搞定了，是一个低级错误，把%map的声明写到了子程序调用的下面 ，谢谢了。<br><br><div><span class="gmail_quote">2006/8/4, fayland <<a href="mailto:fayland@gmail.com">fayland@gmail.com</a>>:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
潘建锋 wrote:<br>> my %levelMap = (<br>> 'PS_INDETERMINATE' => 9,<br>> 'PS_CRITICAL' => 1,<br>> 'PS_MAJOR' => 2,<br>> 'PS_MINOR' => 3,<br>> 'PS_WARNING' => 4<br>> );<br>> $1 = 'PS_MINOR';
<br>> 但是下面的语句老是报错<br>> print $levelMap{$1};<br>> 提示Use of uninitialized value in print ....<br>> 请问是怎么回事?谢谢!<br><br>$a = 'PS_MINOR';<br><br>print $levelMap{$a};<br><br>$1 是给 Regex 用的。好象是只读的。<br><br>> ------------------------------------------------------------------------
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