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etpl里解析参数不支持表达式 #74

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anyexinglu opened this issue Jan 16, 2017 · 1 comment

anyexinglu commented Jan 16, 2017

似乎只能用var，感到很不方便…

anyexinglu changed the title ~~etpl里渲染参数不支持表达式~~ etpl里解析参数不支持表达式

wslx520 commented Feb 10, 2017

嗯，这个问题一直存在。在es6推出了模板字符串后，这问题就表现得更扎眼了，因为模板字符串中经常这么干：here is the result ${a+b}，而在etpl中这样就不能用了。感觉反差太明显

看了etpl的源码后发现，etpl用 ${user.name}来输出变量时，需要做一系列处理，要防止 undefined 被拼入结果，最终编译后${user.name}会变成 getVariable('user', 'name')。这也导致要实现你说的功能变得很麻烦

就看etpl的构建人如何改进了，否则的确只能使用 var

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