UC知道ASP高手帮我看下这段话的意思
来源：百度知道 编辑：UC知道 时间：2024/06/02 03:00:46
<%
newsclass1=Rs1("class")
'在页面右侧显示每个新闻类别下的相应新闻信息
Set Rs2 = Server.CreateObject("ADODB.Recordset")
Sql2="Select Top 5 * From newsinfo Where class="&newsclass1&" Order By time Desc"
Rs2.Open Sql2,conn,3,3
If Rs2.Eof And Rs2.Bof Then
Response.Write "<tr><td width='5%' height='20'> </td><td width='95%'>"
Response.Write "本新闻版块暂无新闻信息！"
Response.Write "</td></tr>"
Else
Do While not Rs2.EOF
%>
newsclass1=Rs1("class")
'在页面右侧显示每个新闻类别下的相应新闻信息
Set Rs2 = Server.CreateObject("ADODB.Recordset")
Sql2="Select Top 5 * From newsinfo Where class="&newsclass1&" Order By time Desc"
Rs2.Open Sql2,conn,3,3
If Rs2.Eof And Rs2.Bof Then
Response.Write "<tr><td width='5%' height='20'> </td><td width='95%'>"
Response.Write "本新闻版块暂无新闻信息！"
Response.Write "</td></tr>"
Else
Do While not Rs2.EOF
%>
<%
newsclass1=Rs1("class") //用Rs1查询出class，并保存到newsclass这个变量中
'在页面右侧显示每个新闻类别下的相应新闻信息
Set Rs2 = Server.CreateObject("ADODB.Recordset") //设置Rs2记录集
Sql2="Select Top 5 * From newsinfo Where class="&newsclass1&" Order By time Desc" //从newsinfo中查询出class=newsclass的前5条记录，并按time排序
Rs2.Open Sql2,conn,3,3 //打开记录集
If Rs2.Eof And Rs2.Bof Then //如果记录集为空（没有符合条件的记录），则执行下面的代码
Response.Write "<tr><td width='5%' height='20'> </td><td width='95%'>"
Response.Write "本新闻版块暂无新闻信息！"
Response.Write "</td></tr>"
Else //如果记录集不为空，则执行……
Do While not Rs2.EOF
%>