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486 lines
18 KiB
Plaintext
486 lines
18 KiB
Plaintext
using System;
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using System.IO;
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using System.Web;
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using BP.Web;
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using BP.Sys;
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using BP.Tools;
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using BP.WF;
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using BP;
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using BP.En;
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using ICSharpCode.SharpZipLib.Zip;
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namespace CCFlow.WF.CCForm
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{
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public partial class WF_CCForm_DownFile : System.Web.UI.Page
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{
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#region 属性.
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public string GetVal(string key)
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{
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string val=this.Request.QueryString[key];
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return BP.Tools.DealString.DealStr(val);
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}
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/// <summary>
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/// 关闭窗口
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/// </summary>
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protected void WinClose()
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{
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this.Response.Write("<script language='JavaScript'> window.close();</script>");
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}
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public string DoType
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{
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get
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{
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return this.GetVal("DoType");
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}
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}
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public string DoWhat
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{
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get
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{
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return this.GetVal("DoWhat");
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}
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}
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public string EnsName
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{
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get
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{
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return this.GetVal("EnsName");
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}
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}
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public string MyPK
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{
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get
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{
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return this.GetVal("MyPK");
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}
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}
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/// <summary>
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/// ath.
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/// </summary>
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public string NoOfObj
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{
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get
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{
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return this.GetVal("NoOfObj");
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}
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}
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public string PKVal
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{
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get
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{
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return this.GetVal("PKVal");
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}
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}
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public string IsReadonly
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{
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get
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{
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return this.GetVal("IsReadonly");
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}
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}
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public string DelPKVal
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{
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get
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{
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return this.GetVal("DelPKVal");
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}
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}
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public string FK_FrmAttachment
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{
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get
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{
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return this.GetVal("FK_FrmAttachment");
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}
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}
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public string FK_FrmAttachmentExt
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{
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get
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{
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return "ND" + this.FK_Node + "_DocMultiAth"; // this.GetVal("FK_FrmAttachment");
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}
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}
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public int _fk_node = 0;
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public int FK_Node
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{
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get
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{
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if (_fk_node == 0 && !string.IsNullOrEmpty(this.GetVal("FK_Node")))
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return int.Parse(this.GetVal("FK_Node"));
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return _fk_node;
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}
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set
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{
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_fk_node = value;
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}
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}
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public Int64 WorkID
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{
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get
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{
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string str = this.GetVal("WorkID");
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if (string.IsNullOrEmpty(str))
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str = this.GetVal("OID");
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if (string.IsNullOrEmpty(str))
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str = this.GetVal("PKVal");
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return Int64.Parse(str);
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}
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}
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public Int64 FID
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{
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get
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{
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string str = this.GetVal("FID");
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if (string.IsNullOrEmpty(str))
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return 0;
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return Int64.Parse(str);
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}
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}
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public string IsCC
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{
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get
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{
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string paras = this.GetVal("Paras");
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if (string.IsNullOrEmpty(paras) == false)
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if (paras.Contains("IsCC=1") == true)
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return "1";
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return "ssss";
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}
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}
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#endregion 属性.
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//附件文件下载
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protected void Page_Load(object sender, EventArgs e)
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{
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this.Response.ContentEncoding = System.Text.UTF8Encoding.UTF8;
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this.Request.ContentEncoding = System.Text.UTF8Encoding.UTF8;
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#region 增加跨域.
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//让其支持跨域访问.
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string origin = this.Request.Headers["Origin"];
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if (!string.IsNullOrEmpty(origin))
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{
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var allAccess_Control_Allow_Origin = System.Web.Configuration.WebConfigurationManager.AppSettings["Access-Control-Allow-Origin"];
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this.Response.Headers["Access-Control-Allow-Origin"] = origin;
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this.Response.Headers["Access-Control-Allow-Credentials"] = "true";
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this.Response.Headers["Access-Control-Allow-Headers"] = "x-requested-with,content-type";
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}
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#endregion
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if (this.DoType == "Down")
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{
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//获取文件是否加密
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bool fileEncrypt = BP.Difference.SystemConfig.IsEnableAthEncrypt;
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FrmAttachmentDB downDB = new FrmAttachmentDB();
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downDB.MyPK = this.MyPK;
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downDB.Retrieve();
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FrmAttachment dbAtt = new FrmAttachment();
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dbAtt.MyPK = downDB.FK_FrmAttachment;
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dbAtt.Retrieve();
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if (dbAtt.ReadRole != 0 && this.FK_Node != 0)
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{
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//标记已经阅读了.
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GenerWorkerList gwf = new GenerWorkerList();
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int count = gwf.Retrieve(GenerWorkerListAttr.FK_Emp, BP.Web.WebUser.No,
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GenerWorkerListAttr.FK_Node, this.FK_Node, GenerWorkerListAttr.WorkID, this.WorkID);
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if (count != 0)
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{
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string str = gwf.GetParaString(dbAtt.NoOfObj);
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str += "," + downDB.MyPK;
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gwf.SetPara(dbAtt.NoOfObj, str);
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gwf.Update();
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}
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}
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bool isEncrypt = downDB.GetParaBoolen("IsEncrypt");
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if (dbAtt.AthSaveWay == AthSaveWay.IISServer)
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{
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#region 解密下载
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//1、先解密到本地
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string filepath = downDB.FileFullName + ".tmp";
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string tempName = downDB.FileName;
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if (fileEncrypt == true && isEncrypt == true)
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{
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if (File.Exists(filepath) == true)
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File.Delete(filepath);
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EncHelper.DecryptDES(downDB.FileFullName, filepath);
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}
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else
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{
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filepath = downDB.FileFullName;
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}
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#region 文件下载（并删除临时明文文件）
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if (!"firefox".Contains(HttpContext.Current.Request.Browser.Browser.ToLower()))
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tempName = HttpUtility.UrlEncode(tempName);
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HttpContext.Current.Response.Charset = "GB2312";
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HttpContext.Current.Response.Headers.Add("Code", "OK");// ("Content-Disposition", "attachment;filename=" + tempName);
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HttpContext.Current.Response.AppendHeader("Content-Disposition", "attachment;filename=" + tempName);
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HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
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HttpContext.Current.Response.ContentType = "application/octet-stream;charset=utf8";
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HttpContext.Current.Response.WriteFile(BP.Tools.DealString.DealStr( filepath));
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HttpContext.Current.Response.End();
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HttpContext.Current.Response.Close();
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#endregion
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#endregion
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}
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if (dbAtt.AthSaveWay == AthSaveWay.FTPServer)
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{
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//下载文件的临时位置
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string tempFile = downDB.GenerTempFile(dbAtt.AthSaveWay);
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string tempDescFile = tempFile + ".temp";
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if (fileEncrypt == true && isEncrypt == true)
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EncHelper.DecryptDES(tempFile, tempDescFile);
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else
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tempDescFile = tempFile;
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BP.WF.HttpHandler.HttpHandlerGlo.DownloadFile(tempDescFile, downDB.FileName);
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}
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if (dbAtt.AthSaveWay == AthSaveWay.DB)
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{
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string downpath = GetRealPath(downDB.FileFullName);
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string filepath = downpath + ".tmp";
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if (fileEncrypt == true && isEncrypt == true)
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{
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if (File.Exists(filepath) == true)
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File.Delete(filepath);
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EncHelper.DecryptDES(downpath, filepath);
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}
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else
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filepath = downpath;
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BP.WF.HttpHandler.HttpHandlerGlo.DownloadFile(filepath, downDB.FileName);
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}
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this.WinClose();
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return;
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}
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else if (this.DoType == "EntityFile_Load")
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{
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EntityFile_Load(sender, e);
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this.WinClose();
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return;
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}
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else if (this.DoType == "EntityMutliFile_Load")
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{
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EntityMutliFile_Load(sender, e);
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this.WinClose();
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return;
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}
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}
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//实体文件下载
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protected void EntityFile_Load(object sender, EventArgs e)
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{
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//根据EnsName获取Entity
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Entities ens = ClassFactory.GetEns(this.EnsName);
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Entity en = ens.GetNewEntity;
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en.PKVal = this.DelPKVal;
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int i = en.RetrieveFromDBSources();
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if (i == 0)
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return;
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//获取使用的客户 TianYe集团保存在FTP服务器上
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if (BP.Difference.SystemConfig.CustomerNo.Equals("TianYe") || BP.Difference.SystemConfig.IsUploadFileToFTP == true)
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{
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string filePath = (string)en.GetValByKey("MyFilePath");
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string fileName = (string)en.GetValByKey("MyFileName");
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string fileExt = (string)en.GetValByKey("MyFileExt");
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//临时存储位置
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string tempFile = BP.Difference.SystemConfig.PathOfTemp + System.Guid.NewGuid() + "." + en.GetValByKey("MyFileExt");
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if (System.IO.File.Exists(tempFile) == true)
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System.IO.File.Delete(tempFile);
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//连接FTP服务器
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FtpConnection conn = new FtpConnection(BP.Difference.SystemConfig.FTPServerIP, BP.Difference.SystemConfig.FTPServerPort,
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BP.Difference.SystemConfig.FTPUserNo, BP.Difference.SystemConfig.FTPUserPassword);
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conn.GetFile(filePath, tempFile, false, System.IO.FileAttributes.Archive);
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conn.Close();
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BP.WF.HttpHandler.HttpHandlerGlo.DownloadFile(tempFile, fileName + "." + fileExt);
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//删除临时文件
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System.IO.File.Delete(tempFile);
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}
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else
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{
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HttpContext.Current.Response.Charset = "GB2312";
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string fileName = HttpUtility.UrlEncode((string)en.GetValByKey("MyFileName"));
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string fileExt = HttpUtility.UrlEncode((string)en.GetValByKey("MyFileExt"));
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HttpContext.Current.Response.AppendHeader("Content-Disposition", "filename=" + fileName + "." + fileExt);
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HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
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HttpContext.Current.Response.ContentType = "application/octet-stream;charset=utf8";
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HttpContext.Current.Response.WriteFile(BP.Tools.DealString.DealStr( (string)en.GetValByKey("MyFilePath")) );
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HttpContext.Current.Response.End();
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HttpContext.Current.Response.Close();
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}
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}
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//实体文件下载
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protected void EntityMutliFile_Load(object sender, EventArgs e)
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{
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string oid = this.GetVal("OID");
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//根据SysFileManager的OID获取对应的实体
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SysFileManager fileManager = new SysFileManager();
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fileManager.PKVal = oid;
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int i = fileManager.RetrieveFromDBSources();
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if (i == 0)
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throw new Exception("没有找到OID=" + oid + "的文件管理数据，请联系管理员");
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//获取使用的客户 TianYe集团保存在FTP服务器上
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if (BP.Difference.SystemConfig.CustomerNo.Equals("TianYe") || BP.Difference.SystemConfig.IsUploadFileToFTP == true)
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{
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string filePath = fileManager.MyFilePath;
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string fileName = fileManager.MyFileName;
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//临时存储位置
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string tempFile = BP.Difference.SystemConfig.PathOfTemp + System.Guid.NewGuid() + "." + fileManager.MyFileExt;
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try
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{
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if (System.IO.File.Exists(tempFile) == true)
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System.IO.File.Delete(tempFile);
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}
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catch
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{
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// tempFile = SystemConfig.PathOfTemp + System.Guid.NewGuid() + this.FileName;
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}
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//连接FTP服务器
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FtpConnection conn = new FtpConnection(BP.Difference.SystemConfig.FTPServerIP, BP.Difference.SystemConfig.FTPServerPort,
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BP.Difference.SystemConfig.FTPUserNo, BP.Difference.SystemConfig.FTPUserPassword);
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conn.GetFile(filePath, tempFile, false, System.IO.FileAttributes.Archive);
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conn.Close();
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BP.WF.HttpHandler.HttpHandlerGlo.DownloadFile(tempFile, fileName);
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//删除临时文件
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System.IO.File.Delete(tempFile);
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}
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else
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{
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HttpContext.Current.Response.Charset = "GB2312";
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string fileName = HttpUtility.UrlEncode(fileManager.MyFileName);
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string fileExt = HttpUtility.UrlEncode(fileManager.MyFileExt);
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HttpContext.Current.Response.AppendHeader("Content-Disposition", "filename=" + fileName + fileExt);
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HttpContext.Current.Response.ContentEncoding = System.Text.Encoding.GetEncoding("GB2312");
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HttpContext.Current.Response.ContentType = "application/octet-stream;charset=utf8";
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HttpContext.Current.Response.WriteFile(BP.Tools.DealString.DealStr( fileManager.MyFilePath) );
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HttpContext.Current.Response.End();
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HttpContext.Current.Response.Close();
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}
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}
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void btn_DownLoad_Zip(object sender, EventArgs e)
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{
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try
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{
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BP.Sys.FrmAttachmentDBs dbs = new BP.Sys.FrmAttachmentDBs();
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dbs.Retrieve(FrmAttachmentDBAttr.FK_FrmAttachment, this.FK_FrmAttachment,
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FrmAttachmentDBAttr.RefPKVal, this.PKVal);
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if (dbs.Count == 0)
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{
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this.Response.Write("文件不存在，不需打包下载。");
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return;
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}
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string zipName = this.WorkID + "_" + DateTime.Now.ToString("yyyyMMddHHmmssffff");
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string basePath = Server.MapPath("//DataUser//Temp");
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string tempPath = basePath + "//" + WebUser.No;
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string zipPath = basePath + "//" + WebUser.No;
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string zipFile = zipPath + "//" + zipName + ".zip";
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//删除临时文件，保证一个用户只能存一份，减少磁盘占用空间
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if (System.IO.Directory.Exists(tempPath) == true)
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System.IO.Directory.Delete(tempPath, true);
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//根据路径创建文件夹
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if (System.IO.Directory.Exists(zipPath) == false && zipFile.Contains(WebUser.No) == true)
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System.IO.Directory.CreateDirectory(zipPath);
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//copy文件临时文件夹
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tempPath = tempPath + "//" + this.WorkID;
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if (System.IO.Directory.Exists(tempPath) == false && tempPath.Contains(WebUser.No) == true)
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System.IO.Directory.CreateDirectory(tempPath);
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foreach (FrmAttachmentDB db in dbs)
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{
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string copyToPath = tempPath;
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if (!File.Exists(db.FileFullName)) continue;
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if (!string.IsNullOrEmpty(db.Sort))
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{
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copyToPath = tempPath + "//" + db.Sort;
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if (System.IO.Directory.Exists(copyToPath) == false && copyToPath.Contains(WebUser.No) == true)
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System.IO.Directory.CreateDirectory(copyToPath);
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}
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//新文件目录
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copyToPath = copyToPath + "//" + db.FileName;
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File.Copy(db.FileFullName, copyToPath, true);
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}
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//执行压缩
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(new FastZip()).CreateZip(zipFile, tempPath, true, "");
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//删除临时文件夹
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if (tempPath.Contains(WebUser.No) == false)
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throw new Exception("非法路径");
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System.IO.Directory.Delete(tempPath, true);
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//显示出下载超链接
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//BP.Web.Controls.BPHyperLink hLink = (BP.Web.Controls.BPHyperLink)this.Pub1.FindControl("H_LINK_Btn");
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//BP.PubClass.DownloadFile(zipFile, this.WorkID + ".zip");
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}
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catch (Exception ex)
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{
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BP.DA.Log.DebugWriteError(ex.Message);
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}
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}
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private string GetRealPath(string fileFullName)
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{
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bool isFile = false;
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string downpath = "";
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try
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{
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//如果相对路径获取不到可能存储的是绝对路径
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FileInfo downInfo = new FileInfo(Server.MapPath("~/" + fileFullName));
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isFile = true;
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downpath = Server.MapPath("~/" + fileFullName);
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}
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catch (PathTooLongException)
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{
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FileInfo downInfo = new FileInfo(fileFullName);
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isFile = true;
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downpath = fileFullName;
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}
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if (!isFile)
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{
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throw new Exception("没有找到下载的文件路径！");
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}
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return downpath;
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}
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}
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} |