asp简单的搜索引擎代码

下面是库中URLINDEX表：URL和Keywords字段分别添加了索引.

URL 文本 (索引:有(无重复))
Title 文本
Description 文本
Summary 文本
Keywords 文本(索引:有(无重复))

doquery.asp

1<html><head><title>简单搜索引擎</title></head>
2<body bgcolor="#ffffff" leftmargin="0" marginheight="0" marginwidth="0" topmargin="0">
3<form action="doquery.asp?act=search" method="post">   
4Query: <input name="QueryString" type="Text"/><br/>
5<input type="Submit" value="Submit"/>
6</form>
7
8
9

dim act
act=request("act")
if(act="search") then
QueryString = Request.form( "QueryString" )
QueryWords = Split( QueryString )
strIndent = " "

' 如果搜索为空则返回
If QueryString = "" Then
Response.Redirect( "default.asp" )
End If

Session.timeout = 2
If IsObject(Session("sitesearch_conn")) Then
Set conn = Session("sitesearch_conn")
Else
Set conn = Server.CreateObject("ADODB.Connection")
conn.open "driver={Microsoft Access Driver (*.mdb)};dbq=" & Server.MapPath("database/SiteSearch.mdb"),"",""
Set Session("sitesearch_conn") = conn
End If

' 查询语句
sql = "SELECT * FROM [URLIndex] WHERE"

'搜索Description字段
sql = sql & " ( [Description] LIKE '%" & QueryWords( 0 ) & "%'" ' First
For i = LBound( QueryWords ) + 1 to UBound( QueryWords )
If QueryWords( i ) <> "" and UCase( QueryWords(i) ) <> "OR" and UCase( QueryWords(i) ) <> "AND" Then
If uCase( QueryWords( i-1 ) ) = "OR" Then
sql = sql & " OR [Description] LIKE '%" & QueryWords( i ) & "%'"
Else
sql = sql & " AND [Description] LIKE '%" & QueryWords( i ) & "%'"
End If
End If
Next

' 搜索Keywords字段
sql = sql & " ) OR ( [Keywords] LIKE '%" & QueryWords( 0 ) & "%'"
For i = LBound( QueryWords ) + 1 to UBound( QueryWords )
If QueryWords( i ) <> "" and UCase( QueryWords(i) ) <> "OR" and UCase( QueryWords(i) ) <> "AND" Then
If uCase( QueryWords( i-1 ) ) = "OR" Then
sql = sql & " OR [Keywords] LIKE '%" & QueryWords( i ) & "%'"
Else
sql = sql & " AND [Keywords] LIKE '%" & QueryWords( i ) & "%'"
End If
End If
Next

' 搜索Title字段
sql = sql & " ) OR ( [Title] LIKE '%" & QueryWords( 0 ) & "%'"
For i = LBound( QueryWords ) + 1 to UBound( QueryWords )
If QueryWords( i ) <> "" and UCase( QueryWords(i) ) <> "OR" and UCase( QueryWords(i) ) <> "AND" Then
If uCase( QueryWords( i-1 ) ) = "OR" Then
sql = sql & " OR [Title] LIKE '%" & QueryWords( i ) & "%'"
Else
sql = sql & " AND [Title] LIKE '%" & QueryWords( i ) & "%'"
End If
End If
Next

' 搜索Summary字段
sql = sql & " ) OR ( [Summary] LIKE '%" & QueryWords( 0 ) & "%'"
For i = LBound( QueryWords ) + 1 to UBound( QueryWords )
If QueryWords( i ) <> "" and UCase( QueryWords(i) ) <> "OR" and UCase( QueryWords(i) ) <> "AND" Then
If uCase( QueryWords( i-1 ) ) = "OR" Then
sql = sql & " OR [Summary] LIKE '%" & QueryWords( i ) & "%'"
Else
sql = sql & " AND [Summary] LIKE '%" & QueryWords( i ) & "%'"
End If
End If
Next

sql = sql & " )"

'
Set rs = Server.CreateObject("ADODB.Recordset")
rs.Open sql, conn, 3, 3

Response.Write " 你搜索的是: " & QueryString

Response.Write " 搜索的关键字: "
For i = LBound( QueryWords ) to UBound( QueryWords )
Response.Write " " & strIndent & i & ": " & QueryWords( i )
Next

' Print the SQL String
Response.Write " sql 语句 : " & sql

' Print the Results
Response.Write " 结果 : <ul>"
On Error Resume Next
rs.MoveFirst
Do While Not rs.eof
Response.Write " " & "<a href='OpenPage.asp?IndexURL=" & rs.Fields("URL").Value & "'>" & rs.Fields("Title") & "</a> - "
Response.Write rs.Fields("Description") & " "
Response.Write " URL: " & rs.Fields("URL") & ""
Response.Write "<hr align="LEFT" size="1" width="200"/>"
rs.MoveNext
Loop
Response.Write "</ul>"

end if

1
2  
3</body>
4</html>

asp简单的搜索引擎代码

URL 文本 (索引:有(无重复))Title 文本Description 文本Summary 文本Keywords 文本(索引:有(无重复))

URL 文本 (索引:有(无重复))
Title 文本
Description 文本
Summary 文本
Keywords 文本(索引:有(无重复))