$ip_sql=mysql_query("select ip from pic_ip where pic_id='$id' and ip='$ip'"); $count=mysql_num_rows($ip_sql); if($count==0){ $sql = "update pic set love=love+1 where id='$id'"; mysql_query( $sql); $sql_in = "insert into pic_ip (pic_id,ip) values ('$id','$ip')"; mysql_query( $sql_in); $result = mysql_query("select love from pic where id='$id'"); $row = mysql_fetch_array($result); $love = $row['love']; echo $love; }else{ echo "喜欢过了.."; }
//获取用户真实IP function get_client_ip() { if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown")) $ip = getenv("HTTP_CLIENT_IP"); else if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown")) $ip = getenv("HTTP_X_FORWARDED_FOR"); else if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown")) $ip = getenv("REMOTE_ADDR"); else if (isset ($_SERVER['REMOTE_ADDR']) && $_SERVER['REMOTE_ADDR'] && strcasecmp($_SERVER['REMOTE_ADDR'], "unknown")) $ip = $_SERVER['REMOTE_ADDR']; else $ip = "unknown"; return ($ip); } ?>