导出Excel帮助类

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.Data.OleDb;
using System.Web;
using System.Web.UI; namespace AIMSCommon
{
/// <summary>
/// 导出Excel帮助类
/// </summary>
public class ExcelHelper
{
/// <summary>
/// 创建系统异常日志
/// </summary>
//protected static LogHelper Logger = new LogHelper("ExcelHelper");
/// <summary>
/// Excel导出数据
/// </summary>
/// <param name="data">数据源</param>
/// <param name="fileName"></param>
public static void ExportExcel(DataTable data, string fileName)
{
try
{
if (data != null && data.Rows.Count > 0)
{
System.Web.HttpContext.Current.Response.ContentType = "application/vnd.ms-excel";
System.Web.HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8;
System.Web.HttpContext.Current.Response.Charset = "Utf-8";
System.Web.HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(fileName + ".xls", System.Text.Encoding.UTF8)); System.Text.StringBuilder sbHtml = new System.Text.StringBuilder();
sbHtml.AppendLine("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">");
sbHtml.AppendLine("<table cellspacing=\"0\" cellpadding=\"5\" rules=\"all\" border=\"1\">"); //写出列名
sbHtml.AppendLine("<tr style=\"background-color: #FFE88C;font-weight: bold; white-space: nowrap;\">"); foreach (System.Data.DataColumn column in data.Columns)
{
sbHtml.AppendLine("<td>" + column.ColumnName + "</td>");
}
sbHtml.AppendLine("</tr>"); //写数据
foreach (System.Data.DataRow row in data.Rows)
{
sbHtml.Append("<tr>"); foreach (System.Data.DataColumn column in data.Columns)
{
sbHtml.Append("<td>").Append(row[column].ToString()).Append("</td>");
}
sbHtml.AppendLine("</tr>");
}
sbHtml.AppendLine("</table>");
System.Web.HttpContext.Current.Response.Write(sbHtml.ToString());
System.Web.HttpContext.Current.Response.End();
}
}
catch (Exception ex)
{
// Logger.WriteLog("-----------Excel导出数据异常-----------\r\n" + ex.ToString() + "\r\n");
}
} /// <summary>
/// 创建系统异常日志
/// </summary>
//protected static LogHelper Logger = new LogHelper("ExcelHelper");
/// <summary>
/// Excel导出数据
/// </summary>
/// <param name="data">数据源</param>
/// <param name="dataAnother">排班数据源</param>
/// <param name="fileName"></param>
public static void ExportExcel(DataTable data, DataTable dataAnother, string fileName)
{
try
{
if (data != null && data.Rows.Count > 0)
{
System.Web.HttpContext.Current.Response.ContentType = "application/vnd.ms-excel";
System.Web.HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.UTF8;
System.Web.HttpContext.Current.Response.Charset = "Utf-8";
System.Web.HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + HttpUtility.UrlEncode(fileName + ".xls", System.Text.Encoding.UTF8)); System.Text.StringBuilder sbHtml = new System.Text.StringBuilder();
sbHtml.AppendLine("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\">");
sbHtml.AppendLine("<table cellspacing=\"0\" cellpadding=\"5\" rules=\"all\" border=\"1\" style=\" white-space: nowrap;word-break: keep-all;\">"); //写出列名
sbHtml.AppendLine("<tr style=\"background-color: #FFE88C;font-weight: bold;\">"); foreach (System.Data.DataColumn column in data.Columns)
{
sbHtml.AppendLine("<td>" + column.ColumnName + "</td>");
}
sbHtml.AppendLine("</tr>"); //写数据
foreach (System.Data.DataRow row in data.Rows)
{
sbHtml.Append("<tr>");
foreach (System.Data.DataColumn column in data.Columns)
{
sbHtml.Append("<td>").Append(row[column].ToString().Length>0?row[column].ToString():" ").Append("</td>");
}
sbHtml.AppendLine("</tr>");
}
sbHtml.AppendLine("<tr></tr>");
string duty = string.Empty;
foreach (DataRow row in dataAnother.Rows)
{
if (duty == string.Empty)
{
sbHtml.Append("<tr><td>").Append(row["duty"].ToString()).Append("</td><td colspan='" + (data.Columns.Count - 1) + "'>").Append(row["NURSE_NAME"].ToString() + "   ");
}
else if (duty != row["duty"].ToString() && duty != string.Empty)
{
sbHtml.Append("</td></tr><tr><td>").Append(row["duty"].ToString()).Append("</td><td colspan='" + (data.Columns.Count - 1) + "'>").Append(row["NURSE_NAME"].ToString() + "   ");
}
else if (duty == row["duty"].ToString())
{
sbHtml.Append(row["NURSE_NAME"].ToString() + "   ");
}
duty = row["duty"].ToString();
}
sbHtml.Append("</td></tr>");
sbHtml.AppendLine("</table>");
System.Web.HttpContext.Current.Response.Write(sbHtml.ToString());
System.Web.HttpContext.Current.Response.End();
}
}
catch (Exception ex)
{
// Logger.WriteLog("-----------Excel导出数据异常-----------\r\n" + ex.ToString() + "\r\n");
}
}
/// <summary>
/// Excel检查版本
/// </summary>
/// <param name="fileName"></param>
/// <returns></returns>
private static string ConnectionString(string fileName)
{
bool isExcel2003 = fileName.EndsWith(".xls");
string connectionString = string.Format(
isExcel2003
? "Provider=Microsoft.Jet.OLEDB.4.0;Data Source={0};Extended Properties=Excel 8.0;"
: "Provider=Microsoft.ACE.OLEDB.12.0;Data Source={0};Extended Properties=\"Excel 12.0 Xml;HDR=YES\"",
fileName);
return connectionString;
}
/// <summary>
/// Excel导入数据源
/// </summary>
/// <param name="sheet">sheet</param>
/// <param name="filename">文件路径</param>
/// <returns></returns>
public static DataTable ExcelToDataSet(string sheet, string filename)
{
try
{
DataSet ds;
OleDbConnection myConn = new OleDbConnection(ConnectionString(filename));
string strCom = " SELECT * FROM [" + sheet + "$]";
myConn.Open();
OleDbDataAdapter myCommand = new OleDbDataAdapter(strCom, myConn);
ds = new DataSet();
myCommand.Fill(ds);
myConn.Close();
return ds.Tables[0];
}
catch (Exception ex)
{
//Logger.WriteLog("-----------Excel导入数据异常-----------\r\n" + ex.ToString() + "\r\n");
return null;
}
} }
}
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