保存之后按F5,并没有弹出网页,而是有一个信息,如下:
>ruby 1.rb
c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `gem_original_require': no such file to load -- watir (LoadError)
from c:/ruby/lib/ruby/site_ruby/1.8/rubygems/custom_require.rb:31:in `require'
from 1.rb:1
>Exit code: 1