Notice: Use of undefined constant name - assumed 'name' in C:\wamp\www\bbs2\login.php on line 2
Notice: Use of undefined constant id - assumed 'id' in C:\wamp\www\bbs2\login.php on line 7
Notice: Use of undefined constant pass - assumed 'pass' in C:\wamp\www\bbs2\login.php on line 7
以上是错误提示，怎么解决？求解答。