ruby-on-rails – rails,当渲染部分时,每个渲染输出在日志中.这

发布时间：2020-12-17 03:13:10 所属栏目：百科来源：网络整理

导读：例如,如果循环遍历@feed(呈现部分),则会在日志中看到以下内容： Rendered feeds/_feed_item.html.erb (2.5ms)Rendered feeds/_feed_item.html.erb (1.4ms)Rendered feeds/_feed_item.html.erb (1.3ms)Rendered feeds/_feed_item.html.erb (1.3ms)Rendered fe

例如,如果循环遍历@feed(呈现部分),则会在日志中看到以下内容：

Rendered feeds/_feed_item.html.erb (2.5ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (1.6ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (2.8ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (2.5ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.8ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (1.6ms)
Rendered feeds/_feed_item.html.erb (1.3ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.2ms)
Rendered feeds/_feed_item.html.erb (1.4ms)
Rendered feeds/_feed_item.html.erb (1.5ms)
Rendered feeds/_feed_item.html.erb (1.6ms)

这是一个性能打击？有没有更好的方法来处理这个,所以它不会每次都输出？

谢谢

解决方法

是的,这是一个性能打击.渲染一个集合.

（编辑：李大同）

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