例子：文本搜索 - 站长资源库


答案：     例子：文本搜索 
   
  <%
  Head = "搜索"
  SearchString = Request("SearchString")
  count=0
  
  ''把当前目录的实际路径转换为虚拟路径
  Function UnMapPath( Path )
      UnMapPath = Replace(Mid(Path, Len(Server.MapPath("/")) + 1), "\", "/")
  End Function
  
  
  Function SearchFile( f, s, title )
     Set fo = fs.OpenTextFile(f)
     content = fo.ReadAll''读全部文本到content
     fo.Close
     SearchFile = InStr(1, content, S, vbTextCompare) > 0 ''从第一个字符开始检查content里面是否有S
     If SearchFile Then''如果有,则提出文件TITLE存入变量
        pos1 = InStr(1, content, "<TITLE>", vbTextCompare)
        pos2 = InStr(1, content, "</TITLE>", vbTextCompare)
        title = ""
        If pos1 > 0 And pos2 > 0 Then''取TITLE标记中间的字符
           title = Mid( content, pos1 + 7, pos2 - pos1 - 7 )
        End If
     End If
  End Function
  
  Function FileLink( f, title )
     vPath = UnMapPath( f.Path )''取路径
     If title = "" Then title = f.Name''做链接
     FileLink = "<A HREF=>" & title & "</A>"
     FileLink = "<UL>·" & FileLink & "</UL>"
  End Function
  
  Sub SearchFolder( fd, s ) 
     found = False  
     For each f In fd.Files
        pos = InStrRev(f.Path, "." )
        If pos > 0 Then
           ext = Mid(f.Path, pos + 1 )
        Else
           ext = ""
        End If
        If LCase(ext) = "htm" Then''显示扩展名字为HTM的文件
           If SearchFile( f, s, title ) Then
              Response.Write FileLink(f, title)
              count=count+1
              '' Response.Write cstr(count)
           End If
        End If
     Next
  
     For each sfd In fd.SubFolders
        SearchFolder sfd, s
     Next
  End Sub
  %>
  <html>
  
  <head>
  <meta http-equiv="Content-Type"
  content="text/html; charset=gb_2312-80">
  <meta name="GENERATOR" content="Microsoft FrontPage Express 2.0">
  <title><%=Head%></title>
  </head>
  
  <body bgcolor="#FFFFFF">
  
  <h1><%=Head%></h1>
  
  <hr>
  
  <form action="search.asp" method="Get">
      <p>请输入欲搜索的内容： <input type="text"
      size="20" name="SearchString" value="<%=SearchString%>"> <input
      type="submit" value="搜索"> </p>
  </form>
  <%
  Set fs = Server.CreateObject("Scripting.FileSystemObject")
  Set fd = fs.GetFolder( Server.MapPath("/") )   ''设置开始搜索的路径！
  
  If SearchString <> "" Then
     Response.Write "<H2>搜索<font color=red>" & SearchString & "</font>结果如下：</H2><P>"
     SearchFolder fd,SearchString
  End If
  %>
  <hr>
  </body>
  </html>
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