第五次jsp作业


<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<%

String path = request.getContextPath();

String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

%>



<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

  <head>

    <base href="<%=basePath%>">

    

    <title>My JSP 'index.jsp' starting page</title>

    <meta http-equiv="pragma" content="no-cache">

    <meta http-equiv="cache-control" content="no-cache">

    <meta http-equiv="expires" content="0">    

    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

    <meta http-equiv="description" content="This is my page">

    <!--

    <link rel="stylesheet" type="text/css" href="styles.css">

    -->

    

  </head>

  

  <body>

  <%

  request.setCharacterEncoding("utf-8");

  String name=request.getParameter("userName");

  String password=request.getParameter("password");

  if(request.getParameter("validationCode1").equals(request.getParameter("validationCode"))){

  if(name.equals("申奇")&&(password.equals("12345"))){

  session.setAttribute("userName", name);

  response.sendRedirect("main.jsp");

  }else{

  response.sendRedirect("login.jsp");

  }

  }else{

  response.sendRedirect("login.jsp");

  }

   %>



     <br>

  </body>

</html



<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>

<%

String path = request.getContextPath();

String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";

%>



<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">

<html>

  <head>

    <base href="<%=basePath%>">

    

    <title>My JSP 'index.jsp' starting page</title>

    <meta http-equiv="pragma" content="no-cache">

    <meta http-equiv="cache-control" content="no-cache">

    <meta http-equiv="expires" content="0">    

    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">

    <meta http-equiv="description" content="This is my page">

    <!--

    <link rel="stylesheet" type="text/css" href="styles.css">

    -->

    

  </head>

  

  <body>

  <%

 String name=(String)session.getAttribute("userName");

   %>

您好<%=name %>,欢迎您访问<br>

<a href="exit.jsp">【退出系统】</a>

     <br>

  </body>

</html>

 

 

 

 

 

<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html>  <head>    <base href="<%=basePath%>">        <title>My JSP 'index.jsp' starting page</title>    <meta http-equiv="pragma" content="no-cache">    <meta http-equiv="cache-control" content="no-cache">    <meta http-equiv="expires" content="0">        <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">    <meta http-equiv="description" content="This is my page">    <!--    <link rel="stylesheet" type="text/css" href="styles.css">    -->    <style type="text/css">    body{font-size:16px;}    </style>    <script type="text/javascript">    function mycheck(){    if(form1.userName.value==""){    alert("用户名不能为空,请输入用户名");    form1.userName.focuse();    return;    }    if(form1.password.value==""){    alert("密码不能为空,请输入密码");    form1.password.focus();    return;    }    if(form1.validationCode.value==""){    alert("验证码不能为空,请输入验证码");    form1.validationCode.focus();    return;    }    if(form1.validationCode.value!=form1.validationCode1.value){    alert("请输入正确的验证码");    form1.validationCode.focus();    return;    }    form1.submit1();    }    </script>  </head>    <body>   <form action="logincheck.jsp" name="form1" method="post">   用户名:<input type="text" name="userName" size="16"><br>   密&nbsp;&nbsp;&nbsp;&nbsp;码:   <input type="password" name="password" size="18"><br>   验证码:<input type="text" name="validationCode" onKeyDown="if(event.keyCode==13){form1.submit.focus();}"size="6">  <%  int intmethod1=(int)((((Math.random())*5))+1);  int intmethod2=(int)((((Math.random())*5))+1);  int intmethod3=(int)((((Math.random())*5))+1);  int intmethod4=(int)((((Math.random())*5))+1);    String intsum=intmethod1+""+intmethod2+intmethod3+intmethod4;   %>    <input type="hidden" name="validationCode1" value="<%=intsum%>">   <img style="height:20px;weight:20px" src="images/<%=intmethod1 %>.png">   <img style="height:20px;weight:20px" src="images/<%=intmethod2 %>.png">   <img style="height:20px;weight:20px" src="images/<%=intmethod3 %>.png">   <img style="height:20px;weight:20px" src="images/<%=intmethod4 %>.png">   <br>   <input type="submit" name="submit1" value="登录" onClick="mycheck()">   &nbsp;   <input type="reset" value="重置">   </form>         <br>  </body></html>

posted on 2020-04-16 17:27  福来了  阅读(138)  评论(0编辑  收藏  举报