本文實例講述了PHP 模擬登陸功能。分享給大家供大家參考，具體如下：
說明：該模擬登陸實例僅適用于沒有驗證碼的模擬登陸實例
該程序基本功能是，模擬登陸高校圖書館網(wǎng)站，并獲取讀者信息和借書信息。
程序截圖：
目錄結構：
login.php
form method="post" class="am-form" action="judge.php">
label for="sid">學號:/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);
$post_fileds = "number=$numberpasswd=$passwdselect=bar_no";
curl_setopt($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)
$pattern = '/td class="whitetext" width="35%">a class="blue" href="(.*)" rel="external nofollow" >(.*)\/a>/';//正則匹配獲得圖書信息
preg_match_all($pattern, $res,$book_arr);
$booklist = array();
$booklist = $book_arr[2]; //借閱圖書列表
//var_dump($booklist);
$pattern = '/font color=(red|)>(.*)\/font>/';//正則匹配獲得還書信息
preg_match_all($pattern, $res,$date_arr);
$datelist = array();
$datelist = $date_arr[2]; //應歸還日期列表
$taglist = array();
$taglist = $date_arr[1]; //標記是否超期
//var_dump($date_arr);
?>
logout.php
?php
session_start();
$_SESSION = array();
session_destroy();
?>
script>window.location.href='login.php'/script>
更多關于PHP相關內容感興趣的讀者可查看本站專題：《php curl用法總結》、《PHP網(wǎng)絡編程技巧總結》、《PHP數(shù)組(Array)操作技巧大全》、《php字符串(string)用法總結》、《PHP數(shù)據(jù)結構與算法教程》及《PHP中json格式數(shù)據(jù)操作技巧匯總》
希望本文所述對大家PHP程序設計有所幫助。
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