PHP模拟登陆功能分享

PHP模拟登陆功能如何实现？下面这篇文章主要介绍了PHP 模拟登陆功能,结合实例形式详细分析了php基于curl的模拟表单登陆及session信息存储相关操作技巧，需要的朋友就来一聚教程网参考一下吧！

本文实例讲述了PHP 模拟登陆功能。分享给大家供大家参考，具体如下：

说明：该模拟登陆实例仅适用于没有验证码的模拟登陆实例

该程序基本功能是，模拟登陆高校图书馆网站，并获取读者信息和借书信息。

程序截图：

目录结构：

login.php

学号:
密码:

judge.php

session_start();
require_once 'curl.php';
$url = "http://opac.li*b.ustc.*ed*u.cn/reader/redr_info.php";
$number = $_POST['number'];
$passwd = $_POST['passwd'];
$res = run_curl($url,$number,$passwd);
$pattern = '/
姓名：(.*)/';
preg_match($pattern, $res,$arr1);
if(is_array($arr1)){
 $_SESSION['number'] = $number;
 $_SESSION['passwd'] = $passwd;
 $_SESSION['name'] = $arr1[1];
 echo "";
}else{
 echo "";
}

curl.php

<?php function run_curl($content_url,$number='',$passwd=''){
  $cookie_file = tempnam('./temp','cookie');
  $url = "http://opac.lib.*u*stc.e*du.cn/reader/redr_verify.php";
  $ch = curl_init($url);
  curl_setopt($ch, CURLOPT_HEADER, 0);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt($ch,CURLOPT_FOLLOWLOCATION,1);
  $post_fileds = "number=$number&passwd=$passwd&select=bar_no";
  curl_setopt($ch,CURLOPT_POST,1);
  curl_setopt($ch,CURLOPT_POSTFIELDS,$post_fileds);
  curl_setopt($ch,CURLOPT_COOKIEFILE,$cookie_file);
  curl_setopt($ch,CURLOPT_COOKIEJAR,$cookie_file);
  $content = curl_exec($ch);
  curl_close($ch);
  $ch = curl_init($content_url);
  curl_setopt($ch, CURLOPT_HEADER, 0);
  curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
  curl_setopt($ch,CURLOPT_FOLLOWLOCATION,1);
  curl_setopt($ch,CURLOPT_COOKIEFILE,$cookie_file);
  curl_setopt($ch,CURLOPT_COOKIEJAR,$cookie_file);
  $res = curl_exec($ch);
  curl_close($ch);
  return $res;
}

index.php

<?php session_start();
  $number = $_SESSION['number'];
  $passwd = $_SESSION['passwd'];
  $username = $_SESSION['name'];
  if($number==''||$passwd==''||$username==''){
    echo "