using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Linq;
using System.IO;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using BLL;
namespace FineUIPro.Web.AttachFile
{
public partial class webuploader : PageBase
{
public string ToKeyId
{
get
{
return (string)ViewState["ToKeyId"];
}
set
{
ViewState["ToKeyId"] = value;
}
}
public string AttachPath
{
get
{
return (string)ViewState["AttachPath"];
}
set
{
ViewState["AttachPath"] = value;
}
}
public string sessionName
{
get
{
return (string)ViewState["sessionName"];
}
set
{
ViewState["sessionName"] = value;
}
}
public string ParamStr
{
get
{
return (string)ViewState["ParamStr"];
}
set
{
ViewState["ParamStr"] = value;
}
}
public string FileType
{
get
{
return (string)ViewState["FileType"];
}
set
{
ViewState["FileType"] = value;
}
}
public string MenuId
{
get
{
return (string)ViewState["MenuId"];
}
set
{
ViewState["MenuId"] = value;
}
}
protected void Page_Load(object sender, EventArgs e)
{
if (!IsPostBack)
{
GetButtonPower(Request.QueryString["edit"]);
// 删除选中行
btnDelete.OnClientClick = Grid1.GetNoSelectionAlertReference("请至少选择一项！");
btnDelete.ConfirmText = String.Format("你确定要删除选中的 <b><script>{0}</script></b> 个文件吗？", Grid1.GetSelectedCountReference());
ToKeyId = Request.QueryString["toKeyId"];
AttachPath = Request.QueryString["path"];
MenuId = Request.QueryString["menuId"];
FileType = Request.QueryString["fileType"];
if (FileType == "1")
{
sessionName = "AttachFile.webuploader1";
}
else if (FileType == "2")
{
sessionName = "AttachFile.webuploader2";
}
else
{
sessionName = "AttachFile.webuploader3";
}
ParamStr = sessionName + "|" + AttachPath;
Session["AttachFile.webuploader1"] = null;
Session["AttachFile.webuploader2"] = null;
Session["AttachFile.webuploader3"] = null;
BindGrid();
}
else
{
if (GetRequestEventArgument() == "RebindGrid")
{
BindGrid();
}
}
}
#region BindGrid
private void BindGrid()
{
Grid1.DataSource = GetSourceData();
Grid1.DataBind();
}
#endregion
#region Events
protected void btnDelete_Click(object sender, EventArgs e)
{
foreach (string rowId in Grid1.SelectedRowIDArray)
{
DeleteRow(rowId);
}
BindGrid();
}
protected void Grid1_RowCommand(object sender, GridCommandEventArgs e)
{
if (e.CommandName == "Delete")
{
if (Request.QueryString["edit"] == "1")
{
DeleteRow(e.RowID);
BindGrid();
}
else
{
ShowNotify("您没有删除附件权限，请与管理员联系!");
}
}
if (e.CommandName == "Attach")
{
JArray source = GetSourceData();
for (int i = 0, count = source.Count; i < count; i++)
{
JObject item = source[i] as JObject;
if (item.Value<string>("id") == e.RowID)
{
try
{
string savedName = item.Value<string>("savedName");
string url = BLL.Funs.RootPath + AttachPath + "\\" + savedName;
FileInfo info = new FileInfo(url);
if (!info.Exists || string.IsNullOrEmpty(savedName))
{
url = BLL.Funs.RootPath + "Images//Null.jpg";
info = new FileInfo(url);
}
string fileName = Path.GetFileName(url);
long fileSize = info.Length;
System.Web.HttpContext.Current.Response.Clear();
System.Web.HttpContext.Current.Response.ContentType = "application/x-zip-compressed";
System.Web.HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8));
System.Web.HttpContext.Current.Response.AddHeader("Content-Length", fileSize.ToString());
System.Web.HttpContext.Current.Response.TransmitFile(url, 0, fileSize);
System.Web.HttpContext.Current.Response.Flush();
System.Web.HttpContext.Current.Response.Close();
}
catch (Exception)
{
}
}
}
}
}
#endregion
#region GetSourceData
private JArray GetSourceData()
{
if (Session[sessionName] == null)
{
var sour = from x in BLL.Funs.DB.AttachFile where x.ToKeyId == ToKeyId select x;
if (sour.Count() > 0)
{
Session[sessionName] = JArray.Parse(sour.First().AttachSource);
}
else
{
Session[sessionName] = new JArray();
}
}
return (JArray)Session[sessionName];
}
private void DeleteRow(string rowId)
{
JArray source = GetSourceData();
for (int i = 0, count = source.Count; i < count; i++)
{
JObject item = source[i] as JObject;
if (item.Value<string>("id") == rowId)
{
try
{
string savedName = item.Value<string>("savedName");
System.IO.File.Delete(Server.MapPath("~/" + AttachPath + "\\" + savedName));
}
catch (Exception)
{
// 尝试删除物理文件失败，不做处理
}
source.RemoveAt(i);
break;
}
}
Session[sessionName] = source;
}
#endregion
/// <summary>
/// 保存按钮事件
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
protected void btnSave_Click(object sender, EventArgs e)
{
Model.EProjectDB db = Funs.DB;
JArray source = GetSourceData();
string attachUrl = string.Empty;
for (int i = 0, count = source.Count; i < count; i++)
{
JObject item = source[i] as JObject;
attachUrl += AttachPath + "\\" + item.Value<string>("savedName") + ",";
}
if (!string.IsNullOrEmpty(attachUrl))
{
attachUrl = attachUrl.Replace('/', '\\');
attachUrl = attachUrl.Substring(0, attachUrl.LastIndexOf(","));
}
var sour = from x in db.AttachFile where x.ToKeyId == ToKeyId select x;
if (sour.Count() == 0)
{
Model.AttachFile att = new Model.AttachFile();
att.ToKeyId = ToKeyId;
att.AttachSource = source.ToString();
att.AttachUrl = attachUrl;
att.MenuId = MenuId;
BLL.AttachFileService.AddAttachFile(att);
}
else
{
Model.AttachFile att = db.AttachFile.FirstOrDefault(x => x.AttachFileId == sour.First().AttachFileId);
if (att != null)
{
att.ToKeyId = ToKeyId;
att.AttachSource = source.ToString();
att.AttachUrl = attachUrl;
att.MenuId = MenuId;
BLL.AttachFileService.updateAttachFile(att);
}
}
ShowNotify("保存成功!");
}
#region 获取权限按钮
/// <summary>
/// 获取按钮权限
/// </summary>
/// <param name="button"></param>
/// <returns></returns>
private void GetButtonPower(string isEnabelEdit)
{
if (isEnabelEdit == "1")
{
toolBar1.Hidden = false;
}
else
{
toolBar1.Hidden = true;
}
}
#endregion
protected void btnChange_Click(object sender, EventArgs e)
{
//var law = from x in Funs.DB.Common_LawRegulation select x;
//foreach (var q in law)
//{
// InsertAttachFile(q.LawRegulationId, q.AttachUrl, "96DE448F-0629-40BC-2222-3E79686D3343");
//}
//var co = from x in Funs.DB.Common_ConstructionStandardList select x;
//foreach (var q in co)
//{
// InsertAttachFile(q.StandardId, q.AttachUrl, "46EE9F79-64CF-4BF4-2222-67E73B1ECB2F");
//}
//var edu = from x in Funs.DB.HSSE_Train_EduTrainType select x;
//foreach (var q in edu)
//{
// InsertAttachFile(q.EduTrainTypeCode, q.AttachUrl, "9D99A981-7380-4085-3333-8C3B1AFA6202");
//}
}
#region 多附件转化方法
/// <summary>
/// 多附件转化方法
/// </summary>
/// <param name="ID"></param>
/// <param name="attachUrl"></param>
private void InsertAttachFile(string ID, string attachUrl, string menuId)
{
if (!string.IsNullOrEmpty(attachUrl))
{
var att = Funs.DB.AttachFile.FirstOrDefault(x => x.ToKeyId == ID);
if (att == null)
{
Model.AttachFile newAttachFile = new Model.AttachFile();
newAttachFile.AttachFileId = SQLHelper.GetNewID(typeof(Model.AttachFile));
newAttachFile.ToKeyId = ID;
string attachSource = string.Empty;
int strInt = attachUrl.LastIndexOf("~");
if (strInt < 0)
{
strInt = attachUrl.LastIndexOf("\\");
}
string name = attachUrl.Substring(strInt + 1);
string type = attachUrl.Substring(attachUrl.LastIndexOf(".") + 1);
string savedName = attachUrl.Substring(attachUrl.LastIndexOf("\\") + 1);
string id = SQLHelper.GetNewID(typeof(Model.AttachFile));
attachSource = "[ { \"name\": \"" + name + "\", \"type\": \"" + type + "\", \"savedName\": \"" + savedName
+ "\", \"size\": 100, \"id\": \"" + SQLHelper.GetNewID(typeof(Model.AttachFile)) + "\" }]";
newAttachFile.AttachSource = attachSource;
if (menuId == "9D99A981-7380-4085-3333-8C3B1AFA6202")
{
newAttachFile.AttachUrl = attachUrl.Replace("\\File\\", "FileUpload\\HSSE\\");
}
else
{
newAttachFile.AttachUrl = attachUrl.Replace("\\Law\\", "\\Common\\");
}
newAttachFile.MenuId = menuId;
Funs.DB.AttachFile.InsertOnSubmit(newAttachFile);
Funs.DB.SubmitChanges();
}
else
{
if (string.IsNullOrEmpty(att.MenuId))
{
att.MenuId = menuId;
Funs.DB.SubmitChanges();
}
}
}
}
#endregion
}
}