简单问题在线结贴

Question

<select>      
<%
     String book_cbs;

ResultSet RS1 = workM.executeQuery("select * from book_cbs");
while(RS1.next())
{


book_cbs=getStr(RS1.getString("cbs_name"));
if (book_cbs==null)
book_cbs="空";

     %>
            <option value="<%=book_cbs%>"><%=book_cbs%></option>
            
 <%
       
}
%>          </select>

Answer 1

<select>
<%
     String book_cbs;

ResultSet RS1 = workM.executeQuery("select * from book_cbs");
try
{
while(RS1.next())
{


book_cbs=getStr(RS1.getString("cbs_name"));
if (book_cbs==null)
book_cbs="空";

     %>
            <option value="<%=book_cbs%>"><%=book_cbs%></option>
       <%
       
}
}
catch(Exception e)
{
out.println(e);
}
       %>
</select>

Answer 2

<select>
<%
     String book_cbs;

ResultSet RS1 = workM.executeQuery("select * from book_cbs");
try
{
while(RS1.next())
{


book_cbs=getStr(RS1.getString("cbs_name"));
if (book_cbs==null)
book_cbs="空";

     %>
            <option value="<%=book_cbs%>"><%=book_cbs%></option>
       <%
       
}
}
catch(Exception e)
{
out.println(e);
}
       %>
</select>