[PerlChina] 请教一个散列表的使用
潘建锋
panjianfeng1979 at gmail.com
Fri Aug 4 02:07:26 PDT 2006
my %levelMap = (
'PS_INDETERMINATE' => 9,
'PS_CRITICAL' => 1,
'PS_MAJOR' => 2,
'PS_MINOR' => 3,
'PS_WARNING' => 4
);
$1 = 'PS_MINOR';
但是下面的语句老是报错
print $levelMap{$1};
提示Use of uninitialized value in print ....
请问是怎么回事?谢谢!
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