php的curl真的是相當好用，網上一搜索相關文章都是關于curl模擬登陸的，很少人提供模擬discuz發貼的源碼

<?php $discuz_url = 'http://www.lai18.com/';//論壇地址 $login_url = $discuz_url .'login.php?action=login';//登錄頁地址  $post_fields = array(); //以下兩項不需要修改 $post_fields['loginfield'] = 'username'; $post_fields['loginsubmit'] = 'true'; //用戶名和密碼，必須填寫 $post_fields['username'] = 'tianxin'; $post_fields['password'] = '111111'; //安全提問 $post_fields['questionid'] = 0; $post_fields['answer'] = ''; //@todo驗證碼 $post_fields['seccodeverify'] = ''; //獲取表單FORMHASH $ch = curl_init($login_url); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); $contents = curl_exec($ch); curl_close($ch); preg_match('/<inputs*type="hidden"s*name="formhash"s*html' target='_blank'>value="(.*?)"s*/>/i', $contents, $matches); if(!empty($matches)) { $formhash = $matches[1]; } else { die('Not found the forumhash.'); }  //POST數據，獲取COOKIE,cookie文件放在網站的temp目錄下 $cookie_file = tempnam('./temp','cookie'); $ch = curl_init($login_url); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, $post_fields); curl_setopt($ch, CURLOPT_COOKIEJAR, $cookie_file); curl_exec($ch); curl_close($ch); //取到了關鍵的cookie文件就可以帶著cookie文件去模擬發帖,fid為論壇的欄目ID $send_url = $discuz_url."post.php?action=newthread&fid=2";  $ch = curl_init($send_url); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file); $contents = curl_exec($ch); curl_close($ch); //這里的hash碼和登陸窗口的hash碼的正則不太一樣，這里的hidden多了一個id屬性 preg_match('/<inputs*type="hidden"s*name="formhash"s*id="formhash"s*value="(.*?)"s*/>/i', $contents, $matches); if(!empty($matches)) { $formhash = $matches[1]; } else { die('Not found the forumhash.'); }  $post_data = array(); //帖子標題 $post_data['subject'] = 'test2'; //帖子內容 $post_data['message'] = 'test2'; $post_data['topicsubmit'] = "yes"; $post_data['extra'] = ''; //帖子標簽 $post_data['tags'] = 'test'; //帖子的hash碼，這個非常關鍵！假如缺少這個hash碼，discuz會警告你來路的頁面不正確 $post_data['formhash']=$formhash;  $ch = curl_init($send_url); curl_setopt($ch, CURLOPT_REFERER, $send_url); //偽裝REFERER curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 0); curl_setopt($ch, CURLOPT_COOKIEFILE, $cookie_file); curl_setopt($ch, CURLOPT_POST, 1); curl_setopt($ch, CURLOPT_POSTFIELDS, $post_data); $contents = curl_exec($ch); curl_close($ch); //清理cookie文件 unlink($cookie_file); ?>

http://blog.csdn.net/hello_katty/article/details/45557423

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