private void DownloadFile(int fileID) { To_PolicyFileManager fileBLL = new To_PolicyFileManager(); To_PolicyFile fileEntity = fileBLL.GetModel(fileID); if (fileEntity == null) { form1.InnerHtml = "<p style='font-size:14px;'>附件不存在或已被删除!</p>"; return; } string filePath = fileEntity.filepath; string fileName = fileEntity.filename; if (Request.Browser.Browser == "IE") { fileName = Server.UrlEncode(fileName); } Response.Clear(); Response.Buffer = false; Response.ContentEncoding = System.Text.Encoding.UTF8; //注意编码 Response.AppendHeader("Content-Disposition", "attachment;filename=" + fileName); //设置输出流HttpMiME类型(导出文件格式) Response.ContentType = "application/octet-stream;"; //image/JPEG;text/HTML;image/GIF;vnd.ms-excel/msword Response.WriteFile(Server.MapPath(filePath)); }
/// <summary> /// 获得数据列表 /// </summary> public List <To_PolicyFile> DataTableToList(DataTable dt) { List <To_PolicyFile> modelList = new List <To_PolicyFile>(); int rowsCount = dt.Rows.Count; if (rowsCount > 0) { To_PolicyFile model; for (int n = 0; n < rowsCount; n++) { model = new To_PolicyFile(); if (dt.Rows[n]["id"].ToString() != "") { model.id = int.Parse(dt.Rows[n]["id"].ToString()); } if (dt.Rows[n]["policyID"].ToString() != "") { model.policyID = int.Parse(dt.Rows[n]["policyID"].ToString()); } model.filename = dt.Rows[n]["filename"].ToString(); model.filepath = dt.Rows[n]["filepath"].ToString(); if (dt.Rows[n]["createTime"].ToString() != "") { model.createTime = DateTime.Parse(dt.Rows[n]["createTime"].ToString()); } modelList.Add(model); } } return(modelList); }
/// <summary> /// 得到一个对象实体 /// </summary> public To_PolicyFile GetModel(int id) { StringBuilder strSql = new StringBuilder(); strSql.Append("select id, policyID, filename, filepath, createTime,filesize "); strSql.Append(" from To_PolicyFile "); strSql.Append(" where id=@id"); SqlParameter[] parameters = { new SqlParameter("@id", SqlDbType.Int, 4) }; parameters[0].Value = id; To_PolicyFile model = new To_PolicyFile(); DataTable ds = DBHelper.GetDataSet(strSql.ToString(), parameters); if (ds.Rows.Count > 0) { if (ds.Rows[0]["id"].ToString() != "") { model.id = int.Parse(ds.Rows[0]["id"].ToString()); } if (ds.Rows[0]["policyID"].ToString() != "") { model.policyID = int.Parse(ds.Rows[0]["policyID"].ToString()); } if (ds.Rows[0]["filesize"].ToString() != "") { model.Filesize = int.Parse(ds.Rows[0]["filesize"].ToString()); } model.filename = ds.Rows[0]["filename"].ToString(); model.filepath = ds.Rows[0]["filepath"].ToString(); if (ds.Rows[0]["createTime"].ToString() != "") { model.createTime = DateTime.Parse(ds.Rows[0]["createTime"].ToString()); } return(model); } else { return(null); } }
/// <summary> /// 增加一条数据 /// </summary> public int Add(To_PolicyFile model) { StringBuilder strSql = new StringBuilder(); strSql.Append("insert into To_PolicyFile("); strSql.Append("policyID,filename,filepath,createTime,filesize"); strSql.Append(") values ("); strSql.Append("@policyID,@filename,@filepath,@createTime,@filesize"); strSql.Append(") "); strSql.Append(";select @@IDENTITY"); SqlParameter[] parameters = { new SqlParameter("@policyID", SqlDbType.Int, 4), new SqlParameter("@filename", SqlDbType.NVarChar, 100), new SqlParameter("@filepath", SqlDbType.NVarChar, 500), new SqlParameter("@createTime", SqlDbType.DateTime), new SqlParameter("@filesize", SqlDbType.Int) }; parameters[0].Value = model.policyID; parameters[1].Value = model.filename; parameters[2].Value = model.filepath; parameters[3].Value = model.createTime; parameters[4].Value = model.Filesize; using (SqlConnection conn = new SqlConnection(DBHelper.connectionString)) { using (SqlCommand sqlCmd = new SqlCommand()) { conn.Open(); sqlCmd.CommandText = strSql.ToString(); sqlCmd.Connection = conn; sqlCmd.Parameters.AddRange(parameters); object objResult = sqlCmd.ExecuteScalar(); return(objResult != null && objResult != DBNull.Value ? Convert.ToInt32(objResult) : 0); } } }
/// <summary> /// 将附件信息保存到数据库 /// </summary> /// <param name="fileList"></param> /// <param name="policID"></param> private void SaveFilePath(string[] fileList, int policID) { To_PolicyFileManager policyFileBLL = new To_PolicyFileManager(); To_PolicyFile policyFileEntity = new To_PolicyFile(); policyFileEntity.policyID = policID; for (int i = 1; i < 6; i++) { if (fileList[i] != "") { string[] fileInfo = fileList[i].Split('|'); policyFileEntity.Filesize = int.Parse(fileInfo[1]); policyFileEntity.filepath = fileInfo[0]; policyFileEntity.filename = fileInfo[2]; policyFileEntity.createTime = DateTime.Now; policyFileBLL.Add(policyFileEntity); } } }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(To_PolicyFile model) { StringBuilder strSql = new StringBuilder(); strSql.Append("update To_PolicyFile set "); strSql.Append(" policyID = @policyID , "); strSql.Append(" filename = @filename , "); strSql.Append(" filepath = @filepath , "); strSql.Append(" createTime = @createTime "); strSql.Append(" where id=@id "); SqlParameter[] parameters = { new SqlParameter("@id", SqlDbType.Int, 4), new SqlParameter("@policyID", SqlDbType.Int, 4), new SqlParameter("@filename", SqlDbType.NVarChar, 100), new SqlParameter("@filepath", SqlDbType.NVarChar, 50), new SqlParameter("@createTime", SqlDbType.DateTime) }; parameters[0].Value = model.id; parameters[1].Value = model.policyID; parameters[2].Value = model.filename; parameters[3].Value = model.filepath; parameters[4].Value = model.createTime; int rows = DBHelper.ExecuteScalar(strSql.ToString(), parameters); if (rows > 0) { return(true); } else { return(false); } }
/// <summary> /// 更新一条数据 /// </summary> public bool Update(To_PolicyFile model) { return(dal.Update(model)); }
/// <summary> /// 增加一条数据 /// </summary> public int Add(To_PolicyFile model) { return(dal.Add(model)); }