常用类-Excel-使用Aspose.Cells插件

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Xml;
using System.Data;
using System.IO;
using System.Data.OleDb;
using Aspose.Cells;
using System.Reflection;

namespace Utils
{
    /// <summary>
    /// 解析Excel文件
    /// </summary>
    public class ExcelUitl
    {
        public static DataSet ExcelToDS(string Path)
        {
            DataSet ds = new DataSet();

            Workbook workbook = new Workbook();
            workbook.Open(Path);
            Cells cells = workbook.Worksheets[0].Cells;
            DataTable dt = cells.ExportDataTableAsString(0, 0, cells.MaxDataRow + 1, cells.MaxDataColumn + 1, true);
            ds.Tables.Add(dt);
            return ds;
        }
        public static DataSet ExcelToDS(string Path, string sheetName)
        {
            DataSet ds = new DataSet();

            Workbook workbook = new Workbook();
            workbook.Open(Path);

            Worksheet sheet = workbook.Worksheets[sheetName];
            if (sheet == null)
            {
                return null;
            }
            Cells cells = sheet.Cells;
            DataTable dt = cells.ExportDataTableAsString(0, 0, cells.MaxDataRow + 1, cells.MaxDataColumn + 1, true);
            ds.Tables.Add(dt);
            return ds;
        }
        public static DataSet GetTableList(string Path)
        {
            DataSet ds = new DataSet();

            Workbook workbook = new Workbook();
            workbook.Open(Path);
            if (workbook.Worksheets != null)
            {
                foreach (Worksheet sheet in workbook.Worksheets)
                {
                    Cells cells = sheet.Cells;

                    DataTable dt = cells.ExportDataTableAsString(0, 0, cells.MaxDataRow + 1, cells.MaxDataColumn + 1, true);
                    dt.TableName = sheet.Name;
                    ds.Tables.Add(dt);
                }
            }
            return ds;
        }

        /// <summary> 
        /// </summary>
        /// <param name="tablelist"></param>
        /// <param name="path"></param>
        /// <param name="error"></param>
        public static void ImportAndZip(List<DataTable> tablelist, string excelFilePath)
        {
            Workbook workbook = new Workbook();
            int sheetIndex = 0;

            string dir = excelFilePath.Replace(Path.GetFileName(excelFilePath), "");
            string txtdir = Path.Combine(dir, "sco");
            if (!Directory.Exists(txtdir))
            {
                Directory.CreateDirectory(txtdir);
            }

            DataTable error = new DataTable();
            error.TableName = "导出情况表";
            error.Columns.Add(new DataColumn()
            {
                ColumnName = "错误工作簿名称",
            });
            error.Columns.Add(new DataColumn()
            {
                ColumnName = "错误工作簿行",
            });
            error.Columns.Add(new DataColumn()
            {
                ColumnName = "错误工作簿列名",
            });
            error.Columns.Add(new DataColumn()
            {
                ColumnName = "错误原因",
            });
            error.Columns.Add(new DataColumn()
            {
                ColumnName = "导入路径",
            });

            foreach (DataTable table in tablelist)
            {
                Worksheet sheet = null;
                if (sheetIndex == 0)
                {
                    sheet = workbook.Worksheets[sheetIndex];
                    sheet.Name = table.TableName;
                }
                else
                {
                    sheet = workbook.Worksheets.Add(table.TableName);
                }

                //标题
                int indexX = 0, indexY = 0;
                foreach (DataColumn column in table.Columns)
                {
                    sheet.Cells[indexX, indexY].PutValue(column.ColumnName);
                    indexY++;
                }

                int Colnum = table.Columns.Count;//表格列数 
                int Rownum = table.Rows.Count;//表格行数 

                //生成数据行 
                for (int i = 0; i < Rownum; i++)
                {
                    for (int k = 0; k < Colnum; k++)
                    {
                        try
                        {
                            //单元格最大存 32k内容
                            sheet.Cells[1 + i, k].PutValue(table.Rows[i][k].ToString()); //添加数据
                        }
                        catch (Exception ex)
                        {
                            string message = "";
                            string txtName = table.TableName + "_" + i + ".txt";
                            string txtPath = "";
                            if (ex.Message.ToString().Contains("MS Excel only allows to put a string shorter than 32K to a Cell"))
                            {
                                message = "单元格数据大于32K不能写入excel";
                                //将内容写入txt
                                File.WriteAllText(Path.Combine(txtdir, txtName), table.Rows[i][k].ToString());
                                txtPath = "sco/" + txtName;
                            }
                            else
                            {
                                message = ex.Message.ToString();
                            }

                            //sun： 当数据太大。我们不导入excel,将文本导入txt,路径路径
                            error.Rows.Add(new object[] { sheet.Name, i, table.Columns[k].ColumnName, message, txtPath });
                        }
                    }
                }
                SetHeaderStyle(sheet);

                //sheet个数
                sheetIndex++;
            }


            //将错误信息表也写入excel
            Worksheet errrsheet = workbook.Worksheets.Add(error.TableName);
            for (int i = 0; i < error.Columns.Count; i++)
            {
                errrsheet.Cells[0, i].PutValue(error.Columns[i].ColumnName);
            }
            //foreach (DataColumn column in error.Columns)
            //{
            //    errrsheet.Cells[0, 0].PutValue(column.ColumnName);
            //}
            int eColnum = error.Columns.Count;//表格列数 
            int eRownum = error.Rows.Count;//表格行数 
            for (int i = 0; i < eRownum; i++)
            {
                for (int k = 0; k < eColnum; k++)
                {
                    errrsheet.Cells[1 + i, k].PutValue(error.Rows[i][k].ToString()); //添加数据
                }
            }
            SetHeaderStyle(errrsheet);

            workbook.Save(excelFilePath);
        }

        /// <summary>
        /// 创建excel
        /// </summary>
        /// <param name="tablelist"></param>
        /// <param name="path"></param>
        public static void CreateExcel(List<DataTable> tablelist, string path)
        {
            Workbook workbook = new Workbook();
            int sheetIndex = 0;
            foreach (DataTable table in tablelist)
            {
                Worksheet sheet = null;
                if (sheetIndex == 0)
                {
                    sheet = workbook.Worksheets[sheetIndex];
                    sheet.Name = table.TableName;
                }
                else
                {
                    sheet = workbook.Worksheets.Add(table.TableName);
                }

                //标题
                int indexX = 0, indexY = 0;
                foreach (DataColumn column in table.Columns)
                {
                    sheet.Cells[indexX, indexY].PutValue(column.ColumnName);
                    indexY++;
                }

                int Colnum = table.Columns.Count;//表格列数 
                int Rownum = table.Rows.Count;//表格行数 

                //生成数据行 
                for (int i = 0; i < Rownum; i++)
                {
                    for (int k = 0; k < Colnum; k++)
                    {
                        try
                        {
                            //单元格最大存 32k内容
                            sheet.Cells[1 + i, k].PutValue(table.Rows[i][k].ToString()); //添加数据

                        }
                        catch (Exception ex)
                        {
                            //sun： 当数据太大。我们不导入

                        }
                    }
                }
                SetHeaderStyle(sheet);

                //sheet个数
                sheetIndex++;
            }

            workbook.Save(path);
        }
        public static void SetHeaderStyle(Worksheet sheet)
        {
            #region header style
            Style style = new Style();
            style.Font.IsBold = true;
            style.Font.Size = 12;
            StyleFlag styleFlag = new StyleFlag
            {
                FontBold = true,
                FontSize = true,
            };
            sheet.Cells.ApplyRowStyle(0, style, styleFlag);
            sheet.AutoFitColumns();

            #endregion
        }

        public static void SetBodyStyle(Worksheet sheet, int column)
        {
            #region header style
            Style style = new Style();
            style.Font.IsBold = false;
            style.Font.Size = 11;
            StyleFlag styleFlag = new StyleFlag
            {
                FontBold = true,
                FontSize = true
            };
            sheet.Cells.ApplyColumnStyle(column, style, styleFlag);
            sheet.AutoFitColumns();


            #endregion
        }
    }




}