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Web搜索界面如下：
采用枚举法的源程序如下：
<%@ CODEPAGE = "936" %>
'连接数据库
<%
dim conn
dim DBOath
dim rs
dim sql
Set conn=Server.CreateObject("ADODB.Connection")
DBPath = Server.MapPath("addressbook.mdb")
conn.Open "driver={Microsoft Access Driver (*.mdb)};dbq=" & DBPath
Set rs=Server.CreateObject("ADODB.Recordset")
'从Web页获取姓名、电话、学校的值
dim Name
dim Tel
dim School
Name=request("Name")
Tel=request("Tel")
School=request("School")
'枚举法的搜索核心，因为有3个条件所以要写8组If判断语句
if trim(Name)="" and trim(Tel)="" and trim(School)="" then
sql="select * from address order by ID asc"
end if
if trim(Name)="" and trim(Tel)="" and trim(School)<>"" then
sql="select * from address where School like '%"&trim(School)&"%' order by ID asc"
end if
if trim(Name)="" and trim(Tel)<>"" and trim(School)="" then
sql="select * from address where Tel like '%"&trim(Tel)&"%' order by ID asc"
end if
if trim(Name)="" and trim(Tel)<>"" and trim(School)<>"" then
sql="select * from address where Tel like '%"&trim(Tel)&"%' and School like '%"&trim(School)&"%' order by ID asc"
end if
if trim(Name)<>"" and trim(Tel)="" and trim(School)="" then
sql="select * from address where Name like '%"&trim(Name)&"%' order by ID asc"
end if
if trim(Name)<>"" and trim(Tel)="" and trim(School)<>"" then
sql="select * from address where Name like '%"&trim(Name)&"%' and School like '%"&trim(School)&"%' order by ID asc"
end if
if trim(Name)<>"" and trim(Tel)<>"" and trim(School)="" then
sql="select * from address where Name like '%"&trim(Name)&"%' and Tel like '%"&trim(Tel)&"%' order by ID asc"
end if
if trim(Name)<>"" and trim(Tel)<>"" and trim(School)<>"" then
sql="select * from address where Name like '%"&trim(Name)&"%' and Tel like '%"&trim(Tel)&"%' and School like '%"&trim(School)&"%' order by ID asc"
end if
rs.open sql,conn,1,1
'显示搜索结果
if rs.eof and rs.bof then
response.write "目前通讯录中没有记录"
else
do while not rs.eof
response.write "姓名："&rs("Name")&"电话："&rs("Tel")&"学校："&rs("School")&"<br>"
rs.movenext
loop
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