https://ruby-china.org/zhuqunwei en-us <p>后台做上传图片功能时出现这种报错</p> <p>涉及代码 model： include Uploaders::CoverUploader[:cover]</p> <pre class="highlight ruby"><code><span class="o">&lt;</span><span class="n">div</span> <span class="k">class</span><span class="o">=</span><span class="s2">"form-group row &lt;%= form.object.errors.include?(:cover) ? 'has-danger' : '' %&gt;"</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="n">label</span> <span class="k">class</span><span class="o">=</span><span class="s2">"col-md-2 form-control-label"</span> <span class="k">for</span><span class="o">=</span><span class="s2">"hf-email"</span><span class="o">&gt;</span> <span class="n">文章图片</span> <span class="o">&lt;</span><span class="sr">/label&gt; &lt;upload-image default-image-uri="&lt;%= form.object.cover_url(:original) if form.object.cover.present? %&gt;" name="carousel[cover]" id="carousel_cover"&gt;&lt;/u</span><span class="n">pload</span><span class="o">-</span><span class="n">image</span><span class="o">&gt;</span> <span class="o">&lt;</span><span class="sr">/div&gt; </span></code></pre> <p>请教这类问题怎么处理？</p> zhuqunwei Thu, 23 May 2019 17:56:56 +0800 https://ruby-china.org/topics/38566 https://ruby-china.org/topics/38566 <p>修改了 wx_api_key，然后重新部署，部署失败，报错 OpenSSL::PKCS12::PKCS12Error: PKCS12_parse: mac verify failure，求教这个问题怎么解决？</p> zhuqunwei Tue, 07 May 2019 16:43:33 +0800 https://ruby-china.org/topics/38486 https://ruby-china.org/topics/38486 <p>我想把 int 改为 bigint，这两种方式都可以吗？ 1 change_column :数据表，:字段，:integer, :limit =&gt; 8 2 change_column :数据表，:字段，:bigint 这两种方式有什么区别吗？ 感谢！！！！</p> zhuqunwei Thu, 10 Jan 2019 10:12:59 +0800 https://ruby-china.org/topics/37985 https://ruby-china.org/topics/37985