用ASP.NET读取模板生成HTML
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原文地址：http://www.cnblogs.com/_cloudy/archive/2011/10/08/2202279.html
模板HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head> <meta http-equiv="Content-Type" content="text/html; charset=gb2312" /> <title></title> <link href="http://www.cnblogs.com/2011_08_24/lucklist/template.css" rel="stylesheet" type="text/css" /></head><body class="template_body" style="margin: 0 auto 0 auto; background-image: url(../images/bg_03.jpg); width: 406px;"> <table border="0" cellpadding="0" cellspacing="0" style="text-align: left;"> <!-- <tr style="background-image: URL(../images/bg_02.jpg);">--> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> <tr style="background-image: URL(../images/bg_04.jpg); height: 24px"> <td class="tdName"> #Name </td> <td class="tdTime"> #Time </td> <td class="tdLuckName"> #LuckName </td> </tr> </table> <div class="Page"> #Page</div></body></html>
首先设置类的全局变量,设置文件路径和编码
public Encoding code = Encoding.GetEncoding("gb2312");//定义文字编码 UTF-8 public string path;//定义html文件存放路径 // 读取模板文件 public string temp;/// <summary>/// /// </summary>/// <param name="FilePath">"./lucklist/"</param>/// <param name="TemplatePath">"./lucklist/Main.html"</param>public CreateHtml(string FilePath, string TemplatePath){ path = HttpContext.Current.Server.MapPath(FilePath);//定义html文件存放路径temp = HttpContext.Current.Server.MapPath(TemplatePath);//定义模板路径}
然后就是类的主要代码,再使用的时候就调用这个类
/// <summary> /// 创建HTML网页 /// </summary> /// <param name="ds">dataset</param> /// <param name="PageSize">一页的记录数量</param> /// <param name="FileName">文件名,如0824-</param> /// <param name="FileNameExt">如rd</param> /// <param name="FileType">html</param> /// <param name="ReplaceData">string[] 类型的文件存放"XX,XX"</param> /// <param name="IndexCount">分页导航栏的数字长度1,2,3,4,5</param> /// <param name="anchor">锚点#xxxx</param> /// <param name="ReplaceString">需要替换的其他字符串,注意:全部替换</param> /// <returns></returns> public bool CreateHtmlFile(DataSet ds, int PageSize, string FileName, string FileNameExt, string FileType, string[] ReplaceData, int IndexCount, string anchor, string[] ReplaceString) { string str = ReadHtmlFile(temp); string tempStr = str; //备份改写前的模板HTML文件 int count = ds.Tables[0].Rows.Count; //数据条数 int PageCount = count / PageSize + (count % PageSize == 0 ? 0 : 1); //页面数量 //string FileName = "0824"; //0824+1+rd.html //string FileNameExt = "rd"; //string FileType = "html" //循环页面的数量 for (int SelectPage = 1; SelectPage <= PageCount; SelectPage++) { //整合出来的文件名 string htmlfilename = path + FileName + SelectPage.ToString() + FileNameExt + "." + FileType; //从Dataset中读取指定数量的条目替换HTML文件 for (int i = (SelectPage - 1) * PageSize; i < SelectPage * PageSize; i++) { if (i < count) //判断不会超过索引 { //获得参数 foreach (string RepS in ReplaceData) { string[] data = RepS.Split(','); //data[0]为#Name //data[1]为数据库对应字段,如UserName str = new Regex(data[0]).Replace(str, ds.Tables[0].Rows[i][data[1]].ToString(), 1); } //Regex Regex1 = new Regex("#Name"); //str = Regex1.Replace(str, ds.Tables[0].Rows[i]["UserName"].ToString(), 1); //Regex Regex2 = new Regex("#Time"); //str = Regex2.Replace(str, ds.Tables[0].Rows[i]["Time"].ToString().Substring(11, 5), 1); //Regex Regex3 = new Regex("#LuckName"); //str = Regex3.Replace(str, ds.Tables[0].Rows[i]["Score"].ToString(), 1); } else //超出索引的全部删掉 foreach (string RepS in ReplaceData) { string[] data = RepS.Split(','); //data[0]为#Name //data[1]为数据库对应字段,如UserName str = new Regex(data[0]).Replace(str, "", 1); } } foreach (string RepString in ReplaceString) { string[] data = RepString.Split(','); //data[0]为#Select3 //data[1]为替换字段 str = str.Replace(data[0], data[1]); } Regex Regex4 = new Regex("#Page"); str = Regex4.Replace(str, GetNavigate(count, PageSize, IndexCount, SelectPage, FileType + anchor, FileName, FileNameExt)); WriteHtmlFile(str, htmlfilename); str = tempStr; } return true; }
需要用到的子方法
读取HTML
/// <summary> /// 读取HTML文件 /// </summary> /// <param name="temp">HttpContext.Current.Server.MapPath("./lucklist/Main.html");</param> /// <returns></returns> public string ReadHtmlFile(string temp) { StreamReader sr = 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(); } finally { sr.Dispose(); sr.Close(); } return str; }
写入HTML/// <summary> /// 写入HTML文件 /// </summary> /// <param name="str">HTML代码</param> /// <param name="htmlfilename">完整带路径的文件名</param> /// <returns></returns> public bool WriteHtmlFile(string str, string htmlfilename) { StreamWriter sw = null; // 写文件 try { sw = new StreamWriter(htmlfilename, false, code); sw.Write(str); sw.Flush(); } catch (Exception ex) { HttpContext.Current.Response.Write(ex.Message); HttpContext.Current.Response.End(); } finally { sw.Dispose(); sw.Close(); } return true; }
生成导航栏/// <summary> /// 生成分页导航条 /// </summary> /// <param name="totalRecord">总记录数</param> /// <param name="pageSize">页面记录数</param> /// <param name="DistLen">数字长度</param> /// <param name="page">当前页数</param> /// <param name="QueryParametet">URL参数</param> /// <param name="scriptName">页名前缀</param> /// <returns></returns> public static string GetNavigate(int totalRecord, int pageSize, int DistLen, int page, string QueryParameter, string scriptName, string extName) { int pageNum; //页面数量 string HTML = ""; if ((totalRecord % pageSize) != 0) pageNum = (totalRecord / pageSize) + 1; else pageNum = totalRecord / pageSize; if (pageNum < 1) return HTML; //统计信息 HTML += "显示" + ((page - 1) * pageSize + 1) + "━"; if (page >= pageNum) HTML += totalRecord + "条"; else HTML += page * pageSize + "条"; HTML += "共<B>" + totalRecord + "</B>条 " + pageSize + "条/页"; //首页,上一页 if (page > 1) { HTML += "<a href=\"" + scriptName + "1" + extName + "." + QueryParameter + "\" > 首 页 </a>"; HTML += "<a href=\"" + scriptName + (page - 1) + extName + "." + QueryParameter + "\" > 上一页 </a>"; } //数字序列 int page_t; if (page < DistLen * 2) { if (pageNum > DistLen * 2) page_t = DistLen * 2; else page_t = pageNum; for (int i = 1; i <= page_t; i++) { if (i == page) HTML += "<B> " + page + "</B>"; else HTML += "<a href=\"" + scriptName + i + extName + "." + QueryParameter + "\"> " + i + "</a>"; } } else { if (pageNum > (page + DistLen)) page_t = page + DistLen; else page_t = pageNum; for (int i = (page - DistLen); i <= page_t; i++) { if (i == page) HTML += "<B> " + page + "</B>"; else HTML += "<a href=\"" + scriptName + i + extName + "." + QueryParameter + "\" > " + i + "</a>"; } } //下一页,尾页 if (page < pageNum) { HTML += "<a href=\"" + scriptName + (page + 1) + extName + "." + QueryParameter + "\" > 下一页 </a>"; HTML += "<a href=\"" + scriptName + pageNum + extName + "." + QueryParameter + "\" > 尾页 </a>"; } return HTML; }
然后再在调用类生成HTML
//读取数据库,放入ds DataSet ds = new DataSet(); LuckSql lsql = new LuckSql(); ds = lsql.temp1(); //实例化设置路径 CreateHtml ch = new CreateHtml("./", "./Main.html"); //设置模板中需要替换的字段,#Name是模板中的字段,Name是ds中的字段 string[] ReplaceData = new string[3]; ReplaceData[0] = "#Name,Name"; ReplaceData[1] = "#Time,Time"; ReplaceData[2] = "#LuckName,luckname"; //替换非数据库中的字段 ,模板中的任何位置都可以,这个部分模板里忘记添加了,可以略过 string[] ReplaceString = new string[1]; ReplaceString[0] = "#Select3Index,替换字段"; //生成,锚点不需要的话就填"" ch.CreateHtmlFile(ds, 32, "0824-", "-rd", "html", ReplaceData, 6, "#mid", ReplaceString);
注意的是:
模板最好和css样式和调用类的页面放在同一个文件,模板的样式放在css里面最好,不然生成十多页改起来麻烦.
编码默认是gb2312,当然随便你.中文还是gb2312比较好吧.
模板中数据的条目一定要和"32"的位置对应 ch.CreateHtmlFile(ds, 32,"0824-","-rd","html", ReplaceData,6, "#mid", ReplaceString);
不然数据条目对不上号的.
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