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php中setcookie() 函数用法介绍

Jun 13, 2016 am 10:15 AM
php setcookie introduce function yes usage set up

setcookie() 函数是php中一个用来设置cookie值的一个函数,下面我来总结一下setcookie() 函数的具体用法以及设置之后怎么获取cookie的值。

setcookie() 函数向客户端发送一个 HTTP cookie。

cookie 是由服务器发送到浏览器的变量。cookie 通常是服务器嵌入到用户计算机中的小文本文件。每当计算机通过浏览器请求一个页面,就会发送这个 cookie。

cookie 的名称指定为相同名称的变量。例如,如果被发送的 cookie 名为 "name",会自动创建名为 $user 的变量,包含 cookie 的值。

必须在任何其他输出发送前对 cookie 进行赋值。

如果成功,则该函数返回 true,否则返回 false。

语法
setcookie(name,value,expire,path,domain,secure)

 代码如下 复制代码

makecookie('111','www.bKjia.c0m');
//清除cookie
clearcookies();

//下面兴一个支持二级域名cookie函数吧。

function setcookielive($name, $value='', $expire=0, $path='', $domain='', $secure=false, $httponly=false) {
    //set a cookie as usual, but also add it to $_cookie so the current page load has access
    $_cookie[$name] = $value;
    return setcookie($name,$value,$expire,$path,$domain,$secure,$httponly);
}
//调用方法

setcookielive('webab','111cn',time()+86000,'/','bKjia.c0m');

//一入门级cookie设置方法

setcookie("cookie[three]", "cookiethree");
setcookie("cookie[two]", "cookietwo");
setcookie("cookie[one]", "cookieone");

// after the page reloads, print them out
if (isset($_cookie['cookie'])) {
    foreach ($_cookie['cookie'] as $name => $value) {
        echo "$name : $value
n";
    }
}

js获取 cookie方法

 代码如下 复制代码




Insert title here




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