<form action="request.jsp" method="post">        <table>            <tr>                <td>username:</td>                <td><input type="text" name="username" value=""></td>            </tr>            <tr>                <td>hobby:</td>                <td><input type="checkbox" name="favor" value="basket">basketball</td>                <td><input type="checkbox" name="favor" value="football">football</td>                <td><input type="checkbox" name="favor" value="eat">eatting</td>            </tr>            <tr>                <td colspan="2"><input type="submit" value="SubMit">                </td>            </tr>        </table>    </form>

//request.jsp 
<%--request处理中文乱码问题 --%>  <%     request.setCharacterEncoding("utf-8");//解决字符乱码问题,对post有效     request.setAttribute("password", "admin");//保存一些属性的值   %>   <%--request获取form表单的信息 --%>  username:<%=request.getParameter("username") %><br/>  hobby:<%          if(request.getParameterValues("favor")!=null)          {              String []hobby=request.getParameterValues("favor");              for(String s:hobby)              {                out.println(s);              }               }        %>    password:<%=request.getAttribute("password") %><br/>    <hr/>        <%--request获得客户端的一些信息 --%>  获得请求的页面类型：<%=request.getContentType() %><br/>  获得请求的协议版本：<%=request.getProtocol() %><br/>  获得请求的服务器名字：<%=request.getServerName() %><br/>   获得请求的服务器端口号：<%=request.getServerPort() %><br/>  获得客户端ip地址: <%=request.getRemoteAddr() %><br/>