由于需要项目需要管理微博平台内容，集成登录微博管理平台功能，所以在抓取网页基础上探索了一下浏览器模拟登录，已经实现登录功能，采用JQuery和php结合的方式实现的，其中需要注意跨域访问问题，代码如下：

'login.sina.com.cn','User-Agent' => 'Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Firefox/45.0','Accept' => '*/*','Accept-Language' => 'zh-CN,zh;q=0.8,en-US;q=0.5,en;q=0.3','Accept-Encoding' => 'gzip, deflate','Referer' => 'http://login.sina.com.cn/','Connection' => 'keep-alive' );//base64加密后用户名private $su = '';//js加密后的密码private $sp = '';function __construct() {}//预登陆function pre_login() {// 用户名称base64加密-用于预登陆$this->su = base64_encode ( urlencode ( $this->username ) );// 预登陆url$pre_login_url = 'http://login.sina.com.cn/sso/prelogin.php?entry=account&callback=sinaSSOController.preloginCallBack&su=';$pre_login_url = $pre_login_url . $this->su . '&rsakt=mod&client=ssologin.js(v1.4.15)&_=' . time ();$return_val = $this->request_url ( $pre_login_url, null, $this->request_cookie, $this->request_headers);list ( $header, $body ) = explode ( "\r\n\r\n", $return_val, 2 );preg_match_all ( "/Set\-Cookie:([^;]*);/", $header, $matches );$info ['cookie'] = $matches;$info ['header'] = $header;$info ['content'] = $body;$this->request_cookie .= $matches;$body = str_replace('sinaSSOController.preloginCallBack(', '', $body);$json = str_replace(')', '', $body);$this->json_obj = json_decode($json);//ajax后变量重置，所以存到cookieparam::set_cookie('sina_su', $this->su);param::set_cookie('sina_cookie', $this->request_cookie);param::set_cookie('sina_servertime', $this->json_obj->servertime);param::set_cookie('sina_nonce', $this->json_obj->nonce);param::set_cookie('sina_rsakv', $this->json_obj->rsakv);//加密明文密码$this->ajax_pwd_encode();}//根据预登陆返回信息，登录function account_login() {//登录url$login_url = 'http://login.sina.com.cn/sso/login.php?client=ssologin.js(v1.4.15)&_='.time();$this->request_headers['Content-Type'] = 'application/x-www-form-urlencoded';//登录所需数据$post_data['entry'] = 'account';$post_data['gateway'] = '1';$post_data['from'] = '';$post_data['savestate'] = '0';$post_data['useticket'] = '0';$post_data['pagerefer'] = '';$post_data['vsnf'] = '1';$post_data['su'] = param::get_cookie('sina_su');$post_data['service'] = 'sso';$post_data['servertime'] = param::get_cookie('sina_servertime');$post_data['nonce'] = param::get_cookie('sina_nonce');$post_data['pwencode'] = 'rsa2';$post_data['rsakv'] = param::get_cookie('sina_rsakv');$post_data['sp'] = $this->sp;$post_data['sr'] = '1366*768';$post_data['encoding'] = 'UTF-8';$post_data['cdult'] = '3';$post_data['domain'] = 'sina.com.cn';$post_data['prelt'] = '51';$post_data['returntype'] = 'TEXT';//登录$data = $this->request_url($login_url, $post_data, $this->request_cookie, $this->request_headers);//获取返回cookie 及 json数据list ( $header, $body ) = explode ( "\r\n\r\n", $data, 2 );//保存cookie$this->save_cookie($header);$json_login = json_decode($body);//访问返回json链接$domain_urls = $json_login->crossDomainUrlList;$i = 0;foreach ($domain_urls as $v) {$req_url = $v.'&callback=sinaSSOController.doCrossDomainCallBack&scriptId=ssoscript'.$i.'&client=ssologin.js(v1.4.15)&_='.time();$req_data = $this->request_url ( $req_url, null, $this->request_cookie, array());list ( $header, $body ) = explode ( "\r\n\r\n", $data, 2 );$this->save_cookie($header);$i ++;}}function save_cookie($header) {$headers = explode('\r\n', $header);foreach ($headers as $v) {$tmp = explode("\r\n", $v);foreach ($tmp as $it) {$pos = strpos($it, 'Set-Cookie');if ($pos !== false) {$cv = explode(":", $it);$this->request_cookie .= $cv[1].';';$_COOKIE[$cv[0]] = $cv[1];setcookie($cv[0], $cv[1], time()+60*60*24*30);param::set_cookie($cv[0], $cv[1]);}}}}//根据预登陆返回信息，登录function browser_login() {//登录url$login_url = 'http://login.sina.com.cn/sso/login.php?client=ssologin.js(v1.4.15)&_='.time();//登录所需数据$post_data['entry'] = 'account';$post_data['gateway'] = '1';$post_data['from'] = '';$post_data['savestate'] = '0';$post_data['useticket'] = '0';$post_data['pagerefer'] = '';$post_data['vsnf'] = '1';$post_data['su'] = param::get_cookie('sina_su');$post_data['service'] = 'sso';$post_data['servertime'] = param::get_cookie('sina_servertime');$post_data['nonce'] = param::get_cookie('sina_nonce');$post_data['pwencode'] = 'rsa2';$post_data['rsakv'] = param::get_cookie('sina_rsakv');$post_data['sp'] = $this->sp;$post_data['sr'] = '1366*768';$post_data['encoding'] = 'UTF-8';$post_data['cdult'] = '3';$post_data['domain'] = 'sina.com.cn';$post_data['prelt'] = '51';$post_data['returntype'] = 'TEXT';echo "";echo "";echo "";echo "";echo "";echo "";}function sina_login() {//获取加密后的密码$this->sp = $_GET['sp'];//账号登录$this->browser_login();}//调用js 加密密码function ajax_pwd_encode() {echo "";echo <

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