flock() 例子<?php$fp = fopen("/tmp/lock.txt", "w+");if (flock($fp, LOCK_EX)) { // 进行排它型锁定
fwrite($fp, "Write something here\n");
flock($fp, LOCK_UN); // 释放锁定
} else {
echo "Couldn't lock the file !";
}fclose($fp);?>
fwrite($fp, "Write something here\n");
flock($fp, LOCK_UN); // 释放锁定
} else {
echo "Couldn't lock the file !";
}fclose($fp);?>
建立临时文件的做法效率好吗?再次表示感谢