JSP登陆

最新推荐文章于 2021-06-19 21:04:53 发布

原创最新推荐文章于 2021-06-19 21:04:53 发布 · 1.1k 阅读

2 ·

CC 4.0 BY-SA版权

Java 专栏收录该内容

31 篇文章

订阅专栏

<%@ page language="java" contentType="text/html; charset=GB2312"
    pageEncoding="GB2312"%>
<%@ page import="java.util.*" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
  <title>登录页面</title>
</head>
<body>
  <form name="loginForm" method="post" action="judgeUser.jsp">
    <table>
      <tr>
        <td>用户名:<input type="text" name="userName" id="userName"></td>
      </tr>
      <tr>
        <td>密码:<input type="password" name="password" id="password"></td>
      </tr>
      <tr>
        <td><input type="submit" value="登录" style="background-color:pink">  <input type="reset" value="重置" style="background-color:red"></td>     
      </tr>
    </table>
  </form>
</body>
</html>

judgeUser.jsp

<%@ page language="java" contentType="text/html; charset=GB2312"
    pageEncoding="GB2312"%>
<%@ page import="java.util.*" %>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
  <title>身份验证</title>
</head>
<body>
  <%
    request.setCharacterEncoding("GB2312");
    String name = request.getParameter("userName");
    String password = request.getParameter("password");
    if(name.equals("abc")&& password.equals("123")) {
      
  %>
  <jsp:forward page="afterLogin.jsp">
     <jsp:param name="userName" value="<%=name%>"/>
  </jsp:forward>
  <%
   }
   else {
  %>
  <jsp:forward page="login.jsp"/>
  <%
   }
  %>
</body>
</html>

after.jsp

<%@ page language="java" contentType="text/html; charset=GB2312"
    pageEncoding="GB2312"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
 <title>登录成功</title>
</head>
<body>
  <%
   request.setCharacterEncoding("GB2312");
   String name = request.getParameter("userName");
   out.println("欢迎你:" + name);
  %>
</body>
</html>