你是在win上开始吧。
<?php$counterFile = "c:\counter.txt";function displayCounter($counterFile) {
$fp = fopen($counterFile,"rw");
$num = fgets($fp,5);
$num += 1;
print "您是第 "."$num"." 位无聊份子";
exec( "del $counterFile");
exec( "echo $num > $counterFile");
}if (!file_exists($counterFile)) {
exec( "echo 0 > $counterFile");
}displayCounter($counterFile);?>
<?php$counterFile = "c:\counter.txt";function displayCounter($counterFile) {
$fp = fopen($counterFile,"rw");
$num = fgets($fp,5);
$num += 1;
print "您是第 "."$num"." 位无聊份子";
exec( "del $counterFile");
exec( "echo $num > $counterFile");
}if (!file_exists($counterFile)) {
exec( "echo 0 > $counterFile");
}displayCounter($counterFile);?>
没有就建一个!给分
好象有个dir什么的,都可以用,报的错误就是文件没找到或者没权限