anular前端表单验证

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<!--<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Document</title>-->

<script src="http://cdn.static.runoob.com/libs/angular.js/1.4.6/angular.min.js"></script>
</head>

<form ng-app="myApp" ng-controller="validateCtrl"
name="myForm" novalidate>

<p>用户名:<br>
<input type="text" name="user" ng-model="user" required>
<span style="color:red" ng-show="myForm.user.$dirty && myForm.user.$invalid">
<span ng-show="myForm.user.$error.required">用户名是必须的。</span>
</span>
</p>
<p>邮箱:<br>
<input type="email" name="email" ng-model="email" required>
<span style="color:red" ng-show="myForm.email.$dirty && myForm.email.$invalid">
<span ng-show="myForm.email.$error.required">邮箱是必须的。</span>
<span ng-show="myForm.email.$error.email">非法的邮箱地址。</span>
</span>
</p>
<p>
<input type="submit"
ng-disabled="myForm.user.$dirty && myForm.user.$invalid || 
myForm.email.$dirty && myForm.email.$invalid">
</p>
</form>
<script>
var app = angular.module('myApp', []);
app.controller('validateCtrl', function($scope) {
    $scope.user = 'John Doe';
    $scope.email = 'john.doe@gmail.com';
});
</script>
</body>
</html>-->


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