一个简单的图形计数器

?php /***澳门新葡亰网站注册, hit_count表只一个字段hit_count
page_visit_record表是用来控制一个IP一天内只产生一个计数器跳动 CREATE
TABLE page_visit_record ( visit_time datetime DEFAULT ‘0000-00-00
00:00:00′ NOT NULL, remote_addr char(15) NOT NULL, visit_page char(60)
NOT NULL, KEY visit_time (visit_time, visit_page), PRIMARY KEY
(visit_time) ); ***/ include(config.inc.php3); $query=select
count(*) as tong from page_visit_record where
remote_addr=’$REMOTE_ADDR’ and
date_format(visit_time,’%Y-%m-%d’)=curdate();
$result=@mysql_query($query,$dbconnect);
$has_count=@mysql_result($result,0,tong); @mysql_query(lock tables
hit_count write,$dbconnect); $query=select * from hit_count;
$result=@mysql_query($query,$dbconnect);
if(@mysql_num_rows($result)0){
$cur_count=@mysql_result($result,0,hit_count); if($has_count==0){
$cur_count++; $query=update hit_count set hit_count=’$cur_count’;
@mysql_query($query,$dbconnect); } @mysql_query(unlock
tables,$dbconnect); } else{ $cur_count=1; $query=insert into hit_count
(hit_count) values (‘$cur_count’); @mysql_query($query,$dbconnect);
@mysql_query(unlock tables,$dbconnect); } while(strlen($cur_count)8)
$cur_count=0$cur_count; $visit_time=date(Y-m-d H:i:s); $query=insert
into page_visit_record (visit_time,remote_addr,visit_page) values
(‘$visit_time’,’$REMOTE_ADDR’,’$page’);
@mysql_query($query,$dbconnect); Header(Content-type: image/gif); $im =
imagecreate(56,16); $black = ImageColorAllocate($im, 0,0,0); $blue =
ImageColorAllocate($im, 0,0,255); $white = ImageColorAllocate($im,
255,255,255); $yellow = ImageColorAllocate($im, 255,255,0);
imagerectangle($im, 0, 0, 54, 14, $blue); //imagestring($im, 2, 4, 1,
$cur_count, $yellow); imagestring($im, 2, 4, 1, $cur_count, $yellow);
ImageGif($im); ImageDestroy($im); ?