DataTable导出为word,excel,html,csv,pdf,.txt
using System; using System.Data; using System.Configuration; using System.Collections; using System.Web; using System.Web.Security; using System.Web.UI; using System.Web.UI.WebControls; using System.Web.UI.WebControls.WebParts; using System.Web.UI.HtmlControls; using System.Data.SqlClient; using System.Collections.Generic; //using iTextSharp.text; //using iTextSharp.text.pdf; using System.IO; using System.Text; //using iTextSharp.text.html; using System.Xml; using iTextSharp; using iTextSharp.text; using iTextSharp.text.pdf; using System.Reflection; namespace zjf.Utility { public class Print { /// <summary> //导出word文件 /// </summary> /// <param name="FileType"></param> /// <param name="FileName"></param> public void ExportToDoc(string FileName, System.Web.UI.Control control) { string strFileName = System.Web.HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8); HttpContext.Current.Response.Clear(); HttpContext.Current.Response.Buffer = true; HttpContext.Current.Response.Charset = "GB2312"; HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + strFileName + ".doc"); HttpContext.Current.Response.ContentType = "application/ms-word"; control.EnableViewState = false; System.IO.StringWriter swOut = new System.IO.StringWriter(); HtmlTextWriter hTw = new HtmlTextWriter(swOut); control.RenderControl(hTw); HttpContext.Current.Response.Write(swOut.ToString());//////////////////////去除字符 HttpContext.Current.Response.End(); } /// <summary> /// 导出EXCEl文件 /// </summary> /// <param name="FileType"></param> /// <param name="FileName"></param> public void ExportToExcel(string FileName, System.Web.UI.Control control) { string strFileName = System.Web.HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8); HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + strFileName + ".xls"); HttpContext.Current.Response.Charset = "UTF-8"; HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8; HttpContext.Current.Response.ContentType = "application/ms-excel";//image/JPEG;text/HTML;image/GIF;vnd.ms-excel/msword control.Page.EnableViewState = false; System.IO.StringWriter tw = new System.IO.StringWriter(); System.Web.UI.HtmlTextWriter hw = new System.Web.UI.HtmlTextWriter(tw); control.RenderControl(hw); HttpContext.Current.Response.Write("<meta http-equiv=Content-Type content=\"text/html; charset=UTF-8\">"); HttpContext.Current.Response.Write(tw.ToString().Trim());//////////////////////去除字符 HttpContext.Current.Response.End(); System.Web.HttpContext.Current.Response.End(); } /// <summary> /// 导出html ................... /// </summary> /// <param name="FileName"></param> /// <param name="control"></param> public void ExportTohtml(string FileName, System.Web.UI.Control control) { HttpContext.Current.Response.Clear(); HttpContext.Current.Response.Buffer = true; string strFileName = System.Web.HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8); HttpContext.Current.Response.Charset = "GB2312"; //Response.Charset = "GB2312"; HttpContext.Current.Response.ContentEncoding = Encoding.GetEncoding("GB2312"); //Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8).ToString()); HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + strFileName + ".htm"); //Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8).ToString()); HttpContext.Current.Response.ContentType = "application/ms-html"; ; control.EnableViewState = false; System.IO.StringWriter oStringWriter = new System.IO.StringWriter(); System.Web.UI.HtmlTextWriter oHtmlTextWriter = new System.Web.UI.HtmlTextWriter(oStringWriter); StringWriter tw = new StringWriter(); HtmlTextWriter hw = new HtmlTextWriter(tw); //GridView1.RenderControl(hw); HttpContext.Current.Response.Output.Write(tw.ToString()); HttpContext.Current.Response.Flush(); control.RenderControl(oHtmlTextWriter); HttpContext.Current.Response.Write(oStringWriter.ToString()); HttpContext.Current.Response.End(); } /// <summary> /// 导出CSV /// </summary> /// <param name="FileName"></param> /// <param name="control"></param> public void ExportTocsv(string FileName, DataSet ds) { string strFileName = System.Web.HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8); string data = ExportCSV(ds); string temp = string.Format("attachment;filename={0}", strFileName + ".csv"); // Response.ClearHeaders(); HttpContext.Current.Response.AppendHeader("Content-disposition", temp); HttpContext.Current.Response.Write(data); HttpContext.Current.Response.End(); } /// <summary> /// 将DataSet导出成CSV格式 /// </summary> /// <param name="ds">DataSet</param> /// <returns>CSV字符串数据</returns> public static string ExportCSV(DataSet ds) { string data = ""; //data = ds.DataSetName + "\n"; foreach (DataTable tb in ds.Tables) { data += tb.TableName + "\n"; //写出列名 foreach (DataColumn column in tb.Columns) { data += column.ColumnName + ","; } data += "\n"; //写出数据 foreach (DataRow row in tb.Rows) { foreach (DataColumn column in tb.Columns) { data += row[column].ToString() + ","; } data += "\n"; } data += "\n"; } return data; } public void ExportPDF(DataTable datatable) { try { Document document = new Document(); PdfWriter.GetInstance(document, new FileStream("Chap0101.pdf", FileMode.Create)); document.Open(); BaseFont bfChinese = BaseFont.CreateFont("C:WINDOWSFontssimsun.ttc,1", BaseFont.IDENTITY_H, BaseFont.NOT_EMBEDDED); Font fontChinese = new Font(bfChinese, 12, Font.NORMAL, new Color(0, 0, 0)); // document.Add(new Paragraph(this.TextBox1.Text.ToString(), fontChinese)); // iTextSharp.text.Image jpeg = iTextSharp.text.Image.GetInstance(Server.MapPath("pic015.jpg")); // document.Add(jpeg); PdfPTable table = new PdfPTable(datatable.Columns.Count); for (int i = 0; i < datatable.Rows.Count; i++) { for (int j = 0; j < datatable.Columns.Count; j++) { table.AddCell(new Phrase(datatable.Rows[i][j].ToString(), fontChinese)); } } document.Add(table); document.Close(); } catch (DocumentException de) { HttpContext.Current.Response.Write(de.ToString()); } } } }
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