源代码 ：
点击运行
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <script src="https://cdn.staticfile.org/angular.js/1.4.6/angular.min.js"></script> </head> <body ng-app=""> <form> 选择一个选项: <select ng-model="myVar"> <option value=""> <option value="dogs">Dogs <option value="tuts">Tutorials <option value="cars">Cars </select> </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 指令根据下拉菜单的选择结果显示或隐藏 HTML 区域。</p> </body> </html>
运行结果