这样做为什么不对？

Question

<%rs.getString("emp_id")%>
改成<%=rs.getString("emp_id")%>
或<%out.println(rs.getString("emp_id"));%>

Answer 1

<td align=center><a href=deluser.jsp?user="<%=rs.getString("emp_id")%>">删除</a></td>

Answer 2

<td align=center><a href="deluser.jsp?user="+<%=rs.getString("emp_id")%>删除</a></td>

Answer 3

<td align=center><a href="deluser.jsp?user=<%=rs.getString("emp_id")%>"/>删除</a></td>

Answer 4

<td align=center><a href="deluser.jsp?user="<%=rs.getString("emp_id")%>删除</a></td>

Answer 5

<%rs.getString("emp_id")%>
改成<%=rs.getString("emp_id")%>
或<%out.println(rs.getString("emp_id"));%>