AngularJS NG-包括嵌套层次 [英] AngularJS ng-include with nested hierarchy
问题描述
我有一个要求,以创建水平二叉树的结构,不像典型的嵌套< UL />
我看到使用纳克-repeat
指令。
I have a requirement to create a horizontal binary tree structure that's not like the typical nested <ul />
I see using the ng-repeat
directive.
我如何使用NG-包括,要么将它传递嵌套的对象或以某种方式得到我需要的嵌套的对象吗?
How do I use ng-include and either pass it nested objects or somehow get the nested objects that I need?
这里的code:
<div id="tree-container" ng-controller="CommentController">
<ul class="root-tree" id="current-tree">
<li class="root node">
<div class="feed">
<div class="comment">{{data.comment}}</div>
</div>
</li>
<li class="root-children">
<ul class="tree" ng-include="'tree'"></ul>
</li>
</ul>
</div>
<script>
app.controller("CommentController", ["$scope", function ($scope) {
$scope.data = {
comments: "blah",
leftChildren: {
comments: ["blah", "blah", "blah"],
leftChildren: { comments: ["blah", "blah", "blah"] },
rightChildren: { comments: ["blah", "blah", "blah"] }
},
rightChildren: { comments: ["blah", "blah", "blah"] }
};
)]);
</script>
<script type="text/ng-template" id="tree">
<li class="node">
<div class="feed">
<div class="comment" ng-repeat="comment in data.leftChildren">{{comment.comment}}</div>
</div>
</li>
<li class="node">
<div class="feed">
<div class="comment" ng-repeat="comment in data.rightChildren">{{comment.comment}}</div>
</div>
</li>
<li class="left-children">
<ul class="tree" ng-include="'tree'"></ul>
</li>
<li class="right-children">
<ul class="tree" ng-include="'tree'"></ul>
</li>
</script>
您可以在 #tree
模板看到我有2 NG-包括
指令。我想 $范围
给每个嵌套 NG-包括
来使用下一个级别的层次结构 $ scope.data code>,这将是
leftChildren
和 rightChildren
。
You can see in the #tree
template I have 2 ng-include
directives. I would like the $scope
for each nested ng-include
to use the next level down in the hierarchy on $scope.data
, which would be leftChildren
and rightChildren
.
在换句话说,我基本上要同样的效果 NG-重复
要求在 $范围嵌套阵列时,有
In other words I basically want the same effect ng-repeat
has when calling nested arrays in the $scope
.
希望这一切是有道理的:)
Hopefully this all makes sense :)
推荐答案
这让我了解情况之前想到了一点。该问题与对NG-包括和范围。如何发送不同的范围到每一个包括。我不能使它与onload事件,NG-INIT,NG-模型等工作...所以我想到了NG-重复这将创建一个新的子范围,这就是我们正在寻找在这里。
It made me think a little before understanding the situation. The problem is related to ng-include and the scope. How to "send" a different scope into each includes. I couldn't make it work with the onload, ng-init, ng-model etc... so I thought about ng-repeat which creates a new child scope which is what we are looking for here.
我创建了一个 Plunker 演示在这里。我不得不返工你的数据的构建方式,所以我希望你能应用这些修改。关键是要创造左右的孩子一个数组,并使用NG-重复创建一个子范围。现在,你甚至可以有2个以上分支机构。你还可以添加一个type属性,所以你知道哪个是左或右,等等。
I created a Plunker demo here. I had to rework the way your data is built, so I hope you can apply those modifications. The trick is to create an array for the left and right children and to use ng-repeat to create a child scope. Now, you could even have more than 2 branches. You could also add a type property so you know which is left or right, etc.
结果(链接图片):
JS (返工数据)
$scope.data = {
text: "blah",
comments: [
{
text: ["blahL11", "blahL12", "blahL13"],
comments: [
{
text: ["blahL111", "blahL112", "blahL113"]
},
{
text: ["blahR111", "blahR112", "blahR113"]
}
]
},
{
text: ["blahR11", "blahR12", "blahR13"]
}
]
};
HTML (根)
<ul>
<li>{{data.text}}</li>
<li ng-repeat="item in data.comments" ng-include="'tree.html'"></li>
</ul>
模板(儿童)
<div>Child</div>
<ul>
<li ng-repeat="text in item.text">{{text}}</li>
<li ng-repeat="item in item.comments" ng-include="'tree.html'"></li>
</ul>
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