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PHP 模擬登陸功能實(shí)例詳解

 更新時(shí)間：2019年09月10日 09:24:50   作者：koastal  
這篇文章主要介紹了PHP 模擬登陸功能,結(jié)合實(shí)例形式詳細(xì)分析了php基于curl的模擬表單登陸及session信息存儲(chǔ)相關(guān)操作技巧,需要的朋友可以參考下

本文實(shí)例講述了PHP 模擬登陸功能。分享給大家供大家參考，具體如下：

說(shuō)明：該模擬登陸實(shí)例僅適用于沒(méi)有驗(yàn)證碼的模擬登陸實(shí)例

該程序基本功能是，模擬登陸高校圖書(shū)館網(wǎng)站，并獲取讀者信息和借書(shū)信息。

程序截圖：

目錄結(jié)構(gòu)：

login.php

<form method="post" class="am-form" action="judge.php">
   <label for="sid">學(xué)號(hào):</label>
   <input type="text" name="number" id="sid" value="">
   <br>
   <label for="password">密碼:</label>
   <input type="password" name="passwd" id="password" value="">
   <br>
   <div class="am-cf">
    <input type="submit" name="" value="登 錄" class="am-btn am-btn-primary am-btn-sm am-fl">
    <input type="submit" name="" value="忘記密碼 ^_^? " class="am-btn am-btn-default am-btn-sm am-fr">
   </div>
  </form>

judge.php

session_start();
require_once 'curl.php';
$url = "http://opac.lib.ustc.edu.cn/reader/redr_info.php";
$number = $_POST['number'];
$passwd = $_POST['passwd'];
$res = run_curl($url,$number,$passwd);
$pattern = '/<TD><span class=\"bluetext\">姓名：<\/span>(.*)<\/TD>/';
preg_match($pattern, $res,$arr1);
if(is_array($arr1)){
 $_SESSION['number'] = $number;
 $_SESSION['passwd'] = $passwd;
 $_SESSION['name'] = $arr1[1];
 echo "<script>window.location.href='index.php';</script>";
}else{
 echo "<script>history.go(-1);</script>";
}

curl.php

<?php
function run_curl($content_url,$number='',$passwd=''){
  $cookie_file = tempnam('./temp','cookie');
  $url = "http://opac.lib.ustc.edu.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 "<script>window.location.href='login.php';</script>";
    exit();
  }
  require_once 'curl.php';
  header('Content-type:text/html;charset=utf-8');
  $url = "http://opac.lib.ustc.edu.cn/reader/book_lst.php";
  $res = run_curl($url,$number,$passwd); //通過(guò)curl抓取數(shù)據(jù)
  $pattern = '/<td class="whitetext" width="35%"><a class="blue" href="(.*)" rel="external nofollow" >(.*)<\/a>/';//正則匹配獲得圖書(shū)信息
  preg_match_all($pattern, $res,$book_arr);
  $booklist = array();
  $booklist = $book_arr[2];  //借閱圖書(shū)列表
  //var_dump($booklist);
  $pattern = '/<font color=(red|)>(.*)<\/font>/';//正則匹配獲得還書(shū)信息
  preg_match_all($pattern, $res,$date_arr);
  $datelist = array();
  $datelist = $date_arr[2];  //應(yīng)歸還日期列表
  $taglist = array();
  $taglist = $date_arr[1];  //標(biāo)記是否超期
  //var_dump($date_arr);
?>

logout.php

<?php
session_start();
$_SESSION = array();
session_destroy();
?>
<script>window.location.href='login.php'</script>

更多關(guān)于PHP相關(guān)內(nèi)容感興趣的讀者可查看本站專題：《php curl用法總結(jié)》、《PHP網(wǎng)絡(luò)編程技巧總結(jié)》、《PHP數(shù)組(Array)操作技巧大全》、《php字符串(string)用法總結(jié)》、《PHP數(shù)據(jù)結(jié)構(gòu)與算法教程》及《PHP中json格式數(shù)據(jù)操作技巧匯總》

希望本文所述對(duì)大家PHP程序設(shè)計(jì)有所幫助。

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