Cookie的一些操作

有关Cookie的一些操作。

（1）取得cookie的相关信息

Cookie[] cookies = request.getCookies();

String username = "";

String password = "";

if(cookies!=null) {

for(int i=0;i<cookies.length;i++){

Cookie c = cookies[i];

if("admin".equals(c.getName()))username = c.getValue();

else if("admin".equals(c.getName()))password = c.getValue();

}

}

(2)将登陆用户的名和密码保存到Cookie中(在服务器端)

Cookie cookieUsername = new Cookie("username","admin");

Cookie cookiePassword = new Cookie("password","admin");

cookieUsername.setMaxAge(60*60);//设定有效时间

cookieUsername.setPath("/");

cookiePassword.setPath("/");

cookieUsername.setDomain(".XXX.XX.XX")//设定有效域

cookiePassword.setDomain(".XXX.XX.XX")

response.addCookie(cookieUsername);

response.addCookie(cookiePassword);

(3)退出登陆的时候将cookie删除

Cookie[] cookies = request.getCookies();

try{

if(cookies!=null){

for(int i=0;i<cookies.length;i++){

String cookieName = cookies[i].getName();

if("username".equals(cookieName)||"password".equals(cookiename)){

cookies[i].setValue(null);

cookies[i].setPath("/");

cookies[i].setMagAge(0);

response.addCookie(cookies[i])

}

}

}

}catch(Exception e){

LogUtil.error(this.getClass(),e.getMessage(),e)

}