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javascript嵌套java實現jsp

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<%@ 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 onload="ready()">
<script>
function ready(){


<%Cookie[] cookies = request.getCookies();
for (int i = 0; i < cookies.length; i++) {
String key = cookies[i].getName();
String value = cookies[i].getValue();

if (key != null && key.equals("username")) {
%>
document.getElementById("username").value="<%=value%>";
<%
}

if (key != null && key.equals("password")) {
%>
document.getElementById("password").value="<%=value%>";
<%
}
}
%>
}

</script>


<form name="f1" id="f1" action="check.jsp" method="post">
<table>
<tr>
<td>Username:</td>
<td><input type="text" name="username" id="username"></td>
</tr>
<tr>
<td>Password:</td>
<td><input type="password" name="password" id="password"></td>
</tr>
<tr>
<td colspan="2"><input type="submit"></td>
</tr>
</table>
</form>
</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>
<%
//request.setAttribute("info", "abc");
//request.setAttribute("user", new Obj());
//String info = (String)request.getAttribute("info");
//Obj user = (Obj)request.getAttribute("user");

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

if(username.equals("AdiWood") && password.equals("ilovejapan")){
//request.setAttribute("nickName", "James");
session.setAttribute("nickName", "Smith");
session.setMaxInactiveInterval(5);
//request.getRequestDispatcher("main.jsp").forward(request, response);//轉寄的代碼
//轉寄不遺失資料，在伺服器內部直接發送資料
Cookie uc = new Cookie("username",username);
Cookie pc = new Cookie("password",password);

uc.setMaxAge(60*60*24*7);
pc.setMaxAge(3600*24*7);

response.addCookie(uc);
response.addCookie(pc);

response.sendRedirect("main.jsp");//重新導向的代碼
//重新導向遺失資料，因為需要用戶端重新發送資料
}else{
//request.getRequestDispatcher("login.jsp").forward(request, response);
response.sendRedirect("login.jsp");
}
%>
</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 user = request.getParameter("username");
//String nick = (String)request.getAttribute("nickName");

String nick = (String)session.getAttribute("nickName");
session.getMaxInactiveInterval();
%>

<h1>歡迎[<%=user %>]登入</h1>
<h2>Welcome[<%=nick %>]</h2>
<a href="exit.jsp">退出</a>
</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>
<%
session.invalidate();
%>
</body>
</html>

javascript嵌套java實現jsp

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