/// <summary>
/// EPPlus导出Excel(2003/2007)
/// </summary>
/// <typeparam name="T">泛型类型</typeparam>
/// <param name="list">源泛型集合</param>
/// <param name="fileName">文件名</param>
/// <param name="columnName">表头数组</param>
/// <param name="ext">扩展名(.xls|.xlsx)可选参数</param>
/// <param name="responseEnd">是否输出结束，默认：是</param>
/// <param name="action">sheet自定义处理委托</param>
public static void EPPlusExportExcel <T>(List <T> list, string fileName, string[] columnName = null, string ext = ".xlsx", bool responseEnd = true, Action <ExcelWorksheet> action = null) where T : class, new()
{
if (list?.Count > 0)
{
try
{
using (var package = new ExcelPackage())
{
//配置文件属性
package.Workbook.Properties.Category = "类别";
package.Workbook.Properties.Author = "作者";
package.Workbook.Properties.Comments = "备注";
package.Workbook.Properties.Company = "公司名称";
package.Workbook.Properties.Keywords = "关键字";
package.Workbook.Properties.Manager = "张强";
package.Workbook.Properties.Status = "内容状态";
package.Workbook.Properties.Subject = "主题";
package.Workbook.Properties.Title = "标题";
package.Workbook.Properties.LastModifiedBy = "最后一次保存者";
using (var sheet = package.Workbook.Worksheets.Add("Sheet1"))
{
//设置Excel头部标题
if (columnName != null)
{
for (var i = 0; i < columnName.Length; i++)
{
sheet.Cells[1, i + 1].Value = columnName[i];
}
sheet.Cells["A2"].LoadFromCollection(list, false, TableStyles.Light10);
}
else
{
sheet.Cells["A1"].LoadFromCollection(list, true, TableStyles.Light10);
}
//单元格自动适应大小
sheet.Cells.AutoFitColumns();
//单独设置单元格
action?.Invoke(sheet);
//写到客户端（下载）
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.Charset = "utf-8";
HttpContext.Current.Response.AddHeader("content-disposition", $"attachment;filename={HttpUtility.UrlEncode(fileName + ext, Encoding.UTF8)}");
HttpContext.Current.Response.ContentType = "application/ms-excel";
HttpContext.Current.Response.ContentEncoding = Encoding.GetEncoding("utf-8");
HttpContext.Current.Response.BinaryWrite(package.GetAsByteArray());
HttpContext.Current.Response.Flush();
if (responseEnd)
{
HttpContext.Current.Response.End();
}
}
}
}
catch (Exception ex)
{
LogHelper.Error(ex, "EPPlus导出Excel(2003/2007)");
}
}
else
{
MessageHelper.Alert("暂无数据可导出！", HttpContext.Current.Request.Url.ToString(), 2);
}
}