C#+WPF+oracle 檢查檔案伺服器上檔案是否存在
阿新 • • 發佈：2019-01-08
現在有個需求，有個FTP/HTTP網站上有一堆檔案，記錄存在資料庫。
但根本無法知道那些檔案在資料庫中不存，那些檔案在庫裡面，但不存在實體檔案。
現在做了個程式，可以做到讀取資料庫檔案列表，然後檢查網上鍊接是否有效，也可以反向檢查。
<Window x:Class="WpfApplicationTest101File.MainWindow" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:local="clr-namespace:WpfApplicationTest101File" mc:Ignorable="d" Title="MainWindow" Height="350" Width="525"> <Grid> <Button x:Name="buttonNoFile" Content="buttonDatabaseNoExitsFile" HorizontalAlignment="Left" Margin="59,267,0,0" VerticalAlignment="Top" Width="102" Click="buttonNoFile_Click" Height="37"/> <Button x:Name="buttonFileNotinDatabase" Content="buttonFileNotinDatabase" HorizontalAlignment="Left" Margin="234,267,0,0" VerticalAlignment="Top" Width="102" Height="37" Click="buttonFileNotinDatabase_Click"/> <TextBox x:Name="textBoxWord" HorizontalAlignment="Left" Height="109" Margin="83,10,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="294"/> <TextBox x:Name="textBoxPDF" HorizontalAlignment="Left" Height="109" Margin="83,139,0,0" TextWrapping="Wrap" VerticalAlignment="Top" Width="294"/> <TextBlock x:Name="textBlock" HorizontalAlignment="Left" Margin="27,49,0,0" TextWrapping="Wrap" Text="Word" VerticalAlignment="Top"/> <TextBlock x:Name="textBlock_Copy" HorizontalAlignment="Left" Margin="27,172,0,0" TextWrapping="Wrap" Text="PDF" VerticalAlignment="Top"/> </Grid> </Window>
using Oracle.ManagedDataAccess.Client; using System; using System.Collections.Generic; using System.IO; using System.Linq; using System.Net; using System.Text; using System.Threading.Tasks; using System.Windows; using System.Windows.Controls; using System.Windows.Data; using System.Windows.Documents; using System.Windows.Input; using System.Windows.Media; using System.Windows.Media.Imaging; using System.Windows.Navigation; using System.Windows.Shapes; namespace WpfApplicationTest101File { /// <summary> /// MainWindow.xaml 的互動邏輯 /// </summary> public partial class MainWindow : Window { public MainWindow() { InitializeComponent(); } List<data> allfiledata = new List<data>(); /// <summary> /// 下載驅動地址 /// Oracle Providers for ASP.NET ///http://www.oracle.com/technetwork/topics/dotnet/index-087367.html ///一般都是使用OLEDB或者是.NET中提供的OracleClient來進行連線。而微軟也宣稱，從.NET4.0開始放棄對OracleClient的支援，但不會刪除，標記為不建議使用。 所以可以使用ORACLE提供的ADO.NET訪問元件ODP.NET，元件的名字為OracleDataAccess.dll，oracle的使用和OracleClient完全一樣，在程式中新增DLL引用就可以使用。 /// /// 這個是.net+本機程式碼混合版本使用方法，此法需要安裝Oracle客戶端 /// 根據Oracle客戶端版本區分X86和X64位版本 ///http://blog.csdn.net/cc_net/article/details/4740054 /// /// .net驅動分OracleDataAccess .net+本機程式碼混合和純.net /// 純.net不需要安裝Oracle客戶端，但只支援.net 4以上版本 /// 此版本不區分X86和X64位版本，一個DLL足夠了 /// 純.net版本使用方法如下 ///http://www.cnblogs.com/yjmyzz/archive/2013/11/01/3400999.html /// </summary> /// <param name="sender"></param> /// <param name="e"></param> private void buttonNoFile_Click(object sender, RoutedEventArgs e) { allfiledata = new List<data>(); /// 純.net不需要安裝Oracle客戶端，寫法有所不同 OracleConnectionStringBuilder builder = new OracleConnectionStringBuilder(); builder.DataSource = "(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=PC-luozhuang)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=orcl)));"; builder.UserID = "ynstx"; builder.Password = "ynstx2012"; ///上面寫法相當於 string shiji = "Data Source=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=PC-luozhuang)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=orcl)));Persist Security Info=True;User ID=luozhuang;Password=luozhuang2012;"; using (OracleConnection conn = new OracleConnection(builder.ConnectionString)) { using (OracleCommand cmd = conn.CreateCommand()) { cmd.CommandText = "select WJDM,wjmc,wjlx,cfml from FJXXB "; conn.Open(); using (OracleDataReader reader = cmd.ExecuteReader()) { while (reader.Read()) { allfiledata.Add( new data() { Wjdm = reader.GetString(0), Wjmc = reader.GetString(1), Wjlx = reader.GetString(2), Cfml = reader.GetString(3), }); } } } } StringBuilder noWord = new StringBuilder(); StringBuilder nopdf = new StringBuilder(); string uribase = "http://PC-luozhuang/DocService/Upload/"; StringBuilder filename = new StringBuilder(); for (int i = 0; i < allfiledata.Count; i++) { filename.Clear(); filename.Append(uribase + allfiledata[i].Cfml + allfiledata[i].Wjmc + "." + allfiledata[i].Wjlx); if (GetWebStatusCode(filename.ToString(), 1000) != "200") { noWord.Append(allfiledata[i].Wjdm + "," + allfiledata[i].Wjmc); noWord.Append(System.Environment.NewLine); } } for (int i = 0; i < allfiledata.Count; i++) { filename.Clear(); filename.Append(uribase + allfiledata[i].Cfml + allfiledata[i].Wjmc + "." + "pdf"); if (GetWebStatusCode(filename.ToString(), 1000) != "200") { nopdf.Append(allfiledata[i].Wjdm + "," + allfiledata[i].Wjmc); nopdf.Append(System.Environment.NewLine); } } textBoxPDF.Text = nopdf.ToString(); textBoxWord.Text = noWord.ToString(); } public static string GetWebStatusCode(string url, int timeout) { HttpWebRequest req = null; try { req = (HttpWebRequest)WebRequest.CreateDefault(new Uri(url)); req.Method = "HEAD"; //這是關鍵 req.Timeout = timeout; HttpWebResponse res = (HttpWebResponse)req.GetResponse(); return Convert.ToInt32(res.StatusCode).ToString(); } catch (Exception ex) { return ex.Message; } finally { if (req != null) { req.Abort(); req = null; } } } private void buttonFileNotinDatabase_Click(object sender, RoutedEventArgs e) { StringBuilder noWord = new StringBuilder(); StringBuilder nopdf = new StringBuilder(); string uribase = @"C:\inetpub\wwwroot\DocService\Upload"; List<FileSystemInfo> files = EnumFile(uribase, ".doc"); //EnumFile(@"D:\doc", ".doc"); List<FileSystemInfo> docxfiles = EnumFile(uribase, ".docx"); //EnumFile(@"D:\doc", ".docx"); files.AddRange(docxfiles); OracleConnectionStringBuilder builder = new OracleConnectionStringBuilder(); builder.DataSource = "(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=PC-luozhuang)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=orcl)));"; builder.UserID = "luozhuang"; builder.Password = "luozhuang2012"; ///上面寫法相當於 string shiji = "Data Source=(DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=PC-luozhuang)(PORT=1521))(CONNECT_DATA=(SERVICE_NAME=orcl)));Persist Security Info=True;User ID=luozhuang;Password=luozhuang2012;"; data tdata = new data(); using (OracleConnection conn = new OracleConnection(builder.ConnectionString)) { using (OracleCommand cmd = conn.CreateCommand()) { conn.Open(); for (int i = 0; i < files.Count; i++) { cmd.CommandText = "select Wjdm,wjmc,wjlx,cfml from WJGL_FJXXB where wjmc='" + files[i].Name.Replace(files[i].Extension, "") + "' and wjlx='" + files[i].Extension.Replace(".", "") + "'"; using (OracleDataReader reader = cmd.ExecuteReader()) { if (reader.Read()) { tdata = new data() { Wjdm = reader.GetString(0), Wjmc = reader.GetString(1), Wjlx = reader.GetString(2), Cfml = reader.GetString(3), }; } if (tdata.Wjdm == null) { noWord.Append(files[i].FullName); noWord.Append(System.Environment.NewLine); continue; } string filePath = uribase + tdata.Cfml.Replace("/", "\\"); if (files[i].FullName.StartsWith(filePath)) { } else { noWord.Append(files[i].FullName); noWord.Append(System.Environment.NewLine); continue; } FileInfo pdf = new FileInfo(files[i].FullName.Replace(files[i].Extension, ".pdf")); if (pdf.Exists == true) { continue; } else { nopdf.Append(pdf.FullName); nopdf.Append(System.Environment.NewLine); continue; } } } } } textBoxPDF.Text = nopdf.ToString(); textBoxWord.Text = noWord.ToString(); } /// <summary> /// 遍歷指定目錄下的檔案 /// </summary> /// <param name="path">要遍歷的路徑</param> /// <param name="currentPathOnly">是否只遍歷當前目錄（不處理子目錄），預設為false（處理子目錄）</param> /// <returns>所有檔案列表</returns> public static List<FileSystemInfo> EnumFile(string path, string pattern, bool currentPathOnly = false) { List<FileSystemInfo> files = new List<FileSystemInfo>(); // 檢查目錄是否存在 if (!Directory.Exists(path)) { return files; } FileSystemInfo[] fs = new DirectoryInfo(path).GetFileSystemInfos(); foreach (FileSystemInfo fsi in fs) { // 跳過縮圖目錄 if (fsi.Name.Equals("thumb")) { continue; } if (fsi.Attributes == (FileAttributes.Hidden | FileAttributes.System)) { // 跳過系統和隱藏 continue; } if ((fsi.Attributes & FileAttributes.Directory) == FileAttributes.Directory) { // 目錄 files.AddRange(EnumFile(fsi.FullName, pattern, false)); continue; } // 檔案 if (!string.IsNullOrEmpty(pattern) && !pattern.ToUpper().Equals(fsi.Extension.ToUpper())) { // 篩選指定的檔案型別 continue; } files.Add(fsi); } return files; } } }