JSP第六次作业
1.
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML>
<html>
<head>
<title></title>
</head>
<body>
<form name="form" action="2.jsp" method="post">
用户名：<input type="text" name="uname"><br>
密码：<input type="password" name="upwd"><br>
<input type="submit" value="登录" >
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML>
<html>
<head>
<title></title>
</head>
<body>
<%
String uname=request.getParameter("uname");
String upwd=request.getParameter("upwd");
if(uname.equals(upwd)){
session.setAttribute("uname", uname);
request.getRequestDispatcher("3.jsp").forward(request,response);
}else{
request.getRequestDispatcher("4.jsp").forward(request,response);
}
%>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML>
<html>
<head>
<title></title>
</head>
<body>
<h1>登陆成功！</h1>
<%
String uname = (String) session.getAttribute("uname");
if (uname == null)
response.sendRedirect("1.jsp");
%>
<form name="form1" action="5.jsp" method="post">
<input type="submit" value="退出登录">
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML>
<html>
<head>
<title>no</title>
</head>
<body>
<h1>登陆失败！！</h1>
<%response.setHeader("refresh", "5;url=1.jsp");%>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML>
<html>
<head>
<title>logout</title>
</head>
<body>
<%
session.invalidate();
response.setHeader("refresh", "5;url=1.jsp");
%>
</body>
</html>
2.
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML>
<html>
<head>
<title></title>
</head>
<body>
<form name="form" action="2.jsp" method="post">
用户名：<input type="text" name="uname"><br>
密码：<input type="password" name="upwd"><br>
<input type="submit" value="登录" >
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML>
<html>
<head>
<title></title>
</head>
<body>
<%
String uname=request.getParameter("uname");
String upwd=request.getParameter("upwd");
if(uname.equals(upwd)){
session.setAttribute("uname", uname);
request.getRequestDispatcher("3.jsp").forward(request,response);
}else{
request.getRequestDispatcher("4.jsp").forward(request,response);
}
%>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML>
<html>
<head>
<title></title>
</head>
<body>
<h1>登陆成功！</h1>
<%
String uname = (String) session.getAttribute("uname");
if (uname == null)
response.sendRedirect("1.jsp");
%>
<form action="6.jsp" method="post">
商品：<br> <br>
衣服<input type="checkbox" name="item" value="yifu">加入购物车 <br>
裤子<input type="checkbox" name="item" value="kuzi">加入购物车 <br>
裙子<input type="checkbox" name="item" value="qunzi">加入购物车<br><br>
<input type="submit" value="加入购物车">
</form>
<form name="form1" action="5.jsp" method="post">
<input type="submit" value="退出登录">
</form>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML>
<html>
<head>
<title>no</title>
</head>
<body>
<h1>登陆失败！！</h1>
<%response.setHeader("refresh", "5;url=1.jsp");%>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML>
<html>
<head>
<title>logout</title>
</head>
<body>
<%
session.invalidate();
response.setHeader("refresh", "5;url=1.jsp");
%>
</body>
</html>
<%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
<!DOCTYPE HTML>
<html>
<head>
<title></title>
</head>
<body>
<%
String itemName[]=request.getParameterValues("item");
if(itemName==null){
out.print("未添加购物车");
}
else{
for(int i=0;i<itemName.length;i++){
out.print("("+(i+1)+")"+itemName[i]+"<br>");
}
}
%>
</body>
</html>
