651 lines
24 KiB
C#
651 lines
24 KiB
C#
using System;
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using System.Diagnostics;
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using System.Collections;
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using System.Data;
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using System.Web;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using Excel;
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using System.Collections.Generic;
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using System.IO;
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using NPOI.SS.UserModel;
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using NPOI.HSSF.UserModel;
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using NPOI.SS.Format;
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using NPOI.SS.Formula.Functions;
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using static NPOI.HSSF.Util.HSSFColor;
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namespace ZWL.Common
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{
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/// <summary>
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/// 操作EXCEL导出数据报表的类
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/// 张为龙
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/// 2008.4
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/// </summary>
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public class DataToExcel
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{
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public DataToExcel()
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{
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}
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#region 操作EXCEL的一个类(需要Excel.dll支持)
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private int titleColorindex = 15;
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/// <summary>
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/// 标题背景色
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/// </summary>
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public int TitleColorIndex
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{
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set { titleColorindex = value; }
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get { return titleColorindex; }
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}
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private DateTime beforeTime; //Excel启动之前时间
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private DateTime afterTime; //Excel启动之后时间
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#region 创建一个Excel示例
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/// <summary>
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/// 创建一个Excel示例
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/// </summary>
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public void CreateExcel()
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{
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Excel.Application excel = new Excel.Application();
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excel.Application.Workbooks.Add(true);
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excel.Cells[1, 1] = "第1行第1列";
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excel.Cells[1, 2] = "第1行第2列";
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excel.Cells[2, 1] = "第2行第1列";
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excel.Cells[2, 2] = "第2行第2列";
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excel.Cells[3, 1] = "第3行第1列";
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excel.Cells[3, 2] = "第3行第2列";
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//保存
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excel.ActiveWorkbook.SaveAs("./tt.xls", XlFileFormat.xlExcel9795, null, null, false, false, Excel.XlSaveAsAccessMode.xlNoChange, null, null, null, null, null);
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//打开显示
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excel.Visible = true;
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// excel.Quit();
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// excel=null;
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// GC.Collect();//垃圾回收
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}
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#endregion
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#region 将DataTable的数据导出显示为报表
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/// <summary>
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/// 将DataTable的数据导出显示为报表
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/// </summary>
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/// <param name="dt">要导出的数据</param>
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/// <param name="strTitle">导出报表的标题</param>
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/// <param name="FilePath">保存文件的路径</param>
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/// <returns></returns>
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public string OutputExcel(System.Data.DataTable dt, string strTitle, string FilePath)
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{
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beforeTime = DateTime.Now;
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Excel.Application excel;
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Excel._Workbook xBk;
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Excel._Worksheet xSt;
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int rowIndex = 4;
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int colIndex = 1;
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excel = new Excel.ApplicationClass();
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xBk = excel.Workbooks.Add(true);
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xSt = (Excel._Worksheet)xBk.ActiveSheet;
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//取得列标题
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foreach (DataColumn col in dt.Columns)
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{
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colIndex++;
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excel.Cells[4, colIndex] = col.ColumnName;
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//设置标题格式为居中对齐
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xSt.get_Range(excel.Cells[4, colIndex], excel.Cells[4, colIndex]).Font.Bold = true;
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xSt.get_Range(excel.Cells[4, colIndex], excel.Cells[4, colIndex]).HorizontalAlignment = Excel.XlVAlign.xlVAlignCenter;
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xSt.get_Range(excel.Cells[4, colIndex], excel.Cells[4, colIndex]).Select();
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xSt.get_Range(excel.Cells[4, colIndex], excel.Cells[4, colIndex]).Interior.ColorIndex = titleColorindex;//19;//设置为浅黄色，共计有56种
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}
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//取得表格中的数据
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foreach (DataRow row in dt.Rows)
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{
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rowIndex++;
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colIndex = 1;
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foreach (DataColumn col in dt.Columns)
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{
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colIndex++;
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if (col.DataType == System.Type.GetType("System.DateTime"))
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{
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excel.Cells[rowIndex, colIndex] = (Convert.ToDateTime(row[col.ColumnName].ToString())).ToString("yyyy-MM-dd");
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xSt.get_Range(excel.Cells[rowIndex, colIndex], excel.Cells[rowIndex, colIndex]).HorizontalAlignment = Excel.XlVAlign.xlVAlignCenter;//设置日期型的字段格式为居中对齐
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}
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else
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if (col.DataType == System.Type.GetType("System.String"))
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{
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excel.Cells[rowIndex, colIndex] = "'" + row[col.ColumnName].ToString();
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xSt.get_Range(excel.Cells[rowIndex, colIndex], excel.Cells[rowIndex, colIndex]).HorizontalAlignment = Excel.XlVAlign.xlVAlignCenter;//设置字符型的字段格式为居中对齐
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}
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else
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{
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excel.Cells[rowIndex, colIndex] = row[col.ColumnName].ToString();
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}
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}
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}
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//加载一个合计行
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int rowSum = rowIndex + 1;
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int colSum = 2;
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excel.Cells[rowSum, 2] = "合计";
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xSt.get_Range(excel.Cells[rowSum, 2], excel.Cells[rowSum, 2]).HorizontalAlignment = Excel.XlHAlign.xlHAlignCenter;
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//设置选中的部分的颜色
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xSt.get_Range(excel.Cells[rowSum, colSum], excel.Cells[rowSum, colIndex]).Select();
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//xSt.get_Range(excel.Cells[rowSum,colSum],excel.Cells[rowSum,colIndex]).Interior.ColorIndex =Assistant.GetConfigInt("ColorIndex");// 1;//设置为浅黄色，共计有56种
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//取得整个报表的标题
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excel.Cells[2, 2] = strTitle;
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//设置整个报表的标题格式
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xSt.get_Range(excel.Cells[2, 2], excel.Cells[2, 2]).Font.Bold = true;
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xSt.get_Range(excel.Cells[2, 2], excel.Cells[2, 2]).Font.Size = 22;
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//设置报表表格为最适应宽度
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xSt.get_Range(excel.Cells[4, 2], excel.Cells[rowSum, colIndex]).Select();
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xSt.get_Range(excel.Cells[4, 2], excel.Cells[rowSum, colIndex]).Columns.AutoFit();
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//设置整个报表的标题为跨列居中
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xSt.get_Range(excel.Cells[2, 2], excel.Cells[2, colIndex]).Select();
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xSt.get_Range(excel.Cells[2, 2], excel.Cells[2, colIndex]).HorizontalAlignment = Excel.XlHAlign.xlHAlignCenterAcrossSelection;
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//绘制边框
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xSt.get_Range(excel.Cells[4, 2], excel.Cells[rowSum, colIndex]).Borders.LineStyle = 1;
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xSt.get_Range(excel.Cells[4, 2], excel.Cells[rowSum, 2]).Borders[Excel.XlBordersIndex.xlEdgeLeft].Weight = Excel.XlBorderWeight.xlThick;//设置左边线加粗
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xSt.get_Range(excel.Cells[4, 2], excel.Cells[4, colIndex]).Borders[Excel.XlBordersIndex.xlEdgeTop].Weight = Excel.XlBorderWeight.xlThick;//设置上边线加粗
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xSt.get_Range(excel.Cells[4, colIndex], excel.Cells[rowSum, colIndex]).Borders[Excel.XlBordersIndex.xlEdgeRight].Weight = Excel.XlBorderWeight.xlThick;//设置右边线加粗
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xSt.get_Range(excel.Cells[rowSum, 2], excel.Cells[rowSum, colIndex]).Borders[Excel.XlBordersIndex.xlEdgeBottom].Weight = Excel.XlBorderWeight.xlThick;//设置下边线加粗
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afterTime = DateTime.Now;
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//显示效果
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//excel.Visible=true;
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//excel.Sheets[0] = "sss";
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ClearFile(FilePath);
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string filename = DateTime.Now.ToString("yyyyMMddHHmmssff") + ".xls";
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excel.ActiveWorkbook.SaveAs(FilePath + filename, Excel.XlFileFormat.xlExcel9795, null, null, false, false, Excel.XlSaveAsAccessMode.xlNoChange, null, null, null, null, null);
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//wkbNew.SaveAs strBookName;
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//excel.Save(strExcelFileName);
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#region 结束Excel进程
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//需要对Excel的DCOM对象进行配置:dcomcnfg
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//excel.Quit();
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//excel=null;
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xBk.Close(null, null, null);
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excel.Workbooks.Close();
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excel.Quit();
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//注意：这里用到的所有Excel对象都要执行这个操作，否则结束不了Excel进程
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// if(rng != null)
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// {
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// System.Runtime.InteropServices.Marshal.ReleaseComObject(rng);
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// rng = null;
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// }
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// if(tb != null)
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// {
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// System.Runtime.InteropServices.Marshal.ReleaseComObject(tb);
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// tb = null;
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// }
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if (xSt != null)
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{
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System.Runtime.InteropServices.Marshal.ReleaseComObject(xSt);
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xSt = null;
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}
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if (xBk != null)
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{
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System.Runtime.InteropServices.Marshal.ReleaseComObject(xBk);
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xBk = null;
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}
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if (excel != null)
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{
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System.Runtime.InteropServices.Marshal.ReleaseComObject(excel);
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excel = null;
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}
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GC.Collect();//垃圾回收
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#endregion
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return filename;
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}
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#endregion
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#region Kill Excel进程
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/// <summary>
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/// 结束Excel进程
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/// </summary>
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public void KillExcelProcess()
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{
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Process[] myProcesses;
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DateTime startTime;
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myProcesses = Process.GetProcessesByName("Excel");
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//得不到Excel进程ID，暂时只能判断进程启动时间
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foreach (Process myProcess in myProcesses)
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{
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startTime = myProcess.StartTime;
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if (startTime > beforeTime && startTime < afterTime)
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{
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myProcess.Kill();
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}
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}
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}
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#endregion
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#endregion
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#region 将DataTable的数据导出显示为报表(不使用Excel对象，使用COM.Excel)
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#region 使用示例
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public static void GridViewToExcel(DataSet MyData, Hashtable nameList,string ReportTitle)
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{
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string FilePath = System.Web.HttpContext.Current.Server.MapPath("../") + "ReportFile\\";
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//利用excel对象
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DataToExcel dte = new DataToExcel();
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string filename = "";
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try
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{
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if (MyData.Tables[0].Rows.Count > 0)
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{
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filename = dte.DataExcel(MyData.Tables[0], ReportTitle, FilePath, nameList);
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}
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}
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catch
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{}
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if (filename != "")
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{
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System.Web.HttpContext.Current.Response.Redirect("../ReportFile/" + filename, true);
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}
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}
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#endregion
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/// <summary>
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/// 将DataTable的数据导出显示为报表(不使用Excel对象)
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/// </summary>
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/// <param name="dt">数据DataTable</param>
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/// <param name="strTitle">标题</param>
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/// <param name="FilePath">生成文件的路径</param>
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/// <param name="nameList"></param>
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/// <returns></returns>
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public string DataExcel(System.Data.DataTable dt, string strTitle, string FilePath, Hashtable nameList)
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{
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COM.Excel.cExcelFile excel = new COM.Excel.cExcelFile();
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ClearFile(FilePath);
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//string filename = DateTime.Now.ToString("yyyyMMddHHmmssff") + ".xls";
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string filename = strTitle + ".xls";
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excel.CreateFile(FilePath + filename);
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excel.PrintGridLines = false;
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COM.Excel.cExcelFile.MarginTypes mt1 = COM.Excel.cExcelFile.MarginTypes.xlsTopMargin;
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COM.Excel.cExcelFile.MarginTypes mt2 = COM.Excel.cExcelFile.MarginTypes.xlsLeftMargin;
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COM.Excel.cExcelFile.MarginTypes mt3 = COM.Excel.cExcelFile.MarginTypes.xlsRightMargin;
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COM.Excel.cExcelFile.MarginTypes mt4 = COM.Excel.cExcelFile.MarginTypes.xlsBottomMargin;
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double height = 1.5;
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excel.SetMargin(ref mt1, ref height);
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excel.SetMargin(ref mt2, ref height);
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excel.SetMargin(ref mt3, ref height);
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excel.SetMargin(ref mt4, ref height);
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COM.Excel.cExcelFile.FontFormatting ff = COM.Excel.cExcelFile.FontFormatting.xlsNoFormat;
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string font = "宋体";
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short fontsize = 9;
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excel.SetFont(ref font, ref fontsize, ref ff);
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byte b1 = 1,
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b2 = 12;
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short s3 = 12;
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excel.SetColumnWidth(ref b1, ref b2, ref s3);
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string header = "页眉";
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string footer = "页脚";
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excel.SetHeader(ref header);
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excel.SetFooter(ref footer);
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COM.Excel.cExcelFile.ValueTypes vt = COM.Excel.cExcelFile.ValueTypes.xlsText;
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COM.Excel.cExcelFile.CellFont cf = COM.Excel.cExcelFile.CellFont.xlsFont0;
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COM.Excel.cExcelFile.CellAlignment ca = COM.Excel.cExcelFile.CellAlignment.xlsCentreAlign;
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COM.Excel.cExcelFile.CellHiddenLocked chl = COM.Excel.cExcelFile.CellHiddenLocked.xlsNormal;
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// 报表标题
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int cellformat = 1;
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// int rowindex = 1,colindex = 3;
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// object title = (object)strTitle;
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// excel.WriteValue(ref vt, ref cf, ref ca, ref chl,ref rowindex,ref colindex,ref title,ref cellformat);
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int rowIndex = 1;//起始行
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int colIndex = 0;
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//取得列标题
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foreach (DataColumn colhead in dt.Columns)
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{
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colIndex++;
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string name = colhead.ColumnName.Trim();
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object namestr = (object)name;
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IDictionaryEnumerator Enum = nameList.GetEnumerator();
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while (Enum.MoveNext())
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{
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if (Enum.Key.ToString().Trim() == name)
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{
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namestr = Enum.Value;
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}
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}
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excel.WriteValue(ref vt, ref cf, ref ca, ref chl, ref rowIndex, ref colIndex, ref namestr, ref cellformat);
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}
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//取得表格中的数据
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foreach (DataRow row in dt.Rows)
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{
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rowIndex++;
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colIndex = 0;
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foreach (DataColumn col in dt.Columns)
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{
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colIndex++;
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if (col.DataType == System.Type.GetType("System.DateTime"))
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{
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object str = (object)(Convert.ToDateTime(row[col.ColumnName].ToString())).ToString("yyyy-MM-dd"); ;
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excel.WriteValue(ref vt, ref cf, ref ca, ref chl, ref rowIndex, ref colIndex, ref str, ref cellformat);
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}
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else
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{
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object str = (object)row[col.ColumnName].ToString();
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excel.WriteValue(ref vt, ref cf, ref ca, ref chl, ref rowIndex, ref colIndex, ref str, ref cellformat);
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}
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}
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}
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int ret = excel.CloseFile();
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// if(ret!=0)
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// {
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// //MessageBox.Show(this,"Error!");
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// }
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// else
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// {
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// //MessageBox.Show(this,"请打开文件c:\\test.xls!");
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// }
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return filename;
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}
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#endregion
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#region 清理过时的Excel文件
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private void ClearFile(string FilePath)
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{
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String[] Files = System.IO.Directory.GetFiles(FilePath);
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if (Files.Length > 10)
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{
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for (int i = 0; i < 10; i++)
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{
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try
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{
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System.IO.File.Delete(Files[i]);
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}
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catch
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{
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}
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}
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}
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}
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#endregion
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#region 读取excel文件
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/// <summary>
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/// 读取excel
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/// </summary>
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/// <param name="path1"></param>
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/// <param name="Excel_Name"></param>
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/// <returns></returns>
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public static System.Data.DataTable Reader_Excel(string path1, string Excel_Name)
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{
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try
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{
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//实例化DataTable来存放数据
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System.Data.DataTable dt = new System.Data.DataTable();
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string fileName = path1 + Excel_Name;
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string sheetName = Excel_Name;//Excel的工作表名称
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bool isColumnName = true;//判断第一行是否为标题列
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IWorkbook workbook;//创建一个工作薄接口
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string fileExt = Path.GetExtension(fileName).ToLower();//获取文件的拓展名
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//创建一个文件流
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using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read))
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{
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if (fileExt == ".xls" || fileExt == ".xlsx")//xlsx
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{
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//.xls ,xlsx
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//XSSFWorkbook workbook = new XSSFWorkbook(file);
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//HSSFWorkbook workbook = new HSSFWorkbook(file);
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workbook = new HSSFWorkbook(fs);
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}
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else
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{
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workbook = null;
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}
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//实例化sheet
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ISheet sheet = null;
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if (sheetName != null && sheetName != "")//判断是否存在sheet
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{
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sheet = workbook.GetSheet(sheetName);
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if (sheet == null)
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{
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sheet = workbook.GetSheetAt(0);//从第一个开始读取，0位索引
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}
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else
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{
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sheet = workbook.GetSheetAt(0);
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}
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}
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//获取表头
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IRow header = sheet.GetRow(sheet.FirstRowNum);
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int startRow = 0;//数据的第一行索引
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if (isColumnName)//表示第一行是列名
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{
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startRow = sheet.FirstRowNum + 1;//数据从第二行开始读
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//遍历表的第一行，即所有的列名
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for (int i = header.FirstCellNum; i < header.LastCellNum; i++)
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{
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ICell cell = header.GetCell(i);
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if (cell != null)
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{
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//获取列名的值
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string cellValue = cell.ToString();
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if (cellValue != null)
|
||
{
|
||
DataColumn col = new DataColumn(cellValue);
|
||
dt.Columns.Add(col);
|
||
}
|
||
else
|
||
{
|
||
DataColumn col = new DataColumn();
|
||
dt.Columns.Add(col);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
//读取数据
|
||
for (int i = startRow; i <= sheet.LastRowNum; i++)
|
||
{
|
||
IRow row = sheet.GetRow(i);
|
||
if (row == null)
|
||
{
|
||
continue;
|
||
}
|
||
DataRow dr = dt.NewRow();
|
||
for (int j = row.FirstCellNum; j < row.LastCellNum; j++)
|
||
{
|
||
if (row.GetCell(j) != null)
|
||
{
|
||
dr[j] = row.GetCell(j).ToString();
|
||
}
|
||
}
|
||
dt.Rows.Add(dr);
|
||
}
|
||
return dt;
|
||
}
|
||
}
|
||
catch (Exception e)
|
||
{
|
||
throw e;
|
||
}
|
||
}
|
||
#endregion
|
||
|
||
|
||
/// <summary>
|
||
/// 将datatable写入到excel(xls)
|
||
/// 2023-11-23 xulu
|
||
/// </summary>
|
||
/// <param name="dt">datatable</param>
|
||
/// <param name="filepath">写入的文件路径</param>
|
||
/// <returns></returns>
|
||
public static bool DataTableToExcel(System.Data.DataTable dt, string filepath, Hashtable nameList)
|
||
{
|
||
bool result = false;
|
||
IWorkbook workbook = null;
|
||
FileStream fs = null;
|
||
IRow row = null;
|
||
ISheet sheet = null;
|
||
ICell cell = null;
|
||
try
|
||
{
|
||
if (!File.Exists(filepath))
|
||
{
|
||
fs=File.Create(filepath);//创建文件
|
||
fs.Close();
|
||
}
|
||
if (dt != null && dt.Rows.Count > 0)
|
||
{
|
||
workbook = new HSSFWorkbook();
|
||
sheet = workbook.CreateSheet("Sheet0");//创建一个名称为Sheet0的表
|
||
sheet.DefaultRowHeight=30 * 20;
|
||
int rowCount = dt.Rows.Count;//行数
|
||
int columnCount = dt.Columns.Count;//列数
|
||
|
||
// 每列列宽字典
|
||
var dic = new Dictionary<int, int>();
|
||
// 标题及内容单元格样式
|
||
var headCellStyle = CreateCellStyle(workbook, true);
|
||
var contentCellStyle = CreateCellStyle(workbook, false);
|
||
|
||
//设置列头
|
||
row = sheet.CreateRow(0);//excel第一行设为列头
|
||
for (int c = 0; c < columnCount; c++)
|
||
{
|
||
|
||
cell = row.CreateCell(c);
|
||
string name = dt.Columns[c].ColumnName;
|
||
object namestr = (object)name;
|
||
IDictionaryEnumerator Enum = nameList.GetEnumerator();
|
||
while (Enum.MoveNext())
|
||
{
|
||
if (Enum.Key.ToString().Trim() == name)
|
||
{
|
||
namestr = Enum.Value;
|
||
}
|
||
}
|
||
cell.SetCellValue(namestr.ToString());
|
||
cell.CellStyle = headCellStyle;
|
||
dic.Add(c, System.Text.Encoding.Default.GetBytes(cell.StringCellValue).Length * 256 + 1000);
|
||
}
|
||
|
||
//设置每行每列的单元格,
|
||
for (int i = 0; i < rowCount; i++)
|
||
{
|
||
row = sheet.CreateRow(i + 1);
|
||
for (int j = 0; j < columnCount; j++)
|
||
{
|
||
cell = row.CreateCell(j);//excel第二行开始写入数据
|
||
cell.SetCellValue(dt.Rows[i][j].ToString());
|
||
cell.CellStyle = contentCellStyle;
|
||
int length = System.Text.Encoding.Default.GetBytes(cell.StringCellValue).Length * 256 + 1000;
|
||
length = length > 15000 ? 15000 : length;
|
||
|
||
// 若比已存在列宽更宽则替换，Excel限制最大宽度为15000
|
||
if (dic[j] < length)
|
||
{
|
||
dic[j] = length;
|
||
}
|
||
}
|
||
}
|
||
for (int i = 0; i < dt.Columns.Count; i++)
|
||
{
|
||
sheet.SetColumnWidth(i, dic[i]);
|
||
}
|
||
|
||
using (fs = File.OpenWrite(filepath))
|
||
{
|
||
workbook.Write(fs);//向打开的这个xls文件中写入数据
|
||
result = true;
|
||
fs.Close();
|
||
}
|
||
}
|
||
return result;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
//MessageBox.Show(ex.Message);
|
||
if (fs != null)
|
||
{
|
||
fs.Close();
|
||
}
|
||
return false;
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 单元格样式
|
||
/// 2023-11-23 xulu
|
||
/// </summary>
|
||
/// <param name="workbook"></param>
|
||
/// <param name="isHead"></param>
|
||
/// <returns></returns>
|
||
private static ICellStyle CreateCellStyle(IWorkbook workbook, bool isHead)
|
||
{
|
||
var cellStyle = workbook.CreateCellStyle();
|
||
|
||
var font = workbook.CreateFont();
|
||
font.IsBold = isHead; // 粗体
|
||
font.FontHeightInPoints = 12;
|
||
font.FontName = "宋体";
|
||
cellStyle.SetFont(font);
|
||
|
||
cellStyle.Alignment = HorizontalAlignment.Center; // 水平居中
|
||
cellStyle.VerticalAlignment = VerticalAlignment.Center; // 垂直居中
|
||
|
||
cellStyle.BorderTop = NPOI.SS.UserModel.BorderStyle.Thin;
|
||
cellStyle.BorderBottom = NPOI.SS.UserModel.BorderStyle.Thin;
|
||
cellStyle.BorderLeft = NPOI.SS.UserModel.BorderStyle.Thin;
|
||
cellStyle.BorderRight = NPOI.SS.UserModel.BorderStyle.Thin;
|
||
cellStyle.WrapText = true;//内容自动换行，避免存在换行符的内容合并成单行
|
||
|
||
|
||
return cellStyle;
|
||
}
|
||
}
|
||
}
|