一個簡單的圖形計數器,需要MYSQL,GD的支援,LINUX下PHP4RC1通過

來源:互聯網
上載者:User
mysql|計數器|圖形 <?php
/***
hit_count表只一個欄位hit_count
page_visit_record表是用來控制一個IP一天內只產生一個計數器跳動
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);

?>

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