1. ng-disabled
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<div ng-app="" ng-init="mySwitch=true"> <p> <button ng-disabled="mySwitch">点我!</button> </p> <p> <input type="checkbox" ng-model="mySwitch">按钮 </p> <p> {{ mySwitch }} </p> </div>
2. ng-show
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<div ng-app="" ng-init="hour=13"> <p ng-show="hour > 12">我是可见的。</p> </div>
3. ng-hide
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<div ng-app=""> <p ng-hide="true">我是不可见的。</p> <p ng-hide="false">我是可见的。</p> </div>