<%@ 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#或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>" ' 把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] |
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