power.jsp

来自「Java基础教程课程中的例题源码下载。总共有11章」· JSP 代码 · 共 26 行

<center>                                     <%//客户端html界面%>
<form name=form1 method=get action="power.jsp">
显示<input type=text name=n1>的幂值
<input type=submit value="确定"><br></form>  <%//提交参数n1%>
<%String n1=request.getParameter("n1");%>    <%//服务器端JSP接收参数%>
<%!int n=2,power=1;%>
<%if (n1!=null) 
  {
    n=Integer.parseInt(n1);
    power=1;
  } %>
<font color="red"><%=n%>的幂值</font>
<table border=2>                             <%//绘制表格%>
  <tr>
      <td> 幂次 </td>                        <%//表格标题%>
      <td> <%=n%>的幂值 </td>
  </tr>
      <%for (int i=0;i<=10;i++) { %>
        <tr>                                 <%//表格一行%>
           <td><%=i%></td>                   <%//表格一列%>
           <td><%out.print(power);
               power=power*n;%></td>
        </tr>
      <% } %>
</table>
</center>