using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using NFine.Code.Excel;
using Aspose.Cells;
using NPOI.HSSF.UserModel;
using NPOI.SS.UserModel;
using NPOI.HPSF;
using System.Drawing;
using NPOI.XSSF.UserModel;
namespace NFine.Code
{
public class ExcelHelper
{
/// <summary>
/// 导出数据到EXCEL文件
/// </summary>
/// <param name="page">页面</param>
/// <param name="gvExcel">导出的GrivView</param>
public static void ExportToExcel(System.Web.UI.Page page, GridView dgExcel, HttpResponse Response, string fileName)
{
try
{
fileName = fileName + ".xls";
page.Response.AppendHeader("Content-Disposition", "attachment;filename=" + fileName);
Response.Clear();
Response.Buffer = true;
Response.Charset = "utf-8";
Response.Write("<meta http-equiv=Content-Type content=text/html;charset=utf-8>");
Response.ContentEncoding = System.Text.Encoding.GetEncoding("utf-8");
Response.ContentType = "application/ms-excel";
dgExcel.Page.EnableViewState = false;
System.IO.StringWriter tw = new System.IO.StringWriter();
System.Web.UI.HtmlTextWriter hw = new HtmlTextWriter(tw);
dgExcel.RenderControl(hw);
// 输出DataGrid内容
Response.Write(tw.ToString());
Response.End();
}
catch (Exception ex)
{
throw ex;
}
}
}
/// <summary>
/// 导出EXCEL
/// </summary>
public class GridViewExportUtil
{
/// <summary>
/// 将GRIDVIEW导出excel
/// </summary>
/// <param name="fileName">excel文件名</param>
/// <param name="gv">GridView ＩＤ</param>
public static void Export(GridView gv, string PreSellNo)
{
//dataGridView1.Columns[0].HeaderText 循环列判断是否要设置为数字类型
List<int> list = new List<int>();
int k = 0; //序号
int p = 0; //价格
int a = 0; //数量
int d = 0; //折扣
for (int i = 0; i < gv.HeaderRow.Cells.Count; i++)
{
//if (gv.HeaderRow.Cells[i].Text.Contains("F_Id") || gv.HeaderRow.Cells[i].Text.Contains("Product_Id"))
//{
// list.Add(i);
//}
if (gv.HeaderRow.Cells[i].Text.Contains("No.") || gv.HeaderRow.Cells[i].Text.Contains("Finished Weight(ct)") ||
gv.HeaderRow.Cells[i].Text.Contains("Rough Weight(ct)") || gv.HeaderRow.Cells[i].Text.Contains("Price（USD）") ||
gv.HeaderRow.Cells[i].Text.Contains("Amount（USD）"))
{
list.Add(i);
}
//if (gv.HeaderRow.Cells[i].Text.Contains("No."))
// k = i;
if (gv.HeaderRow.Cells[i].Text.Contains("Price（USD）"))
p = i;
if (gv.HeaderRow.Cells[i].Text.Contains("Amount（USD）"))
a = i;
//if (gv.HeaderRow.Cells[i].Text.Contains("Discount（%）"))
// d = i;
}
foreach (GridViewRow row in gv.Rows)
{
int j = 0;
foreach (TableCell cell in row.Cells)
{
if (!list.Contains(j))
{
cell.Style.Add("vnd.ms-excel.numberformat", "@");//给表格内容设置样式
} // end foreach (TableCell cell in row.Cells)
else
{
if (j != 0)
{
if (j == p || j == a)
cell.Style.Add("vnd.ms-excel.numberformat", "#,##0.00");
//else if (j == d)
// cell.Style.Add("vnd.ms-excel.numberformat", "#0%");
else
cell.Style.Add("vnd.ms-excel.numberformat", "#,##0.000");//保留三位小数的样式,否则为默认样式
}
}
j++;
}
} // end foreach (GridViewRow row in dgExcel.Rows)
HttpContext.Current.Response.Clear();
string styleText = @"<style> .text{mso-number-format:\@;} </style> ";
string fileName = "";
if (!string.IsNullOrEmpty(PreSellNo))
fileName = DateTime.Now.ToString("yyyyMMddHHmmss") + "-OrderNo[" + PreSellNo + "].xls";
else
fileName = DateTime.Now.ToString("yyyyMMddHHmmss") + ".xls";
HttpContext.Current.Response.AddHeader(
"content-disposition", string.Format("attachment; filename={0}", fileName));
HttpContext.Current.Response.ContentType = "application/ms-excel";
HttpContext.Current.Response.Write("<meta http-equiv=Content-Type content=\"text/html; charset=utf-8\">");
using (StringWriter sw = new StringWriter())
{
using (HtmlTextWriter htw = new HtmlTextWriter(sw))
{
// Create a form to contain the grid
Table table = new Table();
table.GridLines = gv.GridLines;
if (gv.HeaderRow != null)
{
GridViewExportUtil.PrepareControlForExport(gv.HeaderRow);
table.Rows.Add(gv.HeaderRow);
for (int i = 0; i < gv.HeaderRow.Cells.Count; i++)
{
table.Rows[0].Cells[i].BackColor = System.Drawing.Color.FromArgb(220, 240, 241);
table.Rows[0].Cells[i].ForeColor = System.Drawing.Color.Black;
table.Rows[0].Cells[i].Height = Unit.Pixel(24);
}
}
// add each of the data rows to the table
foreach (GridViewRow row in gv.Rows)
{
GridViewExportUtil.PrepareControlForExport(row);
row.Height = Unit.Pixel(22);
row.HorizontalAlign = HorizontalAlign.Center;
table.Rows.Add(row);
}
// add the footer row to the table
if (gv.FooterRow != null)
{
GridViewExportUtil.PrepareControlForExport(gv.FooterRow);
table.Rows.Add(gv.FooterRow);
}
#region 手动增加头部三行和底部一行
#region ItemList表头行
table.Rows.AddAt(0, new TableRow());
table.Rows[0].Cells.Add(new TableCell());
table.Rows[0].Cells[0].Text = "ITEMS LIST";
table.Rows[0].Cells[0].Font.Bold = true;
table.Rows[0].Cells[0].ColumnSpan = 9;
table.Rows[0].Cells[0].BackColor = System.Drawing.Color.FromArgb(220, 240, 241);
table.Rows[0].Cells[0].ForeColor = System.Drawing.Color.Black;
table.Rows[0].Cells[0].Height = Unit.Pixel(24);
table.Rows[0].Cells[0].Font.Size = FontUnit.Parse("16");
table.Rows[0].Cells[0].HorizontalAlign = HorizontalAlign.Center;
table.Rows[0].Cells[0].BorderWidth = 0;
table.Rows[0].BorderStyle = System.Web.UI.WebControls.BorderStyle.None;
#endregion
#region To S/C No 行
table.Rows.AddAt(1, new TableRow());
table.Rows[1].Cells.Add(new TableCell());
table.Rows[1].Cells[0].Text = "TO：";
table.Rows[1].Cells[0].Font.Bold = true;
table.Rows[1].Cells[0].ColumnSpan = 4;
table.Rows[1].Cells[0].HorizontalAlign = HorizontalAlign.Left;
table.Rows[1].Cells[0].BorderWidth = 0;
table.Rows[1].Cells.Add(new TableCell());
table.Rows[1].Cells[1].Text = "";
table.Rows[1].Cells[1].ColumnSpan = 2;
table.Rows[1].Cells[1].BorderWidth = 0;
table.Rows[1].Cells.Add(new TableCell());
table.Rows[1].Cells[2].Text = "S/C NO：";
table.Rows[1].Cells[2].Font.Bold = true;
table.Rows[1].Cells[2].ColumnSpan = 3;
table.Rows[1].Cells[2].HorizontalAlign = HorizontalAlign.Left;
table.Rows[1].Cells[2].BorderWidth = 0;
#endregion
#region Date 行
table.Rows.AddAt(2, new TableRow());
table.Rows[2].Cells.Add(new TableCell());
table.Rows[2].Cells[0].Text = "";
table.Rows[2].Cells[0].ColumnSpan = 4;
table.Rows[2].Cells[0].HorizontalAlign = HorizontalAlign.Left;
table.Rows[2].Cells[0].BorderWidth = 0;
table.Rows[2].Cells.Add(new TableCell());
table.Rows[2].Cells[1].Text = "";
table.Rows[2].Cells[1].ColumnSpan = 2;
table.Rows[2].Cells[1].BorderWidth = 0;
table.Rows[2].Cells.Add(new TableCell());
table.Rows[2].Cells[2].Text = "DATE：" + DateTime.Now.ToString("yyyy-MM-dd");
table.Rows[2].Cells[2].Font.Bold = true;
table.Rows[2].Cells[2].ColumnSpan = 3;
table.Rows[2].Cells[2].HorizontalAlign = HorizontalAlign.Left;
table.Rows[2].Cells[2].BorderWidth = 0;
#endregion
#region Total 行
table.Rows.Add(new TableRow());
table.Rows[table.Rows.Count - 1].Cells.Add(new TableCell());
table.Rows[table.Rows.Count - 1].Cells[0].Text = "Total：";
table.Rows[table.Rows.Count - 1].Cells[0].ColumnSpan = 2;
table.Rows[table.Rows.Count - 1].Cells[0].HorizontalAlign = HorizontalAlign.Left;
table.Rows[table.Rows.Count - 1].Cells.Add(new TableCell());
table.Rows[table.Rows.Count - 1].Cells[1].Text = "";
table.Rows[table.Rows.Count - 1].Cells.Add(new TableCell());
table.Rows[table.Rows.Count - 1].Cells[2].Text = "";
table.Rows[table.Rows.Count - 1].Cells.Add(new TableCell());
table.Rows[table.Rows.Count - 1].Cells[3].Text = "";
table.Rows[table.Rows.Count - 1].Cells.Add(new TableCell());
table.Rows[table.Rows.Count - 1].Cells[4].Text = "";
table.Rows[table.Rows.Count - 1].Cells.Add(new TableCell());
table.Rows[table.Rows.Count - 1].Cells[5].Text = "";
table.Rows[table.Rows.Count - 1].Cells.Add(new TableCell());
table.Rows[table.Rows.Count - 1].Cells[6].Text = "";
table.Rows[table.Rows.Count - 1].Cells.Add(new TableCell());
table.Rows[table.Rows.Count - 1].Cells[7].Text = "";
#endregion
#endregion
//设置table整体字体样式和大小
table.Font.Name = "宋体";
table.Font.Size = FontUnit.Parse("9.5");
// render the table into the htmlwriter
table.RenderControl(htw);
// render the htmlwriter into the response
HttpContext.Current.Response.Write(sw.ToString());
HttpContext.Current.Response.Write(styleText);
HttpContext.Current.Response.End();
}
}
}
public static void Export2(GridView gv)
{
//dataGridView1.Columns[0].HeaderText 循环列判断是否要设置为数字类型
List<int> list = new List<int>();
int k = 0; //序号
int p = 0; //价格
for (int i = 0; i < gv.HeaderRow.Cells.Count; i++)
{
if (gv.HeaderRow.Cells[i].Text.Contains("No.") || gv.HeaderRow.Cells[i].Text.Contains("Finished Weight(ct)") ||
gv.HeaderRow.Cells[i].Text.Contains("Rough Weight(ct)") || gv.HeaderRow.Cells[i].Text.Contains("Price（USD）")
|| gv.HeaderRow.Cells[i].Text.Contains("Qty"))
{
list.Add(i);
}
if (gv.HeaderRow.Cells[i].Text.Contains("Price（USD）"))
p = i;
}
foreach (GridViewRow row in gv.Rows)
{
int j = 0;
foreach (TableCell cell in row.Cells)
{
if (!list.Contains(j))
{
cell.Style.Add("vnd.ms-excel.numberformat", "@");//给表格内容设置样式
} // end foreach (TableCell cell in row.Cells)
else
{
if (j != 0)
{
if (j == p)
cell.Style.Add("vnd.ms-excel.numberformat", "#,##0.00");
else
cell.Style.Add("vnd.ms-excel.numberformat", "#,##0.000");//保留三位小数的样式,否则为默认样式
}
}
j++;
}
} // end foreach (GridViewRow row in dgExcel.Rows)
HttpContext.Current.Response.Clear();
string styleText = @"<style> .text{mso-number-format:\@;} </style> ";
string fileName = DateTime.Now.ToString("yyyyMMddHHmmss") + ".xls";
HttpContext.Current.Response.AddHeader(
"content-disposition", string.Format("attachment; filename={0}", fileName));
HttpContext.Current.Response.ContentType = "application/ms-excel";
HttpContext.Current.Response.Write("<meta http-equiv=Content-Type content=\"text/html; charset=utf-8\">");
using (StringWriter sw = new StringWriter())
{
using (HtmlTextWriter htw = new HtmlTextWriter(sw))
{
// Create a form to contain the grid
Table table = new Table();
table.GridLines = gv.GridLines;
if (gv.HeaderRow != null)
{
GridViewExportUtil.PrepareControlForExport(gv.HeaderRow);
table.Rows.Add(gv.HeaderRow);
for (int i = 0; i < gv.HeaderRow.Cells.Count; i++)
{
table.Rows[0].Cells[i].BackColor = System.Drawing.Color.FromArgb(220, 240, 241);
table.Rows[0].Cells[i].ForeColor = System.Drawing.Color.Black;
table.Rows[0].Cells[i].Height = Unit.Pixel(24);
}
}
// add each of the data rows to the table
foreach (GridViewRow row in gv.Rows)
{
GridViewExportUtil.PrepareControlForExport(row);
row.Height = Unit.Pixel(22);
row.HorizontalAlign = HorizontalAlign.Center;
table.Rows.Add(row);
}
// add the footer row to the table
if (gv.FooterRow != null)
{
GridViewExportUtil.PrepareControlForExport(gv.FooterRow);
table.Rows.Add(gv.FooterRow);
}
//设置table整体字体样式和大小
table.Font.Name = "宋体";
table.Font.Size = FontUnit.Parse("9.5");
// render the table into the htmlwriter
table.RenderControl(htw);
// render the htmlwriter into the response
HttpContext.Current.Response.Write(sw.ToString());
HttpContext.Current.Response.Write(styleText);
HttpContext.Current.Response.End();
}
}
}
public static void Export(DataTable dt, string PreSellNo)
{
using (GridView gv = new GridView())
{
DataTable dtExport = new DataTable();
dtExport.Columns.Add("No.", Type.GetType("System.Int32"));
dtExport.Columns.Add("Product No.", Type.GetType("System.String"));
dtExport.Columns.Add("Measurement", Type.GetType("System.String"));
dtExport.Columns.Add("Finished Weight(ct)", Type.GetType("System.Decimal"));
dtExport.Columns.Add("Rough Weight(ct)", Type.GetType("System.Decimal"));
dtExport.Columns.Add("Price（USD）", Type.GetType("System.Decimal"));
dtExport.Columns.Add("Discount（%）", Type.GetType("System.String"));
dtExport.Columns.Add("Amount（USD）", Type.GetType("System.Decimal"));
dtExport.Columns.Add("Shape", Type.GetType("System.String"));
int number = 1;
//for (int i = 0; i < 3; i++)
//{
// DataRow rtop = dtExport.NewRow();
// dtExport.Rows.Add(rtop);
//}
foreach (DataRow row in dt.Rows)
{
DataRow r = dtExport.NewRow();
r["No."] = number;
r["Product No."] = row["ProductSN"].ToString();
r["Measurement"] = row["Measurement"].ToString();
r["Finished Weight(ct)"] = row["Weight"].ToString();
r["Rough Weight(ct)"] = row["GrossWeight"].ToString();
r["Price（USD）"] = string.IsNullOrEmpty(row["Price"].ToString()) ? 0 : decimal.Parse(row["Price"].ToString());
r["Discount（%）"] = row["Discount"].ToString();
r["Amount（USD）"] = string.IsNullOrEmpty(row["Amount"].ToString()) ? 0 : decimal.Parse(row["Amount"].ToString());
r["Shape"] = row["Shape"].ToString();
dtExport.Rows.Add(r);
number++;
}
gv.DataSource = dtExport;
gv.DataBind();
Export(gv, PreSellNo);
}
}
public static void Export2(DataTable dt)
{
using (GridView gv = new GridView())
{
DataTable dtExport = new DataTable();
dtExport.Columns.Add("No.", Type.GetType("System.Int32"));
dtExport.Columns.Add("Product No.", Type.GetType("System.String"));
dtExport.Columns.Add("Measurement", Type.GetType("System.String"));
dtExport.Columns.Add("Sort", Type.GetType("System.String"));
dtExport.Columns.Add("Location", Type.GetType("System.String"));
dtExport.Columns.Add("Qty", Type.GetType("System.Int32"));
dtExport.Columns.Add("Finished Weight(ct)", Type.GetType("System.Decimal"));
dtExport.Columns.Add("Rough Weight(ct)", Type.GetType("System.Decimal"));
dtExport.Columns.Add("Price（USD）", Type.GetType("System.Decimal"));
dtExport.Columns.Add("Shape", Type.GetType("System.String"));
dtExport.Columns.Add("CertificateNo", Type.GetType("System.String"));
dtExport.Columns.Add("Color", Type.GetType("System.String"));
dtExport.Columns.Add("Clarity", Type.GetType("System.String"));
dtExport.Columns.Add("Polish", Type.GetType("System.String"));
int number = 1;
foreach (DataRow row in dt.Rows)
{
DataRow r = dtExport.NewRow();
r["No."] = number;
r["Product No."] = row["ProductSN"].ToString();
r["Measurement"] = row["Measurement"].ToString();
r["Sort"] = row["Sort"].ToString();
r["Location"] = row["Location"].ToString();
r["Qty"] = row["Qty"].ToString();
r["Finished Weight(ct)"] = string.IsNullOrEmpty(row["FinishedWeight"].ToString()) ? "0" : row["FinishedWeight"].ToString();
r["Rough Weight(ct)"] = string.IsNullOrEmpty(row["RoughWeight"].ToString()) ? "0" : row["RoughWeight"].ToString();
r["Price（USD）"] = string.IsNullOrEmpty(row["Price"].ToString()) ? 0 : decimal.Parse(row["Price"].ToString());
r["Shape"] = row["Shape"].ToString();
r["CertificateNo"] = row["CertificateNo"].ToString();
r["Color"] = row["Color"].ToString();
r["Clarity"] = row["Clarity"].ToString();
r["Polish"] = row["Polish"].ToString();
dtExport.Rows.Add(r);
number++;
}
gv.DataSource = dtExport;
gv.DataBind();
Export2(gv);
}
}
/// <summary>
/// Replace any of the contained controls with literals
/// </summary>
/// <param name="control"></param>
private static void PrepareControlForExport(Control control)
{
for (int i = 0; i < control.Controls.Count; i++)
{
Control current = control.Controls[i];
if (current is LinkButton)
{
control.Controls.Remove(current);
control.Controls.AddAt(i, new LiteralControl((current as LinkButton).Text));
}
else if (current is ImageButton)
{
control.Controls.Remove(current);
control.Controls.AddAt(i, new LiteralControl((current as ImageButton).AlternateText));
}
else if (current is HyperLink)
{
control.Controls.Remove(current);
control.Controls.AddAt(i, new LiteralControl((current as HyperLink).Text));
}
else if (current is DropDownList)
{
control.Controls.Remove(current);
control.Controls.AddAt(i, new LiteralControl((current as DropDownList).SelectedItem.Text));
}
else if (current is CheckBox)
{
control.Controls.Remove(current);
control.Controls.AddAt(i, new LiteralControl((current as CheckBox).Checked ? "True" : "False"));
}
if (current.HasControls())
{
GridViewExportUtil.PrepareControlForExport(current);
}
}
}
}
public class AsposeCell
{
public static void Export(DataTable dt)
{
var name = DateTime.Now.ToString("yyyyMMddhhmmss") + new Random(DateTime.Now.Second).Next(10000) + ".xls";
MemoryStream ms = OutFileToStream(dt);
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.ContentType = "application/ms-excel";
HttpContext.Current.Response.AddHeader("Content-Type", "application/octet-stream");
HttpContext.Current.Response.Charset = "utf-8";
HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(name, System.Text.Encoding.UTF8));
HttpContext.Current.Response.AddHeader("Content-Length", ms.ToArray().LongLength.ToString());
HttpContext.Current.Response.BinaryWrite(ms.ToArray());
HttpContext.Current.Response.Flush();
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.End();
}
public static void Export(DataTable dt, string xlsName)
{
var name = xlsName + DateTime.Now.ToString("yyyyMMddHHmmss") + new Random(DateTime.Now.Second).Next(10000) + ".xls";
MemoryStream ms = OutFileToStream(dt);
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.ContentType = "application/ms-excel";
HttpContext.Current.Response.AddHeader("Content-Type", "application/octet-stream");
HttpContext.Current.Response.Charset = "utf-8";
HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(name, System.Text.Encoding.UTF8));
HttpContext.Current.Response.AddHeader("Content-Length", ms.ToArray().LongLength.ToString());
HttpContext.Current.Response.BinaryWrite(ms.ToArray());
HttpContext.Current.Response.Flush();
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.End();
}
public static void Export(MemoryStream ms)
{
var name = DateTime.Now.ToString("yyyyMMddhhmmss") + new Random(DateTime.Now.Second).Next(10000) + ".xls";
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.ContentType = "application/ms-excel";
HttpContext.Current.Response.AddHeader("Content-Type", "application/octet-stream");
HttpContext.Current.Response.Charset = "utf-8";
HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(name, System.Text.Encoding.UTF8));
HttpContext.Current.Response.AddHeader("Content-Length", ms.ToArray().LongLength.ToString());
HttpContext.Current.Response.BinaryWrite(ms.ToArray());
HttpContext.Current.Response.Flush();
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.End();
}
public static void Export(MemoryStream ms, string name)
{
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.ContentType = "application/ms-excel";
if (name.ToLower().Contains(".xlsm"))
{
HttpContext.Current.Response.ContentType = "application/vnd.ms-excel.sheet.macroEnabled.12";
}
HttpContext.Current.Response.AddHeader("Content-Type", "application/octet-stream");
HttpContext.Current.Response.Charset = "utf-8";
HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(name, System.Text.Encoding.UTF8));
HttpContext.Current.Response.AddHeader("Content-Length", ms.ToArray().LongLength.ToString());
HttpContext.Current.Response.BinaryWrite(ms.ToArray());
HttpContext.Current.Response.Flush();
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.End();
}
public static MemoryStream OutFileToStream(DataTable dt)
{
Workbook workbook = new Workbook(); //工作簿
workbook.Worksheets.Clear();
for (int j = 0; j < System.Math.Ceiling((dt.Rows.Count / (double)65534)); j++)
{
workbook.Worksheets.Add("" + j);
Worksheet sheet = workbook.Worksheets[j];
Cells cells = sheet.Cells;//单元格
//为标题设置样式
Aspose.Cells.Style styleTitle = workbook.Styles[workbook.Styles.Add()];//新增样式
styleTitle.HorizontalAlignment = TextAlignmentType.Center;//文字居中
styleTitle.Font.Name = "宋体";//文字字体
styleTitle.Font.Size = 18;//文字大小
styleTitle.Font.IsBold = true;//粗体
//样式2
Aspose.Cells.Style style2 = workbook.Styles[workbook.Styles.Add()];//新增样式
style2.HorizontalAlignment = TextAlignmentType.Center;//文字居中
style2.Font.Name = "宋体";//文字字体
style2.Font.Size = 14;//文字大小
style2.Font.IsBold = true;//粗体
style2.IsTextWrapped = false;//单元格内容自动换行
//样式3
Aspose.Cells.Style style3 = workbook.Styles[workbook.Styles.Add()];//新增样式
style3.HorizontalAlignment = TextAlignmentType.Center;//文字居中
style3.Font.Name = "宋体";//文字字体
style3.Font.Size = 12;//文字大小
style2.IsTextWrapped = false;//单元格内容自动换行
int Colnum = dt.Columns.Count;//表格列数
int Rownum = dt.Rows.Count;//表格行数
//生成行2 列名行
for (int i = 0; i < Colnum; i++)
{
cells[0, i].PutValue(dt.Columns[i].ColumnName);
cells[0, i].SetStyle(style2);
cells.SetRowHeight(0, 25);
//for (int col = 0; col < Colnum; col++)
//{
// sheet.AutoFitColumn(col, 0, Rownum-1);
//}
for (int col = 0; col < Colnum; col++)
{
cells.SetColumnWidthPixel(col, cells.GetColumnWidthPixel(col) + 10);
}
}
//生成数据行
for (int i = 0; i < 65534; i++)
{
if ((j * 65534 + i) >= Rownum)
{
break;
}
for (int k = 0; k < Colnum; k++)
{
cells[1 + i, k].PutValue(dt.Rows[j * 65534 + i][k].ToString());
cells[1 + i, k].SetStyle(style3);
}
cells.SetRowHeight(1 + i, 24);
}
}
MemoryStream ms = workbook.SaveToStream();
return ms;
}
public static MemoryStream OutFileToStream(DataSet ds, List<String> SheetNameList)
{
Workbook workbook = new Workbook(); //工作簿
workbook.Worksheets.Clear();
int sheetIndex = 0;
for (int jj = 0; jj < ds.Tables.Count; jj++)
{
DataTable dt = ds.Tables[jj];
for (int j = 0; j < System.Math.Ceiling((dt.Rows.Count / (double)65534)); j++)
{
workbook.Worksheets.Add(sheetIndex + SheetNameList[jj]);
Worksheet sheet = workbook.Worksheets[sheetIndex];
sheetIndex++;
Cells cells = sheet.Cells;//单元格
//为标题设置样式
Aspose.Cells.Style styleTitle = workbook.Styles[workbook.Styles.Add()];//新增样式
styleTitle.HorizontalAlignment = TextAlignmentType.Center;//文字居中
styleTitle.Font.Name = "宋体";//文字字体
styleTitle.Font.Size = 18;//文字大小
styleTitle.Font.IsBold = true;//粗体
//样式2
Aspose.Cells.Style style2 = workbook.Styles[workbook.Styles.Add()];//新增样式
style2.HorizontalAlignment = TextAlignmentType.Center;//文字居中
style2.Font.Name = "宋体";//文字字体
style2.Font.Size = 14;//文字大小
style2.Font.IsBold = true;//粗体
style2.IsTextWrapped = false;//单元格内容自动换行
//样式3
Aspose.Cells.Style style3 = workbook.Styles[workbook.Styles.Add()];//新增样式
style3.HorizontalAlignment = TextAlignmentType.Center;//文字居中
style3.Font.Name = "宋体";//文字字体
style3.Font.Size = 12;//文字大小
style2.IsTextWrapped = false;//单元格内容自动换行
int Colnum = dt.Columns.Count;//表格列数
int Rownum = dt.Rows.Count;//表格行数
//生成行2 列名行
for (int i = 0; i < Colnum; i++)
{
cells[0, i].PutValue(dt.Columns[i].ColumnName);
cells[0, i].SetStyle(style2);
cells.SetRowHeight(0, 25);
//for (int col = 0; col < Colnum; col++)
//{
// sheet.AutoFitColumn(col, 0, Rownum-1);
//}
for (int col = 0; col < Colnum; col++)
{
cells.SetColumnWidthPixel(col, cells.GetColumnWidthPixel(col) + 10);
}
}
//生成数据行
for (int i = 0; i < 65534; i++)
{
if ((j * 65534 + i) >= Rownum)
{
break;
}
for (int k = 0; k < Colnum; k++)
{
cells[1 + i, k].PutValue(dt.Rows[j * 65534 + i][k].ToString());
cells[1 + i, k].SetStyle(style3);
}
cells.SetRowHeight(1 + i, 24);
}
}
}
MemoryStream ms = workbook.SaveToStream();
return ms;
}
}
public class FileToExcel
{
/// <summary>
/// Excel导入成Datable
/// </summary>
/// <param name="file">导入路径(包含文件名与扩展名)</param>
/// <returns></returns>
public static DataTable ExcelToTable(string file)
{
DataTable dt = new DataTable();
IWorkbook workbook;
try
{
string fileExt = Path.GetExtension(file).ToLower();
using (FileStream fs = new FileStream(file, FileMode.Open, FileAccess.Read))
{
//XSSFWorkbook 适用XLSX格式，HSSFWorkbook 适用XLS格式
if (fileExt == ".xlsx")
{ workbook = new XSSFWorkbook(fs); }
else if (fileExt == ".xls")
{ workbook = new HSSFWorkbook(fs); }
else { workbook = null; }
if (workbook == null) { return null; }
ISheet sheet = workbook.GetSheetAt(0);
//表头
IRow header = sheet.GetRow(sheet.FirstRowNum);
List<int> columns = new List<int>();
for (int i = 0; i < header.LastCellNum; i++)
{
ICell cell = header.GetCell(i);
var FillForegroundColor = cell.CellStyle.FillForegroundColor.ToString();
object obj = GetValueType(cell);
if (obj == null || obj.ToString() == string.Empty)
{
//dt.Columns.Add(new DataColumn("Columns" + i.ToString()));
}
else
{
DataColumn dc = new DataColumn(obj.ToString());
if (FillForegroundColor == "15")
dc.AllowDBNull = false;
else
dc.AllowDBNull = true;
dt.Columns.Add(dc);
columns.Add(i);
}
}
//判断模板栏位是否正确 略
#region 判断模板是否正确
#endregion
//end 判断模板栏位正确
//数据
for (int i = sheet.FirstRowNum + 1; i <= sheet.LastRowNum; i++)
{
DataRow dr = dt.NewRow();
bool hasValue = false;
foreach (int j in columns)
{
dr[j] = GetValueType(sheet.GetRow(i).GetCell(j));
if (!string.IsNullOrWhiteSpace(dr[j].ToString()))
{
hasValue = true;
}
else if (!dt.Columns[j].AllowDBNull)
{
string msg = "第 " + i + " 行，列" + dt.Columns[j].ColumnName + "没有输入值";
throw new Exception(msg);
}
}
if (hasValue)
{
dt.Rows.Add(dr);
}
}
}
return dt;
}
catch (Exception ex)
{
throw ex;
}
}
/// <summary>
/// 获取单元格类型
/// </summary>
/// <param name="cell"></param>
/// <returns></returns>
public static object GetValueType(ICell cell)
{
if (cell == null)
return null;
switch (cell.CellType)
{
case CellType.Blank: //BLANK:
return null;
case CellType.Boolean: //BOOLEAN:
return cell.BooleanCellValue;
case CellType.Numeric:
//NUMERIC:
//{
// var time= cell.DateCellValue;
// if (1==1)
// return cell.NumericCellValue;
//}
if (HSSFDateUtil.IsCellDateFormatted(cell))
{
return cell.DateCellValue;
}
else
{
return cell.NumericCellValue;
}
case CellType.String: //STRING:
return cell.StringCellValue;
case CellType.Error: //ERROR:
return cell.ErrorCellValue;
case CellType.Formula: //FORMULA:
default:
return "=" + cell.CellFormula;
}
return cell.StringCellValue;
}
}
}