ShrlAlgoToolkit/ShrlAlgoToolkit.RevitAddins/Assists/EPPlusHelper.cs

using System.Data;
using System.IO;
using OfficeOpenXml;
using OfficeOpenXml.Style;

namespace ShrlAlgoToolkit.RevitAddins.Assists;

public class EPPlusHelper //公式计算最后需要调用Calculate()
{
    /// <summary>
    ///     DataTable导出为Excel
    /// </summary>
    /// <param name="destFileName"></param>
    /// <param name="dt"></param>
    public static void DataTableToExcel(DataTable dt, string destFileName)
    {
        FileInfo fi = new(destFileName);
        using ExcelPackage package = new(fi);
        try
        {
            var workSheet = package.Workbook.Worksheets.Add(dt.TableName);
            workSheet.Cells["A1"].LoadFromDataTable(dt, true);
        }
        catch (Exception)
        {
            // ignored
        }
        finally
        {
            package.Save();
        }
    }

    /// <summary>
    ///     给第一个表中的单元格赋值
    /// </summary>
    /// <param name="fileName"></param>
    /// <param name="rowNum"></param>
    /// <param name="columnNum"></param>
    /// <param name="value"></param>
    public static void EditCellValue(string fileName, int rowNum, int columnNum, string value)
    {
        FileInfo fi = new(fileName);
        using ExcelPackage package = new(fi);
        //ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
        var sheet = package.Workbook.Worksheets[0];
        //string filename = System.IO.Path.GetFileNameWithoutExtension(fileName);
        sheet.Cells[rowNum, columnNum].Value = value;
        package.Save();
    }

    /// <summary>
    ///     工作表转换为DataTable,首行为表头
    /// </summary>
    /// <param name="worksheet">行列索引从1开始</param>
    /// <returns></returns>
    public static DataTable ExcelSheetToDataTable(ExcelWorksheet worksheet)
    {
        if (worksheet == null)
        {
            return null;
        }

        //获取worksheet的行数
        var rows = worksheet.Dimension.End.Row;
        //获取worksheet的列数
        var cols = worksheet.Dimension.End.Column;

        DataTable dt = new(worksheet.Name);
        DataRow dr = null;
        for (var i = 1; i <= rows; i++)
        {
            if (i > 1)
            {
                dr = dt.Rows.Add();
            }

            for (var j = 1; j <= cols; j++)
            {
                //默认将第一行设置为datatable的标题
                var value = worksheet.Cells[i, j].Value;
                if (i == 1)
                {
                    dt.Columns.Add(value == null ? $"标题{i}" : value.ToString());
                }
                //剩下的写入datatable
                else
                {
                    dr[j - 1] = value == null ? string.Empty : value.ToString();
                }
            }
        }

        return dt;
    }

    /// <summary>
    ///     工作表转换为DataTable
    /// </summary>
    /// <param name="fileName"></param>
    /// <param name="sheetName"></param>
    /// <returns></returns>
    public static DataTable ExcelSheetToDataTable(string fileName, string sheetName)
    {
        FileInfo fi = new(fileName);
        ExcelPackage p = new(fi);
        var workbook = p.Workbook;
        var worksheet = workbook.Worksheets[sheetName];
        return ExcelSheetToDataTable(worksheet);
    }

    /// <summary>
    /// 获取工作表
    /// </summary>
    /// <param name="excelFilePath"></param>
    /// <param name="sheetName"></param>
    /// <returns></returns>
    /// <exception cref="Exception"></exception>
    public static ExcelWorksheet GetExcelWorksheet(string excelFilePath, string sheetName)
    {
        var excelworkbook = new FileInfo(excelFilePath);
        using var p = new ExcelPackage(excelworkbook);
        var ws = p.Workbook.Worksheets[sheetName];
        return ws ?? throw new Exception("工作表不存在。");
    }

    /// <summary>
    ///     读取Excel所有表
    /// </summary>
    /// <param name="filePath"></param>
    public void ReadExcel(string filePath)
    {
        using ExcelPackage package = new(new FileStream(filePath, FileMode.Open));
        for (var i = 1; i <= package.Workbook.Worksheets.Count; ++i)
        {
            var sheet = package.Workbook.Worksheets[i];
            for (int j = sheet.Dimension.Start.Column, k = sheet.Dimension.End.Column; j <= k; j++)
            {
                for (int m = sheet.Dimension.Start.Row, n = sheet.Dimension.End.Row; m <= n; m++)
                {
                    //string str = GetValue(sheet, m, j);
                    //if (str != null)
                    //{
                    //    // do something
                    //}
                }
            }
        }
    }

    /// <summary>
    /// 设置单元格的值
    /// </summary>
    /// <param name="sheet"></param>
    /// <param name="rowNum">1开始</param>
    /// <param name="columnNum">1开始</param>
    /// <param name="value"></param>
    public static void SetCellValue(ExcelWorksheet sheet, int rowNum, int columnNum, string value)
    {
        //sheet.Cells[rowNum, ColumnNum].Value = value;
        sheet.SetValue(rowNum, columnNum, value);
    }

    /// <summary>
    /// 通过单元格名设置值
    /// </summary>
    /// <param name="sheet"></param>
    /// <param name="cellName"></param>
    /// <param name="value"></param>
    public static void SetCellValue(ExcelWorksheet sheet, string cellName, string value)
    {
        sheet.Cells[cellName].Value = value;
    }

    /// <summary>
    ///     给工作表中的单元格赋值
    /// </summary>
    /// <param name="fileName"></param>
    /// <param name="sheetname"></param>
    /// <param name="rowNum"></param>
    /// <param name="columnNum"></param>
    /// <param name="value"></param>
    public static void SetCellValue(string fileName, string sheetname, int rowNum, int columnNum, string value)
    {
        FileInfo fi = new(fileName);
        using ExcelPackage package = new(fi);
        //ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
        var sheet = package.Workbook.Worksheets[sheetname];
        //string filename = System.IO.Path.GetFileNameWithoutExtension(fileName);
        sheet.SetValue(rowNum, columnNum, value);
        package.Save();
    }

    /// <summary>
    ///     给工作表中的单元格赋值
    /// </summary>
    /// <param name="fileName"></param>
    /// <param name="sheetname"></param>
    /// <param name="cellName">单元格名称，比如A1</param>
    /// <param name="value"></param>
    public static void SetCellValue(string fileName, string sheetname, string cellName, string value)
    {
        FileInfo fi = new(fileName);
        using ExcelPackage package = new(fi);
        //ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
        var sheet = package.Workbook.Worksheets[sheetname];
        //string filename = System.IO.Path.GetFileNameWithoutExtension(fileName);
        sheet.Cells[cellName].Value = value;
        package.Save();
    }

    /// <summary>
    ///     给工作表中的单元格赋值
    /// </summary>
    /// <param name="fileName"></param>
    /// <param name="index">表索引，0开始</param>
    /// <param name="cellName">单元格名称，如A1</param>
    /// <param name="value"></param>
    public static void SetCellValue(string fileName, int index, string cellName, string value)
    {
        FileInfo fi = new(fileName);
        using ExcelPackage package = new(fi);
        //ExcelPackage.LicenseContext = LicenseContext.NonCommercial;
        var sheet = package.Workbook.Worksheets[index];
        //string filename = System.IO.Path.GetFileNameWithoutExtension(fileName);
        sheet.Cells[cellName].Value = value;
        package.Save();
    }

    /// <summary>
    /// 设置样式
    /// </summary>
    /// <param name="sheet"></param>
    /// <param name="fromRow"></param>
    /// <param name="fromCol"></param>
    /// <param name="toRow"></param>
    /// <param name="toCol"></param>
    public static void SetStyle(ExcelWorksheet sheet, int fromRow, int fromCol, int toRow, int toCol)
    {
        using var range = sheet.Cells[fromRow, fromCol, toRow, toCol];
        //range.Style.Font.Name = "微软雅黑";
        range.Style.HorizontalAlignment = ExcelHorizontalAlignment.Center;
        range.Style.Font.Size = 12;
        range.Style.Border.Top.Style = ExcelBorderStyle.Thin;
        range.Style.Border.Bottom.Style = ExcelBorderStyle.Thin;
        range.Style.Border.Left.Style = ExcelBorderStyle.Thin;
        range.Style.Border.Right.Style = ExcelBorderStyle.Thin;
        //range.Style.SetBackgroundColor(System.Drawing.SelectedColor.FromArgb(142, 169, 219));
    }

    /// <summary>
    /// 设置表头样式
    /// </summary>
    /// <param name="sheet"></param>
    /// <param name="fromRow"></param>
    /// <param name="fromCol"></param>
    /// <param name="toRow"></param>
    /// <param name="toCol"></param>
    public static void SetTitle(ExcelWorksheet sheet, int fromRow, int fromCol, int toRow, int toCol)
    {
        using var range = sheet.Cells[fromRow, fromCol, toRow, toCol];
        range.Style.Font.Name = "微软雅黑";
        range.Style.HorizontalAlignment = ExcelHorizontalAlignment.Center;
        range.Style.Font.Size = 14;
        range.Style.Font.Bold = true;
        range.Style.Border.Top.Style = ExcelBorderStyle.Thin;
        range.Style.Border.Bottom.Style = ExcelBorderStyle.Thin;
        range.Style.Border.Left.Style = ExcelBorderStyle.Thin;
        range.Style.Border.Right.Style = ExcelBorderStyle.Thin;
        //range.SetBackgroundColor(System.Drawing.SelectedColor.FromArgb(142, 169, 219));
    }

    /// <summary>
    ///     创建Excel文件添加Excel表格
    /// </summary>
    /// <param name="filePath"></param>
    /// <param name="sheetName"></param>
    /// <param name="action"></param>
    public static void WriteExcel(string filePath, string sheetName, Action<ExcelPackage> action)
    {
        using ExcelPackage package = new();
        var sheet = package.Workbook.Worksheets.Add(sheetName);

        using Stream stream = new FileStream(filePath, FileMode.Create);
        action(package);
        package.SaveAs(stream);
    }

    /// <summary>
    /// 写入Excel
    /// </summary>
    /// <param name="filePath"></param>
    /// <param name="action"></param>
    public static void WriteExcel(string filePath, Action<ExcelPackage> action)
    {
        var fileInfo = new FileInfo(filePath);
        if (fileInfo.Exists)
        {
            try
            {
                fileInfo.Delete();
            }
            catch (IOException)
            {
                throw new IOException("文件正在使用");
            }
            using ExcelPackage package = new(fileInfo);
            action(package);
            package.Save();
        }
        else
        {
            using ExcelPackage package = new(fileInfo);
            action(package);
            package.Save();
            //throw new ArgumentNullException();
        }
    }
}