读取文件:
< ?php
$file_name = "data.txt";
$file_pointer = fopen($file_name, "r");
$file_read = fread($file_pointer, filesize($file_name));
fclose($file_pointer);
print_r("读取到的文件内容:" . $file_read);
?>
写文件:
< ?php
$file_name = "data.txt";
$file_pointer = fopen($file_name, "w");
fwrite($file_pointer, "要写入的内容");
print_r("数据成功写入文件.");
?>
我的程序:
读到textarea里,修改提交,再在textarea里显示出来。全在一个文件board.php实现。
< ?php
$board = trim($_POST["board"]);
$file_name = "board.php";
if ($board != null) {
$file_pointer = fopen($file_name,"w");
fwrite($file_pointer, $board);
print_r("数据成功写入文件.");
}
$file_pointer = fopen($file_name, "r");
$file_read = fread($file_pointer, filesize($file_name));
fclose($file_pointer);
?>
< table>
< tr bgcolor="#CDDADC" height="30px;">
< td align="right">
< form method="post" action="board.php">
< textarea name = "board" cols="80" rows="15">
< input type="submit" value="提交" />
< /form>
< /td>
< /tr>
< /table>