随堂练习 

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
  <head>
    <title>$Title$</title>
  </head>

  <script type="text/javascript">
    function reloadCode()
    {
      var time=new Date().getTime();
      document.getElementById("imagecode").src="<%= request.getContextPath()%>/servlet/ImageServlet?d="+time;
    }
  </script>


  <body>
  <form action="<%= request.getContextPath()%>/servlet/UserServlet" method="post" >
   用户名:<input type="text" name="uname"/>
    <br>
   密码:<input type="password"  name="password"/>
    <br>
    验证码:<input  type="text" name="checkCode"/>
    <a href="javascript:reloadCode();">
      <img alt="验证码" id="imagecode" src="<%= request.getContextPath()%>/servlet/ImageServlet"/>
      看不清楚</a><br>
    <input type="submit" value="登录">
  </form>
  </body>


</html>

 

posted @ 2021-03-29 17:49  Silent222  阅读(20)  评论(0)  编辑  收藏  举报