protected static void CheckAndDownload(String file, String targetPath = null) { if (!Path.IsPathRooted(file)) { if (!Runtime.IsWeb) file = Path.Combine(AppDomain.CurrentDomain.BaseDirectory, file); else file = Path.Combine(HttpRuntime.BinDirectory, file); } if (File.Exists(file) && new FileInfo(file).Length > 0) return; // 目标目录 String dir = !String.IsNullOrEmpty(targetPath) ? targetPath : Path.GetDirectoryName(file); // 从网上下载文件 var zipfile = Path.GetFileNameWithoutExtension(file); try { #region 检测64位平台 Module module = typeof(Object).Module; PortableExecutableKinds kind; ImageFileMachine machine; module.GetPEKind(out kind, out machine); if (machine != ImageFileMachine.I386) zipfile += "64"; #endregion zipfile += ".zip"; String url = String.Format(ServiceAddress, zipfile); // 目标Zip文件 zipfile = Path.Combine(dir, zipfile); // Zip文件不存在,准备下载 if (!File.Exists(zipfile) || new FileInfo(zipfile).Length <= 0) { DAL.WriteLog("准备从{0}下载文件到{1}!", url, zipfile); var client = new WebClientX(true, true); // 同步下载,3秒超时 client.Timeout = 3000; //var data = client.DownloadData(url); if (!Directory.Exists(dir)) Directory.CreateDirectory(dir); client.DownloadFile(url, zipfile); client.Dispose(); } DAL.WriteLog("下载完成,准备解压到{0}!", dir); //var ms = new MemoryStream(data); //if (file.EndsWith("64")) file = file.Substring(0, file.Length - 2); //IOHelper.DecompressFile(ms, dir, file, false); ZipFile.Extract(zipfile, dir, true); DAL.WriteLog("解压完成!"); } catch (ZipException ex) { if (File.Exists(zipfile)) File.Delete(zipfile); DAL.WriteLog("解压失败,删除压缩文件!{0}", ex.ToString()); } catch (Exception ex) { DAL.WriteLog(ex.ToString()); } }
protected static void CheckAndDownload(String file, String targetPath = null) { if (!Path.IsPathRooted(file)) { if (!Runtime.IsWeb) file = file.GetFullPath(); else file = Path.Combine(HttpRuntime.BinDirectory, file); } if (File.Exists(file) && new FileInfo(file).Length > 0) return; // 目标目录 String dir = !String.IsNullOrEmpty(targetPath) ? targetPath : Path.GetDirectoryName(file); // 从网上下载文件 var zipfile = Path.GetFileNameWithoutExtension(file); try { #region 检测64位平台 var module = typeof(Object).Module; PortableExecutableKinds kind; ImageFileMachine machine; module.GetPEKind(out kind, out machine); if (machine != ImageFileMachine.I386) zipfile += "64"; #endregion zipfile += ".zip"; var url = String.Format(ServiceAddress, zipfile); var sw = new Stopwatch(); sw.Start(); // 检查缓存文件,一个月内有效 var x = Path.Combine(Path.GetPathRoot(Environment.SystemDirectory), @"X"); var xfile = Path.Combine(x, zipfile); var xf = new FileInfo(xfile); if (CacheZip && File.Exists(xfile) && xf.Length > 0 && xf.LastWriteTime.AddMonths(1) > DateTime.Now) zipfile = xfile; else { // 目标Zip文件 zipfile = Path.Combine(dir, zipfile); // Zip文件不存在,准备下载 if (!File.Exists(zipfile) || new FileInfo(zipfile).Length <= 0) { DAL.WriteLog("准备从{0}下载文件到{1}!", url, zipfile); var client = new WebClientX(true, true); // 同步下载,3秒超时 client.Timeout = 10000; //var data = client.DownloadData(url); if (!Directory.Exists(dir)) Directory.CreateDirectory(dir); client.DownloadFile(url, zipfile); client.Dispose(); } if (CacheZip) File.Copy(zipfile, xfile, true); } sw.Stop(); var size = new FileInfo(zipfile).Length; DAL.WriteLog("下载{0}完成({3:n0}字节),耗时{2},准备解压到{1}!", zipfile, dir, sw.Elapsed, size); //var ms = new MemoryStream(data); //if (file.EndsWith("64")) file = file.Substring(0, file.Length - 2); //IOHelper.DecompressFile(ms, dir, file, false); ZipFile.Extract(zipfile, dir, true); DAL.WriteLog("解压完成!"); } catch (ZipException ex) { if (File.Exists(zipfile)) File.Delete(zipfile); DAL.WriteLog("解压失败,删除压缩文件!{0}", ex.ToString()); } catch (Exception ex) { DAL.WriteLog(ex.ToString()); } }