比較不錯的asp單表單欄位多條件查詢

用途:文章表內文章關鍵字查詢
查詢格式: 百度 google 　　百度好還是google好　百度＋google　（也可不輸入條件全部查詢）

<!--#include file="conn.asp"-->
<%
Function SearshSQL(Tname,Lname,Str) 'Tname-表名　Lname-列名　Str－查詢的字元
If Trim(Str)="" then
MySql="Select * From "&Tname
Else
Str=SqlEncode(Str) '預先處理查詢字串
ArrStr=split(Str," ") '用空格分割處理後字串
Umax=Ubound(ArrStr) '分割後數組上維,確定分割成關鍵詞的個數
If Umax>0 Then '關鍵詞中多個空格的處理,從第2維開始處理
For i=1 to Umax
StrTemp=ArrStr(i)
If Trim(StrTemp)="" Then StrTemp="/~~~~~/" '分割成的元素為空白用特殊字元代替
Sql=Sql &" Or "& Lname &" like '%"& StrTemp &"%'"
Next
End If

MySql="Select * From "& Tname &" where "& Lname &" like '%"&ArrStr(0)&"%'"&Sql

Do
j=InStr(1,MySql, "%/~~~~~/%",1)
If j=0 Then
Exit Do
End If
MySql=Replace(MySql," Or "&Lname&" like '%/~~~~~/%'","")
Loop
End IF

SearshSQL=MySql

end function

Function SqlEncode(Str) '格式化字串
str=replace(str,"　"," ") '先把左右的全形空格替換成半形空格
str=trim(str)
str=replace(str,"["," ")
str=replace(str,"';"," ")
str=replace(str,"'"," ")
str=replace(str,"_"," ")
str=replace(str,"%"," ")
str=replace(str,"+"," ")
str=replace(str,"　"," ")
sqlencode=str
end function
%>
<%
sql=SearshSQL("article","coments","蘿蔔＋白菜　狗熊") ＋"order by..(排序)"
Set rs=Server.Createobject("ADODB.RECORDSET")
rs.Open sql,conn,1,1
if not rs.eof then

下面的自己寫