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using DS.Module.Core;
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using DS.Module.ExcelModule.Model;
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using LanguageExt.ClassInstances;
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using LanguageExt;
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using Microsoft.AspNet.SignalR.Hubs;
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using Microsoft.AspNetCore.Mvc;
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using Microsoft.Extensions.DependencyInjection;
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using MiniExcelLibs;
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using Newtonsoft.Json.Linq;
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using SqlSugar;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using NPOI.SS.UserModel;
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using OfficeOpenXml;
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using System.Data;
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using Spire.Xls;
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namespace DS.Module.ExcelModule
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{
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public class EPPlusService : IEPPlusService
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{
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private readonly IServiceProvider _serviceProvider;
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private static string GetString(object obj)
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{
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try
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{
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if (obj == null) return "";
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return obj.ToString();
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}
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catch (Exception ex)
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{
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return "";
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}
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}
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/// <summary>
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///将指定的Excel的文件转换成DataTable （Excel的第一个sheet）
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/// </summary>
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/// <param name="fullFielPath">文件的绝对路径</param>
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/// <returns></returns>
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public DataTable WorksheetToTable(string fullFielPath, int SheetIndex = 1)
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{
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try
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{
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string[] PathNames = fullFielPath.Split(new string[] { @"/" }, StringSplitOptions.RemoveEmptyEntries);
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var ExcelFileName = PathNames[PathNames.Length - 1];
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if (ExcelFileName.EndsWith(".xls"))
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{
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var newExcelFileName = PathNames[PathNames.Length - 1].Replace(".xls", ".xlsx");
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var _newFileFullname = Path.GetDirectoryName(fullFielPath) + "/" + newExcelFileName;
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Workbook book = new Workbook();
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book.LoadFromFile(fullFielPath);
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book.SaveToFile(_newFileFullname, ExcelVersion.Version2013);
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fullFielPath = _newFileFullname;
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}
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FileInfo existingFile = new FileInfo(fullFielPath);
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ExcelPackage package = new ExcelPackage(existingFile);
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ExcelWorksheet worksheet = package.Workbook.Worksheets[SheetIndex];//选定 指定页
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return WorksheetToTable(worksheet);
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}
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catch (Exception e)
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{
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throw;
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}
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}
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public DataTable WorksheetToTable_NoTitle(string fullFielPath, int SheetIndex = 1)
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{
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try
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{
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string[] PathNames = fullFielPath.Split(new string[] { @"/" }, StringSplitOptions.RemoveEmptyEntries);
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var ExcelFileName = PathNames[PathNames.Length - 1];
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if (ExcelFileName.EndsWith(".xls"))
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{
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var newExcelFileName = PathNames[PathNames.Length - 1].Replace(".xls", ".xlsx");
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var _newFileFullname = Path.GetDirectoryName(fullFielPath) + "/" + newExcelFileName;
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Workbook book = new Workbook();
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book.LoadFromFile(fullFielPath);
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book.SaveToFile(_newFileFullname, ExcelVersion.Version2013);
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fullFielPath = _newFileFullname;
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}
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FileInfo existingFile = new FileInfo(fullFielPath);
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ExcelPackage package = new ExcelPackage(existingFile);
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ExcelWorksheet worksheet = package.Workbook.Worksheets[SheetIndex];//选定 指定页
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return WorksheetToTable_NoTitle(worksheet);
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}
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catch (Exception e)
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{
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throw;
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}
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}
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/// <summary>
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/// 将worksheet转成datatable
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/// </summary>
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/// <param name="worksheet">待处理的worksheet</param>
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/// <returns>返回处理后的datatable</returns>
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public DataTable WorksheetToTable(ExcelWorksheet worksheet)
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{
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//获取worksheet的行数
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int rows = worksheet.Dimension.End.Row;
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//获取worksheet的列数
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int cols = worksheet.Dimension.End.Column;
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DataTable dt = new DataTable(worksheet.Name);
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DataRow dr = null;
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for (int i = 1; i <= rows; i++)
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{
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if (i > 1)
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dr = dt.Rows.Add();
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for (int j = 1; j <= cols; j++)
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{
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//默认将第一行设置为datatable的标题
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if (i == 1)
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dt.Columns.Add(GetString(worksheet.Cells[i, j].Value));
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//剩下的写入datatable
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else
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dr[j - 1] = GetString(worksheet.Cells[i, j].Value);
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}
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}
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return dt;
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}
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public DataTable WorksheetToTable_NoTitle(ExcelWorksheet worksheet)
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{
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//获取worksheet的行数
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int rows = worksheet.Dimension.End.Row;
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//获取worksheet的列数
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int cols = worksheet.Dimension.End.Column;
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DataTable dt = new DataTable(worksheet.Name);
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DataRow dr = null;
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for (int i = 1; i <= rows; i++)
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{
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//if (i > 1)
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dr = dt.Rows.Add();
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for (int j = 1; j <= cols; j++)
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{
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//默认将第一行设置为datatable的标题
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if (i == 1)
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{
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dt.Columns.Add(GetString(worksheet.Cells[i, j].Value));
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dr[j - 1] = GetString(worksheet.Cells[i, j].Value);
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}
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//剩下的写入datatable
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else
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{
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dr[j - 1] = GetString(worksheet.Cells[i, j].Value);
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}
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}
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}
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return dt;
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}
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}
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}
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cjy
2 months ago