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一个简单的php图片计数器

2011-02-07 21:54:58| 分类：程序 | 标签： |举报 |字号大中小订阅

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<?
Header("Content-type: image/PNG");
function CreateFile($filename,$content)
{
if (is_file ($filename))
{
@unlink ($filename);
}
   $handle = fopen ($filename,"w"); //打开文件指针，创建文件
   /*
　检查文件是否被创建且可写
   */
   if (!is_writable ($filename))
   {
   die ("文件：".$filename."不可写，请检查其属性后重试！");
   }
   if (!fwrite ($handle,$content))
   {  //将信息写入文件
   die ("生成文件".$filename."失败！");
   }
//  echo "<br>写入文件".$filename;
   fclose ($handle); //关闭指?
}
srand((double)microtime()*1000000);
$counterfile = 'blogcounter.txt';
$counter = @file_get_contents($counterfile );
$content = $counter+1;
@CreateFile($counterfile,$content);
$len = strlen($counter);
$im = imagecreate(($len+1)*10+5,15);
$black = ImageColorAllocate($im, 0,255,0);
$white = ImageColorAllocate($im, 255,255,255);
$green = ImageColorAllocate($im, 223,11,216);
//imagefill($im,45,18,$white);
imagefilledrectangle($im,0,0,($len+1)*10+5,20,$white);
//将技术器绘入图片
@ImageTTFText($im, 8,0, 5,12, $green, "counter.ttf",$counter);
//imagestring($im, 4, 4, 1, $HTTP_GET_VARS['authnum'], $green);
for($i=0;$i<200;$i++) //加入干扰象素
{
imagesetpixel($im, rand()%50 , rand()%50 , $black);
}
ImagePNG($im);
ImageDestroy($im);
?>

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<#--最新日志，群博日志--> <#--推荐日志-->

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<#-- 网易新闻广告 --> <#--右边模块结构--> <#--评论模块结构--> <#--引用模块结构--> <#--博主发起的投票-->

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