改成
<%
String cardState="";
String state="";
while (rs.next()){
state=rs.getString("STATE");
if (state.equals("0"))
{
cardState="未开通";
}
else if (state.equals("1"))
{
cardState="已开通";
}
else if (state.equals("2"))
{
cardState="作废";
}
out.println(cardState); %>
试试看
<%
String cardState="";
String state="";
while (rs.next()){
state=rs.getString("STATE");
if (state.equals("0"))
{
cardState="未开通";
}
else if (state.equals("1"))
{
cardState="已开通";
}
else if (state.equals("2"))
{
cardState="作废";
}
out.println(cardState); %>
试试看
输出的是null;