单选框使用同一个 ng-model ,可以有不同的值,但只有被选中的单选按钮的值会被使用

2017-07-12 18:12:00
admin
原创
488
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script src="https://cdn.bootcss.com/angular.js/1.4.6/angular.min.js"></script>
</head>
<body ng-app="">

<form>
  选择一个选项:
  <input type="radio" ng-model="myVar" value="dogs">Dogs
  <input type="radio" ng-model="myVar" value="tuts">Tutorials
  <input type="radio" ng-model="myVar" value="cars">Cars
</form>

<div ng-switch="myVar">
  <div ng-switch-when="dogs">
     <h1>Dogs</h1>
     <p>Welcome to a world of dogs.</p>
  </div>
  <div ng-switch-when="tuts">
     <h1>Tutorials</h1>
     <p>Learn from examples.</p>
  </div>
  <div ng-switch-when="cars">
     <h1>Cars</h1>
     <p>Read about cars.</p>
  </div>
</div>

<p>ng-switch 指令根据单选按钮的选择结果显示或隐藏 HTML 区域。</p>

</body>
</html>
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