案例:AngularJS案例     状态:可编辑再运行    进入竖版
 运行结果 
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<script src="/js/angular.js1.4.6/angular.min.js"></script>
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</head>
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<body>
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<h2>验证实例</h2>
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<form ng-app="myApp" ng-controller="validateCtrl" 
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name="myForm" novalidate>
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<p>用户名:<br>
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<input type="text" name="user" ng-model="user" required>
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<span style="color:red" ng-show="myForm.user.$dirty && myForm.user.$invalid">
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<span ng-show="myForm.user.$error.required">用户名是必须的。</span>
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</span>
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</p>
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<p>邮箱:<br>
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<input type="email" name="email" ng-model="email" required>
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<span style="color:red" ng-show="myForm.email.$dirty && myForm.email.$invalid">
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<span ng-show="myForm.email.$error.required">邮箱是必须的。</span>
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<span ng-show="myForm.email.$error.email">非法的邮箱地址。</span>
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</span>
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</p>
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<p>
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<input type="submit"
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ng-disabled="myForm.user.$dirty && myForm.user.$invalid ||  
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myForm.email.$dirty && myForm.email.$invalid">
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</p>
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</form>
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<script>
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var app = angular.module('myApp', []);
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app.controller('validateCtrl', function($scope) {
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    $scope.user = 'John Doe';
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    $scope.email = 'john.doe@gmail.com';
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});
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</script>
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</body>
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</html>
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