用ASP做一个TOP COOL的站内搜索

该搜索引擎由一个HTM文件一个ASP文件组成，主要是运用FILESYSTEMOBJECT组件来达到目的，功能强大，修改界面以后可以直接拿来使用，当然加上一点自己的东西就更加好了。

searchpage.htm
该HTM文件用来传入条件

<HTML>
    <HEAD>
        <TITLE>ASP搜索引擎范例</TITLE>
    </HEAD>
    <BODY>
        <CENTER>
            <FORM METHOD=POST ACTION="search.asp">

    <TABLE BGCOLOR="#CC6633" BORDER="0">
      <TR>

        <TD ROWSPAN="3" BGCOLOR="#CC6633" width="21" nowrap>  </TD>

        <TD width="363" nowrap> <FONT COLOR="#FFFFFF">
          <INPUT TYPE="text" NAME="SearchText" SIZE="22">
                                <INPUT TYPE="checkbox" NAME="Case">
          高度敏感</FONT> </TD>

        <TD ROWSPAN="3" width="10">
          <INPUT TYPE="submit" VALUE="确定">
                                <P>

            <INPUT TYPE="reset" VALUE="清除">
                        </TD>

        <TD ROWSPAN="3" BGCOLOR="#CC6633" width="28">  </TD>
                    </TR>
                    <TR>

        <TD width="363" nowrap> <FONT COLOR="#FFFFFF"> 返回结果
          <SELECT name="rLength" >
            <option value="200" selected>长信息 </option>
            <option value="100">短信息</option>
            <option value="0">只返回连接</option>
          </SELECT>
                                <SELECT NAME="rResults">
                                    <OPTION VALUE="10" SELECTED>10
                                    <OPTION VALUE="25">25
                                    <OPTION VALUE="50">50
                                </SELECT>
                            </FONT>
                        </TD>
                    </TR>
                    <TR>

        <TD width="363" nowrap> <FONT COLOR="#FFFFFF"> 必须包括:
          <INPUT TYPE="checkbox" NAME="iImage">
          图片
<INPUT TYPE="checkbox" NAME="iZips">
          Zip格式
<INPUT TYPE="checkbox" NAME="iJavaS"> JavaScript
                            </FONT>
                        </TD>
                    </TR>
                </TABLE>
            </FORM>
            </CENTER>

<DL>
  <DD>  </DD>
        </DL>
    </BODY>
</HTML>

------------------------------------------------------------------------
显示结果的ASP程序
search.asp

<HTML>
<HEAD>
<TITLE>'<%=Request("SearchText")%>'的搜索结果</TITLE>
</HEAD>
<BODY>
<B>'<%=Request("SearchText")%>'的搜索结果</B><BR>
<%
Const fsoForReading = 1
Dim objFile, objFolder, objSubFolder, objTextStream
Dim bolCase, bolFileFound, bolTagFound
Dim strCount, strDeTag, strExt, strFile, strContent, strRoot, strTag, strText, strTitle, strTitleL
Dim reqImage, reqJavaS, reqLength, reqNumber, reqZip

strFile = ".asp .htm .html .js .txt .css"
strRoot = "/"
strText = Request("SearchText")
strTag = Chr(37) & Chr(62)
bolFileFound = False
bolTagFound = False
If Request("Case") = "on" Then bolCase = 0 Else bolCase = 1
If Request("iImage") = "on" Then reqImage = "<IMG" Else reqImage = ""
If Request("iZips") = "on" Then reqZips = ".zip" Else reqImage = ""
If Request("iJavaS") = "on" Then reqJavaS = "JavaScript" Else reqImage = ""
If Request("rResults") = "10" Then reqNumber = 10
If Request("rResults") = "25" Then reqNumber = 25
If Request("rResults") = "50" Then reqNumber = 50
reqLength = Request("rLength")

Set objFSO = Server.CreateObject("Scripting.FileSystemObject")
Set objFolder = objFSO.GetFolder(Server.MapPath(strRoot))

schSubFol(objFolder)

Sub schSubFol(objFolder)
    For Each objFile in objFolder.Files
        If strCount + 1 > reqNumber or strText = "" Then Exit Sub
        If Response.IsClientConnected Then
            Set objTextStream = objFSO.OpenTextFile(objFile.Path,fsoForReading)

            strContent = objTextStream.ReadAll

            If InStr(1, strContent, strTag, bolCase) Then
            Else
                If Mid(objFile.Name, Len(objFile.Name) - 1, 1) = "." Then strExt = Mid(objFile.Name, Len(objFile.Name) - 1, 2)
                If Mid(objFile.Name, Len(objFile.Name) - 2, 1) = "." Then strExt = Mid(objFile.Name, Len(objFile.Name) - 2, 3)
                If Mid(objFile.Name, Len(objFile.Name) - 3, 1) = "." Then strExt = Mid(objFile.Name, Len(objFile.Name) - 3, 4)
                If Mid(objFile.Name, Len(objFile.Name) - 4, 1) = "." Then strExt = Mid(objFile.Name, Len(objFile.Name) - 4, 5)
                If InStr(1, strContent, strText, bolCase) And _
                    InStr(1, strContent, reqImage, 1) And _
                    InStr(1, strContent, reqZips, 1) And _
                    InStr(1, strContent, reqJavaS, 1) And _
                    Instr(1, strFile, strExt, 1) Then
                    If InStr(1, strContent, "<TITLE>", 1) Then strTitle = Mid(strContent, InStr(1, strContent, "<TITLE>", 1) + 7, InStr(1, strContent, "</TITLE>", 1)) Else strTitle = "未命名"

                    strCount = strCount + 1
                    Response.Write "<DL><DT><B><I>"& strCount &"</I></B> - <A HREF=" & objFile.Path & ">" & strTitle & "</A></A></DT><BR><DD>"
                    strTitleL = InStr(1, strContent, "</TITLE>", 1) - InStr(1, strContent, "<TITLE>", 1) + 7

                    strDeTag = ""
                    bolTagFound = False

                    Do While InStr(strContent, "<")
                        bolTagFound = True
                        strDeTag = strDeTag & " " & Left(strContent, InStr(strContent, "<") - 1)
                        strContent = MID(strContent, InStr(strContent, ">") + 1)
                    Loop

                    strDeTag = strDeTag & strContent
                    If Not bolTagFound Then strDeTag = strContent

                    If reqLength = "0" Then Response.Write objFile.Path & "</DD></DL>" Else Response.Write Mid(strDeTag, strTitleL, reqLength) & "...<BR><b><FONT SIZE='2'>URL: " & objFile.Path & " - 上次修改时间: " & objFile.DateLastModified & " - " & FormatNumber(objFile.Size / 1024) & "Kbytes</FONT></b></DD></DL>"
                    bolFileFound = True
                End If
                objTextStream.Close
            End If
        End If
    Next
End Sub

For Each objSubFolder in objFolder.SubFolders
    schSubFol(objSubFolder)
Next

If Not bolFileFound then Response.Write "没有匹配结果"
If bolFileFound then Response.Write "<B>搜索结束</B>"

Set objTextStream = Nothing
Set objFolder = Nothing
Set objFSO = Nothing
%>
</BODY></HTML>