https://ruby-china.org/sz en-us <p>最近一个项目，如果输入时间为空，则立即做一件事，否则到指定输入时间在做，输入的时间为字符串格式如</p> <pre class="highlight ruby"><code><span class="n">str1</span><span class="o">=</span><span class="mi">2017</span><span class="o">-</span><span class="mi">1</span><span class="o">-</span><span class="mi">2</span> <span class="mi">12</span><span class="p">:</span><span class="mi">12</span><span class="p">:</span><span class="mo">00</span> <span class="n">today</span> <span class="o">=</span> <span class="no">Time</span><span class="p">.</span><span class="nf">new</span><span class="p">;</span> <span class="n">str2</span><span class="o">=</span><span class="n">today</span><span class="p">.</span><span class="nf">strftime</span><span class="p">(</span><span class="s2">"%Y-%m-%d %H:%M:%S"</span><span class="p">)</span> <span class="k">if</span> <span class="n">str1</span><span class="o">==</span><span class="s2">""</span> <span class="k">do</span> <span class="n">nothing</span> <span class="k">else</span> <span class="n">str1</span><span class="o">==</span><span class="n">str2</span> <span class="c1"># do Something </span> <span class="k">end</span> </code></pre> <p>这个时间该如何比较啊，求大神指导</p> sz Mon, 08 May 2017 16:18:56 +0800 https://ruby-china.org/topics/32949 https://ruby-china.org/topics/32949