code348.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="" method="get" name="form1">
<input type="submit" name="submit" value="设置cookie">
<input type="submit" name="submit" value="读取cookie">
<input type="submit" name="submit" value="删除cookie">
</form>
<%
String action = request.getParameter("submit");
if(action == null)
{
action = "";
}
if(action.equals("设置cookie"))
{
Cookie cookie1 = new Cookie("name1","123456");
cookie1.setPath("/");
cookie1.setMaxAge(60 * 2);
response.addCookie(cookie1);
}
if(action.equals("读取cookie"))
{
Cookie[] cookies = request.getCookies();
for(Cookie c : cookies)
{
out.println(c.getName() + "-" + c.getValue());
out.println("<br>");
}
}
if(action.equals("删除cookie"))
{
Cookie cookie1 = new Cookie("name1",null);
cookie1.setPath("/"); //如果设定了路径，请删除时保持路径一致
cookie1.setMaxAge(0);
response.addCookie(cookie1);
}
%>
</body>
</html>
