<html>
<head>
<title>計數器</title>
<head>
<body>
<? PHP
$countfile = "counter.txt";
定義計數器寫入的檔是目前的目錄下的www.jzread.com.txt檔中，然後我們應當測試該檔能否打開
if (($fp = fopen($countfile, "r+")) == false) {
用讀寫模式打開檔，若不能打開就退出
printf ("Open file %s failed!",$countfile);
exit;
}
else
{
如果檔能夠正常打開，就讀入檔中的資料，假設是1
$count = fread ($fp,10);
讀取10位資料
$count = $count + 1;
count ++
fclose ($fp);
關閉當前檔
$fp = fopen($countfile, "w+");
以覆蓋模式打開檔
fwrite ($fp,$count);
寫入加1後的新資料
fputs($fp,$fg);
顯示計數結果
數字顯示
echo "<div align=center><font size=5>計數次數：$count</font><br>";
圖形模式計數
$fp = fopen ($countfile, "r"); 以唯讀模式打開檔
$array_count = 1; 定義一個表示陣列元素位置的變數，下面要用
while (! feof($fp)) {
$current_number = fgetc($fp);
$counter_array[$array_count] = $current_number;
$array_elements = count ($counter_array);
$array_count = $array_count + 1;
}
echo "<div align=center><font size=5>計數次數www.jzread.com：";
for ($array_id = 1;$array_id < $array_elements; ++ $array_id) {
echo "<img src=countimg/".$counter_array[$array_id].". gif>";
}
echo "</font>";
fclose ($fp);
並關閉檔
}
?>
</body>
</html>
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