📄 sale4.asp
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<%@ LANGUAGE="VBScript" %>
<html>
<head>
<script language="vbscript">
<!--
' 注释：定义放入购物袋的操作过程
Sub DoOrder(infstr)
' 注释：获取图书订购数量
ordernum = Prompt("请输入您的订购数量！", "1")
' 注释：验证订购数量信息
If Not IsNull(ordernum) Then
If IsNumeric(ordernum) Then
' 注释：将购书信息以字符串的形式保存在文件sale5.asp隐藏表单控件中
bookinf = Split(infstr, ";")
If parent.sale5.fbag.ISBNs.value = "" Then
parent.sale5.fbag.ISBNs.value = bookinf(0)
parent.sale5.fbag.titles.value = bookinf(1)
parent.sale5.fbag.nums.value = ordernum
Else
parent.sale5.fbag.ISBNs.value = parent.sale5.fbag.ISBNs.value & ";" & bookinf(0)
parent.sale5.fbag.titles.value = parent.sale5.fbag.titles.value & ";" & bookinf(1)
parent.sale5.fbag.nums.value = parent.sale5.fbag.nums.value & ";" & ordernum
End If
' 注释：更新购物袋的显示
parent.sale5.fbag.submit
Else
Alert("订购数量只能用数字[0-9]表示！请重试...")
End If
End If
End Sub
-->
</script>
</head>
<body bgcolor="#FFFF99">
<form>
<%
' 注释：生成SQL查询语句
If Request("fid") <> "" Then
where = "a.typeid='" & Request("fid") & "'"
ElseIF Request("title") <> "" Then
where = "a.title LIKE '%" & Request("title") & "%'"
ElseIF Request("author") <> "" Then
where = "a.author LIKE '%" & Request("author") & "%'"
ElseIF Request("ISBN") <> "" Then
where = "a.ISBN = '" & Request("ISBN") & "'"
Else
where = ""
End If
mysql = "SELECT a.ISBN, a.title AS btitle, a.author, a.price, " & _
"b.title AS ptitle " & _
"FROM book AS a JOIN Publisher AS b " & _
"ON PATINDEX('%-' + b.id + '-%',a.ISBN) > 0 "
If where <> "" Then mysql = mysql & "WHERE " & where
' 注释：连接数据库并执行SQL语句
Set objRS = Session("objRS")
objRS.Source = mysql
objRS.Open
' 注释：显示标题信息
outstr = "<font size=5 face=楷体_GB2312 color=red><b>"
If Request("type") <> "" Then
outstr = outstr & "当前图书分类：" & Request("type")
Else
outstr = outstr & "图书列表："
End If
outstr = outstr & "</b></font>"
Response.Write(outstr)
' 注释：显示检索到的图书信息
outstr = ""
If objRS.RecordCount > 0 Then Response.Write("<table>")
For i = 1 To objRS.RecordCount
price = CSng(objRS("price"))
If i > 1 Then outstr = "<tr><td colspan=4> </td></tr>"
outstr = outstr & _
"<tr><td colspan=4>" & _
"<a href=detail.asp?ISBN=" & objRS("ISBN") & _
" target=_blank title=查看该图书的详细信息>" & _
"<font size=4 face=楷体_GB2312><b>" & objRS("btitle") & "</b>" & _
"</a></td></tr>" & _
"<tr>" &_
"<th>书号:</th><td>" & objRS("ISBN") & " </td>" & _
"<th>出版社:</th><td>" & objRS("ptitle") & "</td>" & _
"</tr><tr>" & _
"<th>作者:</th><td>" & objRS("author") & "</td>" & _
"<th>定 价:</th><td>￥" & objRS("price") & "元</td>" & _
"</tr>" & _
"<tr><td colspan=4>" & _
"<font color=red>在线订购最低价:" & _
" 7折 " & price * 0.7 & "元" & _
" 您可节省" & price * 0.3 & "元" & _
"</font></td></tr>" & _
"<tr><td colspan=4>" & _
"<a href='#' onclick=" & Chr(34) & "DoOrder('" & _
objRS("ISBN") & ";" & _
objRS("btitle") & "')" & Chr(34) & _
"onmousemove=window.status='放入购物袋' onmouseout=window.status=''" & _
">放入购物袋" & _
"</a></td></tr>"
Response.Write(outstr)
outstr = ""
objRS.MoveNext
Next
If objRS.RecordCount > 0 Then
Response.Write("</table>")
Else
Response.Write("<p><b>还没有相关图书！</b>")
End If
' 注释：关闭数据记录集
objRS.Close
Set objRS = Nothing
%>
</form>
</body>
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