ruby - 我的Ruby编程代码有什么问题？

Question

该代码应该起作用。但是每次我在Ruby上打开它时，Ruby几乎都会立即关闭，因为它无法读取代码中的内容。因此，显然代码中存在错误，但我检查了所有内容，但似乎找不到。我需要一些帮助来使此代码正常工作。提前谢谢你!

puts 'Enter the number of the current month using the 12 months per year scale. Ex. January would be 1, February would be 2, March would be 3, etc...'
month=gets.chomp
case month
when '1'..'3'
fee='$45'
when'4'..'5'
fee='$55'
when'7'..'8'
fee='$65'
else
fee='$0.00'
end
puts'The fee to apply for the competition is ' + fee + '.00 when you apply on the date of today, ' + Time.now.to_s +'.'
puts 'If your fee came up as $0.00, then that is because the competition has ended. But do not worry, there is always next year!'
sleep 20

Answer 1

这是Ruby告诉我的语法错误是:

temp.rb:13: syntax error, unexpected tUPLUS, expecting $end
... of today, ' + Time.now.to_s +'.'

在 +和 '.'之间添加空格可修复语法错误。

您可以通过从命令行运行Ruby自己解决这个问题。我认为您正在运行Windows。要进入命令提示符，可以按Windows键和R键打开运行对话框。在这里，您可以输入 cmd并按Enter打开命令提示符。然后，您可以使用 cd更改当前目录，并使用 ruby运行您的Ruby脚本(假设Ruby在 PATH中)。您的 session 可能如下所示:

C:\Documents and Settings\Madelyn Grewal> cd Desktop

C:\Documents and Settings\Madelyn Grewal\Desktop> ruby myscript.rb
myscript.rb:13: syntax error, unexpected tUPLUS, expecting $end
... of today, ' + Time.now.to_s +'.'

C:\Documents and Settings\Madelyn Grewal\Desktop>