使用以下代码确定用户名未显示在欢迎页面上的原因?
String custId = (String) session.getAttribute("customerId");
String emailId = (String) session.getAttribute("emailId");
String phoneNumber = (String) session.getAttribute("phoneNumber");
<body>
<p> </p>
<p> </p>
<p> </p>
<p> </p>
<table width="70%" align="center" border="1">
<tr>
<td align="center">Welcome to Going Green !</td>
</tr>
答案 0 :(得分:0)