php限制用户60秒后发布评论实例代码
<?php // php教程限制用户60秒后发布评论实例代码 /* create table `test`.`abc` ( `id` int( 4 ) not null auto_increment , `times` int( 4 ) not null default '0', `ip` varchar( 200 ) null default null , primary key ( `id` ) ) engine = myisam */ if( $_post ) { $conn = mysql教程_connect('localhost','root','root') or die('mysql server 2001'); mysql_select_db('test',$conn); $date = time(); $ip = $_server['remote_addr'];//获取ip地址,这是测试所以没作判断了 $wait = "select times,ip from abc where ip='$ip' and ($date-times<60) order by id desc limit 1"; $rows = mysql_query($wait ) or die( mysql_error()); if( mysql_num_rows( $rows ) ) { die('坐下来休息一下吧,您的动作太快了,请60秒后再发布你的信息!'); } else { $sql = "insert into abc(times,ip) values('$date','$ip')"; $insert = mysql_db_query('test',$sql,$conn); if( $insert ) { echo '评论成功'; } else { echo '评论失败'; } } } <form name="form1" method="post" action=""> <label for="textfield"></label> <input type="text" name="www111cnnet" id="textfield"> <input type="submit" name="button" id="button" value="发表评论"> </form>
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