login.jsp

简单实现的商品购物系统

<%@ page contentType="text/html; charset=GBK" %>
<%@ page  import="bookshop.UserInfoBean" %>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<c:choose>
<c:when test="${sessionScope.userName==null}">
<script language="JavaScript" type="">
	function checkform()
	{
		if(form.txtname.value=="")
		{
			alert("请输入用户名！");
			form.txtname.focus();
			return false;
		}
		if(form.txtpwd.value=="")
		{
			alert("请输入密码！");
			form.txtpwd.focus();
			return false;
		}
		if(form.txtrand.value=="")
		{
			alert("请输入认证码！");
			form.txtrand.focus();
			return false;
		}
		return true;
	}
</script>
<style type="text/css">
<!--
.style1 {color: #FFFFFF}
-->
</style>


<table width=100% height="25%" border=1 cellpadding=3 cellspacing=0 bordercolor=#0099CC bgcolor="#FFFFFF" style="border-collapse:collapse" valign=bottom>
<tr><td height="32" align=center bgcolor=#0099CC>
  <strong><font size=2px color=#ffffff>会员登陆</font></strong>
</td>
</tr>
<tr height=120>
  <td height="87" valign="top" bgcolor=#FFFFFF><table width=96% height=95% border=0 align="center" cellpadding=0 cellspacing=0 bordercolor=#0099CC bgcolor=#ffffff style="border-collapse:collapse">
    <tr>
      <td height="86">
        <table width="100%" height="90%" border=0 align="center" cellpadding=0 cellspacing=3>
          <form method="post" action="checkloginservlet" name="form">
            <tr>
              <td width=40% height="29" align=right><font size=2px>用户名:</font></td>
              <td width=90%><input type="text" size=10 name=txtname style="border:1px double rgb(88,88,88)"></td>
            </tr>
            <tr>
              <td height="20" align=right><font size=2px>密&nbsp;码:</font></td>
              <td><input type="password" size=10 name=txtpwd style="border:1px double rgb(88,88,88)"></td>
            </tr>
            <tr>
              <td height="20" align=right><font size=2px>认证码:</font></td>
              <td><img border=0 src="main/image.jsp"></td>
            </tr>
            <tr>
              <td width=40% height="30" align=right valign="top"><font size=2px>输&nbsp;入:</font></td>
              <td width=90% valign="top"><input name=txtrand type="text" id="txtrand" style="border:1px double rgb(88,88,88)" size=10></td>
            </tr>
            <tr>
              <td height="19" colspan=2 align=center><input name=imageField type=image src="image/login.gif" width=62 height=18 border=0  onClick="return checkform()">
                <a href="userreg.jsp"><img src="image/reg.gif" width=62 height=18 border=0></a></td>
            </tr>
            <tr>
              <td width=100% align=center colspan=2>&nbsp;  </td>
            </tr>
          </form>
      </table></td>
    </tr>
  </table></td>
</tr>
</table>
</c:when>

<c:otherwise>
<table width=100% height="26%" border=1 cellpadding=3 cellspacing=0 bordercolor=#0099CC bgcolor="#FFFFFF" style="border-collapse:collapse" valign=bottom>
<tr><td height="34" align=center bgcolor=#0099CC class="style1">
  <strong><font size=2px>欢迎</font><font size=2px>登陆</font></strong>
</td>
</tr>
<jsp:useBean id="xie"  class="bookshop.UserInfoBean" scope="page"/>
<%
String name=(String)session.getAttribute("userName");
 String pic= xie.getPic(name);
 session.setAttribute("userPic",pic);
%>

<tr height=120><td valign="top" bgcolor=#FFFFFF><table width=90% height="95" border=0 align=center cellpadding=0 cellspacing=2>
  <tr>
    <td align=center><table width="10%" height="100"  border="1" cellspacing="4">
      <tr>
        <td><div align="center"><img src="./<%=pic%>" width="69" height="91"></div></td>
      </tr>
    </table></td>
  </tr>
  <tr>
    <td width=40% align=center><font size=2 color=red >${sessionScope.userName}</font></td>
  </tr>
  <tr>
    <td width=40% align=center><a href="updateuserservlet?action=select">修改信息</a></td>
  </tr>
  <tr>
    <td width=100% align=center colspan=2><a href="logout.jsp"><font size=2>注销用户</font></a></td>
  </tr>
</table>
    <div align="center"></div></td>
</tr>
</table>
</c:otherwise>

</c:choose>