[英]Angular directive with ng-attr bound to model
我想將一個屬性雙重綁定到指令范圍,並從外部更改該屬性,它會更改指令內的某些內容。
<body ng-app="paneApp" ng-controller="AppCtrl">
<div class="btn-group">
<button type="button" class="btn btn-primary" ng-model="pane.a" btn-checkbox>A</button>
<button type="button" class="btn btn-primary" ng-model="pane.b" btn-checkbox>B</button>
<button type="button" class="btn btn-primary" ng-model="pane.c" btn-checkbox>C</button>
<button type="button" class="btn btn-primary" ng-model="pane.d" btn-checkbox>D</button>
</div>
Visible: {{pane.a}} {{pane.b}} {{pane.c}} {{pane.d}}
<pane-container>
<pane ng-attr-hidden="{{pane.a}}">A</pane>
<pane>B</pane>
<pane>C</pane>
<pane>D</pane>
</pane-container>
</body>
這里的錯誤是:
Error: [$parse:syntax] Syntax Error: Token 'pane.a' is unexpected, expecting [:] at column 3 of the expression [{{pane.a}}] starting at [pane.a}}].
如果沒有在attirbute中使用表達式,則所有表達式都按預期工作:
<pane ng-attr-hidden="{{pane.a}}">A</pane>
此示例按預期工作: 在plunker中預覽
我假設ng-attr-hidden
需要一個角度表達式,但是你給它一個對象定義。
嘗試刪除{{}}
<pane ng-attr-hidden="pane.a">A</pane>
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