string json = "";
string newfilename = "";
string path = "";
try
{
if (context.Request.Files["file_upload"] != null && context.Request.Files["file_upload"].FileName != "")
{
string hzm = System.IO.Path.GetExtension(context.Request.Files["file_upload"].FileName);//后缀名 如 .doc
string[] a = { ".txt", ".jpg", ".jpeg", ".gif", ".png", ".docx", ".doc", ".xlsx", ".xls", ".rar", ".zip",".pdf" };//设定好了的格式
if (!a.Contains(hzm))
{
json = "{\"statusCode\":\"300\",\"message\":\"文件格式不正确\",\"navTabId\":\"nav6\",\"rel\":\"\",\"callbackType\":\"\",\"forwardUrl\":\"\"}";
return json;
}
else
{
int defaulsize = Convert.ToInt32(System.Configuration.ConfigurationManager.AppSettings["filesize"]);//取得设置的默认文件的大小
int filesize = (context.Request.Files["file_upload"].ContentLength) / 1024; //取得上传的文件的大小，单位为bytes
if (filesize < defaulsize)
{
#region 对文件进行操作
newfilename = DateTime.Now.ToString("yyyyMMddHHmmssfff") + hzm;//文件的新名字 如20120711105734222.doc
path = System.Web.HttpContext.Current.Server.MapPath("~/UploadFile//");//文件保存的路径
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
#endregion
}
else
{
//超过了文件的大小
json = "{\"statusCode\":\"300\",\"message\":\"上传的文件超过了3000M,请重新选择\",\"navTabId\":\"nav6\",\"rel\":\"\",\"callbackType\":\"\",\"forwardUrl\":\"\"}";
return json;
}
}
}
}
catch (Exception)
{
json = "{\"statusCode\":\"300\",\"message\":\"文件格式不正确\",\"navTabId\":\"nav6\",\"rel\":\"\",\"callbackType\":\"\",\"forwardUrl\":\"\"}";
return json;
}
if (newfilename != "")
{
context.Request.Files["file_upload"].SaveAs(path + newfilename); //保存文件
}
