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批量正则替换某文件夹中代码（div id=XXXX替换为div id=XXXX）

發(fā)布時(shí)間：2025/3/21 编程问答 12 豆豆

生活随笔收集整理的這篇文章主要介紹了批量正则替换某文件夹中代码（div id=XXXX替换为div id=XXXX）小編覺得挺不錯(cuò)的,現(xiàn)在分享給大家,幫大家做個(gè)參考.

遍歷文件夾中的指定文件名文件（html，htm）利用正則表達(dá)式批量替換其中的可變內(nèi)容
cs
using?System;
using?System.Data;
using?System.Configuration;
using?System.Web;
using?System.Web.Security;
using?System.Web.UI;
using?System.Web.UI.WebControls;
using?System.Web.UI.WebControls.WebParts;
using?System.Web.UI.HtmlControls;
using?System.Text.RegularExpressions;
using?System.IO;
using?System.Text;
public?partial?class?_Default?:?System.Web.UI.Page?
{
????private?string[]?filename?=?new?string[2];
????//private?string?fullname;

????protected?void?Page_Load(object?sender,?EventArgs?e)
????{
???????
????}
????protected?void?replace(string?str)
????{
????????Regex?reg?=?new?Regex("id=(([a-z-A-Z]|-|_)+)>");
????????string?newtext?=?reg.Replace(str,?"id=\"$1\">");
????????Response.Write(newtext);
????}
????/*protected?void?Button1_Click(object?sender,?EventArgs?e)
????{
????????
????????if?(FileUpload1.HasFile)
????????{
????????????filepath?=?FileUpload1.PostedFile.FileName;???????????
????????????fullname?=?FileUpload1.FileName;
????????????filename?=?fullname.Split('.');
????????????readFile(filepath);
????????}
????????if?(FileUpload1.HasFile)
????????{
????????????string?filepath?=?"C:\\Documents?and?Settings\\第一頁23\\桌面\\"?+?this.FileUpload1.PostedFile.FileName.ToString()?;
????????????readFile(filepath);
????????}
????}*/
????protected?void?readFile(string?filepath)
????{
????????StreamReader?sr?=?new?StreamReader(filepath,?System.Text.Encoding.Default);
????????try
????????{
????????????string?str?=?sr.ReadToEnd();
????????????replace(str);
????????}
????????catch?(IOException?ioe)
????????{
????????????Response.Write(ioe.Message);
????????}
????????finally
????????{
????????????sr.Close();
????????}
????}

????protected?void?Button2_Click(object?sender,?EventArgs?e)
????{
?????????string?path?=?dir.Text.Substring(0,dir.Text.LastIndexOf("\\")+1);
???????//?Response.Write(path);
???????//?Response.End();
?????????string[]?files?=?Directory.GetFiles(path);
????????foreach?(string?f?in?files)
????????{
???????????//Response.Write(f);
????????????if(f.IndexOf(".html")>0?||?f.IndexOf(".htm")>0)
????????????{
????????????????Response.Write("now:changing"?+?f);
????????????????readFile(f);
????????????}
????????}
????}
}
aspx
<%@?Page?Language="C#"?AutoEventWireup="true"??CodeFile="Default.aspx.cs"?Inherits="_Default"?%>

<!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?runat="server">
????<title>Untitled?Page</title>?????
????<script>
????function?filltext()
????{
????
????document.getElementById("dir").innerText=document.getElementById("file1").value;
???//alert()
????}
????</script>
</head>
<body>
????<form?id="form1"?runat="server">
????<div>
????<input?type="file"?id="file1"?/>
????<input?type="button"??value="??fill??"?OnClick="filltext()"?/>
????<asp:TextBox??ID="dir"?runat="server"></asp:TextBox>
????<asp:Button?ID="Button2"?runat="server"?Text="submit"?OnClick="Button2_Click"?/></div>
????????
????</form>
</body>
</html>

改良的cs可遍歷文件夾及其子文件夾
using?System;
using?System.Data;
using?System.Configuration;
using?System.Web;
using?System.Web.Security;
using?System.Web.UI;
using?System.Web.UI.WebControls;
using?System.Web.UI.WebControls.WebParts;
using?System.Web.UI.HtmlControls;
using?System.Text.RegularExpressions;
using?System.IO;
using?System.Text;
public?partial?class?_Default?:?System.Web.UI.Page?
{
????private?string[]?filename?=?new?string[2];
????//private?string?fullname;

????protected?void?Page_Load(object?sender,?EventArgs?e)
????{
???????
????}
????protected?void?replace(string?str)
????{
????????Regex?reg?=?new?Regex("id=(([a-z-A-Z]|-|_)+)>");
????????string?newtext?=?reg.Replace(str,?"id=\"$1\">");
????????Response.Write(newtext);
????}
????/*protected?void?Button1_Click(object?sender,?EventArgs?e)
????{
????????
????????if?(FileUpload1.HasFile)
????????{
????????????filepath?=?FileUpload1.PostedFile.FileName;???????????
????????????fullname?=?FileUpload1.FileName;
????????????filename?=?fullname.Split('.');
????????????readFile(filepath);
????????}
????????if?(FileUpload1.HasFile)
????????{
????????????string?filepath?=?"C:\\Documents?and?Settings\\第一頁23\\桌面\\"?+?this.FileUpload1.PostedFile.FileName.ToString()?;
????????????readFile(filepath);
????????}
????}*/
????protected?void?readFile(string?filepath)
????{
????????StreamReader?sr?=?new?StreamReader(filepath,?System.Text.Encoding.Default);
????????try
????????{
????????????string?str?=?sr.ReadToEnd();
????????????replace(str);
????????}
????????catch?(IOException?ioe)
????????{
????????????Response.Write(ioe.Message);
????????}
????????finally
????????{
????????????sr.Close();
????????}
????}

????protected?void?Button2_Click(object?sender,?EventArgs?e)
????{
?????????string?path?=?dir.Text.Substring(0,dir.Text.LastIndexOf("\\")+1);
???????//?Response.Write(path);
?????????DirectoryInfo?dif?=?new?DirectoryInfo(path);
????????forFileLength(dif);
???????Response.End();
?????????string[]?files?=?Directory.GetFiles(path);
????????foreach?(string?f?in?files)
????????{
???????????//Response.Write(f);
????????????if(f.IndexOf(".html")>0?||?f.IndexOf(".htm")>0)
????????????{
????????????????Response.Write("now:changing"?+?f);
????????????????readFile(f);
????????????}
????????}
????}
????private?void?forFileLength(DirectoryInfo?directory)????
????{
????????DirectoryInfo[]?directorys?=?directory.GetDirectories();
????????????FileInfo[]???files;???
????????????foreach???(DirectoryInfo???di???in???directorys)???
????????????{???
????????????????forFileLength(di);???
????????????}???
????????????files???=???directory.GetFiles();?
????????????
????????????foreach(FileInfo???file???in???files)???
????????????{???
????????????????string?temp?=?file.DirectoryName.ToString();
????????????????//?temp?當(dāng)前路徑(除文件名)?????????
????????????????string?name?=?file.Name;
???????????????
????????????????if?(name.IndexOf(".html")?>?0?||?name.IndexOf(".htm")?>?0)
????????????????{
????????????????????Response.Write("now:changing: "?+?name+"<BR/>");
????????????????????//readFile(f);
???????????????????
????????????????}????????????????????????????????????????????????????
????????????}??
????}???

}

轉(zhuǎn)載于:https://www.cnblogs.com/daiye/archive/2009/09/16/1567431.html

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批量正则替换某文件夹中代码（div id=XXXX替换为div id=XXXX）

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