.IndexOf(col));
+                                        dic.Add(col, cell.StringCellValue);
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            catch (Exception)
+            {
+
+            }
+            return Task.FromResult(dic);
+        }
+
+        /// <summary>
+        /// 数据导入
+        /// </summary>
+        /// <param name="file"></param>
+        /// <returns></returns>
+        protected virtual Task DataImport(IFormFile file)
+        {
+            return Task.CompletedTask;
+        }
 
         [NonAction]
         protected async Task DoUpdate(WareHouseUpInput input)