这是设置session的代码
<%
//为first_name和last_name设置cookie
Cookie firstName = new Cookie("frist_name",request.getParameter("frist_name"));
Cookie lastName = new Cookie("last_name",request.getParameter("last_name"));
//设置cookie过期时间为1分钟
firstName.setMaxAge(60*60*24);
lastName.setMaxAge(60*60*24);
//在响应头部添加cookie
response.addCookie(firstName);
response.addCookie(lastName);
%>
#这是删除Cookie的代码
<%
Cookie cookie = null;
Cookie[] cookies = null;
//获取当前Cookies
cookies = request.getCookies();
for(int i = 0;i < cookies.length;i++){
cookie = cookies[i];
if((cookie.getName()).compareTo("frist_name") == 0){
cookie.setMaxAge(0);
cookie.setPath("/");
response.addCookie(cookie);
out.print("已删除" + cookie.getName());
}else{
%>
<h1>No found Cookie</h1>
<%
}
}
%>
他们不在同一个jsp文件里