<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--> class auth{ public function auth() { session_start(); //启动session $str="abcdefghijkmnpqrstuvwxyz23456789"; /*生成一个4位随机数 */ for($i=0;$i
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<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--><tr> <td style="color: white;">验证码:</td>