查询系统
前几天做了个大学英语四六级成绩查询系统，一个 phprpc 版本，一个 wap 版本。它们的核心代码都是相同的。下面就是从 etang.cet 获取大学英语四六级成绩的核心代码：
下载: cetquery.php
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function query($examid, $examtype) {
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$examid = trim($examid);
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$examtype = trim($examtype);
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if (!is_numeric($examid)) {
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return '准考证号码必须是数字';
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}
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if (strlen($examid) != 15) {
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return '准考证号码不正确';
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}
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if ($examtype == '1') {
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if ((substr($examid, 6, 4) != '0521') &&
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(substr($examid, 6, 4) != '1052')) {
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return '准考证号码与考试类型不符';
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}
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}
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if ($examtype == '2') {
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if ((substr($examid, 6, 4) != '0512') &&
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(substr($examid, 6, 4) != '0522') &&
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(substr($examid, 6, 4) != '2052')) {
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return '准考证号码与考试类型不符';
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}
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}
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$examid1 = substr($examid, 0, 6) . $examtype . '052' . substr($examid, 10, 5);
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$request = "examtype=$examtype&examid=$examid&image.x=23&image.y=32";
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$content_len = strlen($request);
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$handle = @fsockopen('cet.etang.com', 80, $errno, $errstr, 10);
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$buf = '';
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$id = base_convert(mt_rand().mt_rand(), 10, 36);
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if ($handle) {
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$http_request =
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"POST /dog/cet HTTP/1.0\r\n" .
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"Accept: */*\r\n" .
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"Referer: http://cet.etang.com/cet_girldemand_$id.htm\r\n" .
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"User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; Alexa Toolbar)\r\n" .
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"Host: cet.etang.com\r\n" .
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"Content-Type: application/x-www-form-urlencoded\r\n" .
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"Content-Length: $content_len\r\n" .
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"Cache-Control: no-cache\r\n" .
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"Cookie: zi=A; examid1=$examid; examtype1=$examtype; sex=girl; examid=$examid1; examtype=$examtype\r\n" .
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"\r\n" .
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$request;
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fputs($handle, $http_request, strlen($http_request));
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while (!feof($handle)) {
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$buf .= fgets($handle, 128);
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}
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fclose($handle);
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}
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else {
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return "查询服务器暂时无法连接";
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}
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$buf = explode("\r\n", $buf);
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$buf = $buf[11];
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$score = "";
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if (substr($buf, 0, 18) == 'Set-Cookie: score=') {
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$score = substr($buf, 18, strpos($buf, ';') - 18);
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}
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if (($score != '') and ($score != 'error')) {
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$score = explode(',', $score);
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}
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else {
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return '你所查询的准考证号码不存在';
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}
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return $score;
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}
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