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<DIV><FONT face=Verdana color=#0000ff size=2>hi,fayland~<BR>
改成:<BR>#!/usr/bin/perl</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Verdana color=#0000ff size=2>my $error =
&validate();</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Verdana color=#0000ff size=2>if (%$error)
{<BR> print 'error';<BR>} else {<BR> print
'ok';<BR>}</FONT></DIV>
<DIV> </DIV>
<DIV><FONT face=Verdana color=#0000ff size=2>sub validate
{<BR> my $error= { };<BR> return
$error;<BR>}<BR>如何?<BR>呵呵,昨天列表里比较热闹啊呵呵,可惜昨天我忙了一通宵PB课程设计,到今早4,5点才睡觉.</FONT></DIV>
<DIV><FONT face=Verdana size=2>验证码那个我很早以前也去 perl
的新闻组问过,没人给出解决方法呵呵,不过后来知道了有些简单的验证码,通过分析其源码,是有规律可寻的,不过加上变形,干扰色之后就复杂了...应该没有一个统一的解决方法吧?</FONT></DIV>
<DIV align=left>
<DIV align=left><FONT face=Verdana size=2>
<HR style="WIDTH: 122px; HEIGHT: 2px" SIZE=2>
</FONT></DIV>
<DIV><FONT color=#c0c0c0><FONT face=Verdana size=2>cnhacktnt</FONT></DIV>
<DIV><FONT face=Verdana size=2>2006-05-23</FONT></FONT></DIV></DIV>
<DIV><FONT face=Verdana size=2>
<HR>
</FONT></DIV>
<DIV><FONT face=Verdana><FONT size=2><STRONG>发件人：</STRONG>
fayland</FONT></FONT></DIV>
<DIV><FONT face=Verdana><FONT size=2><STRONG>发送时间：</STRONG>
2006-05-23 13:52:33</FONT></FONT></DIV>
<DIV><FONT face=Verdana><FONT size=2><STRONG>收件人：</STRONG>
China-pm@pm.org</FONT></FONT></DIV>
<DIV><FONT face=Verdana><FONT size=2><STRONG>抄送：</STRONG> </FONT></FONT></DIV>
<DIV><FONT face=Verdana><FONT size=2><STRONG>主题：</STRONG> [PerlChina] hashref
return stuff</FONT></FONT></DIV>
<DIV><FONT face=Verdana size=2></FONT> </DIV>
<DIV><FONT face=Verdana size=2>
<DIV>#!/usr/bin/perl</DIV>
<DIV> </DIV>
<DIV>my $error = &validate();</DIV>
<DIV> </DIV>
<DIV>if ($error) {</DIV>
<DIV> print 'error';</DIV>
<DIV>} else {</DIV>
<DIV> print 'ok';</DIV>
<DIV>}</DIV>
<DIV> </DIV>
<DIV>sub validate {</DIV>
<DIV> my $error = { };</DIV>
<DIV> return $error;</DIV>
<DIV>}</DIV>
<DIV> </DIV>
<DIV>会输出 error. 怎么写比较好？</DIV>
<DIV> </DIV>
<DIV>-- </DIV>
<DIV>Fayland Lam // <A
href="http://www.fayland.org/">http://www.fayland.org/</A> </DIV>
<DIV> </DIV>
<DIV>_______________________________________________</DIV>
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<DIV>China-pm@pm.org</DIV>
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