php 在线问卷调查程序
这里是后台和数据库代码:
CREATE TABLE IF NOT EXISTS `su_mon_vote` ( `id` int(11) NOT NULL auto_increment, `v1` varchar(100) default NULL, `v2` varchar(200) NOT NULL, `v3` varchar(200) NOT NULL, `v4` varchar(200) NOT NULL, `v5` varchar(200) NOT NULL, `v6` varchar(200) NOT NULL, `name` varchar(50) NOT NULL, `tel` varchar(50) NOT NULL, `email` varchar(50) NOT NULL, `address` varchar(200) NOT NULL, `vip` varchar(20) NOT NULL, `vdate` datetime NOT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=gb2312 AUTO_INCREMENT=6 ;上面的结构是随便写的没注意数据库其它方面报.好下面我们来看看php程序是怎么判断调查的吧. if(empty($_COOKIE["cook"])){ mysql_connect('localhost','root','mailangel') or die('database server no exists!'); mysql_select_db('vot') or die('database error!'); mysql_query("SET NAMES 'gbk'");//set document charset encode $name =get_value("name",'post'); $tel =get_value("tel",'post'); $email =get_value("email",'post'); $add =get_value("address",'post'); $vip =get_real_ip(); $date =date("Y-m-d h:i:s"); $value =$_SERVER['HTTP_HOST']; $array =array(); for($i=1;$i<=6;$i++){ $v ='v'.$i; $v =get_value("$v",'post'); $array[$i-1]=$v; if(empty($v)){ alert('对不起,你还有选项未选!',''); } } if( strlen($name)>100 || strlen($name)<3 ) { alert('用户名长度3-20',''); }elseif( strlen($tel)>15 || strlen($tel)<7){ alert('请输入正确的电话号码!',''); }elseif( strlen($email)>50 || strlen($email)<10 ) { alert('对不起,你的邮箱地址不正确!',''); }elseif( strlen($add)>100 || strlen($add)<10 ){ alert('地址长度10-100字符!',''); } $sql ="Insert into su_mon_vote(v1,v2,v3,v4,v5,v6,name,email,address,vip,vdate,tel) value( "; $sql =$sql."'".$array[0]."','".$array[1]."','".$array[2]."','".$array[3]."','".$array[4]."','".$array[5]."','$name',"; $sql =$sql."'$email','$add','$vip','$date','$tel')"; //mysql_query($sql) or die($sql.mysql_error()); if( mysql_query($sql)){ setcookie("cook", $value, time()+7200, "/"); alert('答题成功,谢谢你的参与!','index.html'); }else{ alert('系统忙...请稍后再试',''); } }else{ print "答题失败,一人只能参加一次答题!,点击返回"; } function get_value($para,$para2){//获取参数的值 if( 'post'==$para2 ){ return addslashes(isset($_POST[$para])?$_POST[$para]:''); }else{ return addslashes(isset($_GET[$para])?$_GET[$para]:''); } } function alert($str,$para){//提示设置函数, if( ''== $para){ exit(""); }else{ exit(""); } } function get_real_ip(){ $ip=false; if(!empty($_SERVER["HTTP_CLIENT_IP"])){ $ip = $_SERVER["HTTP_CLIENT_IP"]; } if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) { $ips = explode (", ", $_SERVER['HTTP_X_FORWARDED_FOR']); if ($ip) { array_unshift($ips, $ip); $ip = FALSE; } for ($i = 0; $i < count($ips); $i++) { if (!eregi ("^(10|172.16|192.168).", $ips[$i])) { $ip = $ips[$i]; break; } } } return ($ip ? $ip : $_SERVER['REMOTE_ADDR']); } ?>