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);