https://ruby-china.org/wy406 en-us <p>有一个需求是这样的：本地可以访问 A 站点，A 站点能访问 B 服务器，B 服务器的一个链接要在本地打开的 A 站点的页面上打开。其中 B 服务器的链接是动态的，这样有什么好的解决方案吗？ </p> wy406 Tue, 05 Nov 2019 09:43:39 +0800 https://ruby-china.org/topics/39212 https://ruby-china.org/topics/39212 <pre class="highlight erb"><code>rails5.2.3 ruby2.5.1 </code></pre> <p>如下两行代码，第一行不能解析 redis.yml 中配置的&lt;%= ENV["REDIS_PASSWORD"] %&gt; 不是说 YMAL 中本身就执行了解析 erb 模板的操作了吗？</p> <pre class="highlight ruby"><code><span class="n">read_config</span> <span class="o">=</span> <span class="no">YAML</span><span class="p">.</span><span class="nf">load_file</span><span class="p">(</span><span class="s1">'config/redis.yml'</span><span class="p">)</span> <span class="c1">#不能解析</span> <span class="n">read_config</span> <span class="o">=</span> <span class="no">YAML</span><span class="o">::</span><span class="nb">load</span><span class="p">(</span><span class="no">ERB</span><span class="p">.</span><span class="nf">new</span><span class="p">(</span><span class="no">IO</span><span class="p">.</span><span class="nf">read</span><span class="p">(</span><span class="s1">'config/redis.yml'</span><span class="p">)).</span><span class="nf">result</span><span class="p">)</span> <span class="c1">#引入erb之后能解析了</span> </code></pre> wy406 Tue, 30 Apr 2019 09:23:53 +0800 https://ruby-china.org/topics/38466 https://ruby-china.org/topics/38466