C#对html的操作

1，获取相对路径的html然后保存到本地路径

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/// <summary> /// Html方法 /// </summary> /// <returns></returns> public void CollectionContent(string url) {     Response.ContentType = "html/plain";     Response.Charset = "gb2312";     Response.ContentType = "html/html";     Response.Charset = "utf-8";     string htmlContent = clsCommonEx.GetPageHtml(url);       try     {           StreamWriter sw = null;         Encoding code = Encoding.GetEncoding("gb2312");         string path = HttpContext.Current.Server.MapPath("/cache/");         string htmlfilename = DateTime.Now.ToString("yyyyMMddHHmmss") + ".html";// 写文件           try         {             sw = new StreamWriter(path + htmlfilename, false, code);             sw.Write(htmlContent);             sw.Flush();         }         catch (Exception ex)         {             HttpContext.Current.Response.Write(ex.Message);             HttpContext.Current.Response.End();         }         finally         {             sw.Close();         }       }     catch     {         Response.Write("The file could not be wirte:");     }   }

　　

2,生成html

 

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//生成HTML页 public static bool WriteFile(string strText, string strContent, string strAuthor) {     string path = HttpContext.Current.Server.MapPath("/news/");     Encoding code = Encoding.GetEncoding("gb2312");     // 读取模板文件     string temp = HttpContext.Current.Server.MapPath("/news/text.html");     StreamReader sr = null;     StreamWriter sw = null;     string str = "";     try     {         sr = new StreamReader(temp, code);         str = sr.ReadToEnd(); // 读取文件     }     catch (Exception exp)     {         HttpContext.Current.Response.Write(exp.Message);         HttpContext.Current.Response.End();         sr.Close();     }         string htmlfilename = DateTime.Now.ToString("yyyyMMddHHmmss") + ".html";     // 替换内容     // 这时,模板文件已经读入到名称为str的变量中了     str = str.Replace("ShowArticle", strText); //模板页中的ShowArticle     str = str.Replace("biaoti", strText);     str = str.Replace("content", strContent);     str = str.Replace("author", strAuthor);     // 写文件     try     {         sw = new StreamWriter(path + htmlfilename, false, code);         sw.Write(str);         sw.Flush();     }     catch (Exception ex)     {         HttpContext.Current.Response.Write(ex.Message);         HttpContext.Current.Response.End();     }     finally     {         sw.Close();     }     return true; }