1311 lines
56 KiB
C#
1311 lines
56 KiB
C#
using NPOI.HSSF.UserModel;
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using NPOI.HSSF.Util;
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using NPOI.SS.UserModel;
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using NPOI.SS.Util;
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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.Reflection;
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using System.Text;
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using System.Web;
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using WX.CRM.Common;
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namespace WX.CRM.WebHelper
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{
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public class ExcelHelper
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{
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#region 只有一列的数据导出Excel
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public static Stream ExportListObjectToExcel<T>(List<T> obj, string fieldName, string sheetName, DataFormart func)
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{
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HSSFWorkbook workbook = new HSSFWorkbook();
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MemoryStream ms = new MemoryStream();
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// handling header.
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// handling value.
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int sheetSize = 65535;
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int sheetCout = (obj.Count / sheetSize) + 1;//获取一个工作簿中多少页
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for (int i = 0; i < sheetCout; i++)
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{
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ISheet sheet = workbook.CreateSheet(sheetName + (i + 1));
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IRow headerRow = sheet.CreateRow(0);
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headerRow.CreateCell(0).SetCellValue(fieldName);
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int rowIndex = 1;
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int mcount = (i + 1) * sheetSize > obj.Count ? obj.Count : (i + 1) * sheetSize;
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for (int m = (i * sheetSize); m < mcount; m++)
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{
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IRow dataRow = sheet.CreateRow(rowIndex);
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dataRow.CreateCell(0).SetCellValue(string.Format("{0}", obj[m]));
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rowIndex++;
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}
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}
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//foreach (object row in obj)
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//{
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// IRow dataRow = sheet.CreateRow(rowIndex);
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// dataRow.CreateCell(0).SetCellValue(string.Format("{0}", row));
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// rowIndex++;
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//}
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workbook.Write(ms);
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ms.Flush();
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ms.Position = 0;
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workbook = null;
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return ms;
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}
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#endregion
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#region List反射导出Excel
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/// <summary>
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/// List反射导出Excel
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="listModel">实体列表</param>
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/// <param name="sheetName">工作表名称</param>
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/// <param name="sheetSize">一个工作簿的数据量（不能超过65536）</param>
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/// <returns>返回一个流</returns>
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public static Stream ExportListModelToExcel<T>(List<T> listModel, string sheetName, int sheetSize, DataFormart func)
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{
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HSSFWorkbook workbook = new HSSFWorkbook();
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MemoryStream ms = new MemoryStream();
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string columnName = string.Empty;
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int x = 0;
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DisplayNameAttribute attribute = null;
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if (sheetSize > 65536)
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sheetSize = 65536;
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int sheetCout = (listModel.Count / sheetSize) + 1;//获取一个工作簿中多少页
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for (int i = 0; i < sheetCout; i++)
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{
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ISheet sheet = workbook.CreateSheet(sheetName + (i + 1));
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IRow headerRow = sheet.CreateRow(0);
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// 设置表头.
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x = 0;
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foreach (PropertyInfo info in typeof(T).GetProperties())
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{
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attribute = (DisplayNameAttribute)Attribute.GetCustomAttribute(info, typeof(DisplayNameAttribute));
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headerRow.CreateCell(x).SetCellValue(attribute == null ? info.Name : attribute.DisplayName);//获取类中的DisplayName属性
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x++;
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}
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// 绑定值
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int rowIndex = 1;
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int mcount = (i + 1) * sheetSize > listModel.Count ? listModel.Count : (i + 1) * sheetSize;
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for (int m = (i * sheetSize); m < mcount; m++)
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{
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x = 0;
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IRow dataRow = sheet.CreateRow(rowIndex);
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foreach (PropertyInfo column in listModel[m].GetType().GetProperties())
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{
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//dataRow.CreateCell(x).SetCellValue(string.Format("{0}", column.GetValue(listModel[m], null)));
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if (func == null)
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{
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//dataRow.CreateCell(x).SetCellValue(string.Format("{0}", column.GetValue(listModel[m], null)));
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ICell icell = dataRow.CreateCell(x);
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ICellValeSet(column.PropertyType.FullName, string.Format("{0}", column.GetValue(listModel[m], null)), icell);
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}
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else
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dataRow.CreateCell(x).SetCellValue(func(column.Name, column.GetValue(listModel[m], null)));//委托处理
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x++;
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}
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rowIndex++;
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}
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}
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workbook.Write(ms);
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ms.Flush();
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ms.Position = 0;
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workbook = null;
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return ms;
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}
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#endregion
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#region List反射导出Excel（根据已经选择的字段）
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public delegate string DataFormart(string key, object value);
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private static string entrySpace = "WX.CRM.Model.Entity";//嵌套实体的命名空间
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/// <summary>
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/// List反射导出Excel（根据以选择的字段）
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="listModel">实体列表</param>
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/// <param name="sheetName">工作表名称</param>
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/// <param name="sheetSize">一个工作簿的数据量（不能超过65536）</param>
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/// <param name="checkedFilds">已经选择的字段</param>
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/// <returns>返回一个流</returns>
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public static Stream ExportListModelToExcel<T>(List<T> listModel, string sheetName, int sheetSize, string checkedFilds, DataFormart func)
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{
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checkedFilds = checkedFilds.ToUpper();
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HSSFWorkbook workbook = new HSSFWorkbook();
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MemoryStream ms = new MemoryStream();
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string columnName = string.Empty;
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int x = 0;
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DisplayNameAttribute attribute = null;
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if (sheetSize > 65536)
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sheetSize = 65536;
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int sheetCout = (listModel.Count / sheetSize) + 1;//获取一个工作簿中多少页
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for (int i = 0; i < sheetCout; i++)
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{
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ISheet sheet = workbook.CreateSheet(sheetName + (i + 1));
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IRow headerRow = sheet.CreateRow(0);
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// 设置表头.
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x = 0;
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foreach (PropertyInfo info in typeof(T).GetProperties())
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{
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if (info.PropertyType.FullName.IndexOf(entrySpace) > -1)//判断该字段是否为model里面的模型对象
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{
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foreach (PropertyInfo childInfo in info.PropertyType.GetProperties())
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{
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if (checkedFilds.IndexOf("[" + childInfo.Name.ToUpper() + "]") == -1)//如果没有选中该字段跳出这个继续
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continue;
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attribute = (DisplayNameAttribute)Attribute.GetCustomAttribute(childInfo, typeof(DisplayNameAttribute));
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headerRow.CreateCell(x).SetCellValue(attribute == null ? childInfo.Name : attribute.DisplayName);//获取类中的DisplayName属性
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x++;
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}
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}
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else
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{
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if (checkedFilds.IndexOf("[" + info.Name.ToUpper() + "]") == -1)//如果没有选中该字段跳出这个继续
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continue;
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attribute = (DisplayNameAttribute)Attribute.GetCustomAttribute(info, typeof(DisplayNameAttribute));
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headerRow.CreateCell(x).SetCellValue(attribute == null ? info.Name : attribute.DisplayName);//获取类中的DisplayName属性
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x++;
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}
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}
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// 绑定值
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int rowIndex = 1;
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int mcount = (i + 1) * sheetSize > listModel.Count ? listModel.Count : (i + 1) * sheetSize;
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for (int m = (i * sheetSize); m < mcount; m++)
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{
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x = 0;
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IRow dataRow = sheet.CreateRow(rowIndex);
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foreach (PropertyInfo column in listModel[m].GetType().GetProperties())
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{
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if (column.PropertyType.FullName.IndexOf(entrySpace) > -1)//判断该字段是否为model里面的模型对象
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{
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foreach (PropertyInfo childColumn in column.PropertyType.GetProperties())
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{
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if (checkedFilds.IndexOf("[" + childColumn.Name.ToUpper() + "]") == -1)//如果没有选中该字段跳出这个继续
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continue;
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if (func == null)
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{
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ICell icell = dataRow.CreateCell(x);
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ICellValeSet(childColumn.PropertyType.FullName, string.Format("{0}", childColumn.GetValue(column.GetValue(listModel[m], null), null)), icell);
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}
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else
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dataRow.CreateCell(x).SetCellValue(func(childColumn.Name, childColumn.GetValue(column.GetValue(listModel[m], null), null)));//委托处理
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x++;
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}
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}
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else
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{
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if (checkedFilds.IndexOf("[" + column.Name.ToUpper() + "]") == -1)//如果没有选中该字段跳出这个继续
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continue;
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if (func == null)
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{
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ICell icell = dataRow.CreateCell(x);
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ICellValeSet(column.PropertyType.FullName, string.Format("{0}", column.GetValue(listModel[m], null)), icell);
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}
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else
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dataRow.CreateCell(x).SetCellValue(func(column.Name, column.GetValue(listModel[m], null)));//委托处理
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x++;
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}
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}
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rowIndex++;
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}
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}
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workbook.Write(ms);
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ms.Flush();
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ms.Position = 0;
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workbook = null;
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return ms;
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}
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/// <summary>
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/// List反射导出Excel（根据以选择的字段，顺序按照checkedFilds顺序，类型按照数据类型）
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="listModel">实体列表</param>
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/// <param name="sheetName">工作表名称</param>
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/// <param name="sheetSize">一个工作簿的数据量（不能超过65536）</param>
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/// <param name="checkedFilds">已经选择的字段</param>
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/// <param name="checkedTtile">已经选择的字段 中文名称</param>
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/// <returns>返回一个流</returns>
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public static Stream ExportListModelToExcel<T>(List<T> listModel, string sheetName, int sheetSize, string checkedFilds, string checkedTtile, DataFormart func)
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{
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checkedFilds = checkedFilds.ToUpper();
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HSSFWorkbook workbook = new HSSFWorkbook();
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MemoryStream ms = new MemoryStream();
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string columnName = string.Empty;
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int x = 0;
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if (sheetSize > 65536)
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sheetSize = 65536;
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int sheetCout = (listModel.Count / sheetSize) + 1;//获取一个工作簿中多少页
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Dictionary<string, string> fildAndTitle = new Dictionary<string, string>();//存储字段和中文标题
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string[] dataTitle = checkedTtile.Split(',');
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checkedFilds = checkedFilds.Replace("[", "");
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checkedFilds = checkedFilds.Length > 0 ? checkedFilds.Substring(0, checkedFilds.Length - 1) : checkedFilds;
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string[] dataFilds = checkedFilds.Split(']');
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try
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{
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for (int i = 0; i < dataFilds.Length; i++)
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{
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string fild = dataFilds[i].Trim();
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string title = dataTitle[i].Trim();
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if (fild != "")
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{
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fildAndTitle.Add(fild, title);
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}
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}
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//--------------------------------先获取所有数据----------------------------------------
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List<Dictionary<string, ExcelCell>> allData = new List<Dictionary<string, ExcelCell>>();
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ExcelCell cell = null;
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string filedName = string.Empty;
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for (int i = 0; i < listModel.Count; i++)
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{
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Dictionary<string, ExcelCell> row = new Dictionary<string, ExcelCell>();
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foreach (PropertyInfo column in listModel[i].GetType().GetProperties())
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{
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if (column.PropertyType.FullName.IndexOf(entrySpace) > -1)//判断该字段是否为model里面的模型对象
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{
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foreach (PropertyInfo childColumn in column.PropertyType.GetProperties())
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{
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filedName = childColumn.Name.ToUpper();
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if (!fildAndTitle.ContainsKey(filedName))//如果没有选中该字段跳出这个继续
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continue;
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cell = new ExcelCell();
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if (func == null)
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cell.nvalue = string.Format("{0}", childColumn.GetValue(column.GetValue(listModel[i], null), null));
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else
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cell.nvalue = func(childColumn.Name, childColumn.GetValue(column.GetValue(listModel[i], null), null));//委托处理
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cell.type = childColumn.PropertyType.FullName;
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cell.fild = filedName;
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cell.title = fildAndTitle[filedName];
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if (row.ContainsKey(filedName))
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continue;
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row.Add(childColumn.Name.ToUpper(), cell);
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}
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}
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else
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{
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filedName = column.Name.ToUpper();
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if (!fildAndTitle.ContainsKey(filedName))//如果没有选中该字段跳出这个继续
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continue;
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cell = new ExcelCell();
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if (func == null)
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cell.nvalue = string.Format("{0}", column.GetValue(listModel[i], null));
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else
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cell.nvalue = func(column.Name, column.GetValue(listModel[i], null));//委托处理
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cell.type = column.PropertyType.FullName;
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cell.fild = filedName;
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cell.title = fildAndTitle[filedName];
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if (row.ContainsKey(filedName))
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continue;
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row.Add(filedName, cell);
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}
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}
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allData.Add(row);
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}
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//-----------------------------------end---------------------------------------
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//-----------------------------------生成excel---------------------------------
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//ICellStyle dateStyle = Getcellstyle(workbook, stylexls.时间);
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//ICellStyle numberStyle = Getcellstyle(workbook, stylexls.数字);
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for (int i = 0; i < sheetCout; i++)
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{
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ISheet sheet = workbook.CreateSheet(sheetName + (i + 1));
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IRow headerRow = sheet.CreateRow(0);
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// 设置表头.
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x = 0;
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foreach (string title in dataTitle)
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{
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headerRow.CreateCell(x).SetCellValue(title);
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x++;
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}
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// 绑定值
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int rowIndex = 1;
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int mcount = (i + 1) * sheetSize > listModel.Count ? listModel.Count : (i + 1) * sheetSize;
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for (int m = (i * sheetSize); m < mcount; m++)
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{
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x = 0;
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IRow dataRow = sheet.CreateRow(rowIndex);
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Dictionary<string, ExcelCell> row = allData[m];
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foreach (string fild in dataFilds)
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{
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cell = row[fild];
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ICell icell = dataRow.CreateCell(x);
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//icell.CellStyle = Getcellstyle(workbook, GetCellType(cell.type));
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//if (cell.type.IndexOf("System.Demail") > -1 || cell.type.IndexOf("System.Int") > -1)
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//{
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// Double doub;
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// if (Double.TryParse(cell.nvalue, out doub))
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// {
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// icell.CellStyle = numberStyle;
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// }
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// icell.SetCellValue(cell.nvalue);
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//}
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//else if (cell.type.IndexOf("System.DateTime") > -1)
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//{
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// DateTime dt;
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// if (DateTime.TryParse(cell.nvalue, out dt))
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// {
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// icell.CellStyle = dateStyle;
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// }
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// icell.SetCellValue(cell.nvalue);
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//}
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//else
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ICellValeSet(cell, icell);
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//icell.SetCellValue(cell.nvalue);
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x++;
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}
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rowIndex++;
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}
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}
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}
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catch (Exception ex) { LogHelper.Error("excel导出失败：" + ex.ToString()); }
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workbook.Write(ms);
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ms.Flush();
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ms.Position = 0;
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workbook = null;
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return ms;
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}
|
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private static void ICellValeSet(string dbType, string dbValue, ICell icell)
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{
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switch (GetCellType(dbType))
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{
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case stylexls.数字:
|
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int wovalue = 0;
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if (int.TryParse(dbValue, out wovalue))
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{
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icell.SetCellValue(wovalue);
|
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}
|
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else
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{
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icell.SetCellValue(dbValue);
|
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}
|
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break;
|
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case stylexls.小数:
|
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double dobValue = 0;
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if (double.TryParse(dbValue, out dobValue))
|
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{
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icell.SetCellValue(dobValue);
|
||
}
|
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else
|
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{
|
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icell.SetCellValue(dbValue);
|
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}
|
||
break;
|
||
case stylexls.时间:
|
||
DateTime timeValue;
|
||
if (DateTime.TryParse(dbValue, out timeValue))
|
||
{
|
||
icell.SetCellValue(timeValue.ToString("yyyy/MM/dd HH:mm:ss"));
|
||
}
|
||
else
|
||
{
|
||
icell.SetCellValue("");
|
||
}
|
||
break;
|
||
case stylexls.默认: icell.SetCellValue(dbValue.ToString()); break;
|
||
}
|
||
}
|
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private static void ICellValeSet(ExcelCell cell, ICell icell)
|
||
{
|
||
switch (GetCellType(cell.type))
|
||
{
|
||
case stylexls.数字:
|
||
int wovalue = 0;
|
||
if (int.TryParse(cell.nvalue, out wovalue))
|
||
{
|
||
icell.SetCellValue(wovalue);
|
||
}
|
||
else
|
||
{
|
||
icell.SetCellValue(cell.nvalue);
|
||
}
|
||
break;
|
||
case stylexls.小数:
|
||
double dobValue = 0;
|
||
if (double.TryParse(cell.nvalue, out dobValue))
|
||
{
|
||
icell.SetCellValue(dobValue);
|
||
}
|
||
else
|
||
{
|
||
icell.SetCellValue(cell.nvalue);
|
||
}
|
||
break;
|
||
case stylexls.时间:
|
||
DateTime timeValue;
|
||
if (DateTime.TryParse(cell.nvalue, out timeValue))
|
||
{
|
||
icell.SetCellValue(timeValue.ToString("yyyy/MM/dd HH:mm:ss"));
|
||
}
|
||
else
|
||
{
|
||
icell.SetCellValue("");
|
||
}
|
||
break;
|
||
case stylexls.默认: icell.SetCellValue(cell.nvalue.ToString()); break;
|
||
}
|
||
}
|
||
private static stylexls GetCellType(string fullTypeName)
|
||
{
|
||
if (fullTypeName == null)
|
||
return stylexls.默认;
|
||
if (fullTypeName.IndexOf("System.Decimal") > -1)
|
||
return stylexls.小数;
|
||
if (fullTypeName.IndexOf("System.Int") > -1)
|
||
return stylexls.数字;
|
||
if (fullTypeName.IndexOf("System.DateTime") > -1)
|
||
return stylexls.时间;
|
||
return stylexls.默认;
|
||
}
|
||
#endregion
|
||
|
||
#region 由DataSet导出Excel
|
||
/// <summary>
|
||
/// 由DataSet导出Excel
|
||
/// </summary>
|
||
/// <param name="sourceTable">要导出数据的DataTable</param>
|
||
/// <param name="sheetName">工作表名称</param>
|
||
/// <returns>Excel工作表</returns>
|
||
public static Stream ExportDataSetToExcel(DataSet sourceDs, string sheetName)
|
||
{
|
||
HSSFWorkbook workbook = new HSSFWorkbook();
|
||
MemoryStream ms = new MemoryStream();
|
||
|
||
int sheetSize = 65535;
|
||
int allcount = sourceDs.Tables[0].Rows.Count;
|
||
int sheetCout = (allcount / sheetSize) + 1;//获取一个工作簿中多少页
|
||
//for (int i = 0; i < sheetCout; i++)
|
||
//{
|
||
// ISheet sheet = workbook.CreateSheet(sheetName + (i + 1));
|
||
// IRow headerRow = sheet.CreateRow(0);
|
||
// headerRow.CreateCell(0).SetCellValue(fieldName);
|
||
// int rowIndex = 1;
|
||
// int mcount = (i + 1) * sheetSize > obj.Count ? obj.Count : (i + 1) * sheetSize;
|
||
// for (int m = (i * sheetSize); m < mcount; m++)
|
||
// {
|
||
// IRow dataRow = sheet.CreateRow(rowIndex);
|
||
// dataRow.CreateCell(0).SetCellValue(string.Format("{0}", obj[m]));
|
||
// rowIndex++;
|
||
// }
|
||
//}
|
||
|
||
//string[] sheetNames = sheetName.Split(',');
|
||
for (int i = 0; i < sheetCout; i++)
|
||
{
|
||
ISheet sheet = workbook.CreateSheet(sheetName + (i + 1));
|
||
IRow headerRow = sheet.CreateRow(0);
|
||
// handling header.
|
||
foreach (DataColumn column in sourceDs.Tables[0].Columns)
|
||
headerRow.CreateCell(column.Ordinal).SetCellValue(column.ColumnName);
|
||
// handling value.
|
||
int rowIndex = 1;
|
||
int mcount = (i + 1) * sheetSize > allcount ? allcount : (i + 1) * sheetSize;
|
||
for (int m = (i * sheetSize); m < mcount; m++)
|
||
{
|
||
IRow dataRow = sheet.CreateRow(rowIndex);
|
||
DataRow row = sourceDs.Tables[0].Rows[m];
|
||
foreach (DataColumn column in sourceDs.Tables[0].Columns)
|
||
{
|
||
ICell icell = dataRow.CreateCell(column.Ordinal);
|
||
ICellValeSet(column.DataType.FullName, row[column].ToString(), icell);
|
||
//dataRow.CreateCell(column.Ordinal).SetCellValue(row[column].ToString());
|
||
}
|
||
rowIndex++;
|
||
}
|
||
//foreach (DataRow row in sourceDs.Tables[i].Rows)
|
||
//{
|
||
// IRow dataRow = sheet.CreateRow(rowIndex);
|
||
// foreach (DataColumn column in sourceDs.Tables[i].Columns)
|
||
// {
|
||
// ICell icell = dataRow.CreateCell(column.Ordinal);
|
||
// ICellValeSet(column.DataType.FullName, row[column].ToString(), icell);
|
||
// //dataRow.CreateCell(column.Ordinal).SetCellValue(row[column].ToString());
|
||
// }
|
||
// rowIndex++;
|
||
//}
|
||
}
|
||
workbook.Write(ms);
|
||
ms.Flush();
|
||
ms.Position = 0;
|
||
workbook = null;
|
||
return ms;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 由DataSet导出Excel
|
||
/// </summary>
|
||
/// <param name="sourceTable">要导出数据的DataTable</param>
|
||
/// <param name="fileName">指定Excel工作表名称</param>
|
||
/// <returns>Excel工作表</returns>
|
||
public static void ExportDataSetToExcel(DataSet sourceDs, string fileName, string sheetName)
|
||
{
|
||
|
||
MemoryStream ms = ExportDataSetToExcel(sourceDs, sheetName) as MemoryStream;
|
||
HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + fileName);
|
||
HttpContext.Current.Response.BinaryWrite(ms.ToArray());
|
||
HttpContext.Current.Response.End();
|
||
ms.Close();
|
||
ms = null;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 由DataTable导出Excel
|
||
/// </summary>
|
||
/// <param name="sourceTable">要导出数据的DataTable</param>
|
||
/// <returns>Excel工作表</returns>
|
||
public static Stream ExportDataTableToExcel(DataTable sourceTable, string sheetName)
|
||
{
|
||
HSSFWorkbook workbook = new HSSFWorkbook();
|
||
MemoryStream ms = new MemoryStream();
|
||
ISheet sheet = workbook.CreateSheet(sheetName);
|
||
IRow headerRow = sheet.CreateRow(0);
|
||
// handling header.
|
||
foreach (DataColumn column in sourceTable.Columns)
|
||
headerRow.CreateCell(column.Ordinal).SetCellValue(column.ColumnName);
|
||
// handling value.
|
||
int rowIndex = 1;
|
||
foreach (DataRow row in sourceTable.Rows)
|
||
{
|
||
IRow dataRow = sheet.CreateRow(rowIndex);
|
||
foreach (DataColumn column in sourceTable.Columns)
|
||
{
|
||
ICell icell = dataRow.CreateCell(column.Ordinal);
|
||
ICellValeSet(column.DataType.FullName, row[column].ToString(), icell);
|
||
}
|
||
rowIndex++;
|
||
}
|
||
workbook.Write(ms);
|
||
ms.Flush();
|
||
ms.Position = 0;
|
||
sheet = null;
|
||
headerRow = null;
|
||
workbook = null;
|
||
return ms;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 头部委托函数(可以自己定义重写excle的头部)
|
||
/// </summary>
|
||
/// <param name="key"></param>
|
||
/// <returns></returns>
|
||
public delegate string HeadFormart(string key);
|
||
/// <summary>
|
||
/// datable导出excle
|
||
/// </summary>
|
||
/// <param name="sourceTable">DataTable数据源</param>
|
||
/// <param name="sheetName">工作簿名称</param>
|
||
/// <param name="checkedFilds">被选中的字段</param>
|
||
/// <param name="head">excle头部格式化委托</param>
|
||
/// <param name="func">数据格式委托</param>
|
||
/// <returns></returns>
|
||
public static Stream ExportDataTableToExcel(DataTable sourceTable, string sheetName, string checkedFilds, string checkedTtile, DataFormart func)
|
||
{
|
||
|
||
HSSFWorkbook workbook = new HSSFWorkbook();
|
||
MemoryStream ms = new MemoryStream();
|
||
ISheet sheet = workbook.CreateSheet(sheetName);
|
||
IRow headerRow = sheet.CreateRow(0);
|
||
checkedFilds = checkedFilds.ToLower();
|
||
// handling header.
|
||
checkedFilds = checkedFilds.ToUpper();
|
||
Dictionary<string, string> fildAndTitle = new Dictionary<string, string>();//存储字段和中文标题
|
||
string[] dataTitle = checkedTtile.Split(',');
|
||
checkedFilds = checkedFilds.Replace("[", "");
|
||
checkedFilds = checkedFilds.Length > 0 ? checkedFilds.Substring(0, checkedFilds.Length - 1) : checkedFilds;
|
||
string[] dataFilds = checkedFilds.Split(']');
|
||
int cellIndex = 0;
|
||
try
|
||
{
|
||
for (int i = 0; i < dataFilds.Length; i++)
|
||
{
|
||
string fild = dataFilds[i].Trim();
|
||
string title = dataTitle[i].Trim();
|
||
if (fild != "" && !fildAndTitle.ContainsKey(fild))
|
||
{
|
||
fildAndTitle.Add(fild, title);
|
||
}
|
||
}
|
||
//--------------------------------先获取所有数据----------------------------------------
|
||
List<Dictionary<string, ExcelCell>> allData = new List<Dictionary<string, ExcelCell>>();
|
||
ExcelCell cell = null;
|
||
string filedName = string.Empty;
|
||
for (int i = 0; i < sourceTable.Rows.Count; i++)
|
||
{
|
||
Dictionary<string, ExcelCell> row = new Dictionary<string, ExcelCell>();
|
||
foreach (DataColumn column in sourceTable.Columns)
|
||
{
|
||
filedName = column.ColumnName.ToUpper();
|
||
if (!fildAndTitle.ContainsKey(filedName))//如果没有选中该字段跳出这个继续
|
||
continue;
|
||
cell = new ExcelCell();
|
||
if (func == null)
|
||
cell.nvalue = string.Format("{0}", sourceTable.Rows[i][column].ToString());
|
||
else
|
||
cell.nvalue = func(column.ColumnName, sourceTable.Rows[i][column]);//委托处理
|
||
cell.fild = filedName;
|
||
cell.type = column.DataType.FullName;
|
||
cell.title = fildAndTitle[filedName];
|
||
row.Add(filedName, cell);
|
||
}
|
||
allData.Add(row);
|
||
}
|
||
//-----------------------------------end---------------------------------------
|
||
//---------------------------------设置头部------------------------------------
|
||
foreach (string title in dataTitle)//根据传过来的 标题生成excel标题
|
||
{
|
||
headerRow.CreateCell(cellIndex).SetCellValue(title);
|
||
cellIndex++;
|
||
}
|
||
//----------------------------------end----------------------------------------
|
||
//-------------------------------循环设置数据----------------------------------
|
||
int rowIndex = 1;
|
||
foreach (Dictionary<string, ExcelCell> row in allData)
|
||
{
|
||
cellIndex = 0;
|
||
IRow dataRow = sheet.CreateRow(rowIndex);
|
||
foreach (string fild in dataFilds)
|
||
{
|
||
if (!row.ContainsKey(fild))
|
||
continue;
|
||
cell = row[fild];
|
||
ICell icell = dataRow.CreateCell(cellIndex);
|
||
ICellValeSet(cell, icell);
|
||
//icell.SetCellValue(cell.nvalue);
|
||
cellIndex++;
|
||
}
|
||
rowIndex++;
|
||
}
|
||
}
|
||
catch (Exception ex) { LogHelper.Error("excel导出失败：" + ex.ToString()); }
|
||
//---------------------------------end----------------------------------------
|
||
workbook.Write(ms);
|
||
ms.Flush();
|
||
ms.Position = 0;
|
||
sheet = null;
|
||
headerRow = null;
|
||
workbook = null;
|
||
return ms;
|
||
}
|
||
/// <summary>
|
||
/// datable导出excle
|
||
/// </summary>
|
||
/// <param name="sourceTable">DataTable数据源</param>
|
||
/// <param name="sheetName">工作簿名称</param>
|
||
/// <param name="checkedFilds">被选中的字段</param>
|
||
/// <param name="head">excle头部格式化委托</param>
|
||
/// <param name="func">数据格式委托</param>
|
||
/// <returns></returns>
|
||
public static Stream ExportDataTableToExcel(DataTable sourceTable, string sheetName, string checkedFilds, HeadFormart head, DataFormart func)
|
||
{
|
||
|
||
HSSFWorkbook workbook = new HSSFWorkbook();
|
||
MemoryStream ms = new MemoryStream();
|
||
ISheet sheet = workbook.CreateSheet(sheetName);
|
||
IRow headerRow = sheet.CreateRow(0);
|
||
checkedFilds = checkedFilds.ToLower();
|
||
// handling header.
|
||
int cellIndex = 0;
|
||
foreach (DataColumn column in sourceTable.Columns)
|
||
{
|
||
if (checkedFilds.IndexOf("[" + column.ColumnName.ToLower() + "]") > -1)//字段是否被选择
|
||
{
|
||
if (head != null)
|
||
headerRow.CreateCell(cellIndex).SetCellValue(head(column.ColumnName));
|
||
else
|
||
headerRow.CreateCell(cellIndex).SetCellValue(column.ColumnName);
|
||
cellIndex++;
|
||
}
|
||
}
|
||
// handling value.
|
||
int rowIndex = 1;
|
||
foreach (DataRow row in sourceTable.Rows)
|
||
{
|
||
IRow dataRow = sheet.CreateRow(rowIndex);
|
||
cellIndex = 0;
|
||
foreach (DataColumn column in sourceTable.Columns)
|
||
{
|
||
if (checkedFilds.IndexOf("[" + column.ColumnName.ToLower() + "]") > -1)//字段是否被选择
|
||
{
|
||
if (func != null)
|
||
{
|
||
|
||
dataRow.CreateCell(cellIndex).SetCellValue(func(column.ColumnName, row[column].ToString()));
|
||
}
|
||
else
|
||
{
|
||
ICell icell = dataRow.CreateCell(cellIndex);
|
||
ICellValeSet(column.DataType.FullName, row[column].ToString(), icell);
|
||
//dataRow.CreateCell(cellIndex).SetCellValue(row[column].ToString());
|
||
}
|
||
cellIndex++;
|
||
}
|
||
}
|
||
rowIndex++;
|
||
}
|
||
workbook.Write(ms);
|
||
ms.Flush();
|
||
ms.Position = 0;
|
||
sheet = null;
|
||
headerRow = null;
|
||
workbook = null;
|
||
return ms;
|
||
}
|
||
/// <summary>
|
||
/// 由DataTable导出Excel
|
||
/// </summary>
|
||
/// <param name="sourceTable">要导出数据的DataTable</param>
|
||
/// <param name="fileName">指定Excel工作表名称</param>
|
||
/// <returns>Excel工作表</returns>
|
||
public static void ExportDataTableToExcel(DataTable sourceTable, string fileName, string sheetName)
|
||
{
|
||
MemoryStream ms = ExportDataTableToExcel(sourceTable, sheetName) as MemoryStream;
|
||
HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + fileName);
|
||
HttpContext.Current.Response.ContentType = "application/vnd.ms-excel";
|
||
HttpContext.Current.Response.Charset = "utf-8";
|
||
HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8;
|
||
HttpContext.Current.Response.BinaryWrite(ms.ToArray());
|
||
HttpContext.Current.Response.End();
|
||
ms.Close();
|
||
ms = null;
|
||
}
|
||
#endregion
|
||
|
||
#region 由Render导出Excel
|
||
/// <summary>
|
||
///由Render导出Excel
|
||
/// </summary>
|
||
/// <param name="reader"></param>
|
||
/// <returns></returns>
|
||
public static MemoryStream RenderToExcel(IDataReader reader)
|
||
{
|
||
MemoryStream ms = new MemoryStream();
|
||
|
||
using (reader)
|
||
{
|
||
IWorkbook workbook = new HSSFWorkbook();
|
||
ISheet sheet = workbook.CreateSheet();
|
||
IRow headerRow = sheet.CreateRow(0);
|
||
int cellCount = reader.FieldCount;
|
||
// handling header.
|
||
for (int i = 0; i < cellCount; i++)
|
||
{
|
||
headerRow.CreateCell(i).SetCellValue(reader.GetName(i));
|
||
}
|
||
// handling value.
|
||
int rowIndex = 1;
|
||
while (reader.Read())
|
||
{
|
||
IRow dataRow = sheet.CreateRow(rowIndex);
|
||
|
||
for (int i = 0; i < cellCount; i++)
|
||
{
|
||
dataRow.CreateCell(i).SetCellValue(reader[i].ToString());
|
||
}
|
||
|
||
rowIndex++;
|
||
}
|
||
|
||
workbook.Write(ms);
|
||
ms.Flush();
|
||
ms.Position = 0;
|
||
|
||
|
||
}
|
||
return ms;
|
||
}
|
||
#endregion
|
||
|
||
#region 由Excel导入DataTable
|
||
/// <summary>
|
||
/// 由Excel导入DataTable
|
||
/// </summary>
|
||
/// <param name="excelFileStream">Excel文件流</param>
|
||
/// <param name="sheetName">Excel工作表名称</param>
|
||
/// <param name="headerRowIndex">Excel表头行索引</param>
|
||
/// <returns>DataTable</returns>
|
||
public static DataTable ImportDataTableFromExcel(Stream excelFileStream, string sheetName, int headerRowIndex)
|
||
{
|
||
HSSFWorkbook workbook = new HSSFWorkbook(excelFileStream);
|
||
ISheet sheet = workbook.GetSheet(sheetName);
|
||
DataTable table = new DataTable();
|
||
IRow headerRow = sheet.GetRow(headerRowIndex);
|
||
int cellCount = headerRow.LastCellNum;
|
||
for (int i = headerRow.FirstCellNum; i < cellCount; i++)
|
||
{
|
||
DataColumn column = new DataColumn(headerRow.GetCell(i).StringCellValue);
|
||
table.Columns.Add(column);
|
||
}
|
||
for (int i = (sheet.FirstRowNum + 1); i <= sheet.LastRowNum; i++)
|
||
{
|
||
IRow row = sheet.GetRow(i);
|
||
DataRow dataRow = table.NewRow();
|
||
for (int j = row.FirstCellNum; j < cellCount; j++)
|
||
dataRow[j] = string.Format("{0}", row.GetCell(j));
|
||
table.Rows.Add(dataRow);
|
||
}
|
||
excelFileStream.Close();
|
||
workbook = null;
|
||
sheet = null;
|
||
return table;
|
||
}
|
||
/// <summary>
|
||
/// 由Excel导入DataTable
|
||
/// </summary>
|
||
/// <param name="excelFilePath">Excel文件路径，为物理路径。</param>
|
||
/// <param name="sheetName">Excel工作表名称</param>
|
||
/// <param name="headerRowIndex">Excel表头行索引</param>
|
||
/// <returns>DataTable</returns>
|
||
public static DataTable ImportDataTableFromExcel(string excelFilePath, string sheetName, int headerRowIndex)
|
||
{
|
||
using (FileStream stream = System.IO.File.OpenRead(excelFilePath))
|
||
{
|
||
return ImportDataTableFromExcel(stream, sheetName, headerRowIndex);
|
||
}
|
||
}
|
||
/// <summary>
|
||
/// 由Excel导入DataTable
|
||
/// </summary>
|
||
/// <param name="excelFileStream">Excel文件流</param>
|
||
/// <param name="sheetName">Excel工作表索引</param>
|
||
/// <param name="headerRowIndex">Excel表头行索引</param>
|
||
/// <returns>DataTable</returns>
|
||
public static DataTable ImportDataTableFromExcel(Stream excelFileStream, int sheetIndex, int headerRowIndex)
|
||
{
|
||
HSSFWorkbook workbook = new HSSFWorkbook(excelFileStream);
|
||
ISheet sheet = workbook.GetSheetAt(sheetIndex);
|
||
DataTable table = new DataTable();
|
||
IRow headerRow = sheet.GetRow(headerRowIndex);
|
||
int cellCount = headerRow.LastCellNum;
|
||
for (int i = headerRow.FirstCellNum; i < cellCount; i++)
|
||
{
|
||
if (headerRow.GetCell(i) == null || headerRow.GetCell(i).StringCellValue.Trim() == "")
|
||
{
|
||
// 如果遇到第一个空列，则不再继续向后读取
|
||
cellCount = i + 1;
|
||
break;
|
||
}
|
||
DataColumn column = new DataColumn(headerRow.GetCell(i).StringCellValue);
|
||
table.Columns.Add(column);
|
||
}
|
||
for (int i = (sheet.FirstRowNum + 1); i <= sheet.LastRowNum; i++)
|
||
{
|
||
IRow row = sheet.GetRow(i);
|
||
if (row == null || row.GetCell(0) == null || row.GetCell(0).ToString().Trim() == "")
|
||
{
|
||
// 如果遇到第一个空行，则不再继续向后读取
|
||
break;
|
||
}
|
||
DataRow dataRow = table.NewRow();
|
||
for (int j = row.FirstCellNum; j < cellCount; j++)
|
||
{
|
||
dataRow[j] = row.GetCell(j);
|
||
}
|
||
table.Rows.Add(dataRow);
|
||
}
|
||
excelFileStream.Close();
|
||
workbook = null;
|
||
sheet = null;
|
||
return table;
|
||
}
|
||
/// <summary>
|
||
/// 由Excel导入DataTable
|
||
/// </summary>
|
||
/// <param name="excelFilePath">Excel文件路径，为物理路径。</param>
|
||
/// <param name="sheetName">Excel工作表索引</param>
|
||
/// <param name="headerRowIndex">Excel表头行索引</param>
|
||
/// <returns>DataTable</returns>
|
||
public static DataTable ImportDataTableFromExcel(string excelFilePath, int sheetIndex, int headerRowIndex)
|
||
{
|
||
using (FileStream stream = System.IO.File.OpenRead(excelFilePath))
|
||
{
|
||
return ImportDataTableFromExcel(stream, sheetIndex, headerRowIndex);
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
#region 由Excel导入DataSet，如果有多个工作表，则导入多个DataTable
|
||
|
||
/// <summary>
|
||
/// 由Excel导入DataSet，如果有多个工作表，则导入多个DataTable
|
||
/// </summary>
|
||
/// <param name="excelFileStream">Excel文件流</param>
|
||
/// <param name="headerRowIndex">Excel表头行索引</param>
|
||
/// <returns>DataSet</returns>
|
||
public static DataSet ImportDataSetFromExcel(Stream excelFileStream, int headerRowIndex)
|
||
{
|
||
DataSet ds = new DataSet();
|
||
HSSFWorkbook workbook = new HSSFWorkbook(excelFileStream);
|
||
for (int a = 0, b = workbook.NumberOfSheets; a < b; a++)
|
||
{
|
||
ISheet sheet = workbook.GetSheetAt(a);
|
||
DataTable table = new DataTable();
|
||
IRow headerRow = sheet.GetRow(headerRowIndex);
|
||
int cellCount = headerRow.LastCellNum;
|
||
for (int i = headerRow.FirstCellNum; i < cellCount; i++)
|
||
{
|
||
if (headerRow.GetCell(i) == null || headerRow.GetCell(i).StringCellValue.Trim() == "")
|
||
{
|
||
// 如果遇到第一个空列，则不再继续向后读取
|
||
cellCount = i + 1;
|
||
break;
|
||
}
|
||
DataColumn column = new DataColumn(headerRow.GetCell(i).StringCellValue);
|
||
table.Columns.Add(column);
|
||
}
|
||
for (int i = (sheet.FirstRowNum + 1); i <= sheet.LastRowNum; i++)
|
||
{
|
||
IRow row = sheet.GetRow(i);
|
||
if (row == null || row.GetCell(0) == null || row.GetCell(0).ToString().Trim() == "")
|
||
{
|
||
// 如果遇到第一个空行，则不再继续向后读取
|
||
break;
|
||
}
|
||
DataRow dataRow = table.NewRow();
|
||
for (int j = row.FirstCellNum; j < cellCount; j++)
|
||
{
|
||
if (row.GetCell(j) != null)
|
||
{
|
||
dataRow[j] = row.GetCell(j).ToString();
|
||
}
|
||
}
|
||
table.Rows.Add(dataRow);
|
||
}
|
||
ds.Tables.Add(table);
|
||
}
|
||
excelFileStream.Close();
|
||
workbook = null;
|
||
return ds;
|
||
}
|
||
/// <summary>
|
||
/// 由Excel导入DataSet，如果有多个工作表，则导入多个DataTable
|
||
/// </summary>
|
||
/// <param name="excelFilePath">Excel文件路径，为物理路径。</param>
|
||
/// <param name="headerRowIndex">Excel表头行索引</param>
|
||
/// <returns>DataSet</returns>
|
||
public static DataSet ImportDataSetFromExcel(string excelFilePath, int headerRowIndex)
|
||
{
|
||
using (FileStream stream = System.IO.File.OpenRead(excelFilePath))
|
||
{
|
||
return ImportDataSetFromExcel(stream, headerRowIndex);
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
|
||
|
||
|
||
|
||
|
||
#region 获取字体样式
|
||
/// <summary>
|
||
/// 获取字体样式
|
||
/// </summary>
|
||
/// <param name="hssfworkbook">Excel操作类</param>
|
||
/// <param name="fontname">字体名</param>
|
||
/// <param name="fontcolor">字体颜色</param>
|
||
/// <param name="fontsize">字体大小</param>
|
||
/// <returns></returns>
|
||
public static IFont GetFontStyle(HSSFWorkbook hssfworkbook, string fontfamily, HSSFColor fontcolor, int fontsize)
|
||
{
|
||
IFont font1 = hssfworkbook.CreateFont();
|
||
if (string.IsNullOrEmpty(fontfamily))
|
||
{
|
||
font1.FontName = fontfamily;
|
||
}
|
||
if (fontcolor != null)
|
||
{
|
||
font1.Color = fontcolor.Indexed;
|
||
}
|
||
font1.IsItalic = true;
|
||
font1.FontHeightInPoints = (short)fontsize;
|
||
return font1;
|
||
}
|
||
#endregion
|
||
|
||
#region 获取单元格样式
|
||
// <summary>
|
||
/// 获取单元格样式
|
||
/// </summary>
|
||
/// <param name="hssfworkbook">Excel操作类</param>
|
||
/// <param name="font">单元格字体</param>
|
||
/// <param name="fillForegroundColor">图案的颜色</param>
|
||
/// <param name="fillPattern">图案样式</param>
|
||
/// <param name="fillBackgroundColor">单元格背景</param>
|
||
/// <param name="ha">垂直对齐方式</param>
|
||
/// <param name="va">垂直对齐方式</param>
|
||
/// <returns></returns>
|
||
public static ICellStyle GetCellStyle(HSSFWorkbook hssfworkbook, IFont font, HSSFColor fillForegroundColor, FillPattern fillPattern, HSSFColor fillBackgroundColor, HorizontalAlignment ha, VerticalAlignment va)
|
||
{
|
||
ICellStyle cellstyle = hssfworkbook.CreateCellStyle();
|
||
cellstyle.FillPattern = fillPattern;
|
||
cellstyle.Alignment = ha;
|
||
cellstyle.VerticalAlignment = va;
|
||
if (fillForegroundColor != null)
|
||
{
|
||
cellstyle.FillForegroundColor = fillForegroundColor.Indexed;
|
||
}
|
||
if (fillBackgroundColor != null)
|
||
{
|
||
cellstyle.FillBackgroundColor = fillBackgroundColor.Indexed;
|
||
}
|
||
if (font != null)
|
||
{
|
||
cellstyle.SetFont(font);
|
||
}
|
||
//有边框
|
||
cellstyle.BorderBottom = BorderStyle.Thin;
|
||
cellstyle.BorderLeft = BorderStyle.Thin;
|
||
cellstyle.BorderRight = BorderStyle.Thin;
|
||
cellstyle.BorderTop = BorderStyle.Thin;
|
||
return cellstyle;
|
||
}
|
||
#endregion
|
||
|
||
#region 合并单元格
|
||
/// <summary>
|
||
/// 合并单元格
|
||
/// </summary>
|
||
/// <param name="sheet">要合并单元格所在的sheet</param>
|
||
/// <param name="rowstart">开始行的索引</param>
|
||
/// <param name="rowend">结束行的索引</param>
|
||
/// <param name="colstart">开始列的索引</param>
|
||
/// <param name="colend">结束列的索引</param>
|
||
public static void SetCellRangeAddress(ISheet sheet, int rowstart, int rowend, int colstart, int colend)
|
||
{
|
||
CellRangeAddress cellRangeAddress = new CellRangeAddress(rowstart, rowend, colstart, colend);
|
||
sheet.AddMergedRegion(cellRangeAddress);
|
||
}
|
||
#endregion
|
||
|
||
|
||
#region 定义单元格常用到样式的枚举
|
||
public enum stylexls
|
||
{
|
||
头,
|
||
url,
|
||
时间,
|
||
数字,
|
||
小数,
|
||
钱,
|
||
百分比,
|
||
中文大写,
|
||
科学计数法,
|
||
默认
|
||
}
|
||
#endregion
|
||
|
||
|
||
#region 定义单元格常用到样式 例子
|
||
public static ICellStyle Getcellstyle(IWorkbook wb, stylexls str)
|
||
{
|
||
ICellStyle cellStyle = wb.CreateCellStyle();
|
||
|
||
//定义几种字体
|
||
//也可以一种字体，写一些公共属性，然后在下面需要时加特殊的
|
||
IFont font12 = wb.CreateFont();
|
||
font12.FontHeightInPoints = 10;
|
||
font12.FontName = "微软雅黑";
|
||
|
||
IFont font = wb.CreateFont();
|
||
font.FontName = "微软雅黑";
|
||
|
||
IFont fontcolorblue = wb.CreateFont();
|
||
fontcolorblue.Color = HSSFColor.OliveGreen.Blue.Index;
|
||
// fontcolorblue.IsItalic = true;//下划线
|
||
fontcolorblue.FontName = "微软雅黑";
|
||
/*
|
||
//边框
|
||
cellStyle.BorderBottom = NPOI.SS.UserModel.BorderStyle.Dotted;
|
||
cellStyle.BorderLeft = NPOI.SS.UserModel.BorderStyle.Hair;
|
||
cellStyle.BorderRight = NPOI.SS.UserModel.BorderStyle.Hair;
|
||
cellStyle.BorderTop = NPOI.SS.UserModel.BorderStyle.Dotted;
|
||
//边框颜色
|
||
cellStyle.BottomBorderColor = HSSFColor.OliveGreen.Blue.Index;
|
||
cellStyle.TopBorderColor = HSSFColor.OliveGreen.Blue.Index;
|
||
|
||
//背景图形
|
||
cellStyle.FillForegroundColor = HSSFColor.White.Index;
|
||
// cellStyle.FillPattern = FillPatternType.NO_FILL;
|
||
cellStyle.FillBackgroundColor = HSSFColor.Blue.Index;
|
||
|
||
//水平对齐
|
||
cellStyle.Alignment = NPOI.SS.UserModel.HorizontalAlignment.Left;
|
||
|
||
//垂直对齐
|
||
cellStyle.VerticalAlignment = VerticalAlignment.Center;
|
||
|
||
//自动换行
|
||
cellStyle.WrapText = true;
|
||
|
||
//缩进;当设置为1时，前面留的空白太大了。希旺官网改进。或者是我设置的不对
|
||
cellStyle.Indention = 0;
|
||
*/
|
||
//上面基本都是设共公的设置
|
||
//下面列出了常用的字段类型
|
||
switch (str)
|
||
{
|
||
case stylexls.头:
|
||
// cellStyle.FillPattern = FillPatternType.LEAST_DOTS;
|
||
cellStyle.SetFont(font12);
|
||
break;
|
||
case stylexls.时间:
|
||
IDataFormat datastyle = wb.CreateDataFormat();
|
||
|
||
cellStyle.DataFormat = datastyle.GetFormat("yyyy/mm/dd");
|
||
cellStyle.SetFont(font);
|
||
break;
|
||
case stylexls.数字:
|
||
cellStyle.DataFormat = HSSFDataFormat.GetBuiltinFormat("0.00");
|
||
cellStyle.SetFont(font);
|
||
break;
|
||
case stylexls.钱:
|
||
IDataFormat format = wb.CreateDataFormat();
|
||
cellStyle.DataFormat = format.GetFormat("￥#,##0");
|
||
cellStyle.SetFont(font);
|
||
break;
|
||
case stylexls.url:
|
||
fontcolorblue.Underline = FontUnderlineType.Single;
|
||
cellStyle.SetFont(fontcolorblue);
|
||
break;
|
||
case stylexls.百分比:
|
||
cellStyle.DataFormat = HSSFDataFormat.GetBuiltinFormat("0.00%");
|
||
cellStyle.SetFont(font);
|
||
break;
|
||
case stylexls.中文大写:
|
||
IDataFormat format1 = wb.CreateDataFormat();
|
||
cellStyle.DataFormat = format1.GetFormat("[DbNum2][$-804]0");
|
||
cellStyle.SetFont(font);
|
||
break;
|
||
case stylexls.科学计数法:
|
||
cellStyle.DataFormat = HSSFDataFormat.GetBuiltinFormat("0.00E+00");
|
||
cellStyle.SetFont(font);
|
||
break;
|
||
case stylexls.默认:
|
||
cellStyle.SetFont(font);
|
||
break;
|
||
}
|
||
return cellStyle;
|
||
|
||
|
||
}
|
||
#endregion
|
||
|
||
#region 其他操作
|
||
/// <summary>
|
||
/// 将Excel的列索引转换为列名，列索引从0开始，列名从A开始。如第0列为A，第1列为B...
|
||
/// </summary>
|
||
/// <param name="index">列索引</param>
|
||
/// <returns>列名，如第0列为A，第1列为B...</returns>
|
||
public static string ConvertColumnIndexToColumnName(int index)
|
||
{
|
||
index = index + 1;
|
||
int system = 26;
|
||
char[] digArray = new char[100];
|
||
int i = 0;
|
||
while (index > 0)
|
||
{
|
||
int mod = index % system;
|
||
if (mod == 0) mod = system;
|
||
digArray[i++] = (char)(mod - 1 + 'A');
|
||
index = (index - 1) / 26;
|
||
}
|
||
StringBuilder sb = new StringBuilder(i);
|
||
for (int j = i - 1; j >= 0; j--)
|
||
{
|
||
sb.Append(digArray[j]);
|
||
}
|
||
return sb.ToString();
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// 转化日期
|
||
/// </summary>
|
||
/// <param name="date">日期</param>
|
||
/// <returns></returns>
|
||
public static DateTime ConvertDate(string date)
|
||
{
|
||
DateTime dt = new DateTime();
|
||
string[] time = date.Split('-');
|
||
int year = Convert.ToInt32(time[2]);
|
||
int month = Convert.ToInt32(time[0]);
|
||
int day = Convert.ToInt32(time[1]);
|
||
string years = Convert.ToString(year);
|
||
string months = Convert.ToString(month);
|
||
string days = Convert.ToString(day);
|
||
if (months.Length == 4)
|
||
{
|
||
dt = Convert.ToDateTime(date);
|
||
}
|
||
else
|
||
{
|
||
string rq = "";
|
||
if (years.Length == 1)
|
||
{
|
||
years = "0" + years;
|
||
}
|
||
if (months.Length == 1)
|
||
{
|
||
months = "0" + months;
|
||
}
|
||
if (days.Length == 1)
|
||
{
|
||
days = "0" + days;
|
||
}
|
||
rq = "20" + years + "-" + months + "-" + days;
|
||
dt = Convert.ToDateTime(rq);
|
||
}
|
||
return dt;
|
||
}
|
||
|
||
/// <summary>
|
||
/// 给行创建简单的单元格(必须为以选中的字段)
|
||
/// </summary>
|
||
/// <param name="row">表格行</param>
|
||
/// <param name="index">列的位置</param>
|
||
/// <param name="value">值</param>
|
||
/// <param name="fild">当前字段</param>
|
||
/// <param name="checkedFilds">选中的字段列表</param>
|
||
public static void CreateSimpleCell(IRow row, ref int index, string value, string fild, string checkedFilds)
|
||
{
|
||
if (checkedFilds.IndexOf("[" + fild.ToUpper() + "]") > -1)
|
||
{
|
||
row.CreateCell(index).SetCellValue(value);
|
||
index++;
|
||
}
|
||
}
|
||
#endregion
|
||
}
|
||
|
||
public class ExcelCell
|
||
{
|
||
/// <summary>
|
||
/// 英文字段名称
|
||
/// </summary>
|
||
public string fild { get; set; }
|
||
/// <summary>
|
||
/// 字段的数据类型
|
||
/// </summary>
|
||
public string type { get; set; }
|
||
/// <summary>
|
||
/// 字段的中文标题
|
||
/// </summary>
|
||
public string title { get; set; }
|
||
/// <summary>
|
||
/// 字段的值
|
||
/// </summary>
|
||
public string nvalue { get; set; }
|
||
|
||
}
|
||
}
|