第四次作业

<%@ 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>

原文地址:https://www.cnblogs.com/www111/p/14591641.html