一些Asp技巧和实用解决方法

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一些Asp技巧和实用解决方法

随机数:

<%randomize%>
<%=(int(rnd()*n)+1)%>

查询数据时得到的记录关键字用红色显示：

<% =replace(RS("字段X"),searchname,"<font color=#FF0000>" & searchname & "</font>") %>

通过asp的手段来检查来访者是否用了代理

<% if Request.ServerVariables("HTTP_X_FORWARDED_FOR")<>"" then
response.write "<font color=#FF0000>您通过了代理服务器，"& _
"真实的IP为"&Request.ServerVariables("HTTP_X_FORWARDED_FOR")
end if
%>

判断的来源

request.servervariables("HTTP_REFERER")
javascript: document.referrer

清除缓存，重新加载页面

<%response.expires = 0
response.expiresabsolute = now() - 1
response.addHeader "pragma","no-cache"
response.addHeader "cache-control","private"
Response.cachecontrol = "no-cache"
%>

在下拉菜单中显示年和月

<select name="select">
<%
Dim M_Year
Dim M_Month
Dim M_MonthJ
Dim M_TheMonth
Dim M_YM
For M_Year = 2000 To Year(Date)
M_Month = 12
If M_Year = Year(Date) Then
M_Month = Month(Date)
End If
For M_MonthJ=1 To M_Month
If M_MonthJ < 10 Then
M_TheMonth = "0" & M_MonthJ
Else
M_TheMonth = M_MonthJ
End If
M_YM = M_Year& "-" & M_TheMonth %>
<option value="<%= M_YM %>"><%= M_YM %></option>
<%
Next
Next %>
</select>

检索并删除数据库里的重复记录

conn.execute("delete from table where id not in (select distinct from table)")