混合JavaScript和剃刀语法 [英] Mixing JavaScript and Razor syntax

问题描述

我一直在寻找如何剃刀和JavaScript混合在一起。我发现是这样的：

I was looking for how to mix razor and JavaScript together. I found something like this:

<script type="text/javascript">
var currentUser = null;
@if (User.Identity.IsAuthenticated) {
    <text>
        currentUser = '@User.Identity.Name';
    </text>
}
</script>

为什么叫变量的currentUser 包围＆LT;文本＆GT;＆LT; /文本＆GT; 标记？什么是＆LT的含义;文字和GT; 标记？如果我们忽略的文本标签，然后任何错误发生的？

Why is the variable called currentUser surrounded with <text></text> tag? What is the meaning of <text> tag? If we omit that text tag then any error occur?

推荐答案

究其原因＆LT;文本＆GT; ...＆LT; /文本＆GT; 标签是解决问题的出现的作为两种语言混合在一起，在许多情况下，语义上相同的结果歧义。

The reason for the <text>…</text> tags is to solve the issue of ambiguities that arise as a result of your mixing two languages together that are semantically identical in many cases.

如果你是if语句的语法剃刀的C＃中指定的动态Java脚本逻辑，你有Java脚本如果这些块语句，如何将它区分两者之间的范围内？

If you were to specify dynamic java script logic within the Razor syntax's C# if statements, and you had java script if statements in those blocks, how would it differentiate the context between the two?

问题是：它不能;赔率是，程序员可以没有。在＆LT;文本＆GT; ...＆LT; /文本＆GT; 标记是一个特殊的剃刀块（内C＃块只）风格的转义，说：这绝对是（可能）不C＃code，它是在此块。

The problem is: it can't; odds are, programmers can't either. The <text>…</text> tag is a special Razor block (inside C# blocks only) style escape that says: this is definitely (probably) not C# code that is in this block.

事情变得有点冒险，当你意识到，你可以添加的其他的逃脱＆LT内部;文本＆GT; ...＆LT; /文本＆GT; 块。任何事情一样，虽然你会谨慎使用。如果你遇到了不少麻烦混合两种并不能找出其中添加文本块，赔率是你不应该使用它（在生产中），直到你更好地理解它来。

Things get a bit dicey when you realize you can then add another escape inside the <text>…</text> block. Like anything though you would use it with caution. If you're having a lot of trouble mixing the two and can't figure out where to add your text blocks, odds are you shouldn't be using it (in production) until you understand it better.

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