问个 tornado self.render 的问题。render 能否像 flask 的 return render_template() 那样直接返回，后面不执行了 - V2EX

问个 tornado self.render 的问题。render 能否像 flask 的 return render_template() 那样直接返回，后面不执行了 - V2EX

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代码如下：

像flask的return render_template() 那样的话，我就能少写个else了

刚试了下，貌似这样可以：

raise gen.Return(self.render("show.html", stars_url=stars_url, cities_url=cities_url, follows_url=follows_url))

大家都是咋写的呢

1 replies 2015-03-25 15:32:25 +08:00

1

kxxoling

Mar 25, 2015

1

定义一个继承 BaseHandler 的 Handler，在其中重写 get 方法，这样的话每个 HTTP 方法都需要重写一遍（用不着的话也可以不重写其它方法）；
或者写一个 render 返回值的装饰器，这样用起来会更简单；
如果你只是想少写一个 else 的话，在第一个 render 后面接上 return 就行了，强制方法结束。

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