355 lines
12 KiB
C#
355 lines
12 KiB
C#
using Newtonsoft.Json.Linq;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.IO;
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using System.Web;
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using System.Web.UI;
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using System.Web.UI.WebControls;
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using BLL;
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namespace FineUIPro.Web.AttachFile
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{
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public partial class webuploader2 : PageBase
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{
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private static readonly string sessionName = "AttachFile.webuploader";
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protected string ParamStr;
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public string ToKeyId
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{
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get
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{
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return (string)ViewState["ToKeyId"];
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}
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set
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{
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ViewState["ToKeyId"] = value;
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}
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}
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public string AttachPath
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{
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get
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{
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return (string)ViewState["AttachPath"];
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}
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set
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{
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ViewState["AttachPath"] = value;
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}
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}
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public string MenuId
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{
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get
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{
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return (string)ViewState["MenuId"];
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}
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set
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{
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ViewState["MenuId"] = value;
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}
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}
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public string AType
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{
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get
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{
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return (string)ViewState["AType"];
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}
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set
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{
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ViewState["AType"] = value;
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}
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}
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protected void Page_Load(object sender, EventArgs e)
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{
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if (!IsPostBack)
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{
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// 删除选中行
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btnDelete.OnClientClick = Grid1.GetNoSelectionAlertReference("请至少选择一项！");
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btnDelete.ConfirmText = String.Format("你确定要删除选中的 <b><script>{0}</script></b> 个文件吗？", Grid1.GetSelectedCountReference());
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Session[sessionName] = null;
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ToKeyId = Request.QueryString["toKeyId"];
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if (!string.IsNullOrEmpty(Request.QueryString["strParam"]))
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{
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this.ToKeyId = this.ToKeyId + "#" + Request.QueryString["strParam"];
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}
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AttachPath = Request.QueryString["path"];
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ParamStr = sessionName + "|" + AttachPath;
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MenuId = Request.QueryString["menuId"];
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try
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{
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AType = Request.QueryString["type"];
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if (!string.IsNullOrEmpty(AType))
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{
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if (AType == "view")
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{
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this.Toolbar1.Hidden = true;
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this.Grid1.Columns[4].Hidden = true;
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}
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}
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}
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catch {
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}
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BindGrid();
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}
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else
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{
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if (GetRequestEventArgument() == "RebindGrid")
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{
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BindGrid();
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}
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}
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}
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#region BindGrid
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private void BindGrid()
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{
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Grid1.DataSource = GetSourceData();
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Grid1.DataBind();
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}
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#endregion
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#region Events
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protected void btnDelete_Click(object sender, EventArgs e)
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{
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foreach (string rowId in Grid1.SelectedRowIDArray)
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{
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DeleteRow(rowId);
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}
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BindGrid();
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}
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protected void Grid1_RowCommand(object sender, GridCommandEventArgs e)
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{
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if (e.CommandName == "Delete")
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{
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DeleteRow(e.RowID);
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BindGrid();
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}
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if (e.CommandName == "Attach")
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{
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JArray source = GetSourceData();
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for (int i = 0, count = source.Count; i < count; i++)
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{
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JObject item = source[i] as JObject;
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if (item.Value<string>("id") == e.RowID)
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{
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try
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{
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string savedName = item.Value<string>("savedName");
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string url = BLL.Funs.RootPath + AttachPath + "\\" + savedName;
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FileInfo info = new FileInfo(url);
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if (!info.Exists || string.IsNullOrEmpty(savedName))
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{
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url = BLL.Funs.RootPath + "Images//Null.jpg";
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info = new FileInfo(url);
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}
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string fileName = Path.GetFileName(url);
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long fileSize = info.Length;
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System.Web.HttpContext.Current.Response.Clear();
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System.Web.HttpContext.Current.Response.ContentType = "application/x-zip-compressed";
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System.Web.HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode(fileName, System.Text.Encoding.UTF8));
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System.Web.HttpContext.Current.Response.AddHeader("Content-Length", fileSize.ToString());
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System.Web.HttpContext.Current.Response.TransmitFile(url, 0, fileSize);
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System.Web.HttpContext.Current.Response.Flush();
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System.Web.HttpContext.Current.Response.Close();
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}
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catch (Exception)
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{
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}
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}
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}
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}
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}
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#endregion
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#region GetSourceData
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private JArray GetSourceData()
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{
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if (Session[sessionName] == null)
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{
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var sour = from x in BLL.Funs.DB.AttachFile where x.ToKeyId == ToKeyId select x;
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if (sour.Count() > 0)
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{
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Session[sessionName] = JArray.Parse(sour.First().AttachSource);
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}
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else
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{
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Session[sessionName] = new JArray();
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}
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}
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return (JArray)Session[sessionName];
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}
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private void DeleteRow(string rowId)
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{
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JArray source = GetSourceData();
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for (int i = 0, count = source.Count; i < count; i++)
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{
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JObject item = source[i] as JObject;
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if (item.Value<string>("id") == rowId)
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{
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try
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{
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string savedName = item.Value<string>("savedName");
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System.IO.File.Delete(Server.MapPath("~/" + AttachPath + "\\" + savedName));
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}
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catch (Exception)
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{
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// 尝试删除物理文件失败，不做处理
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}
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source.RemoveAt(i);
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break;
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}
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}
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Session[sessionName] = source;
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}
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#endregion
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/// <summary>
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/// 保存按钮事件
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/// </summary>
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/// <param name="sender"></param>
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/// <param name="e"></param>
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protected void btnSave_Click(object sender, EventArgs e)
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{
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Model.FCLDB db = Funs.DB;
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JArray source = GetSourceData();
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string attachUrl = string.Empty;
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for (int i = 0, count = source.Count; i < count; i++)
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{
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JObject item = source[i] as JObject;
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if (item.Value<string>("savedName").Contains("&") || item.Value<string>("savedName").Contains(">")
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|| item.Value<string>("savedName").Contains("<") || item.Value<string>("savedName").Contains("%")
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|| item.Value<string>("savedName").Contains("?")
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|| item.Value<string>("savedName").Contains(":") || item.Value<string>("savedName").Contains("/"))
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{
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Alert.ShowInParent("文件名不能包含 &，>，<，%，?，:，/ 等字符");
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return;
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}
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}
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for (int i = 0, count = source.Count; i < count; i++)
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{
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JObject item = source[i] as JObject;
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attachUrl += AttachPath + "\\" + item.Value<string>("savedName") + ",";
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}
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if (!string.IsNullOrEmpty(attachUrl))
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{
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attachUrl = attachUrl.Replace('/', '\\');
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attachUrl = attachUrl.Substring(0, attachUrl.LastIndexOf(","));
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}
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var sour = from x in db.AttachFile where x.ToKeyId == ToKeyId select x;
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//合同管理附件名重复提醒
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if (MenuId == BLL.Const.SESRelatedDateMenuId)
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{
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string newName = attachUrl.Substring(attachUrl.LastIndexOf("\\"));
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string n = newName.Substring(newName.IndexOf("_") + 1);
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foreach (var item in sour)
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{
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if (item.AttachUrl.Contains(n))
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{
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Alert.ShowInTop(n + "已存在！", MessageBoxIcon.Warning);
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return;
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}
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}
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string fc_id = Request.QueryString["fcid"];
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string fileTypeId = Request.QueryString["fileTypeId"];
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var conLists = from x in Funs.DB.FC_ContractManagement where x.FC_ID.ToString() == fc_id && x.FileTypeId == fileTypeId select x;
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foreach (var item in conLists)
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{
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if (item.AttachUrl.Contains(n))
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{
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Alert.ShowInTop(n + "已存在！", MessageBoxIcon.Warning);
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return;
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}
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}
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}
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if (sour.Count() == 0)
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{
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Model.AttachFile att = new Model.AttachFile();
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att.AttachFileId = BLL.SQLHelper.GetNewID(typeof(Model.AttachFile));
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att.ToKeyId = ToKeyId;
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att.AttachSource = source.ToString();
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att.AttachUrl = attachUrl;
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att.MenuId = MenuId;
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db.AttachFile.InsertOnSubmit(att);
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db.SubmitChanges();
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}
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else
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{
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Model.AttachFile att = db.AttachFile.FirstOrDefault(x => x.AttachFileId == sour.First().AttachFileId);
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if (att != null)
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{
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att.ToKeyId = ToKeyId;
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att.AttachSource = source.ToString();
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att.AttachUrl = attachUrl;
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att.MenuId = MenuId;
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db.SubmitChanges();
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}
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}
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ShowNotify("保存成功!");
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PageContext.RegisterStartupScript(ActiveWindow.GetHidePostBackReference());
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}
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#region 获取权限按钮
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/// <summary>
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/// 获取按钮权限
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/// </summary>
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/// <param name="button"></param>
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/// <returns></returns>
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private void GetButtonPower()
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{
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//var buttonList = BLL.CommonService.GetAllButtonList(this.CurrUser.UserId, MenuId);
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//if (buttonList.Count > 0)
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//{
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// if (!buttonList.Contains(BLL.Const.BtnSave))
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// {
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// this.btnSelectFiles.Hidden = true;
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// this.btnDelete.Hidden = true;
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// this.btnSave.Hidden = true;
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// }
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//}
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}
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#endregion
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}
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}
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