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jsp第四周

登录功能  用户名zs 密码123 登录成功  

要求 有验证码功能  界面要美观

 index.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
    String path = request.getContextPath();
    String basePath = request.getScheme() + "://"
            + request.getServerName() + ":" + request.getServerPort()
            + path + "/";
%>
<%
     String str=request.getParameter("zh");
     String pwd=request.getParameter("mm");
     if(null!=str){
         if(str.equals("zs")&&pwd.equals("123")){
             pageContext.forward("dl.jsp");
         }else{
             out.println("您输入的账号或密码有误,请确认后重新输入!");
         }
     }
%>
<!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>
    <form action="" method="post"><br>
    账号:
    <input type="text" name="zh"><br>
    密码:
    <input type="password" name="mm"><br>
    验证码:
    <input type="text" name="yz">
    <img id="yzmtp" src="images/yz.jpg"/>换一张<br>
    <input type="submit" value="登录" name="dl">
    </form>
  </body>
</html>

  dl.jsp

<%@ 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 'dl.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>
    欢迎登陆 <br>
  </body>
</html>

  

 

 

 

posted on 2021-03-28 22:24  I?sac  阅读(32)  评论(0编辑  收藏  举报