通过php请求实现的登陆

<?php
/**
 * Created by PhpStorm.
 * User: 意灵魔法馆
 * Date: 2016/5/24 0024
 * Time: 下午 17:07
 */
//开始之前做几点说明，首先你得知道用户名和密码因为是模拟浏览器行为实现登陆,浏览器在请求也需要用户数据才能跳转到其他页面
//初始curl资源
$curl = curl_init();
//配置
curl_setopt($curl, CURLOPT_URL, \'www.tang.com/blog/admin/user.php?a=check\');

curl_setopt($curl, CURLOPT_USERAGENT, \'TANG\');
curl_setopt($curl, CURLOPT_REFERER, \'blog/admin/user.php\');
$data = array(
    \'username\' => \'tangshuai\',
    \'password\' => \'tangshuai\',
    \'captcha\' => \'\'

);

$data_str = http_build_query($data);
$header[] = \'Accept:text/html\';
$header[] = \'Accept-Language:zh-CN\';
$header[] = \'Connection:close\';

//设置cookie存储的地址
$cookie_address = \'E:/tangdengshuai/Apache24/htdocs/myweb3/cookie\';

curl_setopt($curl, CURLOPT_COOKIEJAR, $cookie_address);


curl_setopt($curl, CURLOPT_POST, true);
curl_setopt($curl, CURLOPT_POSTFIELDS, $data_str);
curl_setopt($curl, CURLOPT_HEADER, $header);
curl_setopt($curl, CURLOPT_HEADER, false);
curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);


//发出请求
$response = curl_exec($curl);
echo iconv(\'utf-8\', \'gbk\', $response);

//关闭资源
curl_close($curl);


//初始化curl资源
$curl=curl_init();
//
//请求时携带cookie
$cookie_address=\'E:/tangdengshuai/Apache24/htdocs/myweb3/cookie\';
curl_setopt($curl,CURLOPT_COOKIEFILE,$cookie_address);
//配置get请求所需的数据
curl_setopt($curl,CURLOPT_URL,\'www.tang.com/blog/admin/index.php\');
//配置请求代理端的数据
curl_setopt($curl,CURLOPT_USERAGENT,\'TANG\');
//配置请求来源
curl_setopt($curl,CURLOPT_REFERER,\'www.tang.com/blog\');

//额外的请求头信息
$header[]=\'Accept:text/html\';
$header[]=\'Accept-Language:zh-CN\';
$header[]=\'Connection:close\';

curl_setopt($curl,CURLOPT_HEADER,$header);

//将头部当输出内容
curl_setopt($curl,CURLOPT_HEADER,true);
//不直接输出内容
curl_setopt($curl,CURLOPT_RETURNTRANSFER,true);



//发送请求

$response=curl_exec($curl);

echo iconv(\'utf-8\',\'gbk\',$response);

//关闭curl资源

curl_close($curl);