jsp登录会话的简单实现

前端技术 2023/09/07 JSP

jsp登录会话的简单实现

<%@ page language=\"java\" contentType=\"text/html; charset=UTF-8\"
  pageEncoding=\"UTF-8\"%>
<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">
<html>
<head>
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">
<title>登录界面</title>
</head>
<body>

<form action=\"test_session2.jsp\" method=\"post\"> 
<table width=\"300\" height=\"300\" border=\"0\" align=\"center\">
  <tr height=\"80\" align=\"center\">
    <td colspan=\"2\"><font size=\"24\">OO登录</font></td></tr>
  <tr height=\"30\">
    <td width=\"80\" align=\"right\">用户名：</td>             
    <td><input type=\"text\" name=\"name\"></td></tr>
  <tr height=\"30\">
    <td width=\"80\" align=\"right\"> 密  码：</td>
    <td> <input type=\"password\" name=\"password\"></td></tr>
    <tr><td height=\"40\" align=\"center\" colspan=\"2\">
    <input type=\"submit\" value=\"登录\"></td></tr>
 </table>


</body>
</html>
<%@ page language=\"java\" contentType=\"text/html; charset=UTF-8\"
  pageEncoding=\"UTF-8\"%>
<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">
<html>
<head>
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">
<title>登录成功</title>
</head>
<body>
<% 
String name = new String( request.getParameter(\"name\").getBytes(\"ISO-8859-1\"),\"UTF-8\");
session.setAttribute(\"name\", name);

out.println(name + \"成功登陆\");
%>
<a href=\"test_session3.jsp\"><br>跳转</a>
</body>
</html>
<%@ page language=\"java\" contentType=\"text/html; charset=UTF-8\"
  pageEncoding=\"UTF-8\"%>
<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">
<html>
<head>
<meta http-equiv=\"Content-Type\" content=\"text/html; charset=UTF-8\">
<title>会话</title>
</head>
<body>
<%
String str = \"\";
Object obj = session.getAttribute(\"name\");
if(obj != null){
  str = obj.toString();
  out.println(str + \"已经成功登陆\");
}else{
  out.println(\"会话超时，请重新登录。\");
}
%>
</body>
</html>

以上就是小编为大家带来的jsp登录会话的简单实现全部内容了，希望大家多多支持phpstudy~

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