效果代码：

<?php
                $post = array(
                   'username' => '帐号',
                   'password' => '密码',
                   'bind' => '',
                );
                $url = "http://127.0.0.1/login.html"; //登录地址 
                $cookie = dirname(__FILE__) . '/cookie_oschina.txt'; //设置cookie保存路径 
                $url2 = "http://127.0.0.1/index.html"; //登录后要获取信息的地址 
                login_post($url, $cookie, $post); //模拟登录 
                $content = get_content($url2, $cookie); //获取$url2的信息
                @ unlink($cookie); //删除cookie文件 
                $preg = '/<list class="list-group-item"> 平台金额： (.*)&nbsp;&nbsp;/i'; //匹配页面信息 
                preg_match_all($preg, $content, $arr);
				$pregs = '/<list class="list-group-item"> 网站帐号： (.*)/i'; //匹配页面信息 
                preg_match_all($pregs, $content, $arrs);
                echo "开源中国昵称：". $arr[1][0];//输出内容 
                echo "网站帐号：". $arrs[1][0];//输出内容 
function login_post($url, $cookie, $post) {
	$ip = "175.42.123.178";
    $dk = 9999;
    $curl = curl_init(); //初始化curl模块 
    curl_setopt($curl, CURLOPT_URL, $url); //登录提交的地址 
    curl_setopt($curl, CURLOPT_HEADER, 0); //是否显示头信息 
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1); //是否自动显示返回的信息   0 有跳转  1直接到登录后页面
    curl_setopt($curl, CURLOPT_COOKIEJAR, $cookie); //设置Cookie信息保存在指定的文件中 
    curl_setopt($curl, CURLOPT_POST, 1); //post方式提交 
	curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, false);
	curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, FALSE);
	curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, FALSE);
    curl_setopt($curl, CURLOPT_PROXYAUTH, CURLAUTH_BASIC);             //代理认证模式
	curl_setopt($curl, CURLOPT_PROXY, $ip);                            //代理服务器地址
    curl_setopt($curl, CURLOPT_PROXYPORT, $dk);                        //代理服务器端口
    curl_setopt($curl, CURLOPT_POSTFIELDS, http_build_query($post)); //要提交的信息 
    curl_exec($curl); //执行cURL 
    curl_close($curl); //关闭cURL资源，并且释放系统资源 
}
function get_content($url, $cookie) {
	$ip = "175.42.123.178";
    $dk = 9999;
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $url);
    curl_setopt($ch, CURLOPT_HEADER, 0);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie); //读取cookie 
	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
	curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
	curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
	curl_setopt($ch, CURLOPT_PROXYAUTH, CURLAUTH_BASIC);             //代理认证模式
	curl_setopt($ch, CURLOPT_PROXY, $ip);                            //代理服务器地址
    curl_setopt($ch, CURLOPT_PROXYPORT, $dk);                        //代理服务器端口
    $rs = curl_exec($ch); //执行cURL抓取页面内容 
    curl_close($ch);
    return $rs;
}
?>