first commit
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@@ -0,0 +1,182 @@
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using BizCom;
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using ICSharpCode.SharpZipLib.Zip;
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using System;
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using System.Collections.Generic;
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using System.Configuration;
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using System.Data;
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using System.IO;
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using System.Text;
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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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public partial class simdownload : System.Web.UI.Page
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{
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public static string dPath = ConfigurationManager.AppSettings["dPath"];
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public static string copyPath = ConfigurationManager.AppSettings["copyPath"];
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private void conErc(string msg)
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{
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Response.Write("{\"type\":\"error\",\"result\":\"" + msg + "\"}");
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//Response.End();
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}
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private void conSuc(string msg)
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{
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Response.Write("{\"type\":\"success\",\"result\":\"" + msg + "\"}");
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//Response.End();
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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 (Request["hexdata"] != null)
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{
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string tids = Request["hexdata"];
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string fpId = Request["hexdata"];
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if (tids.Trim() == "")
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{
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conErc("无法下载");
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return;
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}
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try
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{
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string[] tArr = tids.Split(',');
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List<string> tLst = new List<string>();
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foreach (string id in tArr)
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{
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tLst.Add("'" + id + "'");
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}
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tids = string.Join(",", tLst.ToArray());
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StringBuilder sql = new StringBuilder();
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string ut = Request["ut"];
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if (ut == "fp")
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{
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sql.AppendFormat("select tid,img from ce_erpbill where id=" + fpId );
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}
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DataTable dt = CeErpTradeCell.ExecuteDataset(sql.ToString()).Tables[0];
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if (dt == null || dt.Rows.Count < 1)
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{
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conErc("没有找到相关附件");
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return;
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}
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List<string> files = new List<string>();
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string dTime = "";
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string fname = "";
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int fc = 0;
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foreach (DataRow dr in dt.Rows)
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{
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if (dr["img"].ToString() != "")
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{
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if(!File.Exists(dPath + "\\" + ut + "\\" + dr["img"].ToString()))
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{
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conErc("找不到文件："+ dr["img"].ToString());
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return;
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}
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files.Add(dPath + "\\" + ut + "\\" + dr["img"].ToString());
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}
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}
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if (files.Count < 1)
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{
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conErc("没有找到相关附件");
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return;
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}
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if(files.Count==1)downLoadFile(files[0]);
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else
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{
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ZipFileDownload(files, "LT_" + DateTime.Now.ToString("yyyyMMddhhMmss") + ".zip");
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}
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return;
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}
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catch (Exception ex)
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{
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conErc("错误的下载访问" + tids + "," + ex.Message);
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return;
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}
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}
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}
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private string formatMemo(object memo)
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{
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string m = memo.ToString();
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m = m.Replace("\\", "").Replace("/", "").Replace(":", "").Replace("*", "").Replace("?", "").Replace("<", "").Replace(">", "").Replace("|", "");
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return m;
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}
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private void copyFile(string date,string supplier,string file)
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{
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string path = copyPath + "\\" + date + "\\" + supplier;
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if (!Directory.Exists(path)) Directory.CreateDirectory(path);
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string fname = Path.GetFileName(file);
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File.Copy(file, path + "\\" + fname,true);
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}
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private string getDesignTime(object v)
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{
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if (v.ToString()=="") return "";
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return Convert.ToDateTime(v).ToString("yyyyMM");
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}
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private string getDesignDate(object v)
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{
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return DateTime.Now.ToString("yyyy-MM-dd");
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if (v.ToString() == "") return "";
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return Convert.ToDateTime(v).ToString("yyyy-MM-dd");
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}
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/// 批量进行多个文件压缩到一个文件
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/// </summary>
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/// <param name="files">文件列表(绝对路径)</param> 这里用的数组，你可以用list 等或者
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/// <param name="zipFileName">生成的zip文件名称</param>
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private void ZipFileDownload(List<string> files, string zipFileName)
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{
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MemoryStream ms = new MemoryStream();
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byte[] buffer = null;
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using (ZipFile file = ZipFile.Create(ms))
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{
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file.BeginUpdate();
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//file.NameTransform = new ZipNameTransform();
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file.NameTransform = new MyNameTransfom();
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foreach (var item in files)
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{
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if (File.Exists(item)) file.Add(item);
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}
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file.CommitUpdate();
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buffer = new byte[ms.Length];
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ms.Position = 0;
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ms.Read(buffer, 0, buffer.Length); //读取文件内容(1次读ms.Length/1024M)
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ms.Flush();
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ms.Close();
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}
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Response.Clear();
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Response.Buffer = true;
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Response.ContentType = "application/x-zip-compressed";
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Response.AddHeader("Set-Cookie", "fileDownload=true; path=/");
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Response.AddHeader("content-disposition", "attachment;filename=" + HttpUtility.UrlEncode(zipFileName));
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Response.BinaryWrite(buffer);
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Page.Response.Flush();
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Page.Response.SuppressContent = true;
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HttpContext.Current.ApplicationInstance.CompleteRequest();
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//ScriptManager.RegisterStartupScript(Page, Page.GetType(), "popup", "alert('123');", true);
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//Response.Flush();
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//Response.End();
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}
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private void downLoadFile(string file)
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{
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string filePath = file;
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string dfile = Path.GetFileName(file);
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//以字符流的形式下载文件
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FileStream fs = new FileStream(filePath, FileMode.Open);
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byte[] bytes = new byte[(int)fs.Length];
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fs.Read(bytes, 0, bytes.Length);
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fs.Close();
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Response.ContentType = "application/octet-stream";
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//通知浏览器下载文件而不是打开
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Response.AddHeader("Content-Disposition", "attachment; filename=" + HttpUtility.UrlEncode(dfile, System.Text.Encoding.UTF8));
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Response.BinaryWrite(bytes);
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//Response.Flush();
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Response.End();
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}
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}
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