AngularJS前pression在NG-点击抛出一个语法错误 [英] AngularJS expression throwing a Syntax error in ng-click

问题描述

好吧，我工作的一个网站，用户可以在原岗位或任何随后的后留下评论的注释部分。要做到这一点渲染的angular.js，我有一些有趣的递归。

Ok, I am working on a comment section of a website where users can leave comment on the original post or any subsequent post. To accomplish this rendering in angular.js, I had some fun with recursion.

<script type="text/ng-template"  id="renderer.html">
   {{comment.userName+' - '+comment.commentText}}
   <br/><button class="standardButton">respond</button>

   <ul>
       <li ng-repeat="comment in comment.childComments | orderBy:'commentId'" ng-include="'renderer.html'"></li>
   </ul>
</script>

<ul>
    <li data-ng-repeat="comment in comments" data-ng-include="'renderer.html'"></li>
</ul>

这本身完美的作品。不过，我需要能够看到有关所单击按钮的数据。我更新了我的code这样：

This by itself works perfectly. However, I need to be able to see data about which button was clicked. I updated my code to this:

<script type="text/ng-template"  id="renderer.html">
{{comment.userName+' - '+comment.commentText}}
<br/><button class="standardButton" ng-click='alertMe({{comment.userName}})'>respond</button>

<ul>
    <li ng-repeat="comment in comment.childComments | orderBy:'commentId'" ng-include="'renderer.html'"></li>
</ul>

请注意添加了NG-点击。该alertMe方法与简单的字符串控制器成功进行了测试。它仅采用了棱角分明的前pressions时断裂。

Please notice the addition of the ng-click. The alertMe method was successfully tested in the controller with plain strings. It only breaks when using angular expressions.

我得到在控制台下面的错误加载的每一个意见：

I get the following error in the console for every comment loaded:

> Error: [$parse:syntax]
> http://errors.angularjs.org/1.2.15/$parse/syntax?p0=comment.userName&p1=is%20unexpected%2C%20expecting%20%5B%3A%5D&p2=11&p3=alertMe(%7B%7Bcomment.userName%7D%7D)&p4=comment.userName%7D%7D)
>     at Error (native)
>     at http://localhost:8080/Vail/jslib/angular.min.js:6:450
>     at Za.throwError (http://localhost:8080/Vail/jslib/angular.min.js:162:211)
>     at Za.consume (http://localhost:8080/Vail/jslib/angular.min.js:163:183)
>     at Za.object (http://localhost:8080/Vail/jslib/angular.min.js:170:340)
>     at Za.primary (http://localhost:8080/Vail/jslib/angular.min.js:161:358)
>     at Za.unary (http://localhost:8080/Vail/jslib/angular.min.js:168:73)
>     at Za.multiplicative (http://localhost:8080/Vail/jslib/angular.min.js:167:310)
>     at Za.additive (http://localhost:8080/Vail/jslib/angular.min.js:167:170)
>     at Za.relational (http://localhost:8080/Vail/jslib/angular.min.js:167:34) <button
> class="standardButton" ng-click="alertMe({{comment.userName}})">

角网站已经这样说的：

The angular site has this to say:

错误：$解析：语法语法错误语法错误：令牌
  comment.userName是列{2}的前pression的[{3}]启动
  在[{4}]。

Error: $parse:syntax Syntax Error Syntax Error: Token 'comment.userName' is at column {2} of the expression [{3}] starting at [{4}].

有谁知道是什么原因造成这个错误？任何及所有信息，大大AP preciated。

Does anybody know what is causing this error? Any and all information is greatly appreciated.

推荐答案

您不需要的 NG-点击 ，因为它期待一个的前pression 的，不是一个模板。违规行更改为：

You don't need brackets in ng-click, as it expects an expression, not a template. Change the offending line to:

<br/><button class="standardButton" ng-click='alertMe(comment.userName)'>respond</button>

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