直接上干貨：

目錄

獲取頁面中的圖片或者MP3文件路徑

保存網路圖片

保存網絡文字

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獲取頁面中的圖片或者MP3文件路徑

/// <summary>/// 獲取網頁中的圖片路徑list集合/// </summary>/// <param name="webUrl"></param>/// <returns></returns>public static List<string> GetPicUrl(string webUrl) {HttpClient http = new HttpClient();Task<string> task = http.GetStringAsync(webUrl);List<string> list = new List<string>();Regex reg = new Regex("src=\"[^\"]*[(.jpg)(.png)(.gif)(.bmp)(.ico)]\"");//Regex reg = new Regex("src=\"[^\"]*[(.mp3)]\"");MatchCollection mc = reg.Matches(task.Result);foreach (Match m in mc){string src = m.Value;src = src.Replace("src=", "").Replace("\"", "");list.Add(src) ;}return list;}

保存網路圖片

/// <summary>/// 下載網絡圖片/// </summary>/// <param name="PicSourceUrl">網絡圖片地址</param>/// <param name="filePath">保存本地地址</param>/// <returns></returns>public static bool DownPic(string PicSourceUrl, string filePath){WebRequest request = WebRequest.Create(PicSourceUrl);WebResponse response = request.GetResponse();Stream reader = response.GetResponseStream();FileStream writer = new FileStream(filePath, FileMode.OpenOrCreate, FileAccess.Write);try{byte[] buff = new byte[1024];int c = 0; //實際讀取的字節數while ((c = reader.Read(buff, 0, buff.Length)) > 0){writer.Write(buff, 0, c);}writer.Close();writer.Dispose();reader.Close();reader.Dispose();response.Close();}catch (Exception ex){return false;}finally{if (writer != null){writer.Close();writer.Dispose();}if (reader != null){reader.Close();reader.Dispose();}if (response != null){response.Close();}}return true;}

保存網絡文字

/// <summary>/// 保存網絡文字result到url中/// </summary>/// <param name="webUrl">網絡文字的http地址</param>/// <param name="url">網絡文字需要保存的地址</param>public static void SaveTxt(string webUrl,string url) {HttpClient http = new HttpClient();Task<string> task = http.GetStringAsync(webUrl);string result = task.Result;File.WriteAllText(@url, result);}

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