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132 lines
5.1 KiB
132 lines
5.1 KiB
using Aspose.Cells;
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using System;
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using System.Collections.Generic;
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using System.ComponentModel;
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using System.Data;
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using System.IO;
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using System.Linq;
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using System.Reflection;
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using System.Runtime.Serialization;
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using System.Runtime.Serialization.Formatters.Binary;
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using System.Text;
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using System.Web;
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namespace Utils.Datas
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{
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/// <summary>
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/// Excel操作帮助类 （引用程序集Aspose.Cells.dll）
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/// </summary>
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public class ExcelHelper
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{
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/// <summary>
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/// 读取指定路径的Excel文件为DataTable
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/// </summary>
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/// <param name="fileName">文件全路径</param>
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/// <param name="firstRow">要开始读取的第一行在Excel中的行索引（默认会以此行各列数据作为DataTable的列名）</param>
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/// <param name="firstColumn">要开始读取的第一列在Excel中的列索引</param>
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/// <param name="invalidEndRowNumber">文件尾部无效行数目（该部分所有行数据将不会被读取）</param>
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/// <returns>返回DataSet</returns>
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public static DataSet ReadExcel(string fileName, int firstRow = 0, int firstColumn = 0, int invalidEndRowNumber = 0)
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{
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DataSet ds = new DataSet();
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try {
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if (string.IsNullOrEmpty(fileName) || !System.IO.File.Exists(fileName)) {
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return null;
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}
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//new Aspose.Cells.License().SetLicense(AsposeHelper.LStream);
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Cells cells;
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Workbook workbook = new Workbook(fileName);
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foreach (Worksheet worksheet in workbook.Worksheets) {
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cells = worksheet.Cells;//取Sheet读取
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if (cells == null) {
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return null;
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}
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try {
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DataTable dt = cells.ExportDataTable(firstRow, firstColumn, cells.MaxDataRow + 1, cells.MaxDataColumn + 1, true);
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dt.TableName = worksheet.Name;//取Sheet的名字作为表名
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if (dt != null && dt.Rows.Count > 0) {
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ds.Tables.Add(dt);
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}
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} catch (Exception e) {
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LogUtil.LogError("读取Excel内容失败：worksheet.Name" + worksheet.Name + " " + e.Message);
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}
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}
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} catch (Exception ex) {
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LogUtil.LogError("读取Excel内容失败：" + ex.Message);
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}
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return ds;
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}
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/// <summary>
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/// 将DataTable导出指定路径的Excel文件
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/// </summary>
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/// <param name="dt">DataTable</param>
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/// <param name="tableName">Excel文件的表头内容</param>
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/// <param name="path">文件保存的全路径</param>
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public static void ExportExcel(DataTable dt, string headerText, string path)
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{
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Workbook workbook = new Workbook(); //工作簿
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Worksheet sheet = workbook.Worksheets[0]; //工作表
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Cells cells = sheet.Cells;//单元格
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//为标题设置样式
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Style styleTitle = workbook.Styles[workbook.Styles.Add()];//新增样式
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styleTitle.HorizontalAlignment = TextAlignmentType.Center;//文字居中
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styleTitle.Font.Name = "宋体";//文字字体
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styleTitle.Font.Size = 18;//文字大小
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styleTitle.Font.IsBold = true;//粗体
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//样式2
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Style style2 = workbook.Styles[workbook.Styles.Add()];//新增样式
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style2.HorizontalAlignment = TextAlignmentType.Center;//文字居中
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style2.Font.Name = "宋体";//文字字体
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style2.Font.Size = 14;//文字大小
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style2.Font.IsBold = true;//粗体
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style2.IsTextWrapped = true;//单元格内容自动换行
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style2.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Thin;
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style2.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;
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style2.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thin;
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style2.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin;
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//样式3
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Style style3 = workbook.Styles[workbook.Styles.Add()];//新增样式
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style3.HorizontalAlignment = TextAlignmentType.Center;//文字居中
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style3.Font.Name = "宋体";//文字字体
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style3.Font.Size = 12;//文字大小
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style3.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Thin;
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style3.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;
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style3.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thin;
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style3.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin;
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int Colnum = dt.Columns.Count;//表格列数
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int Rownum = dt.Rows.Count;//表格行数
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//生成行1 标题行
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cells.Merge(0, 0, 1, Colnum);//合并单元格
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cells[0, 0].PutValue(headerText);//填写内容
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cells[0, 0].SetStyle(styleTitle);
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cells.SetRowHeight(0, 38);
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//生成行2 列名行
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for (int i = 0; i < Colnum; i++) {
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cells[1, i].PutValue(dt.Columns[i].ColumnName);
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cells[1, i].SetStyle(style2);
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cells.SetRowHeight(1, 25);
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}
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//生成数据行
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for (int i = 0; i < Rownum; i++) {
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for (int k = 0; k < Colnum; k++) {
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cells[2 + i, k].PutValue(dt.Rows[i][k].ToString());
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cells[2 + i, k].SetStyle(style3);
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}
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cells.SetRowHeight(2 + i, 24);
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}
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workbook.Save(path);
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}
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}
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}
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