用途:文章表内文章关键字查询 查询格式: 百度 google 百度好还是google好 百度＋google （也可不输入条件全部查询）
!--#include file="conn.asp"--> % Function SearshSQL(Tname,Lname,Str) 'Tname-表名 Lname-列名 Str－查询的字符 If Trim(Str)="" then MySql="Select * From "Tname Else Str=SqlEncode(Str) '预处理查询字符串 ArrStr=split(Str," ") '用空格分割处理后字符串 Umax=Ubound(ArrStr) '分割后数组上维,确定分割成关键词的个数 If Umax>0 Then '关键词中多个空格的处理,从第2维开始处理 For i=1 to Umax StrTemp=ArrStr(i) If Trim(StrTemp)="" Then StrTemp="/~~~~~/" '分割成的元素为空用特殊字符代替 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) '格式化字符串 str=replace(str," "," ") '先把左右的全角空格替换成半角空格 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","萝卜＋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
