使用C#实现网页内容保存为图片并生成压缩包

public UrlToImage(string url){// Without file m_Url = url;}

public UrlToImage(string url, string fileName){// With file m_Url = url;m_FileName = fileName;}

public Bitmap Generate(){// Thread var m_thread = new Thread(_Generate);m_thread.SetApartmentState(ApartmentState.STA);m_thread.Start();m_thread.Join();return m_Bitmap;}public bool SaveToImageFile(string filename){Bitmap bt=Generate();if (bt == null){return false;}bt.Save(filename);return File.Exists(filename);}private void _Generate(){var browser = new WebBrowser { ScrollBarsEnabled = false };browser.ScriptErrorsSuppressed = true;initheight = 0;browser.Navigate(m_Url);browser.DocumentCompleted += WebBrowser_DocumentCompleted;

while (browser.ReadyState != WebBrowserReadyState.Complete){Application.DoEvents();}

browser.Dispose();}

private void WebBrowser_DocumentCompleted(object sender, WebBrowserDocumentCompletedEventArgs e){// Capture var browser = (WebBrowser)sender;browser.ClientSize = new Size(browser.Document.Body.ScrollRectangle.Width, browser.Document.Body.ScrollRectangle.Bottom);browser.ScrollBarsEnabled = false;m_Bitmap = new Bitmap(browser.Document.Body.ScrollRectangle.Width, browser.Document.Body.ScrollRectangle.Bottom);browser.BringToFront();browser.DrawToBitmap(m_Bitmap, browser.Bounds);

public byte[] Compress(byte[] inputBytes){using (MemoryStream outStream = new MemoryStream()){using (GZipStream zipStream = new GZipStream(outStream, CompressionMode.Compress, true)){zipStream.Write(inputBytes, 0, inputBytes.Length);zipStream.Close(); //很重要，必须关闭，否则无法正确解压return outStream.ToArray();}}}

public byte[] Decompress(byte[] inputBytes){

using (MemoryStream inputStream = new MemoryStream(inputBytes)){using (MemoryStream outStream = new MemoryStream()){using (GZipStream zipStream = new GZipStream(inputStream, CompressionMode.Decompress)){zipStream.CopyTo(outStream);zipStream.Close();return outStream.ToArray();}}

}}public string Compress(string input){byte[] inputBytes = Encoding.Default.GetBytes(input);byte[] result = Compress(inputBytes);return Convert.ToBase64String(result);}public string Decompress(string input){byte[] inputBytes = Convert.FromBase64String(input);byte[] depressBytes = Decompress(inputBytes);return Encoding.Default.GetString(depressBytes);}public void Compress(DirectoryInfo dir){foreach (FileInfo fileToCompress in dir.GetFiles()){Compress(fileToCompress);}}public void Decompress(DirectoryInfo dir){foreach (FileInfo fileToCompress in dir.GetFiles()){Decompress(fileToCompress);}}public void Compress(FileInfo fileToCompress){using (FileStream originalFileStream = fileToCompress.OpenRead()){if ((File.GetAttributes(fileToCompress.FullName) & FileAttributes.Hidden) != FileAttributes.Hidden & fileToCompress.Extension != ".gz"){using (FileStream compressedFileStream = File.Create(fileToCompress.FullName + ".gz")){using (GZipStream compressionStream = new GZipStream(compressedFileStream, CompressionMode.Compress)){originalFileStream.CopyTo(compressionStream);}}}}}public void Decompress(FileInfo fileToDecompress,string desfilename=""){using (FileStream originalFileStream = fileToDecompress.OpenRead()){string currentFileName = fileToDecompress.FullName;string newFileName = currentFileName.Remove(currentFileName.Length - fileToDecompress.Extension.Length);if (desfilename != ""){newFileName = desfilename;}

using (FileStream decompressedFileStream = File.Create(newFileName)){using (GZipStream decompressionStream = new GZipStream(originalFileStream, CompressionMode.Decompress)){decompressionStream.CopyTo(decompressedFileStream);}}}}

public void ZipDirectory(string folderToZip, string zipedFileName,string password){ZipDirectory(folderToZip, zipedFileName,(password==""?string.Empty:password), true, string.Empty, string.Empty, true);}

public void ZipDirectory(string folderToZip, string zipedFileName, string password, bool isRecurse, string fileRegexFilter, string directoryRegexFilter, bool isCreateEmptyDirectories){FastZip fastZip = new FastZip();fastZip.CreateEmptyDirectories = isCreateEmptyDirectories;fastZip.Password = password;fastZip.CreateZip(zipedFileName, folderToZip, isRecurse, fileRegexFilter, directoryRegexFilter);

}public void UnZipDirectory(string zipedFileName, string targetDirectory, string password,string fileFilter=null){FastZip fastZip = new FastZip();fastZip.Password = password;fastZip.ExtractZip(zipedFileName, targetDirectory,fileFilter);

}

public void UnZip(string zipFilePath, string unZipDir){

if (zipFilePath == string.Empty){throw new Exception("压缩文件不能为空！");}if (!File.Exists(zipFilePath)){throw new FileNotFoundException("压缩文件不存在！");}//解压文件夹为空时默认与压缩文件同一级目录下，跟压缩文件同名的文件夹if (unZipDir == string.Empty) unZipDir = zipFilePath.Replace(Path.GetFileName(zipFilePath), Path.GetFileNameWithoutExtension(zipFilePath));if (!unZipDir.EndsWith("/")) unZipDir += "/";if (!Directory.Exists(unZipDir)) Directory.CreateDirectory(unZipDir);

using (var s = new ZipInputStream(File.OpenRead(zipFilePath))){

ZipEntry theEntry;while ((theEntry = s.GetNextEntry()) != null){string directoryName = Path.GetDirectoryName(theEntry.Name);string fileName = Path.GetFileName(theEntry.Name);if (!string.IsNullOrEmpty(directoryName)){Directory.CreateDirectory(unZipDir + directoryName);}if (directoryName != null && !directoryName.EndsWith("/")){}if (fileName != String.Empty){using (FileStream streamWriter = File.Create(unZipDir + theEntry.Name)){

int size;byte[] data = new byte[2048];while (true){size = s.Read(data, 0, data.Length);if (size > 0){streamWriter.Write(data, 0, size);}else{break;}}}}}}}