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C# MySQL/文件檔案 壓縮(ZIP) 備份 ~ DBBackup using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.IO; using System.Windows.Forms; using System.Drawing.Imaging; using System.Drawing; using System.Diagnostics; using System.IO.Compression;//C# 透過程式壓縮資料夾為zip檔[NET4.5 版本 內建的方法] namespace SYWEB_V8_Workstation { public class FileLib { public static bool DBBackup(String StrName="") { bool blnAns = false; if(StrName.Length==0) { StrName=DateTime.Now.ToString("yyyyMMddHHmmss")+".zip"; } String StrSrcFullFilePath = String.Format("{0}\\{1}", path, "mysql\\data\\v8_workstation"); string StrOutPath = String.Format("{0}\\{1}", path, "DBBackup\\"); CreateDirectory(StrOutPath); CreateDirectory(StrOutPath + "v8_workstation\\"); DirectoryCopy(StrSrcFullFilePath, StrOutPath+ "v8_workstation\\", true); ZipFile.CreateFromDirectory(StrOutPath+ "\\v8_workstation", StrOutPath + StrName); DeleteDirectory(StrOutPath + "v8_workstation\\", true); return blnAns; } //刪除目錄，recursive為True時，直接刪除目錄及其目錄下所有文件或子目錄;recursive為False時，需先將目錄下所有文件或子目錄刪除 private static void DeleteDirectory(string path, bool recursive) { if (Directory.Exists(path)) { if (recursive) { Directory.Delete(path, true); } } } public static void DirectoryCopy(string sourceDirName, string destDirName, bool copySubDirs) { // Get the subdirectories for the specified directory. DirectoryInfo dir = new DirectoryInfo(sourceDirName); if (!dir.Exists) { throw new DirectoryNotFoundException( "Source directory does not exist or could not be found: " + sourceDirName); } DirectoryInfo[] dirs = dir.GetDirectories(); // If the destination directory doesn't exist, create it. if (!Directory.Exists(destDirName)) { Directory.CreateDirectory(destDirName); } // Get the files in the directory and copy them to the new location. FileInfo[] files = dir.GetFiles(); foreach (FileInfo file in files) { string temppath = Path.Combine(destDirName, file.Name); file.CopyTo(temppath, false); } // If copying subdirectories, copy them and their contents to new location. if (copySubDirs) { foreach (DirectoryInfo subdir in dirs) { string temppath = Path.Combine(destDirName, subdir.Name); DirectoryCopy(subdir.FullName, temppath, copySubDirs); } } } //建立目錄 private static void CreateDirectory(string path) { if (!Directory.Exists(path)) { Directory.CreateDirectory(path); } } public static string path = System.Windows.Forms.Application.StartupPath; public static bool IsUTF8File(String StrName) { bool blnAns = false; Stream reader = File.Open(StrName, FileMode.Open, FileAccess.Read); Encoding encoder = null; byte[] header = new byte[4]; // 讀取前四個Byte reader.Read(header, 0, 4); if (header[0] == 0xFF && header[1] == 0xFE) { // UniCode File reader.Position = 2; encoder = Encoding.Unicode; } else if (header[0] == 0xEF && header[1] == 0xBB && header[2] == 0xBF) { // UTF-8 File reader.Position = 3; encoder = Encoding.UTF8; blnAns = true; } else { // Default Encoding File reader.Position = 0; encoder = Encoding.Default; } reader.Close(); // .......... 接下來的程式 return blnAns; } public static String ImageFile2Base64String(String StrDestFilePath) { String StrAns = ""; try { //開啟檔案 FileStream file = File.Open(StrDestFilePath, FileMode.Open, FileAccess.ReadWrite); //引用myReader類別 BinaryReader read = new BinaryReader(file); int len = System.Convert.ToInt32(file.Length); //讀取位元陣列 byte []data = read.ReadBytes(len); StrAns = Convert.ToBase64String(data); //讀取資料 //釋放資源 read.Close(); read.Dispose(); file.Close(); //file.Flush(); } catch { } return StrAns; } public static void CreateFile(String StrDestFilePath, byte[] byteSource) { FileLib.DeleteFile("temp.png"); try { //開啟建立檔案 FileStream file = File.Open(StrDestFilePath, FileMode.Create, FileAccess.ReadWrite); BinaryWriter write = new BinaryWriter(file); write.Write(byteSource); write.Close(); write.Dispose(); write.Flush(); file.Close(); file.Flush(); file.Dispose(); } catch { } } public static void CopyFile(String StrSourceFilePath, String StrDestFilePath) { System.IO.File.Copy(StrSourceFilePath, StrDestFilePath, true); } public static void DeleteFile(String StrFileName,bool blnAtRoot=true) { String FilePath=""; if (blnAtRoot == true) { FilePath = path + "\\" + StrFileName; } else { FilePath = StrFileName; } if (System.IO.File.Exists(FilePath)) { try { System.IO.File.Delete(FilePath); } catch { } } } public static void TxtFile(String StrFileName, String StrData) { StreamWriter sw = new StreamWriter(StrFileName); sw.WriteLine(StrData);// 寫入文字 sw.Close();// 關閉串流 } public static void logFile(String StrFileName, String StrData) { FileStream fs = new FileStream(StrFileName, FileMode.Append); StreamWriter sw = new StreamWriter(fs); sw.WriteLine(DateTime.Now.ToString("HH:mm:ss - ")+StrData);// 寫入文字 sw.Close();// 關閉串流 } //--- //除錯(DEBUG)專用 log函式庫 public static bool g_blnDebug = false; public static StreamWriter g_sw; public static void createLogFile() { if (g_blnDebug == true) { g_sw = new StreamWriter(Application.StartupPath + "\\" + DateTime.Now.ToString("yyyy-MM-dd-HHmm") + ".log"); writeLogFile("createLogFile"); } } public static void writeLogFile(String msg) { if (g_blnDebug == true) { g_sw.WriteLine(msg + ",\t" + DateTime.Now.ToString("yyyy/MM/dd/HH:mm:ss")); } } public static void closeLogFile() { if (g_blnDebug == true) { writeLogFile("closeLogFile"); g_sw.Close();// 關閉串流 } } //---除錯(DEBUG)專用 log函式庫 //--- //縮圖 public static bool ImageResize(String strImageSrcPath, String strImageDesPath, int intWidth = 0, int intHeight = 0) { /* ImageFormat IF_Png = ImageFormat.Png; bool blnAns = true; Image objImage = Image.FromFile(strImageSrcPath); if (intWidth > objImage.Width) { intWidth = objImage.Width; } if (intHeight > objImage.Height) { intHeight = objImage.Height; } if ((intWidth == 0) && (intHeight == 0)) { intWidth = objImage.Width; intHeight = objImage.Height; } else if ((intHeight == 0) && (intWidth != 0)) { intHeight = (int)(objImage.Height * intWidth / objImage.Width); } else if ((intWidth == 0) && (intHeight != 0)) { intWidth = (int)(objImage.Width * intHeight / objImage.Height); } Bitmap imgOutput = new Bitmap(objImage, intWidth, intHeight); imgOutput.Save(strImageDesPath, IF_Png);//imgOutput.Save(strImageDesPath, objImage.RawFormat); objImage.Dispose(); objImage = null; imgOutput.Dispose(); imgOutput = null; return blnAns; */ Process m_pro; String StrVar = String.Format("\"{0}\" \"{1}\" {2}", strImageSrcPath, strImageDesPath, intWidth); ProcessStartInfo startInfo = new ProcessStartInfo("CS_cmd_ImageResize.exe", StrVar); startInfo.WindowStyle = ProcessWindowStyle.Hidden; try { m_pro = Process.Start(startInfo); } catch { return false;//找不到執行檔的防呆 at 2017/06/16 } if (m_pro != null) { m_pro.WaitForExit();//下載SERVER資料 m_pro = null; } return true; } //---縮圖 } }