https://ruby-china.org/angusouyang en-us <pre class="highlight ruby"><code><span class="k">class</span> <span class="nc">Cat</span> <span class="k">def</span> <span class="nf">initialize</span><span class="p">(</span><span class="nb">name</span><span class="p">)</span> <span class="vi">@name</span> <span class="o">=</span> <span class="nb">name</span> <span class="k">end</span> <span class="k">def</span> <span class="nf">whatthehell</span><span class="p">()</span> <span class="nb">puts</span> <span class="s1">'haaa'</span> <span class="k">end</span> <span class="k">end</span> <span class="n">cat</span> <span class="o">=</span> <span class="no">Cat</span><span class="p">.</span><span class="nf">new</span><span class="p">(</span><span class="s1">'Kitty'</span><span class="p">)</span> <span class="nb">puts</span> <span class="n">cat</span><span class="p">.</span><span class="nf">whatthehell</span> <span class="nb">puts</span> <span class="n">cat</span><span class="p">.</span><span class="nf">name</span> </code></pre> <p>错误信息：test.rb:13:in <code>&lt;main&gt;': undefined method</code>name' for # (NoMethodError)</p> <p>＝ ＝请问这是什么回事呢？？想不出来</p> angusouyang Tue, 22 Jul 2014 20:29:29 +0800 https://ruby-china.org/topics/20626 https://ruby-china.org/topics/20626