php如何用curl模拟登录http://www.lazpw.cn/user/login.php

拿去用,不谢

if (! is_writable(__DIR__)) {
    exit('目录不可写,exit');
}
$cookie_file = 'cookies.txt';
$username = 'ty0716';
$password = 'test12345';
$post = array(
    'username' => $username,
    'password' => $password,
    'expire' => '',
    'url' => '',
    'time' => time(),
    'act' => 'do_login'
);
// username=ty0716&password=qaz&expire=&url=&time=1456104638534&act=do_login
$login_url = 'http://www.lazpw.cn/plus/ajax_user.php';
$login = post($login_url, http_build_query($post), $cookie_file);
if ($login == 'err') {
    exit('用户名或密码错误');
}
$login_log_page = get('http://www.lazpw.cn/user/personal/personal_user.php?act=login_log', $cookie_file);

echo iconv("UTF-8", "GB2312//IGNORE", $login_log_page);

unlink($cookie_file);

function post($url, $data, $cookie_file)
{
    // 初始化
    $curl = curl_init($url);
    // 不输出header头信息
    curl_setopt($curl, CURLOPT_HEADER, 0);
    // 保存到字符串而不是输出
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($curl, CURLOPT_COOKIEJAR, $cookie_file);
    curl_setopt($curl, CURLOPT_POST, 1);
    // 请求数据
    curl_setopt($curl, CURLOPT_POSTFIELDS, $data);
    // 是否抓取跳转后的页面
    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
    $req = curl_exec($curl);
    curl_close($curl);
    return $req;
}

function get($url, $cookie_file)
{
    // 初始化
    $curl = curl_init($url);
    // 不输出header头信息
    curl_setopt($curl, CURLOPT_HEADER, 0);
    curl_setopt($curl, CURLOPT_COOKIEFILE, $cookie_file);
    // 保存到字符串而不是输出
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    // 是否抓取跳转后的页面
    curl_setopt($curl, CURLOPT_FOLLOWLOCATION, 1);
    $req = curl_exec($curl);
    curl_close($curl);
    return $req;
}