<%@ LANGUAGE="VBscript" %>
  <html>
  <head>
  <meta NAME="GENERATOR" Content="Microsoft FrontPage 3.0">
  <meta HTTP-EQUIV="Content-Type" content="text/html; charset=gb_2312-80">
  <title>星河影动之全文检索</title>
  <meta name="Microsoft Border" content="tl, default">

</head>
   <body BGPROPERTIES="FIXED" BGCOLOR="#00FFFF">

<%
  mousepointer=13
  Set Conn1 = Server.CreateObject("ADODB.Connection")
  conn1.open "DSN=intels"
  Set rcst1 = conn1.execute("select * from pages_catalogue")
  sch_str=request.form("text1")
  doubbytes=len(sch_str)\2
  sch_str=left(sch_str,doubbytes)

' 匹配字串的长度.预处理Request取得的数据(用户输入的有用信息), 通过计算有效信息长度来截取所需的字串.我们也可以在输入字串后附加一标志字符(如#chr(7))来处理.
  Response.Write "<CENTER>检索结果<HR><Br>"
  Dim result
  result =false
  Response.Write "<UL>"
  do while not rcst1.eof
  tit=rcst1.fields("file_title")
  fn=rcst1.fields("file_name")
  file_name= Server.MapPath ("/") & "\song\chunfeng\" & fn
  to_find=text_match(file_name,sch_str)

' 逐个打开记录集中当前记录所指向的文件。用查找的字串对文件的全文本进行匹配比较.
  if to_find then
  url="chunfeng/" & fn
  Response.Write "<A HREF=" & url & ">
" & tit
  end if
  rcst1.movenext
  result=result or to_find
  loop
  Response.Write "</UL>"

' 符合条件的文件标题以超级链接形式输出到客户端.
  if not result then
  Response.Write "对不起,没有找到!"
  end if
  mousepointer=0
  %>
  <script RUNAT="Server" LANGUAGE="VBScript">
  function text_match(filename,search_string)
  dim retstring
  dim find_pos
  Dim fso, a
  dim done
  text_match=false
  Set fso = Server .CreateObject("Scripting.FileSystemObject
")

' 创建脚本的文件系统,打开文本流以读入.
  Set a = fso.OpenTextFile(filename, 1, FALSE)

done=a.AtEndOfStream or text_match
  Do While not done
  retstring = a.ReadLine
  find_pos=instr(retstring,search_string)
  if find_pos>0 then text_match=true
  done=a.AtEndOfStream or text_match
  Loop
  a.Close
  end function
  </script>
  </body></html>

[1]

点赞(0) 打赏

评论列表 共有 0 条评论

暂无评论

微信公众账号

微信扫一扫加关注

发表
评论
返回
顶部