a_login.asp

网上购物系统 asp+sql server 2005

<%
'随机生成验证码
randomize
yzm=int(8999*rnd()+1000)
session("byzm")=yzm
%>

<script language="JavaScript">
function checkform(){
	if (document.loginbox.userid.value.length ==0){
		alert("出错了，您没有填写用户名。");
		document.loginbox.userid.focus();
		return false;
	}
	if (document.loginbox.password.value.length==0){
		alert("出错了，您没有填写密码。");
		document.loginbox.password.focus();
		return false;
	}
	if (document.loginbox.yzm.value.length==0){
		alert("出错了，您没有填写验证码。");
		document.loginbox.yzm.focus();
		return false;
	}
	if (document.loginbox.yzm.value!="<%=yzm%>"){
		alert("出错了，您填写的验证码不正确。");
		document.loginbox.yzm.focus();
		return false;
	}
	return true;
}	
</script>

<table border="0" width="171" cellpadding="0" cellspacing="0" align=center  background="images/login/login2.gif"
 style="table-layout:fixed;word-break:break-all">  
<tr><td><img src="images/login/login.gif" border=0></td></tr>

<%
'根据cookies判断用户是否已经登陆
if request.cookies("buyok")("userid")="" then
'未登陆时显示登陆框
%>

<tr><td align=center>
<table border=0>
 <form method="post" name="loginbox" action="login.asp" onsubmit="return checkform();">
 <tr><td height="20" colspan=2> 用户名: <input alt="请填写要登陆的用户名" style="BORDER-RIGHT: #ece2d2 1px solid; BORDER-TOP: #ece2d2 1px solid; FONT-SIZE: 8pt; BORDER-LEFT: #ece2d2 1px solid; COLOR: #666666; BORDER-BOTTOM: #ece2d2 1px solid; FONT-FAMILY: verdana" maxlength=16 size=13 name="userid"></td>
 </tr>
 <tr><td height="20"  colspan=2> 密&nbsp;&nbsp;码: <input alt="请填写正确的密码" style="BORDER-RIGHT: #ece2d2 1px solid; BORDER-TOP: #ece2d2 1px solid; FONT-SIZE: 8pt; BORDER-LEFT: #ece2d2 1px solid; COLOR: #666666; BORDER-BOTTOM: #ece2d2 1px solid; FONT-FAMILY: verdana" type=password maxlength=16 size=13 name="password"> 
  <input type="hidden" name="login" value="ok">
 </td></tr>

 <tr><td height="20" colspan=2> 验证码: <input alt="请根据右边的图片填写验证码" style="BORDER-RIGHT: #ece2d2 1px solid; BORDER-TOP: #ece2d2 1px solid; FONT-SIZE: 8pt; BORDER-LEFT: #ece2d2 1px solid; COLOR: #666666; BORDER-BOTTOM: #ece2d2 1px solid; FONT-FAMILY: verdana" maxlength=4 size=4 name="yzm"> 
<%
a=int(yzm/1000)
b=int((yzm-a*1000)/100)
c=int((yzm-a*1000-b*100)/10)
d=int(yzm-a*1000-b*100-c*10)
response.write "<img align=top height=15 border=0 src=images/yzm/"&a&".gif><img align=top height=15 border=0 src=images/yzm/"&b&".gif><img  align=top height=15 border=0 src=images/yzm/"&c&".gif><img align=top height=15 border=0 src=images/yzm/"&d&".gif>"
%></td>
 </tr>

 <tr><td height="20" colspan=2> 有效期: <select size="1" name="cook" alt="选择登陆有效期">
  <option selected value="0">不保存</option>
  <option value="1">保存一天</option>
  <option value="30">保存一月</option>
  <option value="365">保存一年</option>
</select></td></tr>

 <tr><td height="20" align="center" ><input alt="登陆" type=image   src="images/login/denglu.gif" border=0 name="images"></td>
  <td  height="20" align="center" ><a class=c href="sign1.asp"><img alt="注册为本站会员" src="images/login/reg.gif"  border=0></a></td>
 </tr>
 </form>
</table>
</td></tr>

<%
else 
'已登陆时显示购物车相关信息
'读取cookies中购物车中商品的数量
buyok_cart=request.cookies("buyok")("cart")
buyok_cart_split=split(buyok_cart,",")
if buyok_cart="" then
buyok_cart_num=0
else
buyok_cart_num=(ubound(buyok_cart_split)+1)/2
end if
'读取cookies中商品的总金额
total=request.cookies("buyok")("total")
if total="" then total=0
%>
<tr><td height="20" align=center>您的购物车中有 <font color=red><%=buyok_cart_num%></font> 件商品</td></tr>
<tr><td height="20" align=center>总计货款： <font color=red><%=total%></font> 元</td></tr>
<tr><td  height="20" align="center" ><a href="user_center.asp"><font color=red><u title=进入会员中心>会员中心</u></font></a>&nbsp;&nbsp;<span style='cursor: hand'  onClick="window.open('order/shop.asp','blank_','scrollbars=yes,resizable=no,width=650,height=450')"><font color=red><u title=查看购物车>购 物 车</a></font></span></td>
</tr>
<%
end if
%>
<tr><td align=center height=20><img src="images/login/loginline.gif"></td></tr>
<!--*****************查询开始*****************-->
<tr><td align=center height=25>
<form name="youkeorder" action="youke_order.asp" method="post">

<input alt="请填写要查询的订单号" type="text" name="ordernum" size=13 maxlength=14 value="请填订单号"
style="BORDER-RIGHT: #CCCCCC 1px solid; BORDER-TOP: #CCCCCC 1px solid; FONT-SIZE: 9pt; BORDER-LEFT: #CCCCCC 1px solid; COLOR: #666666; BORDER-BOTTOM: #CCCCCC 1px solid;FONT-FAMILY: verdana"
onFocus="if (this.value==this.defaultValue) this.value='';" 
onBlur="if (this.value=='') this.value=this.defaultValue;"> 

<input type=image src="images/login/caxun.gif" border=0 name="caxun" align=top alt="<p align=left>请在左边的文本框中填入订单号<br>再点击“查询”按钮</p>">
</td></form></tr>

<tr><td align=center height=25>
<form name=fmsearch action="search.asp" method=post>
<INPUT TYPE="text" NAME="keywords" size="13" maxlength="20" value="搜索商品" alt="请填写要搜索的商品的关键词" 
style="BORDER-RIGHT: #CCCCCC 1px solid; BORDER-TOP: #CCCCCC 1px solid; FONT-SIZE: 9pt; BORDER-LEFT: #CCCCCC 1px solid; COLOR: #666666; BORDER-BOTTOM: #CCCCCC 1px solid;FONT-FAMILY: verdana"
onFocus="if (this.value==this.defaultValue) this.value='';" 
onBlur="if (this.value=='') this.value=this.defaultValue;"> 
<input type=image src="images/login/search.gif" border=0 name="search" align=top alt="<p align=left>请在左边的文本框中填入商品关键词<br>再点击“搜索”按钮</p>">
</td></form></tr>
<tr><td align=center><a href=search_more.asp><font color=red><u alt=使用复杂条件搜索商品>高级搜索</u></font></a> &nbsp;
<a href=getpsw1.asp><font color=red><u alt=取回密码>取回密码</u></font></a> &nbsp;
<a href=page.asp?id=13><font color=red><u alt=网站帮助>帮助</u></font></a></td></tr>

<!--*****************查询结束*****************-->
<tr><td><img src="images/login/login3.gif" border=0></td></tr>
</table>