protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
System.Web.HttpFileCollection uploadFiles = request.Files;//获取需要上传的文件
System.Web.HttpPostedFile theFile;
string savepath = Server.MapPath(".") + "\\templateFile\\";
if (uploadFiles.Count == 0)
{
response.Write("没有文件上传！");
}
else
{
for (int i = 0; i < uploadFiles.Count; i++)
{
theFile = uploadFiles[i];
if (uploadFiles.GetKey(i) == "upLoadFile")
{
string myfileName = Request.Params["filename"];
myfileName = Server.UrlDecode(myfileName);
theFile.SaveAs(savepath + theFile.FileName);
response.Write("保存成功！");
}
}
}
}
}
/// <summary>
/// ��֤�ļ��ϴ���ʽ
/// </summary>
/// <param name="files"> files ���� </param>
/// <param name="controlName">�ؼ�nameֵ</param>
/// <param name="allowExtensions">�ϴ��ļ���ʽ ��[".jpg","gif"]</param>
/// <param name="allowExtensions">�ļ��ϴ���С���ƣ���λΪM��Ϊnull��Ĭ��</param>
/// <param name="allowExtensions">��֤������Ϣ</param>
/// <returns></returns>
public static bool CheckFileType(HttpFileCollection files, string controlName, string[] allowExtensions, int? fileSize, out string msg)
{
bool fileAllow = false;
msg = "";
if (fileSize == null) { fileSize = 5; };
if (files != null && files.Count > 0)
{
for (int i = 0; i < files.Count; i++)
{
if (files.GetKey(i).ToString() == controlName)
{
if (files[i] != null && files[i].FileName.Trim() == "")
{
return true;
}
if (files[i].ContentLength / 1024 / 1024 > fileSize)
{
msg = files[i].FileName + " �ļ��������ϴ�!";
return false;
}
string fileExtension = System.IO.Path.GetExtension(files[i].FileName).ToLower();
for (int j = 0; j < allowExtensions.Length; j++)
{
if (fileExtension.ToLower() == allowExtensions[j].ToLower())
{
fileAllow = true;
}
}
}
}
}
if (!fileAllow)
{
msg = "�ļ���ʽ����ȷ!";
}
else
{
msg = "��֤�ɹ�!";
}
return fileAllow;
}
public override string GetKey(int index)
{
return(w.GetKey(index));
}
/// <summary>
/// 获取并上传附件
/// </summary>
public void UpFileData()
{
string strNewAttachIds = string.Empty;
string dataField = Request.Form["dataField"];
string instanceID = Request.Form["InstanceID"] + string.Empty;
//新加的属性，待确认
//ERROR:
string schemaCode = Request.Form["SchemaCode"] + string.Empty;
string bizObjectID = Request.Form["BizObjectID"] + string.Empty;
//string workflowPackage = Request.Form["WorkflowPackage"] + string.Empty;
//string workflowName = Request.Form["WorkflowName"] + string.Empty;
if (dataField == string.Empty)
{
return;
}
System.Web.HttpPostedFile theFile;
//说明:若控件的参数 <PARAM NAME="DelFileField" VALUE="DELETE_FILE_NAMES">
//则,从Request.Form得到的DELETE_FILE_NAMES集合包含了所有需要删除的文件
//也就是客户端修改过的文件名
string[] delFileNames = Request.Form.GetValues("DELETE_FILE_NAMES");
System.Web.HttpFileCollection uploadFiles = Request.Files;
try
{
OThinker.H3.Data.AttachmentHeader[] headers = null;
if (instanceID != string.Empty)
{
headers = OThinker.H3.Controllers.AppUtility.Engine.BizObjectManager.QueryAttachment(schemaCode, bizObjectID, dataField, OThinker.Data.BoolMatchValue.True, string.Empty);
}
// 增加保存附件文件
for (int i = 0; i < uploadFiles.Count; i++)
{
theFile = uploadFiles[i];
// "EDITFILE"和客户端的BeginSaveToURL的第二个参数一致
if (uploadFiles.GetKey(i).ToUpper() == "EDITFILE")
{
// 写入FILE数据
string fname = theFile.FileName;
int fsize = theFile.ContentLength;
string contentType = theFile.ContentType;
byte[] buffer = new byte[theFile.ContentLength];
theFile.InputStream.Read(buffer, 0, fsize);
OThinker.H3.Data.Attachment attachment = new OThinker.H3.Data.Attachment()
{
ObjectID = Guid.NewGuid().ToString(),
FileName = fname,
ContentType = string.Empty,
Content = buffer,
DataField = HttpUtility.UrlDecode(dataField),
CreatedBy = OThinker.Organization.User.AdministratorID,
Downloadable = true,
BizObjectId = bizObjectID,
BizObjectSchemaCode = schemaCode
};
strNewAttachIds += attachment.ObjectID + ",";
OThinker.H3.Controllers.AppUtility.Engine.BizObjectManager.AddAttachment(attachment);
}
}
if (headers != null && delFileNames != null)
{
foreach (OThinker.H3.Data.AttachmentHeader header in headers)
{
if (Array.IndexOf <string>(delFileNames, header.FileName) > -1)
{
OThinker.H3.Controllers.AppUtility.Engine.BizObjectManager.RemoveAttachment(OThinker.Organization.User.AdministratorID,
schemaCode,
header.BizObjectId,
header.ObjectID);
}
}
}
Response.Write(strNewAttachIds);
}
catch (Exception err)
{
OThinker.H3.Controllers.AppUtility.Engine.LogWriter.Write("NTKO Attachment ERROR:" + err.ToString());
}
}
/// <summary>
/// ���ļ��ϴ�
/// </summary>
/// <param name="files">Request.Files ����</param>
/// <param name="controlName">�ϴ��ؼ���name ֵ</param>
/// <param name="folderName">�ļ��ϴ����ļ�����</param>
/// <param name="filePath">�����ļ��Ĵ洢����·������</param>
/// <returns></returns>
public static bool FileUpLoad(HttpFileCollection files, string controlName, string folderName, out IList<string> filePath)
{
filePath = new List<string>();
if (files != null && files.Count > 0)
{
for (int i = 0; i < files.Count; i++)
{
if (files.GetKey(i).ToString().ToUpper() == controlName.ToUpper())
{
string path = "/uploadFiles/" + folderName + "/" + (GetTimeRandom() + Path.GetExtension(files[i].FileName));
filePath.Add(path);
try
{
files[i].SaveAs(System.Web.HttpContext.Current.Server.MapPath(path));
}
catch
{
return false;
}
}
}
}
return true;
}
public override string GetKey(int index)
{
return(_collection.GetKey(index));
}
