/// <summary>
/// 下载文件
/// </summary>
/// <param name="filePath">文件的路径</param>
/// <param name="fileName">文件名(有时候文件名存在数据库中用于替换路径中的文件名)</param>
public void FileDownLoad(string filePath, string fileName)
{
//判断文件是否存在
if (System.IO.File.Exists(filePath))
{
FileInfo file = new FileInfo(filePath);
Response.Clear();
Response.AddHeader("Content-Disposition", "attachment; filename=" + Server.UrlEncode(fileName));//解决中文文件名乱码
Response.AddHeader("Content-Length", file.Length.ToString());
Response.ContentType = "application/octet-stream";
Response.Filter.Close();
Response.WriteFile(file.FullName);
Response.End();
}
}